946 lines
		
	
	
		
			87 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			946 lines
		
	
	
		
			87 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| //lemon parser file to generate sql parse by using finite-state-machine code used to parse sql
 | |
| //usage: lemon sql.y
 | |
| 
 | |
| %token_prefix TK_
 | |
| %token_type { SToken }
 | |
| %default_type { SNode* }
 | |
| %default_destructor { nodesDestroyNode($$); }
 | |
| 
 | |
| %extra_argument { SAstCreateContext* pCxt }
 | |
| 
 | |
| %include {
 | |
| #include <stdio.h>
 | |
| #include <stdlib.h>
 | |
| #include <string.h>
 | |
| #include <assert.h>
 | |
| #include <stdbool.h>
 | |
| 
 | |
| #define ALLOW_FORBID_FUNC
 | |
| 
 | |
| #include "functionMgt.h"
 | |
| #include "nodes.h"
 | |
| #include "parToken.h"
 | |
| #include "ttokendef.h"
 | |
| #include "parAst.h"
 | |
| 
 | |
| #define YYSTACKDEPTH 0
 | |
| }
 | |
| 
 | |
| %syntax_error {
 | |
|   if (TSDB_CODE_SUCCESS == pCxt->errCode) {
 | |
|     if(TOKEN.z) {
 | |
|       pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, TOKEN.z);
 | |
|     } else {
 | |
|       pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INCOMPLETE_SQL);
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| %left OR.
 | |
| %left AND.
 | |
| %left UNION ALL MINUS EXCEPT INTERSECT.
 | |
| %left NK_BITAND NK_BITOR NK_LSHIFT NK_RSHIFT.
 | |
| %left NK_PLUS NK_MINUS.
 | |
| %left NK_STAR NK_SLASH NK_REM.
 | |
| %left NK_CONCAT.
 | |
| 
 | |
| /************************************************ create/alter account *****************************************/
 | |
| cmd ::= CREATE ACCOUNT NK_ID PASS NK_STRING account_options.                      { pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_EXPRIE_STATEMENT); }
 | |
| cmd ::= ALTER ACCOUNT NK_ID alter_account_options.                                { pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_EXPRIE_STATEMENT); }
 | |
| 
 | |
| %type account_options                                                             { int32_t }
 | |
| %destructor account_options                                                       { }
 | |
| account_options ::= .                                                             { }
 | |
| account_options ::= account_options PPS literal.                                  { }
 | |
| account_options ::= account_options TSERIES literal.                              { }
 | |
| account_options ::= account_options STORAGE literal.                              { }
 | |
| account_options ::= account_options STREAMS literal.                              { }
 | |
| account_options ::= account_options QTIME literal.                                { }
 | |
| account_options ::= account_options DBS literal.                                  { }
 | |
| account_options ::= account_options USERS literal.                                { }
 | |
| account_options ::= account_options CONNS literal.                                { }
 | |
| account_options ::= account_options STATE literal.                                { }
 | |
| 
 | |
| %type alter_account_options                                                       { int32_t }
 | |
| %destructor alter_account_options                                                 { }
 | |
| alter_account_options ::= alter_account_option.                                   { }
 | |
| alter_account_options ::= alter_account_options alter_account_option.             { }
 | |
| 
 | |
| %type alter_account_option                                                        { int32_t }
 | |
| %destructor alter_account_option                                                  { }
 | |
| alter_account_option ::= PASS literal.                                            { }
 | |
| alter_account_option ::= PPS literal.                                             { }
 | |
| alter_account_option ::= TSERIES literal.                                         { }
 | |
| alter_account_option ::= STORAGE literal.                                         { }
 | |
| alter_account_option ::= STREAMS literal.                                         { }
 | |
| alter_account_option ::= QTIME literal.                                           { }
 | |
| alter_account_option ::= DBS literal.                                             { }
 | |
| alter_account_option ::= USERS literal.                                           { }
 | |
| alter_account_option ::= CONNS literal.                                           { }
 | |
| alter_account_option ::= STATE literal.                                           { }
 | |
| 
 | |
| /************************************************ create/alter/drop user **********************************************/
 | |
| cmd ::= CREATE USER user_name(A) PASS NK_STRING(B).                               { pCxt->pRootNode = createCreateUserStmt(pCxt, &A, &B); }
 | |
| cmd ::= ALTER USER user_name(A) PASS NK_STRING(B).                                { pCxt->pRootNode = createAlterUserStmt(pCxt, &A, TSDB_ALTER_USER_PASSWD, &B); }
 | |
| cmd ::= ALTER USER user_name(A) PRIVILEGE NK_STRING(B).                           { pCxt->pRootNode = createAlterUserStmt(pCxt, &A, TSDB_ALTER_USER_PRIVILEGES, &B); }
 | |
| cmd ::= DROP USER user_name(A).                                                   { pCxt->pRootNode = createDropUserStmt(pCxt, &A); }
 | |
| 
 | |
| /************************************************ grant/revoke ********************************************************/
 | |
| cmd ::= GRANT privileges(A) ON priv_level(B) TO user_name(C).                     { pCxt->pRootNode = createGrantStmt(pCxt, A, &B, &C); }
 | |
| cmd ::= REVOKE privileges(A) ON priv_level(B) FROM user_name(C).                  { pCxt->pRootNode = createRevokeStmt(pCxt, A, &B, &C); }
 | |
| 
 | |
| %type privileges                                                                  { int64_t }
 | |
| %destructor privileges                                                            { }
 | |
| privileges(A) ::= ALL.                                                            { A = PRIVILEGE_TYPE_ALL; }
 | |
| privileges(A) ::= priv_type_list(B).                                              { A = B; }
 | |
| 
 | |
| %type priv_type_list                                                              { int64_t }
 | |
| %destructor priv_type_list                                                        { }
 | |
| priv_type_list(A) ::= priv_type(B).                                               { A = B; }
 | |
| priv_type_list(A) ::= priv_type_list(B) NK_COMMA priv_type(C).                    { A = B | C; }
 | |
| 
 | |
| %type priv_type                                                                   { int64_t }
 | |
| %destructor priv_type                                                             { }
 | |
| priv_type(A) ::= READ.                                                            { A = PRIVILEGE_TYPE_READ; }
 | |
| priv_type(A) ::= WRITE.                                                           { A = PRIVILEGE_TYPE_WRITE; }
 | |
| 
 | |
| %type priv_level                                                                  { SToken }
 | |
| %destructor priv_level                                                            { }
 | |
| priv_level(A) ::= NK_STAR(B) NK_DOT NK_STAR.                                      { A = B; }
 | |
| priv_level(A) ::= db_name(B) NK_DOT NK_STAR.                                      { A = B; }
 | |
| 
 | |
| /************************************************ create/drop/alter dnode *********************************************/
 | |
| cmd ::= CREATE DNODE dnode_endpoint(A).                                           { pCxt->pRootNode = createCreateDnodeStmt(pCxt, &A, NULL); }
 | |
| cmd ::= CREATE DNODE dnode_endpoint(A) PORT NK_INTEGER(B).                        { pCxt->pRootNode = createCreateDnodeStmt(pCxt, &A, &B); }
 | |
| cmd ::= DROP DNODE NK_INTEGER(A).                                                 { pCxt->pRootNode = createDropDnodeStmt(pCxt, &A); }
 | |
| cmd ::= DROP DNODE dnode_endpoint(A).                                             { pCxt->pRootNode = createDropDnodeStmt(pCxt, &A); }
 | |
| cmd ::= ALTER DNODE NK_INTEGER(A) NK_STRING(B).                                   { pCxt->pRootNode = createAlterDnodeStmt(pCxt, &A, &B, NULL); }
 | |
| cmd ::= ALTER DNODE NK_INTEGER(A) NK_STRING(B) NK_STRING(C).                      { pCxt->pRootNode = createAlterDnodeStmt(pCxt, &A, &B, &C); }
 | |
| cmd ::= ALTER ALL DNODES NK_STRING(A).                                            { pCxt->pRootNode = createAlterDnodeStmt(pCxt, NULL, &A, NULL); }
 | |
| cmd ::= ALTER ALL DNODES NK_STRING(A) NK_STRING(B).                               { pCxt->pRootNode = createAlterDnodeStmt(pCxt, NULL, &A, &B); }
 | |
| 
 | |
| %type dnode_endpoint                                                              { SToken }
 | |
| %destructor dnode_endpoint                                                        { }
 | |
| dnode_endpoint(A) ::= NK_STRING(B).                                               { A = B; }
 | |
| dnode_endpoint(A) ::= NK_ID(B).                                                   { A = B; }
 | |
| dnode_endpoint(A) ::= NK_IPTOKEN(B).                                              { A = B; }
 | |
| 
 | |
| /************************************************ alter local *********************************************************/
 | |
| cmd ::= ALTER LOCAL NK_STRING(A).                                                 { pCxt->pRootNode = createAlterLocalStmt(pCxt, &A, NULL); }
 | |
| cmd ::= ALTER LOCAL NK_STRING(A) NK_STRING(B).                                    { pCxt->pRootNode = createAlterLocalStmt(pCxt, &A, &B); }
 | |
| 
 | |
| /************************************************ create/drop qnode ***************************************************/
 | |
| cmd ::= CREATE QNODE ON DNODE NK_INTEGER(A).                                      { pCxt->pRootNode = createCreateComponentNodeStmt(pCxt, QUERY_NODE_CREATE_QNODE_STMT, &A); }
 | |
| cmd ::= DROP QNODE ON DNODE NK_INTEGER(A).                                        { pCxt->pRootNode = createDropComponentNodeStmt(pCxt, QUERY_NODE_DROP_QNODE_STMT, &A); }
 | |
| 
 | |
| /************************************************ create/drop bnode ***************************************************/
 | |
| cmd ::= CREATE BNODE ON DNODE NK_INTEGER(A).                                      { pCxt->pRootNode = createCreateComponentNodeStmt(pCxt, QUERY_NODE_CREATE_BNODE_STMT, &A); }
 | |
| cmd ::= DROP BNODE ON DNODE NK_INTEGER(A).                                        { pCxt->pRootNode = createDropComponentNodeStmt(pCxt, QUERY_NODE_DROP_BNODE_STMT, &A); }
 | |
| 
 | |
| /************************************************ create/drop snode ***************************************************/
 | |
| cmd ::= CREATE SNODE ON DNODE NK_INTEGER(A).                                      { pCxt->pRootNode = createCreateComponentNodeStmt(pCxt, QUERY_NODE_CREATE_SNODE_STMT, &A); }
 | |
| cmd ::= DROP SNODE ON DNODE NK_INTEGER(A).                                        { pCxt->pRootNode = createDropComponentNodeStmt(pCxt, QUERY_NODE_DROP_SNODE_STMT, &A); }
 | |
| 
 | |
| /************************************************ create/drop mnode ***************************************************/
