1238 lines
46 KiB
C
1238 lines
46 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "catalog.h"
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#include "command.h"
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#include "commandInt.h"
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#include "decimal.h"
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#include "scheduler.h"
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#include "systable.h"
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#include "taosdef.h"
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#include "tdatablock.h"
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#include "tdataformat.h"
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#include "tglobal.h"
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#include "tgrant.h"
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#define COL_DATA_SET_VAL_AND_CHECK(pCol, rows, buf, isNull) \
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do { \
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int _code = colDataSetVal(pCol, rows, buf, isNull); \
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if (TSDB_CODE_SUCCESS != _code) { \
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terrno = _code; \
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return _code; \
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} \
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} while (0)
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extern SConfig* tsCfg;
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static int32_t buildRetrieveTableRsp(SSDataBlock* pBlock, int32_t numOfCols, SRetrieveTableRsp** pRsp) {
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if (NULL == pBlock || NULL == pRsp) {
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return TSDB_CODE_INVALID_PARA;
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}
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size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);
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size_t rspSize = sizeof(SRetrieveTableRsp) + dataEncodeBufSize + PAYLOAD_PREFIX_LEN;
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*pRsp = taosMemoryCalloc(1, rspSize);
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if (NULL == *pRsp) {
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return terrno;
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}
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(*pRsp)->useconds = 0;
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(*pRsp)->completed = 1;
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(*pRsp)->precision = 0;
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(*pRsp)->compressed = 0;
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(*pRsp)->numOfRows = htobe64((int64_t)pBlock->info.rows);
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(*pRsp)->numOfCols = htonl(numOfCols);
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int32_t len = 0;
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if (pBlock->info.rows > 0) {
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len = blockEncode(pBlock, (*pRsp)->data + PAYLOAD_PREFIX_LEN, dataEncodeBufSize, numOfCols);
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if (len < 0) {
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taosMemoryFree(*pRsp);
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*pRsp = NULL;
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return terrno;
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}
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SET_PAYLOAD_LEN((*pRsp)->data, len, len);
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}
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int32_t payloadLen = len + PAYLOAD_PREFIX_LEN;
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(*pRsp)->payloadLen = htonl(payloadLen);
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(*pRsp)->compLen = htonl(payloadLen);
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return TSDB_CODE_SUCCESS;
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}
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static int32_t getSchemaBytes(const SSchema* pSchema) {
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switch (pSchema->type) {
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case TSDB_DATA_TYPE_BINARY:
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case TSDB_DATA_TYPE_VARBINARY:
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case TSDB_DATA_TYPE_GEOMETRY:
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return (pSchema->bytes - VARSTR_HEADER_SIZE);
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case TSDB_DATA_TYPE_NCHAR:
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case TSDB_DATA_TYPE_JSON:
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return (pSchema->bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE;
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default:
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return pSchema->bytes;
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}
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}
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static int32_t buildDescResultDataBlock(SSDataBlock** pOutput) {
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QRY_PARAM_CHECK(pOutput);
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SSDataBlock* pBlock = NULL;
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int32_t code = createDataBlock(&pBlock);
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if (code) {
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return code;
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}
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SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_FIELD_LEN, 1);
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code = blockDataAppendColInfo(pBlock, &infoData);
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_TYPE_LEN, 2);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_INT, tDataTypes[TSDB_DATA_TYPE_INT].bytes, 3);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_NOTE_LEN, 4);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_COPRESS_OPTION_LEN, 5);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_COPRESS_OPTION_LEN, 6);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_COPRESS_OPTION_LEN, 7);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, DESCRIBE_RESULT_COL_REF_LEN, 8);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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*pOutput = pBlock;
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} else {
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(void)blockDataDestroy(pBlock);
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}
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return code;
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}
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static int32_t setDescResultIntoDataBlock(bool sysInfoUser, SSDataBlock* pBlock, int32_t numOfRows, STableMeta* pMeta,
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int8_t biMode) {
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int32_t blockCap = (biMode != 0) ? numOfRows + 1 : numOfRows;
