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feat: support show cluster alive; and show db.alive;

This commit is contained in:
Alex Duan 2022-12-29 18:07:57 +08:00
parent 2673b6a536
commit 0c422345b3
17 changed files with 3951 additions and 3186 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/common/taosdef.h
View File

@ -30,6 +30,11 @@ typedef int64_t tb_uid_t;
#define IS_TSWINDOW_SPECIFIED(win) (((win).skey != INT64_MIN) || ((win).ekey != INT64_MAX))
#define TSWINDOW_IS_EQUAL(t1, t2) (((t1).skey == (t2).skey) && ((t1).ekey == (t2).ekey))
//define show cluster alive and show db.alive
#define SHOW_STATUS_NOT_AVAILABLE 0
#define SHOW_STATUS_AVAILABLE 1
#define SHOW_STATUS_HALF_AVAILABLE 2
typedef enum {
TSDB_SUPER_TABLE = 1, // super table
TSDB_CHILD_TABLE = 2, // table created from super table

331
include/common/ttokendef.h
View File

@ -175,171 +175,172 @@
#define TK_CONSUMERS 157
#define TK_SUBSCRIPTIONS 158
#define TK_VNODES 159
#define TK_LIKE 160
#define TK_TBNAME 161
#define TK_QTAGS 162
#define TK_AS 163
#define TK_INDEX 164
#define TK_FUNCTION 165
#define TK_INTERVAL 166
#define TK_COUNT 167
#define TK_LAST_ROW 168
#define TK_TOPIC 169
#define TK_WITH 170
#define TK_META 171
#define TK_CONSUMER 172
#define TK_GROUP 173
#define TK_DESC 174
#define TK_DESCRIBE 175
#define TK_RESET 176
#define TK_QUERY 177
#define TK_CACHE 178
#define TK_EXPLAIN 179
#define TK_ANALYZE 180
#define TK_VERBOSE 181
#define TK_NK_BOOL 182
#define TK_RATIO 183
#define TK_NK_FLOAT 184
#define TK_OUTPUTTYPE 185
#define TK_AGGREGATE 186
#define TK_BUFSIZE 187
#define TK_STREAM 188
#define TK_INTO 189
#define TK_TRIGGER 190
#define TK_AT_ONCE 191
#define TK_WINDOW_CLOSE 192
#define TK_IGNORE 193
#define TK_EXPIRED 194
#define TK_FILL_HISTORY 195
#define TK_SUBTABLE 196
#define TK_KILL 197
#define TK_CONNECTION 198
#define TK_TRANSACTION 199
#define TK_BALANCE 200
#define TK_VGROUP 201
#define TK_MERGE 202
#define TK_REDISTRIBUTE 203
#define TK_SPLIT 204
#define TK_DELETE 205
#define TK_INSERT 206
#define TK_NULL 207
#define TK_NK_QUESTION 208
#define TK_NK_ARROW 209
#define TK_ROWTS 210
#define TK_QSTART 211
#define TK_QEND 212
#define TK_QDURATION 213
#define TK_WSTART 214
#define TK_WEND 215
#define TK_WDURATION 216
#define TK_IROWTS 217
#define TK_ISFILLED 218
#define TK_CAST 219
#define TK_NOW 220
#define TK_TODAY 221
#define TK_TIMEZONE 222
#define TK_CLIENT_VERSION 223
#define TK_SERVER_VERSION 224
#define TK_SERVER_STATUS 225
#define TK_CURRENT_USER 226
#define TK_CASE 227
#define TK_END 228
#define TK_WHEN 229
#define TK_THEN 230
#define TK_ELSE 231
#define TK_BETWEEN 232
#define TK_IS 233
#define TK_NK_LT 234
#define TK_NK_GT 235
#define TK_NK_LE 236
#define TK_NK_GE 237
#define TK_NK_NE 238
#define TK_MATCH 239
#define TK_NMATCH 240
