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add cachelast db option

This commit is contained in:
dapan1121 2020-12-23 07:11:24 +00:00
parent 6ff69bf1b5
commit 1a709b5c0a
7 changed files with 1425 additions and 1422 deletions
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1
src/client/src/tscSQLParser.c
View File

@ -5442,6 +5442,7 @@ static void setCreateDBOption(SCreateDbMsg* pMsg, SCreateDBInfo* pCreateDb) {
pMsg->quorum = pCreateDb->quorum;
pMsg->ignoreExist = pCreateDb->ignoreExists;
pMsg->update = pCreateDb->update;
pMsg->cacheLastRow = pCreateDb->cachelast;
}
int32_t parseCreateDBOptions(SSqlCmd* pCmd, SCreateDBInfo* pCreateDbSql) {

217
src/inc/ttokendef.h
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@ -114,114 +114,115 @@
#define TK_COMP 96
#define TK_PRECISION 97
#define TK_UPDATE 98
#define TK_LP 99
#define TK_RP 100
#define TK_TAGS 101
#define TK_USING 102
#define TK_AS 103
#define TK_COMMA 104
#define TK_NULL 105
#define TK_SELECT 106
#define TK_UNION 107
#define TK_ALL 108
#define TK_FROM 109
#define TK_VARIABLE 110
#define TK_INTERVAL 111
#define TK_FILL 112
#define TK_SLIDING 113
#define TK_ORDER 114
#define TK_BY 115
#define TK_ASC 116
#define TK_DESC 117
#define TK_GROUP 118
#define TK_HAVING 119
#define TK_LIMIT 120
#define TK_OFFSET 121
#define TK_SLIMIT 122
#define TK_SOFFSET 123
#define TK_WHERE 124
#define TK_NOW 125
#define TK_RESET 126
#define TK_QUERY 127
#define TK_ADD 128
#define TK_COLUMN 129
#define TK_TAG 130
#define TK_CHANGE 131
#define TK_SET 132
#define TK_KILL 133
#define TK_CONNECTION 134
#define TK_STREAM 135
#define TK_COLON 136
#define TK_ABORT 137
#define TK_AFTER 138
#define TK_ATTACH 139
#define TK_BEFORE 140
#define TK_BEGIN 141
#define TK_CASCADE 142
#define TK_CLUSTER 143
#define TK_CONFLICT 144
#define TK_COPY 145
#define TK_DEFERRED 146
#define TK_DELIMITERS 147
#define TK_DETACH 148
#define TK_EACH 149
#define TK_END 150
#define TK_EXPLAIN 151
#define TK_FAIL 152
#define TK_FOR 153
#define TK_IGNORE 154
#define TK_IMMEDIATE 155
#define TK_INITIALLY 156
#define TK_INSTEAD 157
#define TK_MATCH 158
#define TK_KEY 159
#define TK_OF 160
#define TK_RAISE 161
#define TK_REPLACE 162
#define TK_RESTRICT 163
#define TK_ROW 164
#define TK_STATEMENT 165
#define TK_TRIGGER 166
#define TK_VIEW 167
#define TK_COUNT 168
#define TK_SUM 169
#define TK_AVG 170
#define TK_MIN 171
#define TK_MAX 172
#define TK_FIRST 173
#define TK_LAST 174
#define TK_TOP 175
#define TK_BOTTOM 176
#define TK_STDDEV 177
#define TK_PERCENTILE 178
#define TK_APERCENTILE 179
#define TK_LEASTSQUARES 180
#define TK_HISTOGRAM 181
#define TK_DIFF 182
#define TK_SPREAD 183
#define TK_TWA 184
#define TK_INTERP 185
#define TK_LAST_ROW 186
#define TK_RATE 187
#define TK_IRATE 188
#define TK_SUM_RATE 189
#define TK_SUM_IRATE 190
#define TK_AVG_RATE 191
#define TK_AVG_IRATE 192
#define TK_TBID 193
#define TK_SEMI 194
#define TK_NONE 195
#define TK_PREV 196
#define TK_LINEAR 197