 | |
| cmd ::= CREATE MNODE ON DNODE NK_INTEGER(A).                                      { pCxt->pRootNode = createCreateComponentNodeStmt(pCxt, QUERY_NODE_CREATE_MNODE_STMT, &A); }
 | |
| cmd ::= DROP MNODE ON DNODE NK_INTEGER(A).                                        { pCxt->pRootNode = createDropComponentNodeStmt(pCxt, QUERY_NODE_DROP_MNODE_STMT, &A); }
 | |
| 
 | |
| /************************************************ create/drop/use database ********************************************/
 | |
| cmd ::= CREATE DATABASE not_exists_opt(A) db_name(B) db_options(C).               { pCxt->pRootNode = createCreateDatabaseStmt(pCxt, A, &B, C); }
 | |
| cmd ::= DROP DATABASE exists_opt(A) db_name(B).                                   { pCxt->pRootNode = createDropDatabaseStmt(pCxt, A, &B); }
 | |
| cmd ::= USE db_name(A).                                                           { pCxt->pRootNode = createUseDatabaseStmt(pCxt, &A); }
 | |
| cmd ::= ALTER DATABASE db_name(A) alter_db_options(B).                            { pCxt->pRootNode = createAlterDatabaseStmt(pCxt, &A, B); }
 | |
| 
 | |
| %type not_exists_opt                                                              { bool }
 | |
| %destructor not_exists_opt                                                        { }
 | |
| not_exists_opt(A) ::= IF NOT EXISTS.                                              { A = true; }
 | |
| not_exists_opt(A) ::= .                                                           { A = false; }
 | |
| 
 | |
| %type exists_opt                                                                  { bool }
 | |
| %destructor exists_opt                                                            { }
 | |
| exists_opt(A) ::= IF EXISTS.                                                      { A = true; }
 | |
| exists_opt(A) ::= .                                                               { A = false; }
 | |
| 
 | |
| db_options(A) ::= .                                                               { A = createDefaultDatabaseOptions(pCxt); }
 | |
| db_options(A) ::= db_options(B) BUFFER NK_INTEGER(C).                             { A = setDatabaseOption(pCxt, B, DB_OPTION_BUFFER, &C); }
 | |
| db_options(A) ::= db_options(B) CACHELAST NK_INTEGER(C).                          { A = setDatabaseOption(pCxt, B, DB_OPTION_CACHELAST, &C); }
 | |
| db_options(A) ::= db_options(B) COMP NK_INTEGER(C).                               { A = setDatabaseOption(pCxt, B, DB_OPTION_COMP, &C); }
 | |
| db_options(A) ::= db_options(B) DURATION NK_INTEGER(C).                           { A = setDatabaseOption(pCxt, B, DB_OPTION_DAYS, &C); }
 | |
| db_options(A) ::= db_options(B) DURATION NK_VARIABLE(C).                          { A = setDatabaseOption(pCxt, B, DB_OPTION_DAYS, &C); }
 | |
| db_options(A) ::= db_options(B) FSYNC NK_INTEGER(C).                              { A = setDatabaseOption(pCxt, B, DB_OPTION_FSYNC, &C); }
 | |
| db_options(A) ::= db_options(B) MAXROWS NK_INTEGER(C).                            { A = setDatabaseOption(pCxt, B, DB_OPTION_MAXROWS, &C); }
 | |
| db_options(A) ::= db_options(B) MINROWS NK_INTEGER(C).                            { A = setDatabaseOption(pCxt, B, DB_OPTION_MINROWS, &C); }
 | |
| db_options(A) ::= db_options(B) KEEP integer_list(C).                             { A = setDatabaseOption(pCxt, B, DB_OPTION_KEEP, C); }
 | |
| db_options(A) ::= db_options(B) KEEP variable_list(C).                            { A = setDatabaseOption(pCxt, B, DB_OPTION_KEEP, C); }
 | |
| db_options(A) ::= db_options(B) PAGES NK_INTEGER(C).                              { A = setDatabaseOption(pCxt, B, DB_OPTION_PAGES, &C); }
 | |
| db_options(A) ::= db_options(B) PAGESIZE NK_INTEGER(C).                           { A = setDatabaseOption(pCxt, B, DB_OPTION_PAGESIZE, &C); }
 | |
| db_options(A) ::= db_options(B) PRECISION NK_STRING(C).                           { A = setDatabaseOption(pCxt, B, DB_OPTION_PRECISION, &C); }
 | |
| db_options(A) ::= db_options(B) REPLICA NK_INTEGER(C).                            { A = setDatabaseOption(pCxt, B, DB_OPTION_REPLICA, &C); }
 | |
| db_options(A) ::= db_options(B) STRICT NK_INTEGER(C).                             { A = setDatabaseOption(pCxt, B, DB_OPTION_STRICT, &C); }
 | |
| db_options(A) ::= db_options(B) WAL NK_INTEGER(C).                                { A = setDatabaseOption(pCxt, B, DB_OPTION_WAL, &C); }
 | |
| db_options(A) ::= db_options(B) VGROUPS NK_INTEGER(C).                            { A = setDatabaseOption(pCxt, B, DB_OPTION_VGROUPS, &C); }
 | |
| db_options(A) ::= db_options(B) SINGLE_STABLE NK_INTEGER(C).                      { A = setDatabaseOption(pCxt, B, DB_OPTION_SINGLE_STABLE, &C); }
 | |
| db_options(A) ::= db_options(B) RETENTIONS retention_list(C).                     { A = setDatabaseOption(pCxt, B, DB_OPTION_RETENTIONS, C); }
 | |
| db_options(A) ::= db_options(B) SCHEMALESS NK_INTEGER(C).                         { A = setDatabaseOption(pCxt, B, DB_OPTION_SCHEMALESS, &C); }
 | |
| 
 | |
| alter_db_options(A) ::= alter_db_option(B).                                       { A = createAlterDatabaseOptions(pCxt); A = setAlterDatabaseOption(pCxt, A, &B); }
 | |
| alter_db_options(A) ::= alter_db_options(B) alter_db_option(C).                   { A = setAlterDatabaseOption(pCxt, B, &C); }
 | |
| 
 | |
| %type alter_db_option                                                             { SAlterOption }
 | |
| %destructor alter_db_option                                                       { }
 | |
| alter_db_option(A) ::= BUFFER NK_INTEGER(B).                                      { A.type = DB_OPTION_BUFFER; A.val = B; }
 | |
| alter_db_option(A) ::= CACHELAST NK_INTEGER(B).                                   { A.type = DB_OPTION_CACHELAST; A.val = B; }
 | |
| alter_db_option(A) ::= FSYNC NK_INTEGER(B).                                       { A.type = DB_OPTION_FSYNC; A.val = B; }
 | |
| alter_db_option(A) ::= KEEP integer_list(B).                                      { A.type = DB_OPTION_KEEP; A.pList = B; }
 | |
| alter_db_option(A) ::= KEEP variable_list(B).                                     { A.type = DB_OPTION_KEEP; A.pList = B; }
 | |
| alter_db_option(A) ::= PAGES NK_INTEGER(B).                                       { A.type = DB_OPTION_PAGES; A.val = B; }
 | |
| alter_db_option(A) ::= REPLICA NK_INTEGER(B).                                     { A.type = DB_OPTION_REPLICA; A.val = B; }
 | |
| alter_db_option(A) ::= STRICT NK_INTEGER(B).                                      { A.type = DB_OPTION_STRICT; A.val = B; }
 | |
| alter_db_option(A) ::= WAL NK_INTEGER(B).                                         { A.type = DB_OPTION_WAL; A.val = B; }
 | |
| 
 | |
| %type integer_list                                                                { SNodeList* }
 | |
| %destructor integer_list                                                          { nodesDestroyList($$); }
 | |
| integer_list(A) ::= NK_INTEGER(B).                                                { A = createNodeList(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &B)); }
 | |
| integer_list(A) ::= integer_list(B) NK_COMMA NK_INTEGER(C).                       { A = addNodeToList(pCxt, B, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &C)); }
 | |
| 
 | |
| %type variable_list                                                               { SNodeList* }
 | |
| %destructor variable_list                                                         { nodesDestroyList($$); }
 | |
| variable_list(A) ::= NK_VARIABLE(B).                                              { A = createNodeList(pCxt, createDurationValueNode(pCxt, &B)); }
 | |
| variable_list(A) ::= variable_list(B) NK_COMMA NK_VARIABLE(C).                    { A = addNodeToList(pCxt, B, createDurationValueNode(pCxt, &C)); }
 | |
| 
 | |
| %type retention_list                                                              { SNodeList* }
 | |
| %destructor retention_list                                                        { nodesDestroyList($$); }
 | |
| retention_list(A) ::= retention(B).                                               { A = createNodeList(pCxt, B); }
 | |
| retention_list(A) ::= retention_list(B) NK_COMMA retention(C).                    { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| retention(A) ::= NK_VARIABLE(B) NK_COLON NK_VARIABLE(C).                          { A = createNodeListNodeEx(pCxt, createDurationValueNode(pCxt, &B), createDurationValueNode(pCxt, &C)); }
 | |
| 
 | |
| /************************************************ create/drop table/stable ********************************************/
 | |
| cmd ::= CREATE TABLE not_exists_opt(A) full_table_name(B)
 | |
|   NK_LP column_def_list(C) NK_RP tags_def_opt(D) table_options(E).                { pCxt->pRootNode = createCreateTableStmt(pCxt, A, B, C, D, E); }
 | |
| cmd ::= CREATE TABLE multi_create_clause(A).                                      { pCxt->pRootNode = createCreateMultiTableStmt(pCxt, A); }
 | |
| cmd ::= CREATE STABLE not_exists_opt(A) full_table_name(B)
 | |
|   NK_LP column_def_list(C) NK_RP tags_def(D) table_options(E).                    { pCxt->pRootNode = createCreateTableStmt(pCxt, A, B, C, D, E); }
 | |
| cmd ::= DROP TABLE multi_drop_clause(A).                                          { pCxt->pRootNode = createDropTableStmt(pCxt, A); }
 | |
| cmd ::= DROP STABLE exists_opt(A) full_table_name(B).                             { pCxt->pRootNode = createDropSuperTableStmt(pCxt, A, B); }
 | |
| 
 | |
| cmd ::= ALTER TABLE alter_table_clause(A).                                        { pCxt->pRootNode = A; }
 | |
| cmd ::= ALTER STABLE alter_table_clause(A).                                       { pCxt->pRootNode = A; }
 | |
| 
 | |
| alter_table_clause(A) ::= full_table_name(B) alter_table_options(C).              { A = createAlterTableModifyOptions(pCxt, B, C); }
 | |
| alter_table_clause(A) ::=
 | |
|   full_table_name(B) ADD COLUMN column_name(C) type_name(D).                      { A = createAlterTableAddModifyCol(pCxt, B, TSDB_ALTER_TABLE_ADD_COLUMN, &C, D); }
 | |
| alter_table_clause(A) ::= full_table_name(B) DROP COLUMN column_name(C).          { A = createAlterTableDropCol(pCxt, B, TSDB_ALTER_TABLE_DROP_COLUMN, &C); }
 | |
| alter_table_clause(A) ::=
 | |
|   full_table_name(B) MODIFY COLUMN column_name(C) type_name(D).                   { A = createAlterTableAddModifyCol(pCxt, B, TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES, &C, D); }
 | |
| alter_table_clause(A) ::=
 | |
|   full_table_name(B) RENAME COLUMN column_name(C) column_name(D).                 { A = createAlterTableRenameCol(pCxt, B, TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME, &C, &D); }
 | |
| alter_table_clause(A) ::=
 | |
|   full_table_name(B) ADD TAG column_name(C) type_name(D).                         { A = createAlterTableAddModifyCol(pCxt, B, TSDB_ALTER_TABLE_ADD_TAG, &C, D); }
 | |
| alter_table_clause(A) ::= full_table_name(B) DROP TAG column_name(C).             { A = createAlterTableDropCol(pCxt, B, TSDB_ALTER_TABLE_DROP_TAG, &C); }
 | |
| alter_table_clause(A) ::= 
 | |
|   full_table_name(B) MODIFY TAG column_name(C) type_name(D).                      { A = createAlterTableAddModifyCol(pCxt, B, TSDB_ALTER_TABLE_UPDATE_TAG_BYTES, &C, D); }