#define TK_CONTAINS 241
#define TK_IN 242
#define TK_JOIN 243
#define TK_INNER 244
#define TK_SELECT 245
#define TK_DISTINCT 246
#define TK_WHERE 247
#define TK_PARTITION 248
#define TK_BY 249
#define TK_SESSION 250
#define TK_STATE_WINDOW 251
#define TK_EVENT_WINDOW 252
#define TK_START 253
#define TK_SLIDING 254
#define TK_FILL 255
#define TK_VALUE 256
#define TK_NONE 257
#define TK_PREV 258
#define TK_LINEAR 259
#define TK_NEXT 260
#define TK_HAVING 261
#define TK_RANGE 262
#define TK_EVERY 263
#define TK_ORDER 264
#define TK_SLIMIT 265
#define TK_SOFFSET 266
#define TK_LIMIT 267
#define TK_OFFSET 268
#define TK_ASC 269
#define TK_NULLS 270
#define TK_ABORT 271
#define TK_AFTER 272
#define TK_ATTACH 273
#define TK_BEFORE 274
#define TK_BEGIN 275
#define TK_BITAND 276
#define TK_BITNOT 277
#define TK_BITOR 278
#define TK_BLOCKS 279
#define TK_CHANGE 280
#define TK_COMMA 281
#define TK_COMPACT 282
#define TK_CONCAT 283
#define TK_CONFLICT 284
#define TK_COPY 285
#define TK_DEFERRED 286
#define TK_DELIMITERS 287
#define TK_DETACH 288
#define TK_DIVIDE 289
#define TK_DOT 290
#define TK_EACH 291
#define TK_FAIL 292
#define TK_FILE 293
#define TK_FOR 294
#define TK_GLOB 295
#define TK_ID 296
#define TK_IMMEDIATE 297
#define TK_IMPORT 298
#define TK_INITIALLY 299
#define TK_INSTEAD 300
#define TK_ISNULL 301
#define TK_KEY 302
#define TK_MODULES 303
#define TK_NK_BITNOT 304
#define TK_NK_SEMI 305
#define TK_NOTNULL 306
#define TK_OF 307
#define TK_PLUS 308
#define TK_PRIVILEGE 309
#define TK_RAISE 310
#define TK_REPLACE 311
#define TK_RESTRICT 312
#define TK_ROW 313
#define TK_SEMI 314
#define TK_STAR 315
#define TK_STATEMENT 316
#define TK_STRICT 317
#define TK_STRING 318
#define TK_TIMES 319
#define TK_UPDATE 320
#define TK_VALUES 321
#define TK_VARIABLE 322
#define TK_VIEW 323
#define TK_WAL 324
#define TK_ALIVE 160
#define TK_LIKE 161
#define TK_TBNAME 162
#define TK_QTAGS 163
#define TK_AS 164
#define TK_INDEX 165
#define TK_FUNCTION 166
#define TK_INTERVAL 167
#define TK_COUNT 168
#define TK_LAST_ROW 169
#define TK_TOPIC 170
#define TK_WITH 171
#define TK_META 172
#define TK_CONSUMER 173
#define TK_GROUP 174
#define TK_DESC 175
#define TK_DESCRIBE 176
#define TK_RESET 177
#define TK_QUERY 178
#define TK_CACHE 179
#define TK_EXPLAIN 180
#define TK_ANALYZE 181
#define TK_VERBOSE 182
#define TK_NK_BOOL 183
#define TK_RATIO 184
#define TK_NK_FLOAT 185
#define TK_OUTPUTTYPE 186
#define TK_AGGREGATE 187
#define TK_BUFSIZE 188
#define TK_STREAM 189
#define TK_INTO 190
#define TK_TRIGGER 191
#define TK_AT_ONCE 192
#define TK_WINDOW_CLOSE 193
#define TK_IGNORE 194
#define TK_EXPIRED 195
#define TK_FILL_HISTORY 196
#define TK_SUBTABLE 197
#define TK_KILL 198
#define TK_CONNECTION 199
#define TK_TRANSACTION 200
#define TK_BALANCE 201
