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feat: sql command 'show tags from table_name'

This commit is contained in:
Xiaoyu Wang 2022-07-19 16:25:45 +08:00
parent 6ab444016b
commit 1ad25d9e98
3 changed files with 9 additions and 8 deletions
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3
source/libs/function/src/builtins.c
View File

@ -1349,7 +1349,8 @@ static int32_t translateTail(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
SValueNode* pValue = (SValueNode*)pParamNode; SValueNode* pValue = (SValueNode*)pParamNode;
if (pValue->datum.i < ((i > 1) ? 0 : 1) || pValue->datum.i > 100) { if ((IS_SIGNED_NUMERIC_TYPE(pValue->node.resType.type) ? pValue->datum.i : pValue->datum.u) < ((i > 1) ? 0 : 1) ||
(IS_SIGNED_NUMERIC_TYPE(pValue->node.resType.type) ? pValue->datum.i : pValue->datum.u) > 100) {
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR, return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
"TAIL function second parameter should be in range [1, 100], " "TAIL function second parameter should be in range [1, 100], "
"third parameter should be in range [0, 100]"); "third parameter should be in range [0, 100]");

7
source/libs/function/src/builtinsimpl.c
View File

@ -2439,7 +2439,8 @@ bool apercentileFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResult
SAPercentileInfo* pInfo = GET_ROWCELL_INTERBUF(pResultInfo); SAPercentileInfo* pInfo = GET_ROWCELL_INTERBUF(pResultInfo);
SVariant* pVal = &pCtx->param[1].param; SVariant* pVal = &pCtx->param[1].param;
pInfo->percent = (pVal->nType == TSDB_DATA_TYPE_BIGINT) ? pVal->i : pVal->d; pInfo->percent =
(IS_SIGNED_NUMERIC_TYPE(pVal->nType) ? pVal->i : (IS_UNSIGNED_NUMERIC_TYPE(pVal->nType) ? pVal->u : pVal->d));
if (pCtx->numOfParams == 2) { if (pCtx->numOfParams == 2) {
pInfo->algo = APERCT_ALGO_DEFAULT; pInfo->algo = APERCT_ALGO_DEFAULT;
@ -2640,9 +2641,7 @@ int32_t apercentileCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx)
return TSDB_CODE_SUCCESS; return TSDB_CODE_SUCCESS;
} }
int32_t getFirstLastInfoSize(int32_t resBytes) { int32_t getFirstLastInfoSize(int32_t resBytes) { return sizeof(SFirstLastRes) + resBytes; }
return sizeof(SFirstLastRes) + resBytes;
}
bool getFirstLastFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) { bool getFirstLastFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
SColumnNode* pNode = (SColumnNode*)nodesListGetNode(pFunc->pParameterList, 0); SColumnNode* pNode = (SColumnNode*)nodesListGetNode(pFunc->pParameterList, 0);

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

@ -402,6 +402,7 @@ SNode* createOperatorNode(SAstCreateContext* pCxt, EOperatorType type, SNode* pL
} }
taosMemoryFree(pVal->literal); taosMemoryFree(pVal->literal);
pVal->literal = pNewLiteral; pVal->literal = pNewLiteral;
pVal->node.resType.type = TSDB_DATA_TYPE_BIGINT;
return pLeft; return pLeft;
} }
SOperatorNode* op = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR); SOperatorNode* op = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR);