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Merge pull request #22130 from taosdata/fix/TD-25270 

enh: support show create table for system tables
This commit is contained in:
dapan1121 2023-07-21 09:26:11 +08:00 committed by GitHub
parent fde8eabfd7 ded3ee67b3
commit d81727afa9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 32 additions and 4 deletions
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1
source/dnode/mnode/impl/inc/mndStb.h
View File

@ -39,6 +39,7 @@ int32_t mndBuildSMCreateStbRsp(SMnode *pMnode, char *dbFName, char *stbFName, vo
void mndExtractDbNameFromStbFullName(const char *stbFullName, char *dst);
void mndExtractShortDbNameFromStbFullName(const char *stbFullName, char *dst);
void mndExtractShortDbNameFromDbFullName(const char *stbFullName, char *dst);
void mndExtractTbNameFromStbFullName(const char *stbFullName, char *dst, int32_t dstSize);
const char *mndGetStbStr(const char *src);

13
source/dnode/mnode/impl/src/mndStb.c
View File

@ -2498,12 +2498,14 @@ static int32_t mndProcessTableCfgReq(SRpcMsg *pReq) {
goto _OVER;
}
if (0 == strcmp(cfgReq.dbFName, TSDB_INFORMATION_SCHEMA_DB)) {
char dbName[TSDB_DB_NAME_LEN] = {0};
mndExtractShortDbNameFromDbFullName(cfgReq.dbFName, dbName);
if (0 == strcmp(dbName, TSDB_INFORMATION_SCHEMA_DB)) {
mInfo("information_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName);
if (mndBuildInsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) {
goto _OVER;
}
} else if (0 == strcmp(cfgReq.dbFName, TSDB_PERFORMANCE_SCHEMA_DB)) {
} else if (0 == strcmp(dbName, TSDB_PERFORMANCE_SCHEMA_DB)) {
mInfo("performance_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName);
if (mndBuildPerfsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) {
goto _OVER;
@ -2672,6 +2674,13 @@ void mndExtractShortDbNameFromStbFullName(const char *stbFullName, char *dst) {
tNameGetDbName(&name, dst);
}
void mndExtractShortDbNameFromDbFullName(const char *stbFullName, char *dst) {
SName name = {0};
tNameFromString(&name, stbFullName, T_NAME_ACCT | T_NAME_DB);
tNameGetDbName(&name, dst);
}
void mndExtractTbNameFromStbFullName(const char *stbFullName, char *dst, int32_t dstSize) {
int32_t pos = -1;
int32_t num = 0;

4
source/libs/catalog/src/ctgAsync.c
View File

@ -2090,7 +2090,7 @@ int32_t ctgLaunchGetTbCfgTask(SCtgTask* pTask) {
}
CTG_CACHE_NHIT_INC(CTG_CI_TBL_CFG, 1);
if (pCtx->tbType <= 0) {
CTG_ERR_JRET(ctgReadTbTypeFromCache(pCtg, dbFName, pCtx->pName->tname, &pCtx->tbType));
if (pCtx->tbType <= 0) {
@ -2102,7 +2102,7 @@ int32_t ctgLaunchGetTbCfgTask(SCtgTask* pTask) {
}
}
if (TSDB_SUPER_TABLE == pCtx->tbType) {
if (TSDB_SUPER_TABLE == pCtx->tbType || TSDB_SYSTEM_TABLE == pCtx->tbType) {
CTG_ERR_JRET(ctgGetTableCfgFromMnode(pCtg, pConn, pCtx->pName, NULL, pTask));
} else {
if (NULL == pCtx->pVgInfo) {

18
tests/system-test/0-others/show.py
View File

@ -95,6 +95,23 @@ class TDTestCase:
tdSql.checkEqual(f'{db}',tdSql.queryResult[0][0])
tdSql.checkEqual(f'CREATE DATABASE `{db}`',tdSql.queryResult[0][1])
def show_create_systb_sql(self):
for param in self.ins_param_list:
tdSql.query(f'show create table information_schema.ins_{param}')
tdSql.checkEqual(f'ins_{param}',tdSql.queryResult[0][0])
tdSql.execute(f'use information_schema')
tdSql.query(f'show create table ins_{param}')
tdSql.checkEqual(f'ins_{param}',tdSql.queryResult[0][0])
for param in self.perf_param_list:
tdSql.query(f'show create table performance_schema.perf_{param}')
tdSql.checkEqual(f'perf_{param}',tdSql.queryResult[0][0])
tdSql.execute(f'use performance_schema')
tdSql.query(f'show create table perf_{param}')
tdSql.checkEqual(f'perf_{param}',tdSql.queryResult[0][0])
def show_create_sql(self):
create_db_sql = self.set_create_database_sql(self.db_param)
print(create_db_sql)
@ -200,6 +217,7 @@ class TDTestCase:
self.perf_check()
self.show_create_sql()
self.show_create_sysdb_sql()
self.show_create_systb_sql()
def stop(self):
tdSql.close()