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QRY_ERR_RET(blockDataEnsureCapacity(pBlock, blockCap));
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pBlock->info.rows = 0;
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// field
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SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
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// Type
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SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
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// Length
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SColumnInfoData* pCol3 = taosArrayGet(pBlock->pDataBlock, 2);
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// Note
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SColumnInfoData* pCol4 = taosArrayGet(pBlock->pDataBlock, 3);
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// encode
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SColumnInfoData* pCol5 = NULL;
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// compress
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SColumnInfoData* pCol6 = NULL;
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// level
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SColumnInfoData* pCol7 = NULL;
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// colref
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SColumnInfoData* pCol8 = NULL;
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if (withExtSchema(pMeta->tableType)) {
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pCol5 = taosArrayGet(pBlock->pDataBlock, 4);
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pCol6 = taosArrayGet(pBlock->pDataBlock, 5);
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pCol7 = taosArrayGet(pBlock->pDataBlock, 6);
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}
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if (hasRefCol(pMeta->tableType)) {
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pCol5 = taosArrayGet(pBlock->pDataBlock, 4);
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}
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int32_t fillTagCol = 0;
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char buf[DESCRIBE_RESULT_FIELD_LEN] = {0};
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for (int32_t i = 0; i < numOfRows; ++i) {
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if (invisibleColumn(sysInfoUser, pMeta->tableType, pMeta->schema[i].flags)) {
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continue;
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}
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STR_TO_VARSTR(buf, pMeta->schema[i].name);
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COL_DATA_SET_VAL_AND_CHECK(pCol1, pBlock->info.rows, buf, false);
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if (IS_DECIMAL_TYPE(pMeta->schema[i].type) && withExtSchema(pMeta->tableType)) {
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uint8_t prec = 0, scale = 0;
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decimalFromTypeMod(pMeta->schemaExt[i].typeMod, &prec, &scale);
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size_t len = snprintf(buf + VARSTR_HEADER_SIZE, DESCRIBE_RESULT_FIELD_LEN - VARSTR_HEADER_SIZE, "%s(%hhu, %hhu)",
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tDataTypes[pMeta->schema[i].type].name, prec, scale);
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varDataSetLen(buf, len);
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} else {
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STR_TO_VARSTR(buf, tDataTypes[pMeta->schema[i].type].name);
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}
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COL_DATA_SET_VAL_AND_CHECK(pCol2, pBlock->info.rows, buf, false);
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int32_t bytes = getSchemaBytes(pMeta->schema + i);
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COL_DATA_SET_VAL_AND_CHECK(pCol3, pBlock->info.rows, (const char*)&bytes, false);
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if (TSDB_VIEW_TABLE != pMeta->tableType) {
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if (i >= pMeta->tableInfo.numOfColumns) {
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STR_TO_VARSTR(buf, "TAG");
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fillTagCol = 1;
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} else if (i == 1 && pMeta->schema[i].flags & COL_IS_KEY) {
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STR_TO_VARSTR(buf, "PRIMARY KEY")
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} else {
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STR_TO_VARSTR(buf, "");
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}
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} else {
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STR_TO_VARSTR(buf, "VIEW COL");
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}
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COL_DATA_SET_VAL_AND_CHECK(pCol4, pBlock->info.rows, buf, false);
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if (withExtSchema(pMeta->tableType) && pMeta->schemaExt) {
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if (i < pMeta->tableInfo.numOfColumns) {
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STR_TO_VARSTR(buf, columnEncodeStr(COMPRESS_L1_TYPE_U32(pMeta->schemaExt[i].compress)));
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COL_DATA_SET_VAL_AND_CHECK(pCol5, pBlock->info.rows, buf, false);
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STR_TO_VARSTR(buf, columnCompressStr(COMPRESS_L2_TYPE_U32(pMeta->schemaExt[i].compress)));
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COL_DATA_SET_VAL_AND_CHECK(pCol6, pBlock->info.rows, buf, false);
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STR_TO_VARSTR(buf, columnLevelStr(COMPRESS_L2_TYPE_LEVEL_U32(pMeta->schemaExt[i].compress)));
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COL_DATA_SET_VAL_AND_CHECK(pCol7, pBlock->info.rows, buf, false);
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} else {
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STR_TO_VARSTR(buf, fillTagCol == 0 ? "" : "disabled");
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COL_DATA_SET_VAL_AND_CHECK(pCol5, pBlock->info.rows, buf, false);
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STR_TO_VARSTR(buf, fillTagCol == 0 ? "" : "disabled");
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COL_DATA_SET_VAL_AND_CHECK(pCol6, pBlock->info.rows, buf, false);
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STR_TO_VARSTR(buf, fillTagCol == 0 ? "" : "disabled");
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COL_DATA_SET_VAL_AND_CHECK(pCol7, pBlock->info.rows, buf, false);
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}
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} else if (hasRefCol(pMeta->tableType) && pMeta->colRef) {
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if (i < pMeta->numOfColRefs) {
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if (pMeta->colRef[i].hasRef) {
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char refColName[TSDB_DB_NAME_LEN + TSDB_NAME_DELIMITER_LEN + TSDB_COL_FNAME_LEN] = {0};
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strcat(refColName, pMeta->colRef[i].refDbName);
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strcat(refColName, ".");
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strcat(refColName, pMeta->colRef[i].refTableName);
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strcat(refColName, ".");
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strcat(refColName, pMeta->colRef[i].refColName);
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STR_TO_VARSTR(buf, refColName);
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} else {
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STR_TO_VARSTR(buf, "");
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}
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COL_DATA_SET_VAL_AND_CHECK(pCol5, pBlock->info.rows, buf, false);
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} else {
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STR_TO_VARSTR(buf, "");
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COL_DATA_SET_VAL_AND_CHECK(pCol5, pBlock->info.rows, buf, false);
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}
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}
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fillTagCol = 0;
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++(pBlock->info.rows);
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}
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if (pMeta->tableType == TSDB_SUPER_TABLE && biMode != 0) {
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STR_TO_VARSTR(buf, "tbname");
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COL_DATA_SET_VAL_AND_CHECK(pCol1, pBlock->info.rows, buf, false);
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STR_TO_VARSTR(buf, "VARCHAR");
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COL_DATA_SET_VAL_AND_CHECK(pCol2, pBlock->info.rows, buf, false);
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int32_t bytes = TSDB_TABLE_NAME_LEN - 1;
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COL_DATA_SET_VAL_AND_CHECK(pCol3, pBlock->info.rows, (const char*)&bytes, false);
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STR_TO_VARSTR(buf, "TAG");
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COL_DATA_SET_VAL_AND_CHECK(pCol4, pBlock->info.rows, buf, false);
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++(pBlock->info.rows);
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}
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if (pBlock->info.rows <= 0) {
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qError("no permission to view any columns");
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return TSDB_CODE_PAR_PERMISSION_DENIED;
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}
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return TSDB_CODE_SUCCESS;
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}
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static int32_t execDescribe(bool sysInfoUser, SNode* pStmt, SRetrieveTableRsp** pRsp, int8_t biMode) {
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SDescribeStmt* pDesc = (SDescribeStmt*)pStmt;
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if (NULL == pDesc || NULL == pDesc->pMeta) {
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return TSDB_CODE_INVALID_PARA;
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}
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int32_t numOfRows = TABLE_TOTAL_COL_NUM(pDesc->pMeta);
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SSDataBlock* pBlock = NULL;
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int32_t code = buildDescResultDataBlock(&pBlock);
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if (TSDB_CODE_SUCCESS == code) {
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code = setDescResultIntoDataBlock(sysInfoUser, pBlock, numOfRows, pDesc->pMeta, biMode);
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}
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if (TSDB_CODE_SUCCESS == code) {
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if (pDesc->pMeta) {
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if (withExtSchema(pDesc->pMeta->tableType) && pDesc->pMeta->schemaExt) {
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code = buildRetrieveTableRsp(pBlock, DESCRIBE_RESULT_COLS_COMPRESS, pRsp);
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} else if (hasRefCol(pDesc->pMeta->tableType) && pDesc->pMeta->colRef) {
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code = buildRetrieveTableRsp(pBlock, DESCRIBE_RESULT_COLS_REF, pRsp);
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} else {
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code = buildRetrieveTableRsp(pBlock, DESCRIBE_RESULT_COLS, pRsp);
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}
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} else {
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code = buildRetrieveTableRsp(pBlock, DESCRIBE_RESULT_COLS, pRsp);
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}
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}
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(void)blockDataDestroy(pBlock);
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return code;
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}
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static int32_t execResetQueryCache() { return catalogClearCache(); }
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static int32_t buildCreateDBResultDataBlock(SSDataBlock** pOutput) {
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QRY_PARAM_CHECK(pOutput);
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SSDataBlock* pBlock = NULL;
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int32_t code = createDataBlock(&pBlock);
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if (code) {
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return code;
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}
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SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_DB_RESULT_COLS, 1);
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code = blockDataAppendColInfo(pBlock, &infoData);
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if (TSDB_CODE_SUCCESS == code) {
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infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_DB_RESULT_FIELD2_LEN, 2);
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code = blockDataAppendColInfo(pBlock, &infoData);
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}
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if (TSDB_CODE_SUCCESS == code) {
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*pOutput = pBlock;
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} else {
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(void)blockDataDestroy(pBlock);
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}
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return code;
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}
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int64_t getValOfDiffPrecision(int8_t unit, int64_t val) {