#define TK_VGROUP 202
#define TK_MERGE 203
#define TK_REDISTRIBUTE 204
#define TK_SPLIT 205
#define TK_DELETE 206
#define TK_INSERT 207
#define TK_NULL 208
#define TK_NK_QUESTION 209
#define TK_NK_ARROW 210
#define TK_ROWTS 211
#define TK_QSTART 212
#define TK_QEND 213
#define TK_QDURATION 214
#define TK_WSTART 215
#define TK_WEND 216
#define TK_WDURATION 217
#define TK_IROWTS 218
#define TK_ISFILLED 219
#define TK_CAST 220
#define TK_NOW 221
#define TK_TODAY 222
#define TK_TIMEZONE 223
#define TK_CLIENT_VERSION 224
#define TK_SERVER_VERSION 225
#define TK_SERVER_STATUS 226
#define TK_CURRENT_USER 227
#define TK_CASE 228
#define TK_END 229
#define TK_WHEN 230
#define TK_THEN 231
#define TK_ELSE 232
#define TK_BETWEEN 233
#define TK_IS 234
#define TK_NK_LT 235
#define TK_NK_GT 236
#define TK_NK_LE 237
#define TK_NK_GE 238
#define TK_NK_NE 239
#define TK_MATCH 240
#define TK_NMATCH 241
#define TK_CONTAINS 242
#define TK_IN 243
#define TK_JOIN 244
#define TK_INNER 245
#define TK_SELECT 246
#define TK_DISTINCT 247
#define TK_WHERE 248
#define TK_PARTITION 249
#define TK_BY 250
#define TK_SESSION 251
#define TK_STATE_WINDOW 252
#define TK_EVENT_WINDOW 253
#define TK_START 254
#define TK_SLIDING 255
#define TK_FILL 256
#define TK_VALUE 257
#define TK_NONE 258
#define TK_PREV 259
#define TK_LINEAR 260
#define TK_NEXT 261
#define TK_HAVING 262
#define TK_RANGE 263
#define TK_EVERY 264
#define TK_ORDER 265
#define TK_SLIMIT 266
#define TK_SOFFSET 267
#define TK_LIMIT 268
#define TK_OFFSET 269
#define TK_ASC 270
#define TK_NULLS 271
#define TK_ABORT 272
#define TK_AFTER 273
#define TK_ATTACH 274
#define TK_BEFORE 275
#define TK_BEGIN 276
#define TK_BITAND 277
#define TK_BITNOT 278
#define TK_BITOR 279
#define TK_BLOCKS 280
#define TK_CHANGE 281
#define TK_COMMA 282
#define TK_COMPACT 283
#define TK_CONCAT 284
#define TK_CONFLICT 285
#define TK_COPY 286
#define TK_DEFERRED 287
#define TK_DELIMITERS 288
#define TK_DETACH 289
#define TK_DIVIDE 290
#define TK_DOT 291
#define TK_EACH 292
#define TK_FAIL 293
#define TK_FILE 294
#define TK_FOR 295
#define TK_GLOB 296
#define TK_ID 297
#define TK_IMMEDIATE 298
#define TK_IMPORT 299
#define TK_INITIALLY 300
#define TK_INSTEAD 301
#define TK_ISNULL 302
#define TK_KEY 303
#define TK_MODULES 304
#define TK_NK_BITNOT 305
#define TK_NK_SEMI 306
#define TK_NOTNULL 307
#define TK_OF 308
#define TK_PLUS 309
#define TK_PRIVILEGE 310
#define TK_RAISE 311
#define TK_REPLACE 312
#define TK_RESTRICT 313
#define TK_ROW 314
#define TK_SEMI 315
#define TK_STAR 316
#define TK_STATEMENT 317
#define TK_STRICT 318
#define TK_STRING 319
#define TK_TIMES 320
#define TK_UPDATE 321
#define TK_VALUES 322
#define TK_VARIABLE 323
#define TK_VIEW 324
#define TK_WAL 325
#define TK_NK_SPACE 600
#define TK_NK_COMMENT 601