 | |
| alter_table_clause(A) ::= 
 | |
|   full_table_name(B) RENAME TAG column_name(C) column_name(D).                    { A = createAlterTableRenameCol(pCxt, B, TSDB_ALTER_TABLE_UPDATE_TAG_NAME, &C, &D); }
 | |
| alter_table_clause(A) ::=
 | |
|   full_table_name(B) SET TAG column_name(C) NK_EQ signed_literal(D).              { A = createAlterTableSetTag(pCxt, B, &C, D); }
 | |
| 
 | |
| %type multi_create_clause                                                         { SNodeList* }
 | |
| %destructor multi_create_clause                                                   { nodesDestroyList($$); }
 | |
| multi_create_clause(A) ::= create_subtable_clause(B).                             { A = createNodeList(pCxt, B); }
 | |
| multi_create_clause(A) ::= multi_create_clause(B) create_subtable_clause(C).      { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| create_subtable_clause(A) ::=
 | |
|   not_exists_opt(B) full_table_name(C) USING full_table_name(D)
 | |
|   specific_tags_opt(E) TAGS NK_LP literal_list(F) NK_RP table_options(G).         { A = createCreateSubTableClause(pCxt, B, C, D, E, F, G); }
 | |
| 
 | |
| %type multi_drop_clause                                                           { SNodeList* }
 | |
| %destructor multi_drop_clause                                                     { nodesDestroyList($$); }
 | |
| multi_drop_clause(A) ::= drop_table_clause(B).                                    { A = createNodeList(pCxt, B); }
 | |
| multi_drop_clause(A) ::= multi_drop_clause(B) drop_table_clause(C).               { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| drop_table_clause(A) ::= exists_opt(B) full_table_name(C).                        { A = createDropTableClause(pCxt, B, C); }
 | |
| 
 | |
| %type specific_tags_opt                                                           { SNodeList* }
 | |
| %destructor specific_tags_opt                                                     { nodesDestroyList($$); }
 | |
| specific_tags_opt(A) ::= .                                                        { A = NULL; }
 | |
| specific_tags_opt(A) ::= NK_LP col_name_list(B) NK_RP.                            { A = B; }
 | |
| 
 | |
| full_table_name(A) ::= table_name(B).                                             { A = createRealTableNode(pCxt, NULL, &B, NULL); }
 | |
| full_table_name(A) ::= db_name(B) NK_DOT table_name(C).                           { A = createRealTableNode(pCxt, &B, &C, NULL); }
 | |
| 
 | |
| %type column_def_list                                                             { SNodeList* }
 | |
| %destructor column_def_list                                                       { nodesDestroyList($$); }
 | |
| column_def_list(A) ::= column_def(B).                                             { A = createNodeList(pCxt, B); }
 | |
| column_def_list(A) ::= column_def_list(B) NK_COMMA column_def(C).                 { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| column_def(A) ::= column_name(B) type_name(C).                                    { A = createColumnDefNode(pCxt, &B, C, NULL); }
 | |
| column_def(A) ::= column_name(B) type_name(C) COMMENT NK_STRING(D).               { A = createColumnDefNode(pCxt, &B, C, &D); }
 | |
| 
 | |
| %type type_name                                                                   { SDataType }
 | |
| %destructor type_name                                                             { }
 | |
| type_name(A) ::= BOOL.                                                            { A = createDataType(TSDB_DATA_TYPE_BOOL); }
 | |
| type_name(A) ::= TINYINT.                                                         { A = createDataType(TSDB_DATA_TYPE_TINYINT); }
 | |
| type_name(A) ::= SMALLINT.                                                        { A = createDataType(TSDB_DATA_TYPE_SMALLINT); }
 | |
| type_name(A) ::= INT.                                                             { A = createDataType(TSDB_DATA_TYPE_INT); }
 | |
| type_name(A) ::= INTEGER.                                                         { A = createDataType(TSDB_DATA_TYPE_INT); }
 | |
| type_name(A) ::= BIGINT.                                                          { A = createDataType(TSDB_DATA_TYPE_BIGINT); }
 | |
| type_name(A) ::= FLOAT.                                                           { A = createDataType(TSDB_DATA_TYPE_FLOAT); }
 | |
| type_name(A) ::= DOUBLE.                                                          { A = createDataType(TSDB_DATA_TYPE_DOUBLE); }
 | |
| type_name(A) ::= BINARY NK_LP NK_INTEGER(B) NK_RP.                                { A = createVarLenDataType(TSDB_DATA_TYPE_BINARY, &B); }
 | |
| type_name(A) ::= TIMESTAMP.                                                       { A = createDataType(TSDB_DATA_TYPE_TIMESTAMP); }
 | |
| type_name(A) ::= NCHAR NK_LP NK_INTEGER(B) NK_RP.                                 { A = createVarLenDataType(TSDB_DATA_TYPE_NCHAR, &B); }
 | |
| type_name(A) ::= TINYINT UNSIGNED.                                                { A = createDataType(TSDB_DATA_TYPE_UTINYINT); }
 | |
| type_name(A) ::= SMALLINT UNSIGNED.                                               { A = createDataType(TSDB_DATA_TYPE_USMALLINT); }
 | |
| type_name(A) ::= INT UNSIGNED.                                                    { A = createDataType(TSDB_DATA_TYPE_UINT); }
 | |
| type_name(A) ::= BIGINT UNSIGNED.                                                 { A = createDataType(TSDB_DATA_TYPE_UBIGINT); }
 | |
| type_name(A) ::= JSON.                                                            { A = createDataType(TSDB_DATA_TYPE_JSON); }
 | |
| type_name(A) ::= VARCHAR NK_LP NK_INTEGER(B) NK_RP.                               { A = createVarLenDataType(TSDB_DATA_TYPE_VARCHAR, &B); }
 | |
| type_name(A) ::= MEDIUMBLOB.                                                      { A = createDataType(TSDB_DATA_TYPE_MEDIUMBLOB); }
 | |
| type_name(A) ::= BLOB.                                                            { A = createDataType(TSDB_DATA_TYPE_BLOB); }
 | |
| type_name(A) ::= VARBINARY NK_LP NK_INTEGER(B) NK_RP.                             { A = createVarLenDataType(TSDB_DATA_TYPE_VARBINARY, &B); }
 | |
| type_name(A) ::= DECIMAL.                                                         { A = createDataType(TSDB_DATA_TYPE_DECIMAL); }
 | |
| type_name(A) ::= DECIMAL NK_LP NK_INTEGER NK_RP.                                  { A = createDataType(TSDB_DATA_TYPE_DECIMAL); }
 | |
| type_name(A) ::= DECIMAL NK_LP NK_INTEGER NK_COMMA NK_INTEGER NK_RP.              { A = createDataType(TSDB_DATA_TYPE_DECIMAL); }
 | |
| 
 | |
| %type tags_def_opt                                                                { SNodeList* }
 | |
| %destructor tags_def_opt                                                          { nodesDestroyList($$); }
 | |
| tags_def_opt(A) ::= .                                                             { A = NULL; }
 | |
| tags_def_opt(A) ::= tags_def(B).                                                  { A = B; }
 | |
| 
 | |
| %type tags_def                                                                    { SNodeList* }
 | |
| %destructor tags_def                                                              { nodesDestroyList($$); }
 | |
| tags_def(A) ::= TAGS NK_LP column_def_list(B) NK_RP.                              { A = B; }
 | |
| 
 | |
| table_options(A) ::= .                                                            { A = createDefaultTableOptions(pCxt); }
 | |
| table_options(A) ::= table_options(B) COMMENT NK_STRING(C).                       { A = setTableOption(pCxt, B, TABLE_OPTION_COMMENT, &C); }
 | |
| table_options(A) ::= table_options(B) MAX_DELAY duration_list(C).                 { A = setTableOption(pCxt, B, TABLE_OPTION_MAXDELAY, C); }
 | |
| table_options(A) ::= table_options(B) WATERMARK duration_list(C).                 { A = setTableOption(pCxt, B, TABLE_OPTION_WATERMARK, C); }
 | |
| table_options(A) ::= table_options(B) ROLLUP NK_LP rollup_func_list(C) NK_RP.     { A = setTableOption(pCxt, B, TABLE_OPTION_ROLLUP, C); }
 | |
| table_options(A) ::= table_options(B) TTL NK_INTEGER(C).                          { A = setTableOption(pCxt, B, TABLE_OPTION_TTL, &C); }
 | |
| table_options(A) ::= table_options(B) SMA NK_LP col_name_list(C) NK_RP.           { A = setTableOption(pCxt, B, TABLE_OPTION_SMA, C); }
 | |
| 
 | |
| alter_table_options(A) ::= alter_table_option(B).                                 { A = createAlterTableOptions(pCxt); A = setTableOption(pCxt, A, B.type, &B.val); }
 | |
| alter_table_options(A) ::= alter_table_options(B) alter_table_option(C).          { A = setTableOption(pCxt, B, C.type, &C.val); }
 | |
| 
 | |
| %type alter_table_option                                                          { SAlterOption }
 | |
| %destructor alter_table_option                                                    { }
 | |
| alter_table_option(A) ::= COMMENT NK_STRING(B).                                   { A.type = TABLE_OPTION_COMMENT; A.val = B; }
 | |
| alter_table_option(A) ::= TTL NK_INTEGER(B).                                      { A.type = TABLE_OPTION_TTL; A.val = B; }
 | |
| 
 | |
| %type duration_list                                                               { SNodeList* }
 | |
| %destructor duration_list                                                         { nodesDestroyList($$); }
 | |
| duration_list(A) ::= duration_literal(B).                                         { A = createNodeList(pCxt, releaseRawExprNode(pCxt, B)); }
 | |
| duration_list(A) ::= duration_list(B) NK_COMMA duration_literal(C).               { A = addNodeToList(pCxt, B, releaseRawExprNode(pCxt, C)); }
 | |
| 
 | |
| %type rollup_func_list                                                            { SNodeList* }
 | |
| %destructor rollup_func_list                                                      { nodesDestroyList($$); }
 | |
| rollup_func_list(A) ::= rollup_func_name(B).                                      { A = createNodeList(pCxt, B); }
 | |
| rollup_func_list(A) ::= rollup_func_list(B) NK_COMMA rollup_func_name(C).         { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| rollup_func_name(A) ::= function_name(B).                                         { A = createFunctionNode(pCxt, &B, NULL); }
 | |
| rollup_func_name(A) ::= FIRST(B).                                                 { A = createFunctionNode(pCxt, &B, NULL); }
 | |
| rollup_func_name(A) ::= LAST(B).                                                  { A = createFunctionNode(pCxt, &B, NULL); }
 | |
| 
 | |
| %type col_name_list                                                               { SNodeList* }
 | |
| %destructor col_name_list                                                         { nodesDestroyList($$); }
 | |
| col_name_list(A) ::= col_name(B).                                                 { A = createNodeList(pCxt, B); }
 | |
| col_name_list(A) ::= col_name_list(B) NK_COMMA col_name(C).                       { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| col_name(A) ::= column_name(B).                                                   { A = createColumnNode(pCxt, NULL, &B); }
 | |
| 
 | |