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int64_t v = 0;
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switch (unit) {
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case 's':
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v = val / 1000;
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break;
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case 'm':
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v = val / tsTickPerMin[TSDB_TIME_PRECISION_MILLI];
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break;
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case 'h':
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v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 60);
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break;
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case 'd':
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v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60);
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break;
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case 'w':
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v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60 * 7);
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break;
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default:
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break;
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}
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return v;
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}
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static int32_t buildRetension(SArray* pRetension, char** ppRetentions) {
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size_t size = taosArrayGetSize(pRetension);
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if (size == 0) {
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*ppRetentions = NULL;
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return TSDB_CODE_SUCCESS;
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}
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const int lMaxLen = 128;
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char* p1 = taosMemoryCalloc(1, lMaxLen);
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if (NULL == p1) {
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return terrno;
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}
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int32_t len = 0;
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for (int32_t i = 0; i < size; ++i) {
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SRetention* p = TARRAY_GET_ELEM(pRetension, i);
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int64_t v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
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int64_t v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
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if (i == 0) {
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len += tsnprintf(p1 + len, lMaxLen - len, "-:%" PRId64 "%c", v2, p->keepUnit);
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} else {
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len += tsnprintf(p1 + len, lMaxLen - len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
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}
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if (i < size - 1) {
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len += tsnprintf(p1 + len, lMaxLen - len, ",");
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}
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}
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*ppRetentions = p1;
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return TSDB_CODE_SUCCESS;
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}
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static const char* cacheModelStr(int8_t cacheModel) {
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switch (cacheModel) {
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case TSDB_CACHE_MODEL_NONE:
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return TSDB_CACHE_MODEL_NONE_STR;
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case TSDB_CACHE_MODEL_LAST_ROW:
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return TSDB_CACHE_MODEL_LAST_ROW_STR;
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case TSDB_CACHE_MODEL_LAST_VALUE:
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return TSDB_CACHE_MODEL_LAST_VALUE_STR;
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case TSDB_CACHE_MODEL_BOTH:
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return TSDB_CACHE_MODEL_BOTH_STR;
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default:
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break;
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}
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return TSDB_CACHE_MODEL_NONE_STR;
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}
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static const char* encryptAlgorithmStr(int8_t encryptAlgorithm) {
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switch (encryptAlgorithm) {
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case TSDB_ENCRYPT_ALGO_NONE:
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return TSDB_ENCRYPT_ALGO_NONE_STR;
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case TSDB_ENCRYPT_ALGO_SM4:
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return TSDB_ENCRYPT_ALGO_SM4_STR;
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default:
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break;
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}
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return TSDB_CACHE_MODEL_NONE_STR;
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}
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int32_t formatDurationOrKeep(char* buffer, int64_t bufSize, int32_t timeInMinutes) {
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if (buffer == NULL || bufSize <= 0) {
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return 0;
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}
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int32_t len = 0;
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if (timeInMinutes % 1440 == 0) {
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int32_t days = timeInMinutes / 1440;
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len = tsnprintf(buffer, bufSize, "%dd", days);
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} else if (timeInMinutes % 60 == 0) {
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int32_t hours = timeInMinutes / 60;
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len = tsnprintf(buffer, bufSize, "%dh", hours);
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} else {
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len = tsnprintf(buffer, bufSize, "%dm", timeInMinutes);
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}
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return len;
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}
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static int32_t setCreateDBResultIntoDataBlock(SSDataBlock* pBlock, char* dbName, char* dbFName, SDbCfgInfo* pCfg) {