2
include/libs/command/command.h
View File

@ -22,7 +22,7 @@
typedef struct SExplainCtx SExplainCtx;
int32_t qExecCommand(bool sysInfoUser, SNode *pStmt, SRetrieveTableRsp **pRsp);
int32_t qExecCommand(int64_t* pConnId, bool sysInfoUser, SNode *pStmt, SRetrieveTableRsp **pRsp);
int32_t qExecStaticExplain(SQueryPlan *pDag, SRetrieveTableRsp **pRsp);
int32_t qExecExplainBegin(SQueryPlan *pDag, SExplainCtx **pCtx, int64_t startTs);

6
include/libs/nodes/cmdnodes.h
View File

@ -40,6 +40,7 @@ extern "C" {
#define SHOW_LOCAL_VARIABLES_RESULT_FIELD1_LEN (TSDB_CONFIG_OPTION_LEN + VARSTR_HEADER_SIZE)
#define SHOW_LOCAL_VARIABLES_RESULT_FIELD2_LEN (TSDB_CONFIG_VALUE_LEN + VARSTR_HEADER_SIZE)
#define SHOW_ALIVE_RESULT_COLS 1
#define PRIVILEGE_TYPE_MASK(n) (1 << n)
#define PRIVILEGE_TYPE_ALL PRIVILEGE_TYPE_MASK(0)
@ -262,6 +263,11 @@ typedef struct SShowCreateDatabaseStmt {
void* pCfg; // SDbCfgInfo
} SShowCreateDatabaseStmt;
typedef struct SShowAliveStmt {
ENodeType type;
char dbName[TSDB_DB_NAME_LEN];
} SShowAliveStmt;
typedef struct SShowCreateTableStmt {
ENodeType type;
char dbName[TSDB_DB_NAME_LEN];

2
include/libs/nodes/nodes.h
View File

@ -208,6 +208,8 @@ typedef enum ENodeType {
QUERY_NODE_DELETE_STMT,
QUERY_NODE_INSERT_STMT,
QUERY_NODE_QUERY,
QUERY_NODE_SHOW_DB_ALIVE_STMT,
QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT,
// logic plan node
QUERY_NODE_LOGIC_PLAN_SCAN = 1000,

4
source/client/src/clientImpl.c
View File

@ -272,7 +272,7 @@ int32_t parseSql(SRequestObj* pRequest, bool topicQuery, SQuery** pQuery, SStmtC
int32_t execLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
SRetrieveTableRsp* pRsp = NULL;
int32_t code = qExecCommand(pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
int32_t code = qExecCommand(&pRequest->pTscObj->id, pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
if (TSDB_CODE_SUCCESS == code && NULL != pRsp) {
code = setQueryResultFromRsp(&pRequest->body.resInfo, pRsp, false, true);
}
@ -310,7 +310,7 @@ void asyncExecLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
return;
}
int32_t code = qExecCommand(pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
int32_t code = qExecCommand(&pRequest->pTscObj->id ,pRequest->pTscObj->sysInfo, pQuery->pRoot, &pRsp);
if (TSDB_CODE_SUCCESS == code && NULL != pRsp) {
code = setQueryResultFromRsp(&pRequest->body.resInfo, pRsp, false, true);
}