#define TK_IMPORT 198
#define TK_METRIC 199
#define TK_TBNAME 200
#define TK_JOIN 201
#define TK_METRICS 202
#define TK_STABLE 203
#define TK_INSERT 204
#define TK_INTO 205
#define TK_VALUES 206
#define TK_CACHELAST 99
#define TK_LP 100
#define TK_RP 101
#define TK_TAGS 102
#define TK_USING 103
#define TK_AS 104
#define TK_COMMA 105
#define TK_NULL 106
#define TK_SELECT 107
#define TK_UNION 108
#define TK_ALL 109
#define TK_FROM 110
#define TK_VARIABLE 111
#define TK_INTERVAL 112
#define TK_FILL 113
#define TK_SLIDING 114
#define TK_ORDER 115
#define TK_BY 116
#define TK_ASC 117
#define TK_DESC 118
#define TK_GROUP 119
#define TK_HAVING 120
#define TK_LIMIT 121
#define TK_OFFSET 122
#define TK_SLIMIT 123
#define TK_SOFFSET 124
#define TK_WHERE 125
#define TK_NOW 126
#define TK_RESET 127
#define TK_QUERY 128
#define TK_ADD 129
#define TK_COLUMN 130
#define TK_TAG 131
#define TK_CHANGE 132
#define TK_SET 133
#define TK_KILL 134
#define TK_CONNECTION 135
#define TK_STREAM 136
#define TK_COLON 137
#define TK_ABORT 138
#define TK_AFTER 139
#define TK_ATTACH 140
#define TK_BEFORE 141
#define TK_BEGIN 142
#define TK_CASCADE 143
#define TK_CLUSTER 144
#define TK_CONFLICT 145
#define TK_COPY 146
#define TK_DEFERRED 147
#define TK_DELIMITERS 148
#define TK_DETACH 149
#define TK_EACH 150
#define TK_END 151
#define TK_EXPLAIN 152
#define TK_FAIL 153
#define TK_FOR 154
#define TK_IGNORE 155
#define TK_IMMEDIATE 156
#define TK_INITIALLY 157
#define TK_INSTEAD 158
#define TK_MATCH 159
#define TK_KEY 160
#define TK_OF 161
#define TK_RAISE 162
#define TK_REPLACE 163
#define TK_RESTRICT 164
#define TK_ROW 165
#define TK_STATEMENT 166
#define TK_TRIGGER 167
#define TK_VIEW 168
#define TK_COUNT 169
#define TK_SUM 170
#define TK_AVG 171
#define TK_MIN 172
#define TK_MAX 173
#define TK_FIRST 174
#define TK_LAST 175
#define TK_TOP 176
#define TK_BOTTOM 177
#define TK_STDDEV 178
#define TK_PERCENTILE 179
#define TK_APERCENTILE 180
#define TK_LEASTSQUARES 181
#define TK_HISTOGRAM 182
#define TK_DIFF 183
#define TK_SPREAD 184
#define TK_TWA 185
#define TK_INTERP 186
#define TK_LAST_ROW 187
#define TK_RATE 188
#define TK_IRATE 189
#define TK_SUM_RATE 190
#define TK_SUM_IRATE 191
#define TK_AVG_RATE 192
#define TK_AVG_IRATE 193
#define TK_TBID 194
#define TK_SEMI 195
#define TK_NONE 196
#define TK_PREV 197
#define TK_LINEAR 198
#define TK_IMPORT 199
#define TK_METRIC 200
#define TK_TBNAME 201
#define TK_JOIN 202
#define TK_METRICS 203
#define TK_STABLE 204
#define TK_INSERT 205
#define TK_INTO 206
#define TK_VALUES 207
#define TK_SPACE 300

1
src/query/inc/qSqlparser.h
View File

@ -121,6 +121,7 @@ typedef struct SCreateDBInfo {
SStrToken precision;
bool ignoreExists;
int8_t update;
int8_t cachelast;
SArray *keep;
} SCreateDBInfo;

169
src/query/inc/sql.y
View File

@ -112,29 +112,29 @@ cmd ::= SHOW dbPrefix(X) STABLES. {
cmd ::= SHOW dbPrefix(X) STABLES LIKE ids(Y). {
SStrToken token;
setDBName(&token, &X);