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QRY_ERR_RET(blockDataEnsureCapacity(pBlock, 1));
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pBlock->info.rows = 1;
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|
|
SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
|
|
char buf1[SHOW_CREATE_DB_RESULT_FIELD1_LEN] = {0};
|
|
STR_TO_VARSTR(buf1, dbName);
|
|
COL_DATA_SET_VAL_AND_CHECK(pCol1, 0, buf1, false);
|
|
|
|
SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
|
|
char buf2[SHOW_CREATE_DB_RESULT_FIELD2_LEN] = {0};
|
|
int32_t len = 0;
|
|
char* prec = NULL;
|
|
switch (pCfg->precision) {
|
|
case TSDB_TIME_PRECISION_MILLI:
|
|
prec = TSDB_TIME_PRECISION_MILLI_STR;
|
|
break;
|
|
case TSDB_TIME_PRECISION_MICRO:
|
|
prec = TSDB_TIME_PRECISION_MICRO_STR;
|
|
break;
|
|
case TSDB_TIME_PRECISION_NANO:
|
|
prec = TSDB_TIME_PRECISION_NANO_STR;
|
|
break;
|
|
default:
|
|
prec = "none";
|
|
break;
|
|
}
|
|
|
|
char* pRetentions = NULL;
|
|
QRY_ERR_RET(buildRetension(pCfg->pRetensions, &pRetentions));
|
|
int32_t dbFNameLen = strlen(dbFName);
|
|
int32_t hashPrefix = 0;
|
|
if (pCfg->hashPrefix > 0) {
|
|
hashPrefix = pCfg->hashPrefix - dbFNameLen - 1;
|
|
} else if (pCfg->hashPrefix < 0) {
|
|
hashPrefix = pCfg->hashPrefix + dbFNameLen + 1;
|
|
}
|
|
char durationStr[128] = {0};
|
|
char keep0Str[128] = {0};
|
|
char keep1Str[128] = {0};
|
|
char keep2Str[128] = {0};
|
|
char compactIntervalStr[13] = {0};
|
|
char compactStartTimeStr[13] = {0};
|
|
char compactEndTimeStr[13] = {0};
|
|
|
|
int32_t lenDuration = formatDurationOrKeep(durationStr, sizeof(durationStr), pCfg->daysPerFile);
|
|
int32_t lenKeep0 = formatDurationOrKeep(keep0Str, sizeof(keep0Str), pCfg->daysToKeep0);
|
|
int32_t lenKeep1 = formatDurationOrKeep(keep1Str, sizeof(keep1Str), pCfg->daysToKeep1);
|
|
int32_t lenKeep2 = formatDurationOrKeep(keep2Str, sizeof(keep2Str), pCfg->daysToKeep2);
|
|
UNUSED(formatDurationOrKeep(compactIntervalStr, sizeof(compactIntervalStr), pCfg->compactInterval));
|
|
UNUSED(formatDurationOrKeep(compactStartTimeStr, sizeof(compactStartTimeStr), pCfg->compactStartTime));
|
|
UNUSED(formatDurationOrKeep(compactEndTimeStr, sizeof(compactEndTimeStr), pCfg->compactEndTime));
|
|
|
|
if (IS_SYS_DBNAME(dbName)) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_DB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE DATABASE `%s`", dbName);
|
|
} else {
|
|
len +=
|
|
tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_DB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE DATABASE `%s` BUFFER %d CACHESIZE %d CACHEMODEL '%s' COMP %d DURATION %s "
|
|
"WAL_FSYNC_PERIOD %d MAXROWS %d MINROWS %d STT_TRIGGER %d KEEP %s,%s,%s PAGES %d PAGESIZE %d "
|
|
"PRECISION '%s' REPLICA %d "
|
|
"WAL_LEVEL %d VGROUPS %d SINGLE_STABLE %d TABLE_PREFIX %d TABLE_SUFFIX %d TSDB_PAGESIZE %d "
|
|
"WAL_RETENTION_PERIOD %d WAL_RETENTION_SIZE %" PRId64
|
|
" KEEP_TIME_OFFSET %d ENCRYPT_ALGORITHM '%s' S3_CHUNKPAGES %d S3_KEEPLOCAL %dm S3_COMPACT %d "
|
|
"COMPACT_INTERVAL %s COMPACT_TIME_RANGE %s,%s COMPACT_TIME_OFFSET %"PRIi8 "h",
|
|
dbName, pCfg->buffer, pCfg->cacheSize, cacheModelStr(pCfg->cacheLast), pCfg->compression, durationStr,
|
|
pCfg->walFsyncPeriod, pCfg->maxRows, pCfg->minRows, pCfg->sstTrigger, keep0Str, keep1Str, keep2Str,
|
|
pCfg->pages, pCfg->pageSize, prec, pCfg->replications, pCfg->walLevel, pCfg->numOfVgroups,
|
|
1 == pCfg->numOfStables, hashPrefix, pCfg->hashSuffix, pCfg->tsdbPageSize, pCfg->walRetentionPeriod,
|
|
pCfg->walRetentionSize, pCfg->keepTimeOffset, encryptAlgorithmStr(pCfg->encryptAlgorithm),
|
|
pCfg->s3ChunkSize, pCfg->s3KeepLocal, pCfg->s3Compact, compactIntervalStr, compactStartTimeStr,
|
|
compactEndTimeStr, pCfg->compactTimeOffset);
|
|
|
|
if (pRetentions) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_DB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
" RETENTIONS %s", pRetentions);
|
|
}
|
|
}
|
|
|
|
taosMemoryFree(pRetentions);
|
|
|
|
(varDataLen(buf2)) = len;
|
|
|
|
COL_DATA_SET_VAL_AND_CHECK(pCol2, 0, buf2, false);
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t execShowCreateDatabase(SShowCreateDatabaseStmt* pStmt, SRetrieveTableRsp** pRsp) {
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = buildCreateDBResultDataBlock(&pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = setCreateDBResultIntoDataBlock(pBlock, pStmt->dbName, pStmt->dbFName, pStmt->pCfg);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, SHOW_CREATE_DB_RESULT_COLS, pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
static int32_t buildCreateTbResultDataBlock(SSDataBlock** pOutput) {
|
|
QRY_PARAM_CHECK(pOutput);
|
|
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = createDataBlock(&pBlock);
|
|
if (code) {
|
|
return code;
|
|
}
|
|
|
|
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_TB_RESULT_FIELD1_LEN, 1);
|
|
code = blockDataAppendColInfo(pBlock, &infoData);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_TB_RESULT_FIELD2_LEN, 2);
|
|
code = blockDataAppendColInfo(pBlock, &infoData);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pOutput = pBlock;
|
|
} else {
|
|
(void)blockDataDestroy(pBlock);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int32_t buildCreateViewResultDataBlock(SSDataBlock** pOutput) {
|
|
QRY_PARAM_CHECK(pOutput);
|
|
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = createDataBlock(&pBlock);
|
|
if (code) {
|
|
return code;
|
|
}
|
|
|
|
SColumnInfoData infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_VIEW_RESULT_FIELD1_LEN, 1);
|
|
code = blockDataAppendColInfo(pBlock, &infoData);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
infoData = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, SHOW_CREATE_VIEW_RESULT_FIELD2_LEN, 2);
|
|
code = blockDataAppendColInfo(pBlock, &infoData);
|
|
}
|
|
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
*pOutput = pBlock;
|
|
} else {
|
|
(void)blockDataDestroy(pBlock);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static void appendColumnFields(char* buf, int32_t* len, STableCfg* pCfg) {
|
|
for (int32_t i = 0; i < pCfg->numOfColumns; ++i) {
|
|
SSchema* pSchema = pCfg->pSchemas + i;
|
|
SColRef* pRef = pCfg->pColRefs + i;
|
|
#define LTYPE_LEN (32 + 60 + TSDB_COL_FNAME_LEN + TSDB_DB_NAME_LEN + 10) // 60 byte for compress info, TSDB_COL_FNAME_LEN + TSDB_DB_NAME_LEN for column ref
|
|
char type[LTYPE_LEN];
|
|
snprintf(type, LTYPE_LEN, "%s", tDataTypes[pSchema->type].name);
|
|
int typeLen = strlen(type);
|
|
if (TSDB_DATA_TYPE_VARCHAR == pSchema->type || TSDB_DATA_TYPE_VARBINARY == pSchema->type ||
|
|
TSDB_DATA_TYPE_GEOMETRY == pSchema->type) {
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, "(%d)", (int32_t)(pSchema->bytes - VARSTR_HEADER_SIZE));
|
|
} else if (TSDB_DATA_TYPE_NCHAR == pSchema->type) {
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, "(%d)",
|
|
(int32_t)((pSchema->bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE));
|
|
} else if (IS_DECIMAL_TYPE(pSchema->type)) {
|
|
uint8_t precision, scale;
|
|
decimalFromTypeMod(pCfg->pSchemaExt[i].typeMod, &precision, &scale);
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, "(%d,%d)", precision, scale);
|
|
}
|
|
|
|
if (withExtSchema(pCfg->tableType) && pCfg->pSchemaExt) {
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, " ENCODE \'%s\'",
|
|