125
source/libs/command/src/command.c
View File

@ -21,6 +21,7 @@
#include "tdatablock.h"
#include "tglobal.h"
#include "tgrant.h"
#include "taosdef.h"
extern SConfig* tsCfg;
@ -154,6 +155,23 @@ static int32_t buildCreateDBResultDataBlock(SSDataBlock** pOutput) {
return code;
}
static int32_t buildAliveResultDataBlock(SSDataBlock** pOutput) {
SSDataBlock* pBlock = createDataBlock();
if (NULL == pBlock) {
return TSDB_CODE_OUT_OF_MEMORY;
}
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_INT, sizeof(int32_t), 1);
int32_t code = blockDataAppendColInfo(pBlock, &infoData);
if (TSDB_CODE_SUCCESS == code) {
*pOutput = pBlock;
} else {
blockDataDestroy(pBlock);
}
return code;
}
int64_t getValOfDiffPrecision(int8_t unit, int64_t val) {
int64_t v = 0;
switch (unit) {
@ -281,6 +299,108 @@ static void setCreateDBResultIntoDataBlock(SSDataBlock* pBlock, char* dbFName, S
colDataAppend(pCol2, 0, buf2, false);
}
#define CHECK_LEADER(n) (row[n] && (fields[n].type == TSDB_DATA_TYPE_VARCHAR && strncasecmp(row[n], "leader", varDataLen((char *)row[n] - VARSTR_HEADER_SIZE)) == 0))
// on this row, if have leader return true else return false
bool existLeaderRole(TAOS_ROW row, TAOS_FIELD* fields, int nFields) {
// vgroup_id | db_name | tables | v1_dnode | v1_status | v2_dnode | v2_status | v3_dnode | v3_status | v4_dnode |
// v4_status | cacheload | tsma |
if (nFields != 13) {
return false;
}
// check have leader on cloumn v*_status on 4 6 8 10
if (CHECK_LEADER(4) || CHECK_LEADER(6) || CHECK_LEADER(8) || CHECK_LEADER(10)) {
return true;
}
return false;
}
// get db alive status, return 1 is alive else return 0
int32_t getAliveStatusFromApi(int64_t* pConnId, char* dbName, int32_t* pStatus) {
char sql[128 + TSDB_DB_NAME_LEN] = "select * from information_schema.ins_vgroups";
int32_t code;
// filter with db name
if (dbName && dbName[0] != 0) {
char str[64 + TSDB_DB_NAME_LEN] = "";
// test db name exist
sprintf(str, "show create database %s ;", dbName);
TAOS_RES* dbRes = taos_query(pConnId, str);
code = taos_errno(dbRes);
if (code != TSDB_CODE_SUCCESS) {
taos_free_result(dbRes);
return code;
}
taos_free_result(dbRes);
sprintf(str, " where db_name='%s' ;", dbName);
strcat(sql, str);
}
TAOS_RES* res = taos_query(pConnId, sql);
code = taos_errno(res);
if (code != TSDB_CODE_SUCCESS) {
taos_free_result(res);
return code;
}
TAOS_ROW row = NULL;
TAOS_FIELD* fields = taos_fetch_fields(res);
int32_t nFields = taos_num_fields(res);
int32_t nAvailble = 0;
int32_t nUnAvailble = 0;
while ((row = taos_fetch_row(res)) != NULL) {
if (existLeaderRole(row, fields, nFields)) {
nAvailble++;
} else {
nUnAvailble++;
}
}
taos_free_result(res);
int32_t status = 0;
if (nAvailble + nUnAvailble == 0 || nUnAvailble == 0) {
status = SHOW_STATUS_AVAILABLE;
} else if (nAvailble > 0 && nUnAvailble > 0) {
status = SHOW_STATUS_HALF_AVAILABLE;
} else {
status = SHOW_STATUS_NOT_AVAILABLE;
}
if (pStatus) {
*pStatus = status;
}
return TSDB_CODE_SUCCESS;
}
static int32_t setAliveResultIntoDataBlock(int64_t* pConnId, SSDataBlock* pBlock, char* dbName) {
blockDataEnsureCapacity(pBlock, 1);
pBlock->info.rows = 1;
SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
int32_t status = 0;
int32_t code = getAliveStatusFromApi(pConnId, dbName, &status);
if (code == TSDB_CODE_SUCCESS) {
colDataAppend(pCol1, 0, (const char*)&status, false);
}
return code;
}
static int32_t execShowAliveStatus(int64_t* pConnId, SShowAliveStmt* pStmt, SRetrieveTableRsp** pRsp) {
SSDataBlock* pBlock = NULL;
int32_t code = buildAliveResultDataBlock(&pBlock);
if (TSDB_CODE_SUCCESS == code) {
code = setAliveResultIntoDataBlock(pConnId, pBlock, pStmt->dbName);
}
if (TSDB_CODE_SUCCESS == code) {
code = buildRetrieveTableRsp(pBlock, SHOW_ALIVE_RESULT_COLS, pRsp);
}
blockDataDestroy(pBlock);
return code;
}
static int32_t execShowCreateDatabase(SShowCreateDatabaseStmt* pStmt, SRetrieveTableRsp** pRsp) {
SSDataBlock* pBlock = NULL;
int32_t code = buildCreateDBResultDataBlock(&pBlock);
@ -736,7 +856,7 @@ static int32_t execSelectWithoutFrom(SSelectStmt* pSelect, SRetrieveTableRsp** p
return code;
}
int32_t qExecCommand(bool sysInfoUser, SNode* pStmt, SRetrieveTableRsp** pRsp) {
int32_t qExecCommand(int64_t* pConnId, bool sysInfoUser, SNode* pStmt, SRetrieveTableRsp** pRsp) {
switch (nodeType(pStmt)) {
case QUERY_NODE_DESCRIBE_STMT:
return execDescribe(sysInfoUser, pStmt, pRsp);
@ -754,6 +874,9 @@ int32_t qExecCommand(bool sysInfoUser, SNode* pStmt, SRetrieveTableRsp** pRsp) {
return execShowLocalVariables(pRsp);
case QUERY_NODE_SELECT_STMT:
return execSelectWithoutFrom((SSelectStmt*)pStmt, pRsp);
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
return execShowAliveStatus(pConnId, (SShowAliveStmt*)pStmt, pRsp);
default:
break;
}