setDbName(&token, &X);
setShowOptions(pInfo, TSDB_MGMT_TABLE_METRIC, &token, &Y);
}
cmd ::= SHOW dbPrefix(X) VGROUPS. {
SStrToken token;
setDBName(&token, &X);
setDbName(&token, &X);
setShowOptions(pInfo, TSDB_MGMT_TABLE_VGROUP, &token, 0);
}
cmd ::= SHOW dbPrefix(X) VGROUPS ids(Y). {
SStrToken token;
setDBName(&token, &X);
setDbName(&token, &X);
setShowOptions(pInfo, TSDB_MGMT_TABLE_VGROUP, &token, &Y);
}
//drop configure for tables
cmd ::= DROP TABLE ifexists(Y) ids(X) cpxName(Z). {
X.n += Z.n;
setDropDBTableInfo(pInfo, TSDB_SQL_DROP_TABLE, &X, &Y);
setDropDbTableInfo(pInfo, TSDB_SQL_DROP_TABLE, &X, &Y);
}
cmd ::= DROP DATABASE ifexists(Y) ids(X). { setDropDBTableInfo(pInfo, TSDB_SQL_DROP_DB, &X, &Y); }
cmd ::= DROP DATABASE ifexists(Y) ids(X). { setDropDbTableInfo(pInfo, TSDB_SQL_DROP_DB, &X, &Y); }
cmd ::= DROP DNODE ids(X). { setDCLSQLElems(pInfo, TSDB_SQL_DROP_DNODE, 1, &X); }
cmd ::= DROP USER ids(X). { setDCLSQLElems(pInfo, TSDB_SQL_DROP_USER, 1, &X); }
cmd ::= DROP ACCOUNT ids(X). { setDCLSQLElems(pInfo, TSDB_SQL_DROP_ACCT, 1, &X); }
@ -149,16 +149,16 @@ cmd ::= DESCRIBE ids(X) cpxName(Y). {
}
/////////////////////////////////THE ALTER STATEMENT////////////////////////////////////////
cmd ::= ALTER USER ids(X) PASS ids(Y). { setAlterUserSQL(pInfo, TSDB_ALTER_USER_PASSWD, &X, &Y, NULL); }
cmd ::= ALTER USER ids(X) PRIVILEGE ids(Y). { setAlterUserSQL(pInfo, TSDB_ALTER_USER_PRIVILEGES, &X, NULL, &Y);}
cmd ::= ALTER USER ids(X) PASS ids(Y). { setAlterUserSql(pInfo, TSDB_ALTER_USER_PASSWD, &X, &Y, NULL); }
cmd ::= ALTER USER ids(X) PRIVILEGE ids(Y). { setAlterUserSql(pInfo, TSDB_ALTER_USER_PRIVILEGES, &X, NULL, &Y);}
cmd ::= ALTER DNODE ids(X) ids(Y). { setDCLSQLElems(pInfo, TSDB_SQL_CFG_DNODE, 2, &X, &Y); }
cmd ::= ALTER DNODE ids(X) ids(Y) ids(Z). { setDCLSQLElems(pInfo, TSDB_SQL_CFG_DNODE, 3, &X, &Y, &Z); }
cmd ::= ALTER LOCAL ids(X). { setDCLSQLElems(pInfo, TSDB_SQL_CFG_LOCAL, 1, &X); }
cmd ::= ALTER LOCAL ids(X) ids(Y). { setDCLSQLElems(pInfo, TSDB_SQL_CFG_LOCAL, 2, &X, &Y); }
cmd ::= ALTER DATABASE ids(X) alter_db_optr(Y). { SStrToken t = {0}; setCreateDBSQL(pInfo, TSDB_SQL_ALTER_DB, &X, &Y, &t);}
cmd ::= ALTER ACCOUNT ids(X) acct_optr(Z). { setCreateAcctSQL(pInfo, TSDB_SQL_ALTER_ACCT, &X, NULL, &Z);}
cmd ::= ALTER ACCOUNT ids(X) PASS ids(Y) acct_optr(Z). { setCreateAcctSQL(pInfo, TSDB_SQL_ALTER_ACCT, &X, &Y, &Z);}
cmd ::= ALTER ACCOUNT ids(X) acct_optr(Z). { setCreateAcctSql(pInfo, TSDB_SQL_ALTER_ACCT, &X, NULL, &Z);}
cmd ::= ALTER ACCOUNT ids(X) PASS ids(Y) acct_optr(Z). { setCreateAcctSql(pInfo, TSDB_SQL_ALTER_ACCT, &X, &Y, &Z);}
// An IDENTIFIER can be a generic identifier, or one of several keywords.
// Any non-standard keyword can also be an identifier.
@ -179,9 +179,9 @@ ifnotexists(X) ::= . { X.n = 0;}
//create option for dnode/db/user/account
cmd ::= CREATE DNODE ids(X). { setDCLSQLElems(pInfo, TSDB_SQL_CREATE_DNODE, 1, &X);}
cmd ::= CREATE ACCOUNT ids(X) PASS ids(Y) acct_optr(Z).