columnEncodeStr(COMPRESS_L1_TYPE_U32(pCfg->pSchemaExt[i].compress)));
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, " COMPRESS \'%s\'",
|
|
columnCompressStr(COMPRESS_L2_TYPE_U32(pCfg->pSchemaExt[i].compress)));
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, " LEVEL \'%s\'",
|
|
columnLevelStr(COMPRESS_L2_TYPE_LEVEL_U32(pCfg->pSchemaExt[i].compress)));
|
|
}
|
|
|
|
if (hasRefCol(pCfg->tableType) && pCfg->pColRefs && pRef->hasRef) {
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, " FROM `%s`", pRef->refDbName);
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, ".");
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, "`%s`", pRef->refTableName);
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, ".");
|
|
typeLen += tsnprintf(type + typeLen, LTYPE_LEN - typeLen, "`%s`", pRef->refColName);
|
|
}
|
|
|
|
if (!(pSchema->flags & COL_IS_KEY)) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s`%s` %s", ((i > 0) ? ", " : ""), pSchema->name, type);
|
|
} else {
|
|
char* pk = "PRIMARY KEY";
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s`%s` %s %s", ((i > 0) ? ", " : ""), pSchema->name, type, pk);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void appendColRefFields(char* buf, int32_t* len, STableCfg* pCfg) {
|
|
for (int32_t i = 1; i < pCfg->numOfColumns; ++i) {
|
|
SSchema* pSchema = pCfg->pSchemas + i;
|
|
SColRef* pRef = pCfg->pColRefs + i;
|
|
char type[TSDB_COL_NAME_LEN + 10 + TSDB_COL_FNAME_LEN + TSDB_DB_NAME_LEN];
|
|
int typeLen = 0;
|
|
|
|
if (hasRefCol(pCfg->tableType) && pCfg->pColRefs && pRef->hasRef) {
|
|
typeLen += tsnprintf(type + typeLen, sizeof(type) - typeLen, "FROM `%s`", pRef->refDbName);
|
|
typeLen += tsnprintf(type + typeLen, sizeof(type) - typeLen, ".");
|
|
typeLen += tsnprintf(type + typeLen, sizeof(type) - typeLen, "`%s`", pRef->refTableName);
|
|
typeLen += tsnprintf(type + typeLen, sizeof(type) - typeLen, ".");
|
|
typeLen += tsnprintf(type + typeLen, sizeof(type) - typeLen, "`%s`", pRef->refColName);
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s`%s` %s", ((i > 1) ? ", " : ""), pSchema->name, type);
|
|
|
|
}
|
|
}
|
|
|
|
static void appendTagFields(char* buf, int32_t* len, STableCfg* pCfg) {
|
|
for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
|
|
SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
|
|
char type[32];
|
|
snprintf(type, sizeof(type), "%s", tDataTypes[pSchema->type].name);
|
|
if (TSDB_DATA_TYPE_VARCHAR == pSchema->type || TSDB_DATA_TYPE_VARBINARY == pSchema->type ||
|
|
TSDB_DATA_TYPE_GEOMETRY == pSchema->type) {
|
|
snprintf(type + strlen(type), sizeof(type) - strlen(type), "(%d)",
|
|
(int32_t)(pSchema->bytes - VARSTR_HEADER_SIZE));
|
|
} else if (TSDB_DATA_TYPE_NCHAR == pSchema->type) {
|
|
snprintf(type + strlen(type), sizeof(type) - strlen(type), "(%d)",
|
|
(int32_t)((pSchema->bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE));
|
|
}
|
|
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s`%s` %s", ((i > 0) ? ", " : ""), pSchema->name, type);
|
|
}
|
|
}
|
|
|
|
static void appendTagNameFields(char* buf, int32_t* len, STableCfg* pCfg) {
|
|
for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
|
|
SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s`%s`", ((i > 0) ? ", " : ""), pSchema->name);
|
|
}
|
|
}
|
|
|
|
static int32_t appendTagValues(char* buf, int32_t* len, STableCfg* pCfg, void* charsetCxt) {
|
|
int32_t code = TSDB_CODE_SUCCESS;
|
|
SArray* pTagVals = NULL;
|
|
STag* pTag = (STag*)pCfg->pTags;
|
|
|
|
if (NULL == pCfg->pTags || pCfg->numOfTags <= 0) {
|
|
qError("tag missed in table cfg, pointer:%p, numOfTags:%d", pCfg->pTags, pCfg->numOfTags);
|
|
return TSDB_CODE_APP_ERROR;
|
|
}
|
|
|
|
if (tTagIsJson(pTag)) {
|
|
char* pJson = NULL;
|
|
parseTagDatatoJson(pTag, &pJson, charsetCxt);
|
|
if (NULL == pJson) {
|
|
qError("failed to parse tag to json, pJson is NULL");
|
|
return terrno;
|
|
}
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s", pJson);
|
|
taosMemoryFree(pJson);
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
QRY_ERR_RET(tTagToValArray((const STag*)pCfg->pTags, &pTagVals));
|
|
int16_t valueNum = taosArrayGetSize(pTagVals);
|
|
int32_t num = 0;
|
|
int32_t j = 0;
|
|
for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
|
|
SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
|
|
if (i > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
", ");
|
|
}
|
|
|
|
if (j >= valueNum) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"NULL");
|
|
continue;
|
|
}
|
|
|
|
STagVal* pTagVal = (STagVal*)taosArrayGet(pTagVals, j);
|
|
if (pSchema->colId > pTagVal->cid) {
|
|
qError("tag value and column mismatch, schemaId:%d, valId:%d", pSchema->colId, pTagVal->cid);
|
|
code = TSDB_CODE_APP_ERROR;
|
|
TAOS_CHECK_ERRNO(code);
|
|
} else if (pSchema->colId == pTagVal->cid) {
|
|
char type = pTagVal->type;
|
|
int32_t tlen = 0;
|
|
|
|
int64_t leftSize = SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len);
|
|
if (leftSize <= 0) {
|
|
qError("no enough space to store tag value, leftSize:%" PRId64, leftSize);
|
|
code = TSDB_CODE_APP_ERROR;
|
|
TAOS_CHECK_ERRNO(code);
|
|
}
|
|
if (IS_VAR_DATA_TYPE(type)) {
|
|
code = dataConverToStr(buf + VARSTR_HEADER_SIZE + *len, leftSize, type, pTagVal->pData, pTagVal->nData, &tlen);
|
|
TAOS_CHECK_ERRNO(code);
|
|
} else {
|
|
code = dataConverToStr(buf + VARSTR_HEADER_SIZE + *len, leftSize, type, &pTagVal->i64, tDataTypes[type].bytes,
|
|
&tlen);
|
|
TAOS_CHECK_ERRNO(code);
|
|
}
|
|
*len += tlen;
|
|
j++;
|
|
} else {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"NULL");
|
|
}
|
|
}
|
|
_exit:
|
|
taosArrayDestroy(pTagVals);
|
|
|
|
return code;
|
|
}
|
|
|
|
static void appendTableOptions(char* buf, int32_t* len, SDbCfgInfo* pDbCfg, STableCfg* pCfg) {
|
|
if (pCfg->commentLen > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" COMMENT '%s'", pCfg->pComment);
|
|
} else if (0 == pCfg->commentLen) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" COMMENT ''");
|
|
}
|
|
|
|
if (NULL != pDbCfg->pRetensions && pCfg->watermark1 > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" WATERMARK %" PRId64 "a", pCfg->watermark1);
|
|
if (pCfg->watermark2 > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
", %" PRId64 "a", pCfg->watermark2);
|
|
}
|
|
}
|
|
|
|
if (NULL != pDbCfg->pRetensions && pCfg->delay1 > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" MAX_DELAY %" PRId64 "a", pCfg->delay1);
|
|
if (pCfg->delay2 > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
", %" PRId64 "a", pCfg->delay2);
|
|
}
|
|
}
|
|
|
|
int32_t funcNum = taosArrayGetSize(pCfg->pFuncs);
|
|
if (NULL != pDbCfg->pRetensions && funcNum > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" ROLLUP(");
|
|
for (int32_t i = 0; i < funcNum; ++i) {
|
|
char* pFunc = taosArrayGet(pCfg->pFuncs, i);
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
"%s%s", ((i > 0) ? ", " : ""), pFunc);
|
|
}
|
|
*len +=
|
|
snprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len), ")");
|
|
}
|
|
|
|
if (pCfg->ttl > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" TTL %d", pCfg->ttl);
|
|
}
|
|
|
|
if (pCfg->keep > 0) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" KEEP %dm", pCfg->keep);
|
|
}
|
|
|
|
if (TSDB_SUPER_TABLE == pCfg->tableType || TSDB_NORMAL_TABLE == pCfg->tableType) {
|
|
int32_t nSma = 0;
|
|
for (int32_t i = 0; i < pCfg->numOfColumns; ++i) {
|