| /************************************************ show ****************************************************************/
 | |
| cmd ::= SHOW DNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DNODES_STMT); }
 | |
| cmd ::= SHOW USERS.                                                               { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_USERS_STMT); }
 | |
| cmd ::= SHOW DATABASES.                                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_DATABASES_STMT); }
 | |
| cmd ::= SHOW db_name_cond_opt(A) TABLES like_pattern_opt(B).                      { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_TABLES_STMT, A, B, OP_TYPE_LIKE); }
 | |
| cmd ::= SHOW db_name_cond_opt(A) STABLES like_pattern_opt(B).                     { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_STABLES_STMT, A, B, OP_TYPE_LIKE); }
 | |
| cmd ::= SHOW db_name_cond_opt(A) VGROUPS.                                         { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_VGROUPS_STMT, A, NULL, OP_TYPE_LIKE); }
 | |
| cmd ::= SHOW MNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_MNODES_STMT); }
 | |
| cmd ::= SHOW MODULES.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_MODULES_STMT); }
 | |
| cmd ::= SHOW QNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_QNODES_STMT); }
 | |
| cmd ::= SHOW FUNCTIONS.                                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_FUNCTIONS_STMT); }
 | |
| cmd ::= SHOW INDEXES FROM table_name_cond(A) from_db_opt(B).                      { pCxt->pRootNode = createShowStmtWithCond(pCxt, QUERY_NODE_SHOW_INDEXES_STMT, B, A, OP_TYPE_EQUAL); }
 | |
| cmd ::= SHOW STREAMS.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_STREAMS_STMT); }
 | |
| cmd ::= SHOW ACCOUNTS.                                                            { pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_EXPRIE_STATEMENT); }
 | |
| cmd ::= SHOW APPS.                                                                { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_APPS_STMT); }
 | |
| cmd ::= SHOW CONNECTIONS.                                                         { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_CONNECTIONS_STMT); }
 | |
| cmd ::= SHOW LICENCE.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_LICENCE_STMT); }
 | |
| cmd ::= SHOW GRANTS.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_LICENCE_STMT); }
 | |
| cmd ::= SHOW CREATE DATABASE db_name(A).                                          { pCxt->pRootNode = createShowCreateDatabaseStmt(pCxt, &A); }
 | |
| cmd ::= SHOW CREATE TABLE full_table_name(A).                                     { pCxt->pRootNode = createShowCreateTableStmt(pCxt, QUERY_NODE_SHOW_CREATE_TABLE_STMT, A); }
 | |
| cmd ::= SHOW CREATE STABLE full_table_name(A).                                    { pCxt->pRootNode = createShowCreateTableStmt(pCxt, QUERY_NODE_SHOW_CREATE_STABLE_STMT, A); }
 | |
| cmd ::= SHOW QUERIES.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_QUERIES_STMT); }
 | |
| cmd ::= SHOW SCORES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_SCORES_STMT); }
 | |
| cmd ::= SHOW TOPICS.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TOPICS_STMT); }
 | |
| cmd ::= SHOW VARIABLES.                                                           { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_VARIABLES_STMT); }
 | |
| cmd ::= SHOW LOCAL VARIABLES.                                                     { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT); }
 | |
| cmd ::= SHOW DNODE NK_INTEGER(A) VARIABLES.                                       { pCxt->pRootNode = createShowDnodeVariablesStmt(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &A)); }
 | |
| cmd ::= SHOW BNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_BNODES_STMT); }
 | |
| cmd ::= SHOW SNODES.                                                              { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_SNODES_STMT); }
 | |
| cmd ::= SHOW CLUSTER.                                                             { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_CLUSTER_STMT); }
 | |
| cmd ::= SHOW TRANSACTIONS.                                                        { pCxt->pRootNode = createShowStmt(pCxt, QUERY_NODE_SHOW_TRANSACTIONS_STMT); }
 | |
| cmd ::= SHOW TABLE DISTRIBUTED full_table_name(A).                                { pCxt->pRootNode = createShowTableDistributedStmt(pCxt, A); }
 | |
| 
 | |
| db_name_cond_opt(A) ::= .                                                         { A = createDefaultDatabaseCondValue(pCxt); }
 | |
| db_name_cond_opt(A) ::= db_name(B) NK_DOT.                                        { A = createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B); }
 | |
| 
 | |
| like_pattern_opt(A) ::= .                                                         { A = NULL; }
 | |
| like_pattern_opt(A) ::= LIKE NK_STRING(B).                                        { A = createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B); }
 | |
| 
 | |
| table_name_cond(A) ::= table_name(B).                                             { A = createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B); }
 | |
| 
 | |
| from_db_opt(A) ::= .                                                              { A = createDefaultDatabaseCondValue(pCxt); }
 | |
| from_db_opt(A) ::= FROM db_name(B).                                               { A = createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B); }
 | |
| 
 | |
| /************************************************ create index ********************************************************/
 | |
| cmd ::= CREATE SMA INDEX not_exists_opt(D) 
 | |
|   index_name(A) ON table_name(B) index_options(C).                                { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_SMA, D, &A, &B, NULL, C); }
 | |
| cmd ::= CREATE FULLTEXT INDEX not_exists_opt(D)
 | |
|   index_name(A) ON table_name(B) NK_LP col_name_list(C) NK_RP.                    { pCxt->pRootNode = createCreateIndexStmt(pCxt, INDEX_TYPE_FULLTEXT, D, &A, &B, C, NULL); }
 | |
| cmd ::= DROP INDEX exists_opt(C) index_name(A) ON table_name(B).                  { pCxt->pRootNode = createDropIndexStmt(pCxt, C, &A, &B); }
 | |
| 
 | |
| index_options(A) ::= .                                                            { A = NULL; }
 | |
| index_options(A) ::= FUNCTION NK_LP func_list(B) NK_RP INTERVAL 
 | |
|   NK_LP duration_literal(C) NK_RP sliding_opt(D).                                 { A = createIndexOption(pCxt, B, releaseRawExprNode(pCxt, C), NULL, D); }
 | |
| index_options(A) ::= FUNCTION NK_LP func_list(B) NK_RP INTERVAL 
 | |
|   NK_LP duration_literal(C) NK_COMMA duration_literal(D) NK_RP sliding_opt(E).    { A = createIndexOption(pCxt, B, releaseRawExprNode(pCxt, C), releaseRawExprNode(pCxt, D), E); }
 | |
| 
 | |
| %type func_list                                                                   { SNodeList* }
 | |
| %destructor func_list                                                             { nodesDestroyList($$); }
 | |
| func_list(A) ::= func(B).                                                         { A = createNodeList(pCxt, B); }
 | |
| func_list(A) ::= func_list(B) NK_COMMA func(C).                                   { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| func(A) ::= function_name(B) NK_LP expression_list(C) NK_RP.                      { A = createFunctionNode(pCxt, &B, C); }
 | |
| 
 | |
| /************************************************ create/drop topic ***************************************************/
 | |
| cmd ::= CREATE TOPIC not_exists_opt(A) topic_name(B) AS query_expression(C).      { pCxt->pRootNode = createCreateTopicStmt(pCxt, A, &B, C, NULL, NULL); }
 | |
| cmd ::= CREATE TOPIC not_exists_opt(A) topic_name(B) AS DATABASE db_name(C).      { pCxt->pRootNode = createCreateTopicStmt(pCxt, A, &B, NULL, &C, NULL); }
 | |
| cmd ::= CREATE TOPIC not_exists_opt(A) topic_name(B)
 | |
|   AS STABLE full_table_name(C).                                                   { pCxt->pRootNode = createCreateTopicStmt(pCxt, A, &B, NULL, NULL, C); }
 | |
| cmd ::= DROP TOPIC exists_opt(A) topic_name(B).                                   { pCxt->pRootNode = createDropTopicStmt(pCxt, A, &B); }
 | |
| cmd ::= DROP CONSUMER GROUP exists_opt(A) cgroup_name(B) ON topic_name(C).        { pCxt->pRootNode = createDropCGroupStmt(pCxt, A, &B, &C); }
 | |
| 
 | |
| /************************************************ desc/describe *******************************************************/
 | |
| cmd ::= DESC full_table_name(A).                                                  { pCxt->pRootNode = createDescribeStmt(pCxt, A); }
 | |
| cmd ::= DESCRIBE full_table_name(A).                                              { pCxt->pRootNode = createDescribeStmt(pCxt, A); }
 | |
| 
 | |
| /************************************************ reset query cache ***************************************************/
 | |
| cmd ::= RESET QUERY CACHE.                                                        { pCxt->pRootNode = createResetQueryCacheStmt(pCxt); }
 | |
| 
 | |
| /************************************************ explain *************************************************************/
 | |
| cmd ::= EXPLAIN analyze_opt(A) explain_options(B) query_expression(C).            { pCxt->pRootNode = createExplainStmt(pCxt, A, B, C); }
 | |
| 
 | |
| %type analyze_opt                                                                 { bool }
 | |
| %destructor analyze_opt                                                           { }
 | |
| analyze_opt(A) ::= .                                                              { A = false; }
 | |
| analyze_opt(A) ::= ANALYZE.                                                       { A = true; }
 | |
| 
 | |
| explain_options(A) ::= .                                                          { A = createDefaultExplainOptions(pCxt); }
 | |
| explain_options(A) ::= explain_options(B) VERBOSE NK_BOOL(C).                     { A = setExplainVerbose(pCxt, B, &C); }
 | |
| explain_options(A) ::= explain_options(B) RATIO NK_FLOAT(C).                      { A = setExplainRatio(pCxt, B, &C); }
 | |
| 
 | |
| /************************************************ compact *************************************************************/
 | |
| cmd ::= COMPACT VNODES IN NK_LP integer_list(A) NK_RP.                            { pCxt->pRootNode = createCompactStmt(pCxt, A); }
 | |
| 
 | |
| /************************************************ create/drop function ************************************************/
 | |
| cmd ::= CREATE agg_func_opt(A) FUNCTION not_exists_opt(F) function_name(B) 
 | |
|   AS NK_STRING(C) OUTPUTTYPE type_name(D) bufsize_opt(E).                         { pCxt->pRootNode = createCreateFunctionStmt(pCxt, F, A, &B, &C, D, E); }
 | |
| cmd ::= DROP FUNCTION exists_opt(B) function_name(A).                             { pCxt->pRootNode = createDropFunctionStmt(pCxt, B, &A); }
 | |
| 
 | |
| %type agg_func_opt                                                                { bool }
 | |
| %destructor agg_func_opt                                                          { }
 | |
| agg_func_opt(A) ::= .                                                             { A = false; }