{ setCreateAcctSQL(pInfo, TSDB_SQL_CREATE_ACCT, &X, &Y, &Z);}
{ setCreateAcctSql(pInfo, TSDB_SQL_CREATE_ACCT, &X, &Y, &Z);}
cmd ::= CREATE DATABASE ifnotexists(Z) ids(X) db_optr(Y). { setCreateDBSQL(pInfo, TSDB_SQL_CREATE_DB, &X, &Y, &Z);}
cmd ::= CREATE USER ids(X) PASS ids(Y). { setCreateUserSQL(pInfo, &X, &Y);}
cmd ::= CREATE USER ids(X) PASS ids(Y). { setCreateUserSql(pInfo, &X, &Y);}
pps(Y) ::= . { Y.n = 0; }
pps(Y) ::= PPS INTEGER(X). { Y = X; }
@ -240,6 +240,7 @@ fsync(Y) ::= FSYNC INTEGER(X). { Y = X; }
comp(Y) ::= COMP INTEGER(X). { Y = X; }
prec(Y) ::= PRECISION STRING(X). { Y = X; }
update(Y) ::= UPDATE INTEGER(X). { Y = X; }
cachelast(Y) ::= CACHELAST INTEGER(X). { Y = X; }
%type db_optr {SCreateDBInfo}
db_optr(Y) ::= . {setDefaultCreateDbOption(&Y);}
@ -258,6 +259,7 @@ db_optr(Y) ::= db_optr(Z) comp(X). { Y = Z; Y.compressionLevel = strto
db_optr(Y) ::= db_optr(Z) prec(X). { Y = Z; Y.precision = X; }
db_optr(Y) ::= db_optr(Z) keep(X). { Y = Z; Y.keep = X; }
db_optr(Y) ::= db_optr(Z) update(X). { Y = Z; Y.update = strtol(X.z, NULL, 10); }
db_optr(Y) ::= db_optr(Z) cachelast(X). { Y = Z; Y.cachelast = strtol(X.z, NULL, 10); }
%type alter_db_optr {SCreateDBInfo}
alter_db_optr(Y) ::= . { setDefaultCreateDbOption(&Y);}
@ -270,21 +272,22 @@ alter_db_optr(Y) ::= alter_db_optr(Z) comp(X). { Y = Z; Y.compressionLeve
alter_db_optr(Y) ::= alter_db_optr(Z) wal(X). { Y = Z; Y.walLevel = strtol(X.z, NULL, 10); }
alter_db_optr(Y) ::= alter_db_optr(Z) fsync(X). { Y = Z; Y.fsyncPeriod = strtol(X.z, NULL, 10); }
alter_db_optr(Y) ::= alter_db_optr(Z) update(X). { Y = Z; Y.update = strtol(X.z, NULL, 10); }
alter_db_optr(Y) ::= alter_db_optr(Z) cachelast(X). { Y = Z; Y.cachelast = strtol(X.z, NULL, 10); }
%type typename {TAOS_FIELD}
typename(A) ::= ids(X). {
X.type = 0;
tSQLSetColumnType (&A, &X);
tSqlSetColumnType (&A, &X);
}
//define binary type, e.g., binary(10), nchar(10)
typename(A) ::= ids(X) LP signed(Y) RP. {
if (Y <= 0) {
X.type = 0;
tSQLSetColumnType(&A, &X);
tSqlSetColumnType(&A, &X);
} else {
X.type = -Y; // negative value of name length
tSQLSetColumnType(&A, &X);
tSqlSetColumnType(&A, &X);
}
}
@ -315,8 +318,8 @@ create_table_list(A) ::= create_table_list(X) create_from_stable(Z). {
%type create_table_args{SCreateTableSQL*}
create_table_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) LP columnlist(X) RP. {
A = tSetCreateSQLElems(X, NULL, NULL, TSQL_CREATE_TABLE);
setSQLInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
A = tSetCreateSqlElems(X, NULL, NULL, TSQL_CREATE_TABLE);
setSqlInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
V.n += Z.n;
setCreatedTableName(pInfo, &V, &U);
@ -324,8 +327,8 @@ create_table_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) LP columnlist(X) RP. {
// create super table
create_table_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) LP columnlist(X) RP TAGS LP columnlist(Y) RP. {
A = tSetCreateSQLElems(X, Y, NULL, TSQL_CREATE_STABLE);
setSQLInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
A = tSetCreateSqlElems(X, Y, NULL, TSQL_CREATE_STABLE);
setSqlInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
V.n += Z.n;
setCreatedTableName(pInfo, &V, &U);
@ -343,8 +346,8 @@ create_from_stable(A) ::= ifnotexists(U) ids(V) cpxName(Z) USING ids(X) cpxName(
// create stream
