1379 lines
48 KiB
C
1379 lines
48 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 "builtins.h"
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#include "querynodes.h"
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#include "builtinsimpl.h"
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#include "scalar.h"
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#include "taoserror.h"
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#include "tdatablock.h"
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static int32_t buildFuncErrMsg(char* pErrBuf, int32_t len, int32_t errCode, const char* pFormat, ...) {
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va_list vArgList;
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va_start(vArgList, pFormat);
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vsnprintf(pErrBuf, len, pFormat, vArgList);
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va_end(vArgList);
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return errCode;
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}
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static int32_t invaildFuncParaNumErrMsg(char* pErrBuf, int32_t len, const char* pFuncName) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_PARA_NUM, "Invalid number of parameters : %s", pFuncName);
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}
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static int32_t invaildFuncParaTypeErrMsg(char* pErrBuf, int32_t len, const char* pFuncName) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_PARA_TYPE, "Invalid parameter data type : %s", pFuncName);
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}
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static int32_t invaildFuncParaValueErrMsg(char* pErrBuf, int32_t len, const char* pFuncName) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_PARA_VALUE, "Invalid parameter value : %s", pFuncName);
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}
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// There is only one parameter of numeric type, and the return type is parameter type
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static int32_t translateInOutNum(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(paraType) && !IS_NULL_TYPE(paraType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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} else if (IS_NULL_TYPE(paraType)) {
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paraType = TSDB_DATA_TYPE_BIGINT;
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[paraType].bytes, .type = paraType};
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return TSDB_CODE_SUCCESS;
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}
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// There is only one parameter of numeric type, and the return type is double type
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static int32_t translateInNumOutDou(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(paraType) && !IS_NULL_TYPE(paraType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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// There are two parameters of numeric type, and the return type is double type
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static int32_t translateIn2NumOutDou(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (2 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t para1Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
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if (!IS_NUMERIC_TYPE(para1Type) || !IS_NUMERIC_TYPE(para2Type)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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// There is only one parameter of string type, and the return type is parameter type
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static int32_t translateInOutStr(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SExprNode* pPara1 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
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if (!IS_VAR_DATA_TYPE(pPara1->resType.type)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = pPara1->resType.bytes, .type = pPara1->resType.type};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateCount(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateSum(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(paraType) && !IS_NULL_TYPE(paraType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t resType = 0;
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if (IS_SIGNED_NUMERIC_TYPE(paraType) || TSDB_DATA_TYPE_BOOL == paraType || IS_NULL_TYPE(paraType)) {
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resType = TSDB_DATA_TYPE_BIGINT;
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} else if (IS_UNSIGNED_NUMERIC_TYPE(paraType)) {
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resType = TSDB_DATA_TYPE_UBIGINT;
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} else if (IS_FLOAT_TYPE(paraType)) {
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resType = TSDB_DATA_TYPE_DOUBLE;
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[resType].bytes, .type = resType};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateWduration(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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// pseudo column do not need to check parameters