 | |
| agg_func_opt(A) ::= AGGREGATE.                                                    { A = true; }
 | |
| 
 | |
| %type bufsize_opt                                                                 { int32_t }
 | |
| %destructor bufsize_opt                                                           { }
 | |
| bufsize_opt(A) ::= .                                                              { A = 0; }
 | |
| bufsize_opt(A) ::= BUFSIZE NK_INTEGER(B).                                         { A = taosStr2Int32(B.z, NULL, 10); }
 | |
| 
 | |
| /************************************************ create/drop stream **************************************************/
 | |
| cmd ::= CREATE STREAM not_exists_opt(E) stream_name(A)
 | |
|   stream_options(B) into_opt(C) AS query_expression(D).                           { pCxt->pRootNode = createCreateStreamStmt(pCxt, E, &A, C, B, D); }
 | |
| cmd ::= DROP STREAM exists_opt(A) stream_name(B).                                 { pCxt->pRootNode = createDropStreamStmt(pCxt, A, &B); }
 | |
| 
 | |
| into_opt(A) ::= .                                                                 { A = NULL; }
 | |
| into_opt(A) ::= INTO full_table_name(B).                                          { A = B; }
 | |
| 
 | |
| stream_options(A) ::= .                                                           { A = createStreamOptions(pCxt); }
 | |
| stream_options(A) ::= stream_options(B) TRIGGER AT_ONCE.                          { ((SStreamOptions*)B)->triggerType = STREAM_TRIGGER_AT_ONCE; A = B; }
 | |
| stream_options(A) ::= stream_options(B) TRIGGER WINDOW_CLOSE.                     { ((SStreamOptions*)B)->triggerType = STREAM_TRIGGER_WINDOW_CLOSE; A = B; }
 | |
| stream_options(A) ::= stream_options(B) TRIGGER MAX_DELAY duration_literal(C).    { ((SStreamOptions*)B)->triggerType = STREAM_TRIGGER_MAX_DELAY; ((SStreamOptions*)B)->pDelay = releaseRawExprNode(pCxt, C); A = B; }
 | |
| stream_options(A) ::= stream_options(B) WATERMARK duration_literal(C).            { ((SStreamOptions*)B)->pWatermark = releaseRawExprNode(pCxt, C); A = B; }
 | |
| 
 | |
| /************************************************ kill connection/query ***********************************************/
 | |
| cmd ::= KILL CONNECTION NK_INTEGER(A).                                            { pCxt->pRootNode = createKillStmt(pCxt, QUERY_NODE_KILL_CONNECTION_STMT, &A); }
 | |
| cmd ::= KILL QUERY NK_STRING(A).                                                  { pCxt->pRootNode = createKillQueryStmt(pCxt, &A); }
 | |
| cmd ::= KILL TRANSACTION NK_INTEGER(A).                                           { pCxt->pRootNode = createKillStmt(pCxt, QUERY_NODE_KILL_TRANSACTION_STMT, &A); }
 | |
| 
 | |
| /************************************************ merge/redistribute/ vgroup ******************************************/
 | |
| cmd ::= BALANCE VGROUP.                                                           { pCxt->pRootNode = createBalanceVgroupStmt(pCxt); }
 | |
| cmd ::= MERGE VGROUP NK_INTEGER(A) NK_INTEGER(B).                                 { pCxt->pRootNode = createMergeVgroupStmt(pCxt, &A, &B); }
 | |
| cmd ::= REDISTRIBUTE VGROUP NK_INTEGER(A) dnode_list(B).                          { pCxt->pRootNode = createRedistributeVgroupStmt(pCxt, &A, B); }
 | |
| cmd ::= SPLIT VGROUP NK_INTEGER(A).                                               { pCxt->pRootNode = createSplitVgroupStmt(pCxt, &A); }
 | |
| 
 | |
| %type dnode_list                                                                  { SNodeList* }
 | |
| %destructor dnode_list                                                            { nodesDestroyList($$); }
 | |
| dnode_list(A) ::= DNODE NK_INTEGER(B).                                            { A = createNodeList(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &B)); }
 | |
| dnode_list(A) ::= dnode_list(B) DNODE NK_INTEGER(C).                              { A = addNodeToList(pCxt, B, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &C)); }
 | |
| 
 | |
| /************************************************ syncdb **************************************************************/
 | |
| cmd ::= SYNCDB db_name(A) REPLICA.                                                { pCxt->pRootNode = createSyncdbStmt(pCxt, &A); }
 | |
| 
 | |
| /************************************************ syncdb **************************************************************/
 | |
| cmd ::= DELETE FROM full_table_name(A) where_clause_opt(B).                       { pCxt->pRootNode = createDeleteStmt(pCxt, A, B); }
 | |
| 
 | |
| /************************************************ select **************************************************************/
 | |
| cmd ::= query_expression(A).                                                      { pCxt->pRootNode = A; }
 | |
| 
 | |
| /************************************************ literal *************************************************************/
 | |
| literal(A) ::= NK_INTEGER(B).                                                     { A = createRawExprNode(pCxt, &B, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &B)); }
 | |
| literal(A) ::= NK_FLOAT(B).                                                       { A = createRawExprNode(pCxt, &B, createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &B)); }
 | |
| literal(A) ::= NK_STRING(B).                                                      { A = createRawExprNode(pCxt, &B, createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B)); }
 | |
| literal(A) ::= NK_BOOL(B).                                                        { A = createRawExprNode(pCxt, &B, createValueNode(pCxt, TSDB_DATA_TYPE_BOOL, &B)); }
 | |
| literal(A) ::= TIMESTAMP(B) NK_STRING(C).                                         { A = createRawExprNodeExt(pCxt, &B, &C, createValueNode(pCxt, TSDB_DATA_TYPE_TIMESTAMP, &C)); }
 | |
| literal(A) ::= duration_literal(B).                                               { A = B; }
 | |
| literal(A) ::= NULL(B).                                                           { A = createRawExprNode(pCxt, &B, createValueNode(pCxt, TSDB_DATA_TYPE_NULL, &B)); }
 | |
| literal(A) ::= NK_QUESTION(B).                                                    { A = createRawExprNode(pCxt, &B, createPlaceholderValueNode(pCxt, &B)); }
 | |
| 
 | |
| duration_literal(A) ::= NK_VARIABLE(B).                                           { A = createRawExprNode(pCxt, &B, createDurationValueNode(pCxt, &B)); }
 | |
| 
 | |
| signed(A) ::= NK_INTEGER(B).                                                      { A = createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &B); }
 | |
| signed(A) ::= NK_PLUS NK_INTEGER(B).                                              { A = createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &B); }
 | |
| signed(A) ::= NK_MINUS(B) NK_INTEGER(C).                                          { 
 | |
|                                                                                     SToken t = B;
 | |
|                                                                                     t.n = (C.z + C.n) - B.z;
 | |
|                                                                                     A = createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &t);
 | |
|                                                                                   }
 | |
| signed(A) ::= NK_FLOAT(B).                                                        { A = createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &B); }
 | |
| signed(A) ::= NK_PLUS NK_FLOAT(B).                                                { A = createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &B); }
 | |
| signed(A) ::= NK_MINUS(B) NK_FLOAT(C).                                            { 
 | |
|                                                                                     SToken t = B;
 | |
|                                                                                     t.n = (C.z + C.n) - B.z;
 | |
|                                                                                     A = createValueNode(pCxt, TSDB_DATA_TYPE_DOUBLE, &t);
 | |
|                                                                                   }
 | |
| 
 | |
| signed_literal(A) ::= signed(B).                                                  { A = B; }
 | |
| signed_literal(A) ::= NK_STRING(B).                                               { A = createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B); }
 | |
| signed_literal(A) ::= NK_BOOL(B).                                                 { A = createValueNode(pCxt, TSDB_DATA_TYPE_BOOL, &B); }
 | |
| signed_literal(A) ::= TIMESTAMP NK_STRING(B).                                     { A = createValueNode(pCxt, TSDB_DATA_TYPE_TIMESTAMP, &B); }
 | |
| signed_literal(A) ::= duration_literal(B).                                        { A = releaseRawExprNode(pCxt, B); }
 | |
| signed_literal(A) ::= NULL(B).                                                    { A = createValueNode(pCxt, TSDB_DATA_TYPE_NULL, &B); }
 | |
| signed_literal(A) ::= literal_func(B).                                            { A = releaseRawExprNode(pCxt, B); }
 | |
| 
 | |
| %type literal_list                                                                { SNodeList* }
 | |
| %destructor literal_list                                                          { nodesDestroyList($$); }
 | |
| literal_list(A) ::= signed_literal(B).                                            { A = createNodeList(pCxt, B); }
 | |
| literal_list(A) ::= literal_list(B) NK_COMMA signed_literal(C).                   { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| /************************************************ names and identifiers ***********************************************/
 | |
| %type db_name                                                                     { SToken }
 | |
| %destructor db_name                                                               { }
 | |
| db_name(A) ::= NK_ID(B).                                                          { A = B; }
 | |
| 
 | |
| %type table_name                                                                  { SToken }
 | |
| %destructor table_name                                                            { }
 | |
| table_name(A) ::= NK_ID(B).                                                       { A = B; }
 | |
| 
 | |
| %type column_name                                                                 { SToken }
 | |
| %destructor column_name                                                           { }
 | |
| column_name(A) ::= NK_ID(B).                                                      { A = B; }
 | |
| 
 | |
| %type function_name                                                               { SToken }
 | |
| %destructor function_name                                                         { }
 | |
| function_name(A) ::= NK_ID(B).                                                    { A = B; }
 | |
| 
 | |
| %type table_alias                                                                 { SToken }
 | |
| %destructor table_alias                                                           { }
 | |