4
source/libs/nodes/src/nodesCodeFuncs.c
View File

@ -173,6 +173,10 @@ const char* nodesNodeName(ENodeType type) {
return "BalanceVgroupStmt";
case QUERY_NODE_MERGE_VGROUP_STMT:
return "MergeVgroupStmt";
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
return "ShowDbAliveStmt";
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
return "ShowClusterAliveStmt";
case QUERY_NODE_REDISTRIBUTE_VGROUP_STMT:
return "RedistributeVgroupStmt";
case QUERY_NODE_SPLIT_VGROUP_STMT:

5
source/libs/nodes/src/nodesUtilFuncs.c
View File

@ -434,6 +434,9 @@ SNode* nodesMakeNode(ENodeType type) {
return makeNode(type, sizeof(SShowDnodeVariablesStmt));
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
return makeNode(type, sizeof(SShowCreateDatabaseStmt));
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
return makeNode(type, sizeof(SShowAliveStmt));
case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
return makeNode(type, sizeof(SShowCreateTableStmt));
@ -960,6 +963,8 @@ void nodesDestroyNode(SNode* pNode) {
case QUERY_NODE_SHOW_USERS_STMT:
case QUERY_NODE_SHOW_LICENCES_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
case QUERY_NODE_SHOW_TOPICS_STMT:
case QUERY_NODE_SHOW_CONSUMERS_STMT:
case QUERY_NODE_SHOW_CONNECTIONS_STMT:

1
source/libs/parser/inc/parAst.h
View File

@ -176,6 +176,7 @@ SNode* createShowStmt(SAstCreateContext* pCxt, ENodeType type);
SNode* createShowStmtWithCond(SAstCreateContext* pCxt, ENodeType type, SNode* pDbName, SNode* pTbName,
EOperatorType tableCondType);
SNode* createShowCreateDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName);
SNode* createShowAliveStmt(SAstCreateContext* pCxt, SNode* pDbName, ENodeType type);
SNode* createShowCreateTableStmt(SAstCreateContext* pCxt, ENodeType type, SNode* pRealTable);
SNode* createShowTableDistributedStmt(SAstCreateContext* pCxt, SNode* pRealTable);
SNode* createShowDnodeVariablesStmt(SAstCreateContext* pCxt, SNode* pDnodeId, SNode* pLikePattern);

3
source/libs/parser/inc/sql.y
View File

@ -433,6 +433,9 @@ cmd ::= SHOW TAGS FROM table_name_cond(A) from_db_opt(B).
cmd ::= SHOW TABLE TAGS tag_list_opt(C) FROM table_name_cond(A) from_db_opt(B). { pCxt->pRootNode = createShowTableTagsStmt(pCxt, A, B, C); }
cmd ::= SHOW VNODES NK_INTEGER(A). { pCxt->pRootNode = createShowVnodesStmt(pCxt, createValueNode(pCxt, TSDB_DATA_TYPE_BIGINT, &A), NULL); }
cmd ::= SHOW VNODES NK_STRING(A). { pCxt->pRootNode = createShowVnodesStmt(pCxt, NULL, createValueNode(pCxt, TSDB_DATA_TYPE_VARCHAR, &A)); }
// show alive
cmd ::= SHOW db_name_cond_opt(A) ALIVE. { pCxt->pRootNode = createShowAliveStmt(pCxt, A, QUERY_NODE_SHOW_DB_ALIVE_STMT); }
cmd ::= SHOW CLUSTER ALIVE. { pCxt->pRootNode = createShowAliveStmt(pCxt, NULL, QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT); }
db_name_cond_opt(A) ::= . { A = createDefaultDatabaseCondValue(pCxt); }
db_name_cond_opt(A) ::= db_name(B) NK_DOT. { A = createIdentifierValueNode(pCxt, &B); }