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pFunc->node.resType = (SDataType){.bytes = sizeof(int64_t), .type = TSDB_DATA_TYPE_BIGINT};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateTimePseudoColumn(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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// pseudo column do not need to check parameters
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pFunc->node.resType = (SDataType){.bytes = sizeof(int64_t), .type = TSDB_DATA_TYPE_TIMESTAMP};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateTimezone(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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pFunc->node.resType = (SDataType){.bytes = TD_TIMEZONE_LEN, .type = TSDB_DATA_TYPE_BINARY};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translatePercentile(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (2 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t para1Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
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if (!IS_NUMERIC_TYPE(para1Type) || (!IS_SIGNED_NUMERIC_TYPE(para2Type) && !IS_UNSIGNED_NUMERIC_TYPE(para2Type))) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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static bool validAperventileAlgo(const SValueNode* pVal) {
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if (TSDB_DATA_TYPE_BINARY != pVal->node.resType.type) {
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return false;
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}
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return (0 == strcasecmp(varDataVal(pVal->datum.p), "default") ||
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0 == strcasecmp(varDataVal(pVal->datum.p), "t-digest"));
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}
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static int32_t translateApercentile(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
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if (2 != paraNum && 3 != paraNum) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t para1Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
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if (!IS_NUMERIC_TYPE(para1Type) || !IS_INTEGER_TYPE(para2Type)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (3 == paraNum) {
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SNode* pPara3 = nodesListGetNode(pFunc->pParameterList, 2);
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if (QUERY_NODE_VALUE != nodeType(pPara3) || !validAperventileAlgo((SValueNode*)pPara3)) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
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"Third parameter algorithm of apercentile must be 'default' or 't-digest'");
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}
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateTbnameColumn(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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// pseudo column do not need to check parameters
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pFunc->node.resType =
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(SDataType){.bytes = TSDB_TABLE_FNAME_LEN - 1 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateTop(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
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if (2 != paraNum) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SNode* pParamNode = nodesListGetNode(pFunc->pParameterList, 1);
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if (nodeType(pParamNode) != QUERY_NODE_VALUE) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SValueNode* pValue = (SValueNode*) pParamNode;
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if (pValue->node.resType.type != TSDB_DATA_TYPE_BIGINT) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (pValue->datum.i < 1 || pValue->datum.i > 100) {
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return invaildFuncParaValueErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SDataType* pType = &((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType;
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pFunc->node.resType = (SDataType){.bytes = pType->bytes, .type = pType->type};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateBottom(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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return translateTop(pFunc, pErrBuf, len);
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}
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static int32_t translateSpread(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(paraType) && TSDB_DATA_TYPE_TIMESTAMP != paraType) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateElapsed(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
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if (1 != paraNum && 2 != paraNum) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
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if (QUERY_NODE_COLUMN != nodeType(pPara)) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
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"The input parameter of ELAPSED function can only be column");
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}
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uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (TSDB_DATA_TYPE_TIMESTAMP != paraType) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateLeastSQR(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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int32_t numOfParams = LIST_LENGTH(pFunc->pParameterList);