// create table table_name as select count(*) from super_table_name interval(time)
create_table_args(A) ::= ifnotexists(U) ids(V) cpxName(Z) AS select(S). {
A = tSetCreateSQLElems(NULL, NULL, S, TSQL_CREATE_STREAM);
setSQLInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
A = tSetCreateSqlElems(NULL, NULL, S, TSQL_CREATE_STREAM);
setSqlInfo(pInfo, A, NULL, TSDB_SQL_CREATE_TABLE);
V.n += Z.n;
setCreatedTableName(pInfo, &V, &U);
@ -359,7 +362,7 @@ columnlist(A) ::= column(X). {A = taosArrayInit(4, sizeof(T
// The information used for a column is the name and type of column:
// tinyint smallint int bigint float double bool timestamp binary(x) nchar(x)
column(A) ::= ids(X) typename(Y). {
tSQLSetColumnInfo(&A, &X, &Y);
tSqlSetColumnInfo(&A, &X, &Y);
}
%type tagitemlist {SArray*}
@ -407,7 +410,7 @@ tagitem(A) ::= PLUS(X) FLOAT(Y). {
%type select {SQuerySQL*}
%destructor select {doDestroyQuerySql($$);}
select(A) ::= SELECT(T) selcollist(W) from(X) where_opt(Y) interval_opt(K) fill_opt(F) sliding_opt(S) groupby_opt(P) orderby_opt(Z) having_opt(N) slimit_opt(G) limit_opt(L). {
A = tSetQuerySQLElems(&T, W, X, Y, P, Z, &K, &S, F, &L, &G);
A = tSetQuerySqlElems(&T, W, X, Y, P, Z, &K, &S, F, &L, &G);
}
%type union {SSubclauseInfo*}
@ -418,33 +421,33 @@ union(Y) ::= LP union(X) RP. { Y = X; }
union(Y) ::= union(Z) UNION ALL select(X). { Y = appendSelectClause(Z, X); }
union(Y) ::= union(Z) UNION ALL LP select(X) RP. { Y = appendSelectClause(Z, X); }
cmd ::= union(X). { setSQLInfo(pInfo, X, NULL, TSDB_SQL_SELECT); }
cmd ::= union(X). { setSqlInfo(pInfo, X, NULL, TSDB_SQL_SELECT); }
// Support for the SQL exprssion without from & where subclauses, e.g.,
// select current_database(),
// select server_version(), select client_version(),
// select server_state();
select(A) ::= SELECT(T) selcollist(W). {
A = tSetQuerySQLElems(&T, W, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
A = tSetQuerySqlElems(&T, W, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
}
// selcollist is a list of expressions that are to become the return
// values of the SELECT statement. The "*" in statements like
// "SELECT * FROM ..." is encoded as a special expression with an opcode of TK_ALL.
%type selcollist {tSQLExprList*}
%destructor selcollist {tSQLExprListDestroy($$);}
%destructor selcollist {tSqlExprListDestroy($$);}
%type sclp {tSQLExprList*}
%destructor sclp {tSQLExprListDestroy($$);}
%destructor sclp {tSqlExprListDestroy($$);}
sclp(A) ::= selcollist(X) COMMA. {A = X;}
sclp(A) ::= . {A = 0;}
selcollist(A) ::= sclp(P) expr(X) as(Y). {
A = tSQLExprListAppend(P, X, Y.n?&Y:0);
A = tSqlExprListAppend(P, X, Y.n?&Y:0);
}
selcollist(A) ::= sclp(P) STAR. {
tSQLExpr *pNode = tSQLExprIdValueCreate(NULL, TK_ALL);
A = tSQLExprListAppend(P, pNode, 0);
tSQLExpr *pNode = tSqlExprIdValueCreate(NULL, TK_ALL);
A = tSqlExprListAppend(P, pNode, 0);
}
// An option "AS <id>" phrase that can follow one of the expressions that
@ -573,7 +576,7 @@ grouplist(A) ::= item(X). {
//having clause, ignore the input condition in having
%type having_opt {tSQLExpr*}
%destructor having_opt {tSQLExprDestroy($$);}
%destructor having_opt {tSqlExprDestroy($$);}
having_opt(A) ::=. {A = 0;}
having_opt(A) ::= HAVING expr(X). {A = X;}
@ -595,7 +598,7 @@ slimit_opt(A) ::= SLIMIT signed(X) COMMA signed(Y).