32
source/libs/parser/src/parAstCreater.c
View File

@ -1370,6 +1370,38 @@ SNode* createShowCreateDatabaseStmt(SAstCreateContext* pCxt, SToken* pDbName) {
return (SNode*)pStmt;
}
SNode* createShowAliveStmt(SAstCreateContext* pCxt, SNode* pNode, ENodeType type) {
CHECK_PARSER_STATUS(pCxt);
SToken dbToken = {0};
SToken* pDbToken = NULL;
if (pNode) {
SValueNode* pDbName = (SValueNode*)pNode;
if (pDbName->literal) {
dbToken.z = pDbName->literal;
dbToken.n = strlen(pDbName->literal);
pDbToken = &dbToken;
}
}
if (pDbToken && !checkDbName(pCxt, pDbToken, true)) {
nodesDestroyNode(pNode);
return NULL;
}
SShowAliveStmt* pStmt = (SShowAliveStmt*)nodesMakeNode(type);
CHECK_OUT_OF_MEM(pStmt);
if (pDbToken) {
COPY_STRING_FORM_ID_TOKEN(pStmt->dbName, pDbToken);
}
if (pNode) {
nodesDestroyNode(pNode);
}
return (SNode*)pStmt;
}
SNode* createShowCreateTableStmt(SAstCreateContext* pCxt, ENodeType type, SNode* pRealTable) {
CHECK_PARSER_STATUS(pCxt);
SShowCreateTableStmt* pStmt = (SShowCreateTableStmt*)nodesMakeNode(type);

2
source/libs/parser/src/parAuthenticator.c
View File

@ -145,6 +145,8 @@ static int32_t authQuery(SAuthCxt* pCxt, SNode* pStmt) {
case QUERY_NODE_SHOW_CLUSTER_STMT:
case QUERY_NODE_SHOW_LICENCES_STMT:
case QUERY_NODE_SHOW_VGROUPS_STMT:
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
case QUERY_NODE_SHOW_TABLE_DISTRIBUTED_STMT:
case QUERY_NODE_SHOW_VNODES_STMT:

1
source/libs/parser/src/parTokenizer.c
View File

@ -269,6 +269,7 @@ static SKeyword keywordTable[] = {
{"_WDURATION", TK_WDURATION},
{"_WEND", TK_WEND},
{"_WSTART", TK_WSTART},
{"ALIVE", TK_ALIVE},
};
// clang-format on

19
source/libs/parser/src/parTranslater.c
View File

@ -6229,6 +6229,20 @@ static int32_t extractShowCreateDatabaseResultSchema(int32_t* numOfCols, SSchema
return TSDB_CODE_SUCCESS;
}
static int32_t extractShowAliveResultSchema(int32_t* numOfCols, SSchema** pSchema) {
*numOfCols = 1;
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
if (NULL == (*pSchema)) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pSchema)[0].type = TSDB_DATA_TYPE_INT;
(*pSchema)[0].bytes = sizeof(int32_t);
strcpy((*pSchema)[0].name, "status");
return TSDB_CODE_SUCCESS;
}
static int32_t extractShowCreateTableResultSchema(int32_t* numOfCols, SSchema** pSchema) {
*numOfCols = 2;
*pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
@ -6280,6 +6294,9 @@ int32_t extractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pS
return extractDescribeResultSchema(numOfCols, pSchema);
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
return extractShowCreateDatabaseResultSchema(numOfCols, pSchema);
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
return extractShowAliveResultSchema(numOfCols, pSchema);
case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
return extractShowCreateTableResultSchema(numOfCols, pSchema);
@ -7799,6 +7816,8 @@ static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
break;
case QUERY_NODE_DESCRIBE_STMT:
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
case QUERY_NODE_SHOW_DB_ALIVE_STMT:
case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
case QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT:

6593
source/libs/parser/src/sql.c
View File

File diff suppressed because it is too large Load Diff

2
tools/shell/src/shellAuto.c
View File

@ -138,6 +138,7 @@ SWords shellCommands[] = {
{"show create table <tb_name> \\G;", 0, 0, NULL},
{"show connections;", 0, 0, NULL},
{"show cluster;", 0, 0, NULL},
{"show cluster alive;", 0, 0, NULL},
{"show databases;", 0, 0, NULL},
{"show dnodes;", 0, 0, NULL},
{"show dnode <dnode_id> variables;", 0, 0, NULL},
@ -425,6 +426,7 @@ void showHelp() {
show create table <tb_name>;\n\
show connections;\n\
show cluster;\n\
show cluster alive;\n\
show databases;\n\
show dnodes;\n\
show dnode <dnode_id> variables;\n\