homework-jianmu/source/libs/function/src/tfunctionInt.c

72 lines
2.1 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "os.h"
#include "taosdef.h"
#include "thash.h"
#include "tmsg.h"
#include "ttypes.h"
#include "function.h"
#include "tbuffer.h"
#include "tcompression.h"
#include "tdatablock.h"
#include "tfunctionInt.h"
#include "thistogram.h"
#include "tpercentile.h"
#include "ttszip.h"
#include "tudf.h"
void cleanupResultRowEntry(struct SResultRowEntryInfo* pCell) { pCell->initialized = false; }
int32_t getNumOfResult(SqlFunctionCtx* pCtx, int32_t num, SSDataBlock* pResBlock) {
int32_t maxRows = 0;
for (int32_t j = 0; j < num; ++j) {
SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[j]);
if (pResInfo != NULL && maxRows < pResInfo->numOfRes) {
maxRows = pResInfo->numOfRes;
}
}
assert(maxRows >= 0);
blockDataEnsureCapacity(pResBlock, maxRows);
for (int32_t i = 0; i < num; ++i) {
SColumnInfoData* pCol = taosArrayGet(pResBlock->pDataBlock, i);
SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[i]);
if (pResInfo->numOfRes == 0) {
for (int32_t j = 0; j < pResInfo->numOfRes; ++j) {
colDataAppend(pCol, j, NULL, true); // TODO add set null data api
}
} else {
for (int32_t j = 0; j < pResInfo->numOfRes; ++j) {
colDataAppend(pCol, j, GET_ROWCELL_INTERBUF(pResInfo), false);
}
}
}
pResBlock->info.rows = maxRows;
return maxRows;
}
bool isRowEntryCompleted(struct SResultRowEntryInfo* pEntry) {
assert(pEntry != NULL);
return pEntry->complete;
}
bool isRowEntryInitialized(struct SResultRowEntryInfo* pEntry) { return pEntry->initialized; }