|
if (IS_BSMA_ON(pCfg->pSchemas + i)) {
|
|
++nSma;
|
|
}
|
|
}
|
|
|
|
if (nSma < pCfg->numOfColumns && nSma > 0) {
|
|
bool smaOn = false;
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" SMA(");
|
|
for (int32_t i = 0; i < pCfg->numOfColumns; ++i) {
|
|
if (IS_BSMA_ON(pCfg->pSchemas + i)) {
|
|
if (smaOn) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len,
|
|
SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len), ",`%s`",
|
|
(pCfg->pSchemas + i)->name);
|
|
} else {
|
|
smaOn = true;
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len,
|
|
SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len), "`%s`",
|
|
(pCfg->pSchemas + i)->name);
|
|
}
|
|
}
|
|
}
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE, ")");
|
|
}
|
|
}
|
|
|
|
if (pCfg->virtualStb) {
|
|
*len += tsnprintf(buf + VARSTR_HEADER_SIZE + *len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + *len),
|
|
" VIRTUAL %d", pCfg->virtualStb);
|
|
}
|
|
}
|
|
|
|
static int32_t setCreateTBResultIntoDataBlock(SSDataBlock* pBlock, SDbCfgInfo* pDbCfg, char* tbName, STableCfg* pCfg,
|
|
void* charsetCxt) {
|
|
int32_t code = TSDB_CODE_SUCCESS;
|
|
QRY_ERR_RET(blockDataEnsureCapacity(pBlock, 1));
|
|
pBlock->info.rows = 1;
|
|
|
|
SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
|
|
char buf1[SHOW_CREATE_TB_RESULT_FIELD1_LEN] = {0};
|
|
STR_TO_VARSTR(buf1, tbName);
|
|
QRY_ERR_RET(colDataSetVal(pCol1, 0, buf1, false));
|
|
|
|
SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
|
|
char* buf2 = taosMemoryMalloc(SHOW_CREATE_TB_RESULT_FIELD2_LEN);
|
|
if (NULL == buf2) {
|
|
QRY_ERR_RET(terrno);
|
|
}
|
|
|
|
int32_t len = 0;
|
|
|
|
if (TSDB_SUPER_TABLE == pCfg->tableType) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE STABLE `%s` (", tbName);
|
|
appendColumnFields(buf2, &len, pCfg);
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len),
|
|
") TAGS (");
|
|
appendTagFields(buf2, &len, pCfg);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len), ")");
|
|
appendTableOptions(buf2, &len, pDbCfg, pCfg);
|
|
} else if (TSDB_CHILD_TABLE == pCfg->tableType) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE TABLE `%s` USING `%s` (", tbName, pCfg->stbName);
|
|
appendTagNameFields(buf2, &len, pCfg);
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len),
|
|
") TAGS (");
|
|
code = appendTagValues(buf2, &len, pCfg, charsetCxt);
|
|
TAOS_CHECK_ERRNO(code);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len), ")");
|
|
appendTableOptions(buf2, &len, pDbCfg, pCfg);
|
|
} else if (TSDB_NORMAL_TABLE == pCfg->tableType){
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE TABLE `%s` (", tbName);
|
|
appendColumnFields(buf2, &len, pCfg);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len), ")");
|
|
appendTableOptions(buf2, &len, pDbCfg, pCfg);
|
|
} else if (TSDB_VIRTUAL_NORMAL_TABLE == pCfg->tableType) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE VTABLE `%s` (", tbName);
|
|
appendColumnFields(buf2, &len, pCfg);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len), ")");
|
|
} else if (TSDB_VIRTUAL_CHILD_TABLE == pCfg->tableType) {
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE, SHOW_CREATE_TB_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE,
|
|
"CREATE VTABLE `%s` (", tbName);
|
|
appendColRefFields(buf2, &len, pCfg);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len),
|
|
") USING `%s` (", pCfg->stbName);
|
|
appendTagNameFields(buf2, &len, pCfg);
|
|
len += tsnprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len),
|
|
") TAGS (");
|
|
code = appendTagValues(buf2, &len, pCfg, charsetCxt);
|
|
TAOS_CHECK_ERRNO(code);
|
|
len +=
|
|
snprintf(buf2 + VARSTR_HEADER_SIZE + len, SHOW_CREATE_TB_RESULT_FIELD2_LEN - (VARSTR_HEADER_SIZE + len), ")");
|
|
}
|
|
|
|
varDataLen(buf2) = (len > 65535) ? 65535 : len;
|
|
|
|
code = colDataSetVal(pCol2, 0, buf2, false);
|
|
TAOS_CHECK_ERRNO(code);
|
|
|
|
_exit:
|
|
taosMemoryFree(buf2);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t setCreateViewResultIntoDataBlock(SSDataBlock* pBlock, SShowCreateViewStmt* pStmt) {
|
|
int32_t code = 0;
|
|
QRY_ERR_RET(blockDataEnsureCapacity(pBlock, 1));
|
|
pBlock->info.rows = 1;
|
|
|
|
SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
|
|
char buf1[SHOW_CREATE_VIEW_RESULT_FIELD1_LEN + 1] = {0};
|
|
snprintf(varDataVal(buf1), TSDB_VIEW_FNAME_LEN + 4, "`%s`.`%s`", pStmt->dbName, pStmt->viewName);
|
|
varDataSetLen(buf1, strlen(varDataVal(buf1)));
|
|
QRY_ERR_RET(colDataSetVal(pCol1, 0, buf1, false));
|
|
|
|
SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
|
|
char* buf2 = taosMemoryMalloc(SHOW_CREATE_VIEW_RESULT_FIELD2_LEN);
|
|
if (NULL == buf2) {
|
|
return terrno;
|
|
}
|
|
|
|
SViewMeta* pMeta = pStmt->pViewMeta;
|
|
if (NULL == pMeta) {
|
|
qError("exception: view meta is null");
|
|
return TSDB_CODE_APP_ERROR;
|
|
}
|
|
snprintf(varDataVal(buf2), SHOW_CREATE_VIEW_RESULT_FIELD2_LEN - VARSTR_HEADER_SIZE, "CREATE VIEW `%s`.`%s` AS %s",
|
|
pStmt->dbName, pStmt->viewName, pMeta->querySql);
|
|
int32_t len = strlen(varDataVal(buf2));
|
|
varDataLen(buf2) = (len > 65535) ? 65535 : len;
|
|
code = colDataSetVal(pCol2, 0, buf2, false);
|
|
taosMemoryFree(buf2);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t execShowCreateTable(SShowCreateTableStmt* pStmt, SRetrieveTableRsp** pRsp, void* charsetCxt) {
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = buildCreateTbResultDataBlock(&pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = setCreateTBResultIntoDataBlock(pBlock, pStmt->pDbCfg, pStmt->tableName, pStmt->pTableCfg, charsetCxt);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, SHOW_CREATE_TB_RESULT_COLS, pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
static int32_t execShowCreateVTable(SShowCreateTableStmt* pStmt, SRetrieveTableRsp** pRsp, void* charsetCxt) {
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = buildCreateTbResultDataBlock(&pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = setCreateTBResultIntoDataBlock(pBlock, pStmt->pDbCfg, pStmt->tableName, pStmt->pTableCfg, charsetCxt);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, SHOW_CREATE_TB_RESULT_COLS, pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
static int32_t execShowCreateSTable(SShowCreateTableStmt* pStmt, SRetrieveTableRsp** pRsp, void* charsetCxt) {
|
|
STableCfg* pCfg = (STableCfg*)pStmt->pTableCfg;
|
|
if (TSDB_SUPER_TABLE != pCfg->tableType) {
|
|
terrno = TSDB_CODE_TSC_NOT_STABLE_ERROR;
|
|
return terrno;
|
|
}
|
|
|
|
return execShowCreateTable(pStmt, pRsp, charsetCxt);
|
|
}
|
|
|
|
static int32_t execAlterCmd(char* cmd, char* value, bool* processed) {
|
|
int32_t code = 0;
|
|
|
|
if (0 == strcasecmp(cmd, COMMAND_RESET_LOG)) {
|
|
taosResetLog();
|
|
cfgDumpCfg(tsCfg, 0, false);
|
|
} else if (0 == strcasecmp(cmd, COMMAND_SCHEDULE_POLICY)) {
|
|
int32_t tmp = 0;
|
|
code = taosStr2int32(value, &tmp);
|
|
if (code) {
|
|
qError("invalid value:%s, error:%s", value, tstrerror(code));
|
|
return code;
|
|
}
|
|
code = schedulerUpdatePolicy(tmp);
|
|
} else if (0 == strcasecmp(cmd, COMMAND_ENABLE_RESCHEDULE)) {
|
|
int32_t tmp = 0;
|
|
code = taosStr2int32(value, &tmp);
|
|
if (code) {
|
|
qError("invalid value:%s, error:%s", value, tstrerror(code));
|
|
return code;
|
|
}
|
|
code = schedulerEnableReSchedule(tmp != 0);
|
|
} else if (0 == strcasecmp(cmd, COMMAND_CATALOG_DEBUG)) {