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if (3 != numOfParams) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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for (int32_t i = 0; i < numOfParams; ++i) {
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uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, i))->resType.type;
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if (!IS_NUMERIC_TYPE(colType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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}
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pFunc->node.resType = (SDataType){.bytes = 64, .type = TSDB_DATA_TYPE_BINARY};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateHistogram(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (4 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(colType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type != TSDB_DATA_TYPE_BINARY ||
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((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_BINARY ||
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((SExprNode*)nodesListGetNode(pFunc->pParameterList, 3))->resType.type != TSDB_DATA_TYPE_BIGINT) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType){.bytes = 512, .type = TSDB_DATA_TYPE_BINARY};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateHLL(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (1 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
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if (QUERY_NODE_COLUMN != nodeType(pPara)) {
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return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
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"The input parameter of HYPERLOGLOG function can only be column");
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}
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pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_UBIGINT].bytes, .type = TSDB_DATA_TYPE_UBIGINT};
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateStateCount(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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if (3 != LIST_LENGTH(pFunc->pParameterList)) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(colType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type != TSDB_DATA_TYPE_BINARY ||
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(((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_BIGINT &&
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((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_DOUBLE)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType) { .bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT };
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateStateDuration(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
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int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
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if (3 != paraNum && 4 != paraNum) {
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return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
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}
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uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
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if (!IS_NUMERIC_TYPE(colType)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type != TSDB_DATA_TYPE_BINARY ||
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(((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_BIGINT &&
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((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type != TSDB_DATA_TYPE_DOUBLE)) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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if (paraNum == 4 && ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 3))->resType.type != TSDB_DATA_TYPE_BIGINT) {
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return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
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}
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pFunc->node.resType = (SDataType) { .bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT };
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return TSDB_CODE_SUCCESS;
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}
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static int32_t translateCsum(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The input parameter of CSUM function can only be column");
|
|
}
|
|
|
|
uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
|
|
uint8_t resType;
|
|
if (!IS_NUMERIC_TYPE(colType)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
} else {
|
|
if (IS_SIGNED_NUMERIC_TYPE(colType)) {
|
|
resType = TSDB_DATA_TYPE_BIGINT;
|
|
} else if (IS_UNSIGNED_NUMERIC_TYPE(colType)) {
|
|
resType = TSDB_DATA_TYPE_UBIGINT;
|
|
} else if (IS_FLOAT_TYPE(colType)) {
|
|
resType = TSDB_DATA_TYPE_DOUBLE;
|
|
} else {
|
|
ASSERT(0);
|
|
}
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType) { .bytes = tDataTypes[resType].bytes, .type = resType};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateMavg(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (2 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The input parameter of MAVG function can only be column");
|
|
}
|
|
|
|
uint8_t colType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
|
|
uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
|
|