{A.limit = Y; A.offset = X;}
%type where_opt {tSQLExpr*}
%destructor where_opt {tSQLExprDestroy($$);}
%destructor where_opt {tSqlExprDestroy($$);}
where_opt(A) ::= . {A = 0;}
where_opt(A) ::= WHERE expr(X). {A = X;}
@ -603,67 +606,67 @@ where_opt(A) ::= WHERE expr(X). {A = X;}
/////////////////////////// Expression Processing /////////////////////////////
//
%type expr {tSQLExpr*}
%destructor expr {tSQLExprDestroy($$);}
%destructor expr {tSqlExprDestroy($$);}
expr(A) ::= LP(X) expr(Y) RP(Z). {A = Y; A->token.z = X.z; A->token.n = (Z.z - X.z + 1);}
expr(A) ::= ID(X). { A = tSQLExprIdValueCreate(&X, TK_ID);}
expr(A) ::= ID(X) DOT ID(Y). { X.n += (1+Y.n); A = tSQLExprIdValueCreate(&X, TK_ID);}
expr(A) ::= ID(X) DOT STAR(Y). { X.n += (1+Y.n); A = tSQLExprIdValueCreate(&X, TK_ALL);}
expr(A) ::= ID(X). { A = tSqlExprIdValueCreate(&X, TK_ID);}
expr(A) ::= ID(X) DOT ID(Y). { X.n += (1+Y.n); A = tSqlExprIdValueCreate(&X, TK_ID);}
expr(A) ::= ID(X) DOT STAR(Y). { X.n += (1+Y.n); A = tSqlExprIdValueCreate(&X, TK_ALL);}
expr(A) ::= INTEGER(X). { A = tSQLExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= MINUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSQLExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= PLUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSQLExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= FLOAT(X). { A = tSQLExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= MINUS(X) FLOAT(Y). { X.n += Y.n; X.type = TK_FLOAT; A = tSQLExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= PLUS(X) FLOAT(Y). { X.n += Y.n; X.type = TK_FLOAT; A = tSQLExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= STRING(X). { A = tSQLExprIdValueCreate(&X, TK_STRING);}
expr(A) ::= NOW(X). { A = tSQLExprIdValueCreate(&X, TK_NOW); }
expr(A) ::= VARIABLE(X). { A = tSQLExprIdValueCreate(&X, TK_VARIABLE);}
expr(A) ::= BOOL(X). { A = tSQLExprIdValueCreate(&X, TK_BOOL);}
expr(A) ::= INTEGER(X). { A = tSqlExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= MINUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= PLUS(X) INTEGER(Y). { X.n += Y.n; X.type = TK_INTEGER; A = tSqlExprIdValueCreate(&X, TK_INTEGER);}
expr(A) ::= FLOAT(X). { A = tSqlExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= MINUS(X) FLOAT(Y). { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= PLUS(X) FLOAT(Y). { X.n += Y.n; X.type = TK_FLOAT; A = tSqlExprIdValueCreate(&X, TK_FLOAT);}
expr(A) ::= STRING(X). { A = tSqlExprIdValueCreate(&X, TK_STRING);}
expr(A) ::= NOW(X). { A = tSqlExprIdValueCreate(&X, TK_NOW); }
expr(A) ::= VARIABLE(X). { A = tSqlExprIdValueCreate(&X, TK_VARIABLE);}
expr(A) ::= BOOL(X). { A = tSqlExprIdValueCreate(&X, TK_BOOL);}
// ordinary functions: min(x), max(x), top(k, 20)
expr(A) ::= ID(X) LP exprlist(Y) RP(E). { A = tSQLExprCreateFunction(Y, &X, &E, X.type); }
expr(A) ::= ID(X) LP exprlist(Y) RP(E). { A = tSqlExprCreateFunction(Y, &X, &E, X.type); }
// for parsing sql functions with wildcard for parameters. e.g., count(*)/first(*)/last(*) operation
expr(A) ::= ID(X) LP STAR RP(Y). { A = tSQLExprCreateFunction(NULL, &X, &Y, X.type); }
expr(A) ::= ID(X) LP STAR RP(Y). { A = tSqlExprCreateFunction(NULL, &X, &Y, X.type); }
// is (not) null expression
expr(A) ::= expr(X) IS NULL. {A = tSQLExprCreate(X, NULL, TK_ISNULL);}
expr(A) ::= expr(X) IS NOT NULL. {A = tSQLExprCreate(X, NULL, TK_NOTNULL);}