|
|
code = ctgdHandleDbgCommand(value);
|
|
} else if (0 == strcasecmp(cmd, COMMAND_ENABLE_MEM_DEBUG)) {
|
|
code = taosMemoryDbgInit();
|
|
if (code) {
|
|
qError("failed to init memory dbg, error:%s", tstrerror(code));
|
|
return code;
|
|
}
|
|
tsAsyncLog = false;
|
|
qInfo("memory dbg enabled");
|
|
} else if (0 == strcasecmp(cmd, COMMAND_DISABLE_MEM_DEBUG)) {
|
|
code = taosMemoryDbgInitRestore();
|
|
if (code) {
|
|
qError("failed to restore from memory dbg, error:%s", tstrerror(code));
|
|
return code;
|
|
}
|
|
qInfo("memory dbg disabled");
|
|
} else {
|
|
goto _return;
|
|
}
|
|
|
|
*processed = true;
|
|
|
|
_return:
|
|
|
|
if (code) {
|
|
terrno = code;
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t execAlterLocal(SAlterLocalStmt* pStmt) {
|
|
bool processed = false;
|
|
|
|
if (execAlterCmd(pStmt->config, pStmt->value, &processed)) {
|
|
return terrno;
|
|
}
|
|
|
|
if (processed) {
|
|
goto _return;
|
|
}
|
|
|
|
if (cfgCheckRangeForDynUpdate(tsCfg, pStmt->config, pStmt->value, false, CFG_ALTER_LOCAL)) {
|
|
return terrno;
|
|
}
|
|
|
|
if (cfgSetItem(tsCfg, pStmt->config, pStmt->value, CFG_STYPE_ALTER_CLIENT_CMD, true)) {
|
|
return terrno;
|
|
}
|
|
|
|
TAOS_CHECK_RETURN(taosCfgDynamicOptions(tsCfg, pStmt->config, false));
|
|
|
|
_return:
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t buildLocalVariablesResultDataBlock(SSDataBlock** pOutput) {
|
|
SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
|
|
if (NULL == pBlock) {
|
|
return terrno;
|
|
}
|
|
|
|
pBlock->info.hasVarCol = true;
|
|
|
|
pBlock->pDataBlock = taosArrayInit(SHOW_LOCAL_VARIABLES_RESULT_COLS, sizeof(SColumnInfoData));
|
|
if (NULL == pBlock->pDataBlock) {
|
|
taosMemoryFree(pBlock);
|
|
return terrno;
|
|
}
|
|
|
|
SColumnInfoData infoData = {0};
|
|
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = SHOW_LOCAL_VARIABLES_RESULT_FIELD1_LEN;
|
|
if (taosArrayPush(pBlock->pDataBlock, &infoData) == NULL) {
|
|
goto _exit;
|
|
}
|
|
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = SHOW_LOCAL_VARIABLES_RESULT_FIELD2_LEN;
|
|
if (taosArrayPush(pBlock->pDataBlock, &infoData) == NULL) {
|
|
goto _exit;
|
|
}
|
|
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = SHOW_LOCAL_VARIABLES_RESULT_FIELD3_LEN;
|
|
if (taosArrayPush(pBlock->pDataBlock, &infoData) == NULL) {
|
|
goto _exit;
|
|
}
|
|
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = SHOW_LOCAL_VARIABLES_RESULT_FIELD4_LEN;
|
|
if (taosArrayPush(pBlock->pDataBlock, &infoData) == NULL) {
|
|
goto _exit;
|
|
}
|
|
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = SHOW_LOCAL_VARIABLES_RESULT_FIELD5_LEN;
|
|
if (taosArrayPush(pBlock->pDataBlock, &infoData) == NULL) {
|
|
goto _exit;
|
|
}
|
|
|
|
*pOutput = pBlock;
|
|
|
|
_exit:
|
|
if (terrno != TSDB_CODE_SUCCESS) {
|
|
taosArrayDestroy(pBlock->pDataBlock);
|
|
taosMemoryFree(pBlock);
|
|
}
|
|
return terrno;
|
|
}
|
|
|
|
static int32_t execShowLocalVariables(SShowStmt* pStmt, SRetrieveTableRsp** pRsp) {
|
|
SSDataBlock* pBlock = NULL;
|
|
char* likePattern = NULL;
|
|
int32_t code = buildLocalVariablesResultDataBlock(&pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
if (pStmt->tableCondType == OP_TYPE_LIKE) {
|
|
likePattern = ((SValueNode*)pStmt->pTbName)->literal;
|
|
}
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = dumpConfToDataBlock(pBlock, 0, likePattern);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, SHOW_LOCAL_VARIABLES_RESULT_COLS, pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
static int32_t createSelectResultDataBlock(SNodeList* pProjects, SSDataBlock** pOutput) {
|
|
QRY_PARAM_CHECK(pOutput);
|
|
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = createDataBlock(&pBlock);
|
|
if (code) {
|
|
return code;
|
|
}
|
|
|
|
SNode* pProj = NULL;
|
|
FOREACH(pProj, pProjects) {
|
|
SExprNode* pExpr = (SExprNode*)pProj;
|
|
SColumnInfoData infoData = {0};
|
|
if (TSDB_DATA_TYPE_NULL == pExpr->resType.type) {
|
|
infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
|
|
infoData.info.bytes = 0;
|
|
} else {
|
|
infoData.info.type = pExpr->resType.type;
|
|
infoData.info.bytes = pExpr->resType.bytes;
|
|
infoData.info.precision = pExpr->resType.precision;
|
|
infoData.info.scale = pExpr->resType.scale;
|
|
}
|
|
QRY_ERR_RET(blockDataAppendColInfo(pBlock, &infoData));
|
|
}
|
|
|
|
*pOutput = pBlock;
|
|
return code;
|
|
}
|
|
|
|
static int32_t buildSelectResultDataBlock(SNodeList* pProjects, SSDataBlock* pBlock) {
|
|
QRY_ERR_RET(blockDataEnsureCapacity(pBlock, 1));
|
|
|
|
int32_t index = 0;
|
|
SNode* pProj = NULL;
|
|
FOREACH(pProj, pProjects) {
|
|
if (QUERY_NODE_VALUE != nodeType(pProj)) {
|
|
return TSDB_CODE_PAR_INVALID_SELECTED_EXPR;
|
|
} else {
|
|
if (((SValueNode*)pProj)->isNull) {
|
|
QRY_ERR_RET(colDataSetVal(taosArrayGet(pBlock->pDataBlock, index++), 0, NULL, true));
|
|
} else {
|
|
QRY_ERR_RET(colDataSetVal(taosArrayGet(pBlock->pDataBlock, index++), 0,
|
|
nodesGetValueFromNode((SValueNode*)pProj), false));
|
|
}
|
|
}
|
|
}
|
|
|
|
pBlock->info.rows = 1;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t execSelectWithoutFrom(SSelectStmt* pSelect, SRetrieveTableRsp** pRsp) {
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = createSelectResultDataBlock(pSelect->pProjectionList, &pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildSelectResultDataBlock(pSelect->pProjectionList, pBlock);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, LIST_LENGTH(pSelect->pProjectionList), pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
static int32_t execShowCreateView(SShowCreateViewStmt* pStmt, SRetrieveTableRsp** pRsp) {
|
|
SSDataBlock* pBlock = NULL;
|
|
int32_t code = buildCreateViewResultDataBlock(&pBlock);
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = setCreateViewResultIntoDataBlock(pBlock, pStmt);
|
|
}
|
|
if (TSDB_CODE_SUCCESS == code) {
|
|
code = buildRetrieveTableRsp(pBlock, SHOW_CREATE_VIEW_RESULT_COLS, pRsp);
|
|
}
|
|
(void)blockDataDestroy(pBlock);
|
|
return code;
|
|
}
|
|
|
|
int32_t qExecCommand(int64_t* pConnId, bool sysInfoUser, SNode* pStmt, SRetrieveTableRsp** pRsp, int8_t biMode,
|
|
void* charsetCxt) {
|
|
switch (nodeType(pStmt)) {
|
|
case QUERY_NODE_DESCRIBE_STMT:
|
|
return execDescribe(sysInfoUser, pStmt, pRsp, biMode);
|
|
case QUERY_NODE_RESET_QUERY_CACHE_STMT:
|
|
return execResetQueryCache();
|
|
case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
|
|
return execShowCreateDatabase((SShowCreateDatabaseStmt*)pStmt, pRsp);
|
|
case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
|
|
return execShowCreateTable((SShowCreateTableStmt*)pStmt, pRsp, charsetCxt);
|
|
case QUERY_NODE_SHOW_CREATE_VTABLE_STMT:
|
|
return execShowCreateVTable((SShowCreateTableStmt*)pStmt, pRsp, charsetCxt);
|
|
case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
|
|
return execShowCreateSTable((SShowCreateTableStmt*)pStmt, pRsp, charsetCxt);
|
|
case QUERY_NODE_SHOW_CREATE_VIEW_STMT:
|
|
return execShowCreateView((SShowCreateViewStmt*)pStmt, pRsp);
|
|
case QUERY_NODE_ALTER_LOCAL_STMT:
|
|
return execAlterLocal((SAlterLocalStmt*)pStmt);
|
|
case QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT:
|
|
return execShowLocalVariables((SShowStmt*)pStmt, pRsp);
|
|
case QUERY_NODE_SELECT_STMT:
|
|
return execSelectWithoutFrom((SSelectStmt*)pStmt, pRsp);
|
|
default:
|
|
break;
|
|
}
|
|
return TSDB_CODE_FAILED;
|
|
}
|