| table_alias(A) ::= NK_ID(B).                                                      { A = B; }
 | |
| 
 | |
| %type column_alias                                                                { SToken }
 | |
| %destructor column_alias                                                          { }
 | |
| column_alias(A) ::= NK_ID(B).                                                     { A = B; }
 | |
| 
 | |
| %type user_name                                                                   { SToken }
 | |
| %destructor user_name                                                             { }
 | |
| user_name(A) ::= NK_ID(B).                                                        { A = B; }
 | |
| 
 | |
| %type index_name                                                                  { SToken }
 | |
| %destructor index_name                                                            { }
 | |
| index_name(A) ::= NK_ID(B).                                                       { A = B; }
 | |
| 
 | |
| %type topic_name                                                                  { SToken }
 | |
| %destructor topic_name                                                            { }
 | |
| topic_name(A) ::= NK_ID(B).                                                       { A = B; }
 | |
| 
 | |
| %type stream_name                                                                 { SToken }
 | |
| %destructor stream_name                                                           { }
 | |
| stream_name(A) ::= NK_ID(B).                                                      { A = B; }
 | |
| 
 | |
| %type cgroup_name                                                                 { SToken }
 | |
| %destructor cgroup_name                                                           { }
 | |
| cgroup_name(A) ::= NK_ID(B).                                                      { A = B; }
 | |
| 
 | |
| /************************************************ expression **********************************************************/
 | |
| expression(A) ::= literal(B).                                                     { A = B; }
 | |
| expression(A) ::= pseudo_column(B).                                               { A = B; }
 | |
| expression(A) ::= column_reference(B).                                            { A = B; }
 | |
| expression(A) ::= function_expression(B).                                         { A = B; }
 | |
| //expression(A) ::= case_expression(B).                                             { A = B; }
 | |
| expression(A) ::= subquery(B).                                                    { A = B; }
 | |
| expression(A) ::= NK_LP(B) expression(C) NK_RP(D).                                { A = createRawExprNodeExt(pCxt, &B, &D, releaseRawExprNode(pCxt, C)); }
 | |
| expression(A) ::= NK_PLUS(B) expression(C).                                       {
 | |
|                                                                                     SToken t = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &B, &t, releaseRawExprNode(pCxt, C));
 | |
|                                                                                   }
 | |
| expression(A) ::= NK_MINUS(B) expression(C).                                      {
 | |
|                                                                                     SToken t = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &B, &t, createOperatorNode(pCxt, OP_TYPE_MINUS, releaseRawExprNode(pCxt, C), NULL));
 | |
|                                                                                   }
 | |
| expression(A) ::= expression(B) NK_PLUS expression(C).                            {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_ADD, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C))); 
 | |
|                                                                                   }
 | |
| expression(A) ::= expression(B) NK_MINUS expression(C).                           {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_SUB, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C))); 
 | |
|                                                                                   }
 | |
| expression(A) ::= expression(B) NK_STAR expression(C).                            {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_MULTI, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C))); 
 | |
|                                                                                   }
 | |
| expression(A) ::= expression(B) NK_SLASH expression(C).                           {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_DIV, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C))); 
 | |
|                                                                                   }
 | |
| expression(A) ::= expression(B) NK_REM expression(C).                             {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, OP_TYPE_REM, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C)));
 | |
|                                                                                   }
 | |
| expression(A) ::= column_reference(B) NK_ARROW NK_STRING(C).                      {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &C, createOperatorNode(pCxt, OP_TYPE_JSON_GET_VALUE, releaseRawExprNode(pCxt, B), createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &C))); 
 | |
|                                                                                   }
 | |
| 
 | |
| %type expression_list                                                             { SNodeList* }
 | |
| %destructor expression_list                                                       { nodesDestroyList($$); }
 | |
| expression_list(A) ::= expression(B).                                             { A = createNodeList(pCxt, releaseRawExprNode(pCxt, B)); }
 | |
| expression_list(A) ::= expression_list(B) NK_COMMA expression(C).                 { A = addNodeToList(pCxt, B, releaseRawExprNode(pCxt, C)); }
 | |
| 
 | |
| column_reference(A) ::= column_name(B).                                           { A = createRawExprNode(pCxt, &B, createColumnNode(pCxt, NULL, &B)); }
 | |
| column_reference(A) ::= table_name(B) NK_DOT column_name(C).                      { A = createRawExprNodeExt(pCxt, &B, &C, createColumnNode(pCxt, &B, &C)); }
 | |
| 
 | |
| pseudo_column(A) ::= ROWTS(B).                                                    { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= TBNAME(B).                                                   { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= table_name(B) NK_DOT TBNAME(C).                              { A = createRawExprNodeExt(pCxt, &B, &C, createFunctionNode(pCxt, &C, createNodeList(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BINARY, &B)))); }
 | |
| pseudo_column(A) ::= QSTARTTS(B).                                                 { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= QENDTS(B).                                                   { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= WSTARTTS(B).                                                 { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= WENDTS(B).                                                   { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| pseudo_column(A) ::= WDURATION(B).                                                { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| 
 | |
| function_expression(A) ::= function_name(B) NK_LP expression_list(C) NK_RP(D).    { A = createRawExprNodeExt(pCxt, &B, &D, createFunctionNode(pCxt, &B, C)); }
 | |
| function_expression(A) ::= star_func(B) NK_LP star_func_para_list(C) NK_RP(D).    { A = createRawExprNodeExt(pCxt, &B, &D, createFunctionNode(pCxt, &B, C)); }
 | |
| function_expression(A) ::= CAST(B) NK_LP expression(C) AS type_name(D) NK_RP(E).  { A = createRawExprNodeExt(pCxt, &B, &E, createCastFunctionNode(pCxt, releaseRawExprNode(pCxt, C), D)); }
 | |
| function_expression(A) ::= literal_func(B).                                       { A = B; }
 | |
| 
 | |
| literal_func(A) ::= noarg_func(B) NK_LP NK_RP(C).                                 { A = createRawExprNodeExt(pCxt, &B, &C, createFunctionNode(pCxt, &B, NULL)); }
 | |
| literal_func(A) ::= NOW(B).                                                       { A = createRawExprNode(pCxt, &B, createFunctionNode(pCxt, &B, NULL)); }
 | |
| 
 | |
| %type noarg_func                                                                  { SToken }
 | |
| %destructor noarg_func                                                            { }
 | |
| noarg_func(A) ::= NOW(B).                                                         { A = B; }
 | |
| noarg_func(A) ::= TODAY(B).                                                       { A = B; }
 | |
| noarg_func(A) ::= TIMEZONE(B).                                                    { A = B; }
 | |
| 
 | |
| %type star_func                                                                   { SToken }
 | |
| %destructor star_func                                                             { }
 | |
| star_func(A) ::= COUNT(B).                                                        { A = B; }
 | |
| star_func(A) ::= FIRST(B).                                                        { A = B; }
 | |
| star_func(A) ::= LAST(B).                                                         { A = B; }
 | |
| star_func(A) ::= LAST_ROW(B).                                                     { A = B; }
 | |
| 
 | |
| %type star_func_para_list                                                         { SNodeList* }
 | |
| %destructor star_func_para_list                                                   { nodesDestroyList($$); }
 | |
| star_func_para_list(A) ::= NK_STAR(B).                                            { A = createNodeList(pCxt, createColumnNode(pCxt, NULL, &B)); }
 | |
| star_func_para_list(A) ::= other_para_list(B).                                    { A = B; }
 | |
| 
 | |
| %type other_para_list                                                             { SNodeList* }
 | |
| %destructor other_para_list                                                       { nodesDestroyList($$); }
 | |
| other_para_list(A) ::= star_func_para(B).                                         { A = createNodeList(pCxt, B); }
 | |
| other_para_list(A) ::= other_para_list(B) NK_COMMA star_func_para(C).             { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| star_func_para(A) ::= expression(B).                                              { A = releaseRawExprNode(pCxt, B); }
 | |
| star_func_para(A) ::= table_name(B) NK_DOT NK_STAR(C).                            { A = createColumnNode(pCxt, &B, &C); }
 | |
| 
 | |
| /************************************************ predicate ***********************************************************/
 | |
| predicate(A) ::= expression(B) compare_op(C) expression(D).                       {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, D);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, C, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, D)));
 | |
|                                                                                   }
 | |
| //predicate(A) ::= expression(B) compare_op sub_type expression(B).