expr(A) ::= expr(X) IS NULL. {A = tSqlExprCreate(X, NULL, TK_ISNULL);}
expr(A) ::= expr(X) IS NOT NULL. {A = tSqlExprCreate(X, NULL, TK_NOTNULL);}
// relational expression
expr(A) ::= expr(X) LT expr(Y). {A = tSQLExprCreate(X, Y, TK_LT);}
expr(A) ::= expr(X) GT expr(Y). {A = tSQLExprCreate(X, Y, TK_GT);}
expr(A) ::= expr(X) LE expr(Y). {A = tSQLExprCreate(X, Y, TK_LE);}
expr(A) ::= expr(X) GE expr(Y). {A = tSQLExprCreate(X, Y, TK_GE);}
expr(A) ::= expr(X) NE expr(Y). {A = tSQLExprCreate(X, Y, TK_NE);}
expr(A) ::= expr(X) EQ expr(Y). {A = tSQLExprCreate(X, Y, TK_EQ);}
expr(A) ::= expr(X) LT expr(Y). {A = tSqlExprCreate(X, Y, TK_LT);}
expr(A) ::= expr(X) GT expr(Y). {A = tSqlExprCreate(X, Y, TK_GT);}
expr(A) ::= expr(X) LE expr(Y). {A = tSqlExprCreate(X, Y, TK_LE);}
expr(A) ::= expr(X) GE expr(Y). {A = tSqlExprCreate(X, Y, TK_GE);}
expr(A) ::= expr(X) NE expr(Y). {A = tSqlExprCreate(X, Y, TK_NE);}
expr(A) ::= expr(X) EQ expr(Y). {A = tSqlExprCreate(X, Y, TK_EQ);}
expr(A) ::= expr(X) AND expr(Y). {A = tSQLExprCreate(X, Y, TK_AND);}
expr(A) ::= expr(X) OR expr(Y). {A = tSQLExprCreate(X, Y, TK_OR); }
expr(A) ::= expr(X) AND expr(Y). {A = tSqlExprCreate(X, Y, TK_AND);}
expr(A) ::= expr(X) OR expr(Y). {A = tSqlExprCreate(X, Y, TK_OR); }
// binary arithmetic expression
expr(A) ::= expr(X) PLUS expr(Y). {A = tSQLExprCreate(X, Y, TK_PLUS); }
expr(A) ::= expr(X) MINUS expr(Y). {A = tSQLExprCreate(X, Y, TK_MINUS); }
expr(A) ::= expr(X) STAR expr(Y). {A = tSQLExprCreate(X, Y, TK_STAR); }
expr(A) ::= expr(X) SLASH expr(Y). {A = tSQLExprCreate(X, Y, TK_DIVIDE);}
expr(A) ::= expr(X) REM expr(Y). {A = tSQLExprCreate(X, Y, TK_REM); }
expr(A) ::= expr(X) PLUS expr(Y). {A = tSqlExprCreate(X, Y, TK_PLUS); }
expr(A) ::= expr(X) MINUS expr(Y). {A = tSqlExprCreate(X, Y, TK_MINUS); }
expr(A) ::= expr(X) STAR expr(Y). {A = tSqlExprCreate(X, Y, TK_STAR); }
expr(A) ::= expr(X) SLASH expr(Y). {A = tSqlExprCreate(X, Y, TK_DIVIDE);}
expr(A) ::= expr(X) REM expr(Y). {A = tSqlExprCreate(X, Y, TK_REM); }
// like expression
expr(A) ::= expr(X) LIKE expr(Y). {A = tSQLExprCreate(X, Y, TK_LIKE); }
expr(A) ::= expr(X) LIKE expr(Y). {A = tSqlExprCreate(X, Y, TK_LIKE); }
//in expression
expr(A) ::= expr(X) IN LP exprlist(Y) RP. {A = tSQLExprCreate(X, (tSQLExpr*)Y, TK_IN); }
expr(A) ::= expr(X) IN LP exprlist(Y) RP. {A = tSqlExprCreate(X, (tSQLExpr*)Y, TK_IN); }
%type exprlist {tSQLExprList*}
%destructor exprlist {tSQLExprListDestroy($$);}
%destructor exprlist {tSqlExprListDestroy($$);}
%type expritem {tSQLExpr*}
%destructor expritem {tSQLExprDestroy($$);}
%destructor expritem {tSqlExprDestroy($$);}
exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = tSQLExprListAppend(X,Y,0);}
exprlist(A) ::= expritem(X). {A = tSQLExprListAppend(0,X,0);}
exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = tSqlExprListAppend(X,Y,0);}
exprlist(A) ::= expritem(X). {A = tSqlExprListAppend(0,X,0);}
expritem(A) ::= expr(X). {A = X;}
expritem(A) ::= . {A = 0;}
@ -673,8 +676,8 @@ cmd ::= RESET QUERY CACHE. { setDCLSQLElems(pInfo, TSDB_SQL_RESET_CACHE, 0);}
///////////////////////////////////ALTER TABLE statement//////////////////////////////////
cmd ::= ALTER TABLE ids(X) cpxName(F) ADD COLUMN columnlist(A). {
X.n += F.n;
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, A, NULL, TSDB_ALTER_TABLE_ADD_COLUMN);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, A, NULL, TSDB_ALTER_TABLE_ADD_COLUMN);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