if (!IS_NUMERIC_TYPE(colType) || !IS_INTEGER_TYPE(paraType)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes, .type = TSDB_DATA_TYPE_DOUBLE};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateSample(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (2 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The input parameter of SAMPLE function can only be column");
|
|
}
|
|
|
|
uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
|
|
if (!IS_INTEGER_TYPE(paraType)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SExprNode* pCol = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
|
|
uint8_t colType = pCol->resType.type;
|
|
if (IS_VAR_DATA_TYPE(colType)) {
|
|
pFunc->node.resType = (SDataType){.bytes = pCol->resType.bytes, .type = colType};
|
|
} else {
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[colType].bytes, .type = colType};
|
|
}
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateTail(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
int32_t numOfParams = LIST_LENGTH(pFunc->pParameterList);
|
|
if (2 != numOfParams && 3 != numOfParams) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The input parameter of TAIL function can only be column");
|
|
}
|
|
|
|
for (int32_t i = 1; i < numOfParams; ++i) {
|
|
uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, i))->resType.type;
|
|
if (!IS_INTEGER_TYPE(paraType)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
}
|
|
|
|
SExprNode* pCol = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
|
|
uint8_t colType = pCol->resType.type;
|
|
if (IS_VAR_DATA_TYPE(colType)) {
|
|
pFunc->node.resType = (SDataType){.bytes = pCol->resType.bytes, .type = colType};
|
|
} else {
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[colType].bytes, .type = colType};
|
|
}
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateLastRow(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
// todo
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateFirstLast(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
// first(col_list) will be rewritten as first(col)
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The parameters of first/last can only be columns");
|
|
}
|
|
|
|
pFunc->node.resType = ((SExprNode*)pPara)->resType;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateUnique(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_COLUMN != nodeType(pPara)) {
|
|
return buildFuncErrMsg(pErrBuf, len, TSDB_CODE_FUNC_FUNTION_ERROR,
|
|
"The parameters of UNIQUE can only be columns");
|
|
}
|
|
|
|
pFunc->node.resType = ((SExprNode*)pPara)->resType;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
int32_t paraLen = LIST_LENGTH(pFunc->pParameterList);
|
|
if (paraLen == 0 || paraLen > 2) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SExprNode* p1 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (!IS_SIGNED_NUMERIC_TYPE(p1->resType.type) && !IS_FLOAT_TYPE(p1->resType.type) &&
|
|
TSDB_DATA_TYPE_BOOL != p1->resType.type) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
pFunc->node.resType = p1->resType;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateLength(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
if (!IS_VAR_DATA_TYPE(((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateConcatImpl(SFunctionNode* pFunc, char* pErrBuf, int32_t len, int32_t minParaNum,
|
|
int32_t maxParaNum, bool hasSep) {
|
|
int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
|
|
if (paraNum < minParaNum || paraNum > maxParaNum) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
uint8_t resultType = TSDB_DATA_TYPE_BINARY;
|
|
int32_t resultBytes = 0;
|
|
int32_t sepBytes = 0;
|
|
|
|
/* For concat/concat_ws function, if params have NCHAR type, promote the final result to NCHAR */
|
|
for (int32_t i = 0; i < paraNum; ++i) {
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, i);
|
|
uint8_t paraType = ((SExprNode*)pPara)->resType.type;
|
|
if (!IS_VAR_DATA_TYPE(paraType)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
if (TSDB_DATA_TYPE_NCHAR == paraType) {
|
|
resultType = paraType;
|
|
}
|
|
}
|
|
|
|
for (int32_t i = 0; i < paraNum; ++i) {
|
|
SNode* pPara = nodesListGetNode(pFunc->pParameterList, i);
|
|
uint8_t paraType = ((SExprNode*)pPara)->resType.type;
|
|
int32_t paraBytes = ((SExprNode*)pPara)->resType.bytes;
|
|
int32_t factor = 1;
|
|
if (TSDB_DATA_TYPE_NCHAR == resultType && TSDB_DATA_TYPE_VARCHAR == paraType) {
|
|
factor *= TSDB_NCHAR_SIZE;
|
|
}
|
|
resultBytes += paraBytes * factor;
|
|
|
|
if (i == 0) {
|
|
sepBytes = paraBytes * factor;
|
|
}
|
|
}
|
|
|
|
if (hasSep) {
|
|
resultBytes += sepBytes * (paraNum - 3);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = resultBytes, .type = resultType};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateConcat(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
return translateConcatImpl(pFunc, pErrBuf, len, 2, 8, false);
|
|
}
|
|
|
|
static int32_t translateConcatWs(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
return translateConcatImpl(pFunc, pErrBuf, len, 3, 9, true);
|
|
}
|
|
|
|
static int32_t translateSubstr(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
|
|
if (2 != paraNum && 3 != paraNum) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SExprNode* pPara1 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
|
|
uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
|
|
if (!IS_VAR_DATA_TYPE(pPara1->resType.type) || !IS_INTEGER_TYPE(para2Type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
if (3 == paraNum) {
|
|
uint8_t para3Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
|
|