 | |
| predicate(A) ::= expression(B) BETWEEN expression(C) AND expression(D).           {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, D);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createBetweenAnd(pCxt, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C), releaseRawExprNode(pCxt, D)));
 | |
|                                                                                   }
 | |
| predicate(A) ::= expression(B) NOT BETWEEN expression(C) AND expression(D).       {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, D);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createNotBetweenAnd(pCxt, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C), releaseRawExprNode(pCxt, D)));
 | |
|                                                                                   }
 | |
| predicate(A) ::= expression(B) IS NULL(C).                                        {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &C, createOperatorNode(pCxt, OP_TYPE_IS_NULL, releaseRawExprNode(pCxt, B), NULL));
 | |
|                                                                                   }
 | |
| predicate(A) ::= expression(B) IS NOT NULL(C).                                    {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &C, createOperatorNode(pCxt, OP_TYPE_IS_NOT_NULL, releaseRawExprNode(pCxt, B), NULL));
 | |
|                                                                                   }
 | |
| predicate(A) ::= expression(B) in_op(C) in_predicate_value(D).                    {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, D);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createOperatorNode(pCxt, C, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, D)));
 | |
|                                                                                   }
 | |
| 
 | |
| %type compare_op                                                                  { EOperatorType }
 | |
| %destructor compare_op                                                            { }
 | |
| compare_op(A) ::= NK_LT.                                                          { A = OP_TYPE_LOWER_THAN; }
 | |
| compare_op(A) ::= NK_GT.                                                          { A = OP_TYPE_GREATER_THAN; }
 | |
| compare_op(A) ::= NK_LE.                                                          { A = OP_TYPE_LOWER_EQUAL; }
 | |
| compare_op(A) ::= NK_GE.                                                          { A = OP_TYPE_GREATER_EQUAL; }
 | |
| compare_op(A) ::= NK_NE.                                                          { A = OP_TYPE_NOT_EQUAL; }
 | |
| compare_op(A) ::= NK_EQ.                                                          { A = OP_TYPE_EQUAL; }
 | |
| compare_op(A) ::= LIKE.                                                           { A = OP_TYPE_LIKE; }
 | |
| compare_op(A) ::= NOT LIKE.                                                       { A = OP_TYPE_NOT_LIKE; }
 | |
| compare_op(A) ::= MATCH.                                                          { A = OP_TYPE_MATCH; }
 | |
| compare_op(A) ::= NMATCH.                                                         { A = OP_TYPE_NMATCH; }
 | |
| compare_op(A) ::= CONTAINS.                                                       { A = OP_TYPE_JSON_CONTAINS; }
 | |
| 
 | |
| %type in_op                                                                       { EOperatorType }
 | |
| %destructor in_op                                                                 { }
 | |
| in_op(A) ::= IN.                                                                  { A = OP_TYPE_IN; }
 | |
| in_op(A) ::= NOT IN.                                                              { A = OP_TYPE_NOT_IN; }
 | |
| 
 | |
| in_predicate_value(A) ::= NK_LP(C) expression_list(B) NK_RP(D).                   { A = createRawExprNodeExt(pCxt, &C, &D, createNodeListNode(pCxt, B)); }
 | |
| 
 | |
| /************************************************ boolean_value_expression ********************************************/
 | |
| boolean_value_expression(A) ::= boolean_primary(B).                               { A = B; }
 | |
| boolean_value_expression(A) ::= NOT(C) boolean_primary(B).                        {
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &C, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_NOT, releaseRawExprNode(pCxt, B), NULL));
 | |
|                                                                                   }
 | |
| boolean_value_expression(A) ::=
 | |
|   boolean_value_expression(B) OR boolean_value_expression(C).                     {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_OR, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C)));
 | |
|                                                                                   }
 | |
| boolean_value_expression(A) ::=
 | |
|   boolean_value_expression(B) AND boolean_value_expression(C).                    {
 | |
|                                                                                     SToken s = getTokenFromRawExprNode(pCxt, B);
 | |
|                                                                                     SToken e = getTokenFromRawExprNode(pCxt, C);
 | |
|                                                                                     A = createRawExprNodeExt(pCxt, &s, &e, createLogicConditionNode(pCxt, LOGIC_COND_TYPE_AND, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C)));
 | |
|                                                                                   }
 | |
| 
 | |
| boolean_primary(A) ::= predicate(B).                                              { A = B; }
 | |
| boolean_primary(A) ::= NK_LP(C) boolean_value_expression(B) NK_RP(D).             { A = createRawExprNodeExt(pCxt, &C, &D, releaseRawExprNode(pCxt, B)); }
 | |
| 
 | |
| /************************************************ common_expression ********************************************/
 | |
| common_expression(A) ::= expression(B).                                           { A = B; }
 | |
| common_expression(A) ::= boolean_value_expression(B).                             { A = B; }
 | |
| 
 | |
| /************************************************ from_clause *********************************************************/
 | |
| from_clause(A) ::= FROM table_reference_list(B).                                  { A = B; }
 | |
| 
 | |
| table_reference_list(A) ::= table_reference(B).                                   { A = B; }
 | |
| table_reference_list(A) ::= table_reference_list(B) NK_COMMA table_reference(C).  { A = createJoinTableNode(pCxt, JOIN_TYPE_INNER, B, C, NULL); }
 | |
| 
 | |
| /************************************************ table_reference *****************************************************/
 | |
| table_reference(A) ::= table_primary(B).                                          { A = B; }
 | |
| table_reference(A) ::= joined_table(B).                                           { A = B; }
 | |
| 
 | |
| table_primary(A) ::= table_name(B) alias_opt(C).                                  { A = createRealTableNode(pCxt, NULL, &B, &C); }
 | |
| table_primary(A) ::= db_name(B) NK_DOT table_name(C) alias_opt(D).                { A = createRealTableNode(pCxt, &B, &C, &D); }
 | |
| table_primary(A) ::= subquery(B) alias_opt(C).                                    { A = createTempTableNode(pCxt, releaseRawExprNode(pCxt, B), &C); }
 | |
| table_primary(A) ::= parenthesized_joined_table(B).                               { A = B; }
 | |
| 
 | |
| %type alias_opt                                                                   { SToken }
 | |
| %destructor alias_opt                                                             { }
 | |
| alias_opt(A) ::= .                                                                { A = nil_token;  }
 | |
| alias_opt(A) ::= table_alias(B).                                                  { A = B; }
 | |
| alias_opt(A) ::= AS table_alias(B).                                               { A = B; }
 | |
| 
 | |
| parenthesized_joined_table(A) ::= NK_LP joined_table(B) NK_RP.                    { A = B; }
 | |
| parenthesized_joined_table(A) ::= NK_LP parenthesized_joined_table(B) NK_RP.      { A = B; }
 | |
| 
 | |
| /************************************************ joined_table ********************************************************/
 | |
| joined_table(A) ::=
 | |
|   table_reference(B) join_type(C) JOIN table_reference(D) ON search_condition(E). { A = createJoinTableNode(pCxt, C, B, D, E); }
 | |
| 
 | |
| %type join_type                                                                   { EJoinType }
 | |
| %destructor join_type                                                             { }
 | |
| join_type(A) ::= .                                                                { A = JOIN_TYPE_INNER; }
 | |
| join_type(A) ::= INNER.                                                           { A = JOIN_TYPE_INNER; }
 | |
| 
 | |
| /************************************************ query_specification *************************************************/
 | |
| query_specification(A) ::=
 | |
|   SELECT set_quantifier_opt(B) select_list(C) from_clause(D) where_clause_opt(E) 
 | |
|     partition_by_clause_opt(F) range_opt(J) every_opt(K) fill_opt(L) twindow_clause_opt(G)
 | |
|     group_by_clause_opt(H) having_clause_opt(I).                                  { 
 | |
|                                                                                     A = createSelectStmt(pCxt, B, C, D);
 | |
|                                                                                     A = addWhereClause(pCxt, A, E);
 | |
|                                                                                     A = addPartitionByClause(pCxt, A, F);
 | |
|                                                                                     A = addWindowClauseClause(pCxt, A, G);
 | |
|                                                                                     A = addGroupByClause(pCxt, A, H);
 | |
|                                                                                     A = addHavingClause(pCxt, A, I);
 | |
|                                                                                     A = addRangeClause(pCxt, A, J);
 | |
|                                                                                     A = addEveryClause(pCxt, A, K);
 | |
|                                                                                     A = addFillClause(pCxt, A, L);
 | |
|                                                                                   }
 | |
| 
 | |
| %type set_quantifier_opt                                                          { bool }
 | |
| %destructor set_quantifier_opt                                                    { }
 | |
| set_quantifier_opt(A) ::= .                                                       { A = false; }
 | |
| set_quantifier_opt(A) ::= DISTINCT.                                               { A = true; }
 | |
| set_quantifier_opt(A) ::= ALL.                                                    { A = false; }
 | |
| 
 | |
| %type select_list                                                                 { SNodeList* }
 | |
| %destructor select_list                                                           { nodesDestroyList($$); }
 | |
