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[td-225]fix crash in parsing the following sql: create table t1 as select count(*);

This commit is contained in:
Haojun Liao 2020-05-24 22:44:21 +08:00
parent f8564866c9
commit 5f3fce3577
1 changed files with 7 additions and 7 deletions
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14
src/client/src/tscSQLParser.c
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@ -5337,13 +5337,6 @@ int32_t doLocalQueryProcess(SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql) {
} }
} }
SColumnIndex ind = {0};
SSqlExpr* pExpr1 = tscSqlExprAppend(pQueryInfo, TSDB_FUNC_TAG_DUMMY, &ind, TSDB_DATA_TYPE_INT,
tDataTypeDesc[TSDB_DATA_TYPE_INT].nSize, tDataTypeDesc[TSDB_DATA_TYPE_INT].nSize, false);
const char* name = (pExprList->a[0].aliasName != NULL)? pExprList->a[0].aliasName:functionsInfo[index].name;
strncpy(pExpr1->aliasName, name, tListLen(pExpr1->aliasName));
switch (index) { switch (index) {
case 0: case 0:
pQueryInfo->command = TSDB_SQL_CURRENT_DB; pQueryInfo->command = TSDB_SQL_CURRENT_DB;
@ -5362,6 +5355,13 @@ int32_t doLocalQueryProcess(SQueryInfo* pQueryInfo, SQuerySQL* pQuerySql) {
return TSDB_CODE_SUCCESS; return TSDB_CODE_SUCCESS;
default: { return invalidSqlErrMsg(pQueryInfo->msg, msg3); } default: { return invalidSqlErrMsg(pQueryInfo->msg, msg3); }
} }
SColumnIndex ind = {0};
SSqlExpr* pExpr1 = tscSqlExprAppend(pQueryInfo, TSDB_FUNC_TAG_DUMMY, &ind, TSDB_DATA_TYPE_INT,
tDataTypeDesc[TSDB_DATA_TYPE_INT].nSize, tDataTypeDesc[TSDB_DATA_TYPE_INT].nSize, false);
const char* name = (pExprList->a[0].aliasName != NULL)? pExprList->a[0].aliasName:functionsInfo[index].name;
strncpy(pExpr1->aliasName, name, tListLen(pExpr1->aliasName));
} }
// can only perform the parameters based on the macro definitation // can only perform the parameters based on the macro definitation