cmd ::= ALTER TABLE ids(X) cpxName(F) DROP COLUMN ids(A). {
@ -683,15 +686,15 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) DROP COLUMN ids(A). {
toTSDBType(A.type);
SArray* K = tVariantListAppendToken(NULL, &A, -1);
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
//////////////////////////////////ALTER TAGS statement/////////////////////////////////////
cmd ::= ALTER TABLE ids(X) cpxName(Y) ADD TAG columnlist(A). {
X.n += Y.n;
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, A, NULL, TSDB_ALTER_TABLE_ADD_TAG_COLUMN);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, A, NULL, TSDB_ALTER_TABLE_ADD_TAG_COLUMN);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
cmd ::= ALTER TABLE ids(X) cpxName(Z) DROP TAG ids(Y). {
X.n += Z.n;
@ -699,8 +702,8 @@ cmd ::= ALTER TABLE ids(X) cpxName(Z) DROP TAG ids(Y). {
toTSDBType(Y.type);
SArray* A = tVariantListAppendToken(NULL, &Y, -1);
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
cmd ::= ALTER TABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
@ -712,8 +715,8 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
toTSDBType(Z.type);
A = tVariantListAppendToken(A, &Z, -1);
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
cmd ::= ALTER TABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z). {
@ -723,14 +726,14 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z). {
SArray* A = tVariantListAppendToken(NULL, &Y, -1);
A = tVariantListAppend(A, &Z, -1);
SAlterTableSQL* pAlterTable = tAlterTableSQLElems(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL);
setSQLInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
SAlterTableSQL* pAlterTable = tAlterTableSqlElems(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL);
setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
}
////////////////////////////////////////kill statement///////////////////////////////////////
cmd ::= KILL CONNECTION INTEGER(Y). {setKillSQL(pInfo, TSDB_SQL_KILL_CONNECTION, &Y);}
cmd ::= KILL STREAM INTEGER(X) COLON(Z) INTEGER(Y). {X.n += (Z.n + Y.n); setKillSQL(pInfo, TSDB_SQL_KILL_STREAM, &X);}
cmd ::= KILL QUERY INTEGER(X) COLON(Z) INTEGER(Y). {X.n += (Z.n + Y.n); setKillSQL(pInfo, TSDB_SQL_KILL_QUERY, &X);}
cmd ::= KILL CONNECTION INTEGER(Y). {setKillSql(pInfo, TSDB_SQL_KILL_CONNECTION, &Y);}
cmd ::= KILL STREAM INTEGER(X) COLON(Z) INTEGER(Y). {X.n += (Z.n + Y.n); setKillSql(pInfo, TSDB_SQL_KILL_STREAM, &X);}
cmd ::= KILL QUERY INTEGER(X) COLON(Z) INTEGER(Y). {X.n += (Z.n + Y.n); setKillSql(pInfo, TSDB_SQL_KILL_QUERY, &X);}
%fallback ID ABORT AFTER ASC ATTACH BEFORE BEGIN CASCADE CLUSTER CONFLICT COPY DATABASE DEFERRED
DELIMITERS DESC DETACH EACH END EXPLAIN FAIL FOR GLOB IGNORE IMMEDIATE INITIALLY INSTEAD

1
src/query/src/qParserImpl.c
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@ -841,5 +841,6 @@ void setDefaultCreateDbOption(SCreateDBInfo *pDBInfo) {
pDBInfo->keep = NULL;
pDBInfo->update = -1;
pDBInfo->cachelast = 0;
memset(&pDBInfo->precision, 0, sizeof(SStrToken));
}

1
src/query/src/qTokenizer.c
View File

@ -238,6 +238,7 @@ static SKeyword keywordTable[] = {
{"SUM_IRATE", TK_SUM_IRATE},
{"AVG_RATE", TK_AVG_RATE},
{"AVG_IRATE", TK_AVG_IRATE},
{"CACHELAST", TK_CACHELAST},
};
static const char isIdChar[] = {

2455
src/query/src/sql.c
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