| select_list(A) ::= NK_STAR.                                                       { A = NULL; }
 | |
| select_list(A) ::= select_sublist(B).                                             { A = B; }
 | |
| 
 | |
| %type select_sublist                                                              { SNodeList* }
 | |
| %destructor select_sublist                                                        { nodesDestroyList($$); }
 | |
| select_sublist(A) ::= select_item(B).                                             { A = createNodeList(pCxt, B); }
 | |
| select_sublist(A) ::= select_sublist(B) NK_COMMA select_item(C).                  { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| select_item(A) ::= common_expression(B).                                          { A = releaseRawExprNode(pCxt, B); }
 | |
| select_item(A) ::= common_expression(B) column_alias(C).                          { A = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, B), &C); }
 | |
| select_item(A) ::= common_expression(B) AS column_alias(C).                       { A = setProjectionAlias(pCxt, releaseRawExprNode(pCxt, B), &C); }
 | |
| select_item(A) ::= table_name(B) NK_DOT NK_STAR(C).                               { A = createColumnNode(pCxt, &B, &C); }
 | |
| 
 | |
| where_clause_opt(A) ::= .                                                         { A = NULL; }
 | |
| where_clause_opt(A) ::= WHERE search_condition(B).                                { A = B; }
 | |
| 
 | |
| %type partition_by_clause_opt                                                     { SNodeList* }
 | |
| %destructor partition_by_clause_opt                                               { nodesDestroyList($$); }
 | |
| partition_by_clause_opt(A) ::= .                                                  { A = NULL; }
 | |
| partition_by_clause_opt(A) ::= PARTITION BY expression_list(B).                   { A = B; }
 | |
| 
 | |
| twindow_clause_opt(A) ::= .                                                       { A = NULL; }
 | |
| twindow_clause_opt(A) ::=
 | |
|   SESSION NK_LP column_reference(B) NK_COMMA duration_literal(C) NK_RP.           { A = createSessionWindowNode(pCxt, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C)); }
 | |
| twindow_clause_opt(A) ::= STATE_WINDOW NK_LP expression(B) NK_RP.                 { A = createStateWindowNode(pCxt, releaseRawExprNode(pCxt, B)); }
 | |
| twindow_clause_opt(A) ::=
 | |
|   INTERVAL NK_LP duration_literal(B) NK_RP sliding_opt(C) fill_opt(D).            { A = createIntervalWindowNode(pCxt, releaseRawExprNode(pCxt, B), NULL, C, D); }
 | |
| twindow_clause_opt(A) ::=
 | |
|   INTERVAL NK_LP duration_literal(B) NK_COMMA duration_literal(C) NK_RP 
 | |
|   sliding_opt(D) fill_opt(E).                                                     { A = createIntervalWindowNode(pCxt, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C), D, E); }
 | |
| 
 | |
| sliding_opt(A) ::= .                                                              { A = NULL; }
 | |
| sliding_opt(A) ::= SLIDING NK_LP duration_literal(B) NK_RP.                       { A = releaseRawExprNode(pCxt, B); }
 | |
| 
 | |
| fill_opt(A) ::= .                                                                 { A = NULL; }
 | |
| fill_opt(A) ::= FILL NK_LP fill_mode(B) NK_RP.                                    { A = createFillNode(pCxt, B, NULL); }
 | |
| fill_opt(A) ::= FILL NK_LP VALUE NK_COMMA literal_list(B) NK_RP.                  { A = createFillNode(pCxt, FILL_MODE_VALUE, createNodeListNode(pCxt, B)); }  
 | |
| 
 | |
| %type fill_mode                                                                   { EFillMode }
 | |
| %destructor fill_mode                                                             { }
 | |
| fill_mode(A) ::= NONE.                                                            { A = FILL_MODE_NONE; }
 | |
| fill_mode(A) ::= PREV.                                                            { A = FILL_MODE_PREV; }
 | |
| fill_mode(A) ::= NULL.                                                            { A = FILL_MODE_NULL; }
 | |
| fill_mode(A) ::= LINEAR.                                                          { A = FILL_MODE_LINEAR; }
 | |
| fill_mode(A) ::= NEXT.                                                            { A = FILL_MODE_NEXT; }
 | |
| 
 | |
| %type group_by_clause_opt                                                         { SNodeList* }
 | |
| %destructor group_by_clause_opt                                                   { nodesDestroyList($$); }
 | |
| group_by_clause_opt(A) ::= .                                                      { A = NULL; }
 | |
| group_by_clause_opt(A) ::= GROUP BY group_by_list(B).                             { A = B; }
 | |
| 
 | |
| %type group_by_list                                                               { SNodeList* }
 | |
| %destructor group_by_list                                                         { nodesDestroyList($$); }
 | |
| group_by_list(A) ::= expression(B).                                               { A = createNodeList(pCxt, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, B))); }
 | |
| group_by_list(A) ::= group_by_list(B) NK_COMMA expression(C).                     { A = addNodeToList(pCxt, B, createGroupingSetNode(pCxt, releaseRawExprNode(pCxt, C))); }
 | |
| 
 | |
| having_clause_opt(A) ::= .                                                        { A = NULL; }
 | |
| having_clause_opt(A) ::= HAVING search_condition(B).                              { A = B; }
 | |
| 
 | |
| range_opt(A) ::= .                                                                { A = NULL; }
 | |
| range_opt(A) ::= RANGE NK_LP expression(B) NK_COMMA expression(C) NK_RP.          { A = createInterpTimeRange(pCxt, releaseRawExprNode(pCxt, B), releaseRawExprNode(pCxt, C)); }
 | |
| 
 | |
| every_opt(A) ::= .                                                                { A = NULL; }
 | |
| every_opt(A) ::= EVERY NK_LP duration_literal(B) NK_RP.                           { A = releaseRawExprNode(pCxt, B); }
 | |
| 
 | |
| /************************************************ query_expression ****************************************************/
 | |
| query_expression(A) ::= 
 | |
|   query_expression_body(B) 
 | |
|     order_by_clause_opt(C) slimit_clause_opt(D) limit_clause_opt(E).              { 
 | |
|                                                                                     A = addOrderByClause(pCxt, B, C);
 | |
|                                                                                     A = addSlimitClause(pCxt, A, D);
 | |
|                                                                                     A = addLimitClause(pCxt, A, E);
 | |
|                                                                                   }
 | |
| 
 | |
| query_expression_body(A) ::= query_primary(B).                                    { A = B; }
 | |
| query_expression_body(A) ::=
 | |
|   query_expression_body(B) UNION ALL query_expression_body(D).                    { A = createSetOperator(pCxt, SET_OP_TYPE_UNION_ALL, B, D); }
 | |
| query_expression_body(A) ::=
 | |
|   query_expression_body(B) UNION query_expression_body(D).                        { A = createSetOperator(pCxt, SET_OP_TYPE_UNION, B, D); }
 | |
| 
 | |
| query_primary(A) ::= query_specification(B).                                      { A = B; }
 | |
| query_primary(A) ::=
 | |
|   NK_LP query_expression_body(B) 
 | |
|     order_by_clause_opt slimit_clause_opt limit_clause_opt NK_RP.                 { A = B; }
 | |
| 
 | |
| %type order_by_clause_opt                                                         { SNodeList* }
 | |
| %destructor order_by_clause_opt                                                   { nodesDestroyList($$); }
 | |
| order_by_clause_opt(A) ::= .                                                      { A = NULL; }
 | |
| order_by_clause_opt(A) ::= ORDER BY sort_specification_list(B).                   { A = B; }
 | |
| 
 | |
| slimit_clause_opt(A) ::= .                                                        { A = NULL; }
 | |
| slimit_clause_opt(A) ::= SLIMIT NK_INTEGER(B).                                    { A = createLimitNode(pCxt, &B, NULL); }
 | |
| slimit_clause_opt(A) ::= SLIMIT NK_INTEGER(B) SOFFSET NK_INTEGER(C).              { A = createLimitNode(pCxt, &B, &C); }
 | |
| slimit_clause_opt(A) ::= SLIMIT NK_INTEGER(C) NK_COMMA NK_INTEGER(B).             { A = createLimitNode(pCxt, &B, &C); }
 | |
| 
 | |
| limit_clause_opt(A) ::= .                                                         { A = NULL; }
 | |
| limit_clause_opt(A) ::= LIMIT NK_INTEGER(B).                                      { A = createLimitNode(pCxt, &B, NULL); }
 | |
| limit_clause_opt(A) ::= LIMIT NK_INTEGER(B) OFFSET NK_INTEGER(C).                 { A = createLimitNode(pCxt, &B, &C); }
 | |
| limit_clause_opt(A) ::= LIMIT NK_INTEGER(C) NK_COMMA NK_INTEGER(B).               { A = createLimitNode(pCxt, &B, &C); }
 | |
| 
 | |
| /************************************************ subquery ************************************************************/
 | |
| subquery(A) ::= NK_LP(B) query_expression(C) NK_RP(D).                            { A = createRawExprNodeExt(pCxt, &B, &D, C); }
 | |
| 
 | |
| /************************************************ search_condition ****************************************************/
 | |
| search_condition(A) ::= common_expression(B).                                     { A = releaseRawExprNode(pCxt, B); }
 | |
| 
 | |
| /************************************************ sort_specification_list *********************************************/
 | |
| %type sort_specification_list                                                     { SNodeList* }
 | |
| %destructor sort_specification_list                                               { nodesDestroyList($$); }
 | |
| sort_specification_list(A) ::= sort_specification(B).                             { A = createNodeList(pCxt, B); }
 | |
| sort_specification_list(A) ::=
 | |
|   sort_specification_list(B) NK_COMMA sort_specification(C).                      { A = addNodeToList(pCxt, B, C); }
 | |
| 
 | |
| sort_specification(A) ::= 
 | |
|   expression(B) ordering_specification_opt(C) null_ordering_opt(D).               { A = createOrderByExprNode(pCxt, releaseRawExprNode(pCxt, B), C, D); }
 | |
| 
 | |
| %type ordering_specification_opt EOrder
 | |
| %destructor ordering_specification_opt                                            { }
 | |
| ordering_specification_opt(A) ::= .                                               { A = ORDER_ASC; }
 | |
| ordering_specification_opt(A) ::= ASC.                                            { A = ORDER_ASC; }
 | |
| ordering_specification_opt(A) ::= DESC.                                           { A = ORDER_DESC; }
 | |
| 
 | |
| %type null_ordering_opt ENullOrder
 | |
| %destructor null_ordering_opt                                                     { }
 | |
| null_ordering_opt(A) ::= .                                                        { A = NULL_ORDER_DEFAULT; }
 | |
| null_ordering_opt(A) ::= NULLS FIRST.                                             { A = NULL_ORDER_FIRST; }
 | |
| null_ordering_opt(A) ::= NULLS LAST.                                              { A = NULL_ORDER_LAST; }
 | |
| 
 | |
| %fallback ID NK_BITNOT INSERT VALUES IMPORT NK_SEMI FILE.
 |