if (!IS_INTEGER_TYPE(para3Type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = pPara1->resType.bytes, .type = pPara1->resType.type};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateCast(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
// The number of parameters has been limited by the syntax definition
|
|
uint8_t para1Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
|
|
// The function return type has been set during syntax parsing
|
|
uint8_t para2Type = pFunc->node.resType.type;
|
|
if (para2Type != TSDB_DATA_TYPE_BIGINT && para2Type != TSDB_DATA_TYPE_UBIGINT &&
|
|
para2Type != TSDB_DATA_TYPE_VARCHAR && para2Type != TSDB_DATA_TYPE_NCHAR &&
|
|
para2Type != TSDB_DATA_TYPE_TIMESTAMP) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
if ((para2Type == TSDB_DATA_TYPE_TIMESTAMP && IS_VAR_DATA_TYPE(para1Type)) ||
|
|
(para2Type == TSDB_DATA_TYPE_BINARY && para1Type == TSDB_DATA_TYPE_NCHAR)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
int32_t para2Bytes = pFunc->node.resType.bytes;
|
|
if (para2Bytes <= 0 || para2Bytes > 1000) { // cast dst var type length limits to 1000
|
|
return invaildFuncParaValueErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateToIso8601(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
|
|
if (!IS_INTEGER_TYPE(paraType) && TSDB_DATA_TYPE_TIMESTAMP != paraType) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = 64, .type = TSDB_DATA_TYPE_BINARY};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateToUnixtimestamp(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
if (!IS_VAR_DATA_TYPE(((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateTimeTruncate(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (2 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
uint8_t para1Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType.type;
|
|
uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
|
|
if ((!IS_VAR_DATA_TYPE(para1Type) && !IS_INTEGER_TYPE(para1Type) && TSDB_DATA_TYPE_TIMESTAMP != para1Type) ||
|
|
!IS_INTEGER_TYPE(para2Type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType =
|
|
(SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes, .type = TSDB_DATA_TYPE_TIMESTAMP};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateTimeDiff(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
int32_t paraNum = LIST_LENGTH(pFunc->pParameterList);
|
|
if (2 != paraNum && 3 != paraNum) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
for (int32_t i = 0; i < 2; ++i) {
|
|
uint8_t paraType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, i))->resType.type;
|
|
if (!IS_VAR_DATA_TYPE(paraType) && !IS_INTEGER_TYPE(paraType) && TSDB_DATA_TYPE_TIMESTAMP != paraType) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
}
|
|
|
|
if (3 == paraNum) {
|
|
if (!IS_INTEGER_TYPE(((SExprNode*)nodesListGetNode(pFunc->pParameterList, 2))->resType.type)) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes, .type = TSDB_DATA_TYPE_BIGINT};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateToJson(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
if (1 != LIST_LENGTH(pFunc->pParameterList)) {
|
|
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
SExprNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
|
|
if (QUERY_NODE_VALUE != nodeType(pPara) || (!IS_VAR_DATA_TYPE(pPara->resType.type))) {
|
|
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
|
|
}
|
|
|
|
pFunc->node.resType = (SDataType){.bytes = tDataTypes[TSDB_DATA_TYPE_BINARY].bytes, .type = TSDB_DATA_TYPE_BINARY};
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
static int32_t translateSelectValue(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {
|
|
pFunc->node.resType = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->resType;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
// clang-format off
|
|
const SBuiltinFuncDefinition funcMgtBuiltins[] = {
|
|
{
|
|
.name = "count",
|
|
.type = FUNCTION_TYPE_COUNT,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED,
|
|
.translateFunc = translateCount,
|
|
.dataRequiredFunc = countDataRequired,
|
|
.getEnvFunc = getCountFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = countFunction,
|
|
.finalizeFunc = functionFinalize,
|
|
.invertFunc = countInvertFunction
|
|
},
|
|
{
|
|
.name = "sum",
|
|
.type = FUNCTION_TYPE_SUM,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED,
|
|
.translateFunc = translateSum,
|
|
.dataRequiredFunc = statisDataRequired,
|
|
.getEnvFunc = getSumFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = sumFunction,
|
|
.finalizeFunc = functionFinalize,
|
|
.invertFunc = sumInvertFunction
|
|
},
|
|
{
|
|
.name = "min",
|
|
.type = FUNCTION_TYPE_MIN,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED | FUNC_MGT_SELECT_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.dataRequiredFunc = statisDataRequired,
|
|
.getEnvFunc = getMinmaxFuncEnv,
|
|
.initFunc = minmaxFunctionSetup,
|
|
.processFunc = minFunction,
|
|
.finalizeFunc = minmaxFunctionFinalize
|
|
},
|
|
{
|
|
.name = "max",
|
|
.type = FUNCTION_TYPE_MAX,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SPECIAL_DATA_REQUIRED | FUNC_MGT_SELECT_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.dataRequiredFunc = statisDataRequired,
|
|
.getEnvFunc = getMinmaxFuncEnv,
|
|
.initFunc = minmaxFunctionSetup,
|
|
.processFunc = maxFunction,
|
|
.finalizeFunc = minmaxFunctionFinalize
|
|
},
|
|
{
|
|
.name = "stddev",
|
|
.type = FUNCTION_TYPE_STDDEV,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = getStddevFuncEnv,
|
|
.initFunc = stddevFunctionSetup,
|
|
.processFunc = stddevFunction,
|
|
.finalizeFunc = stddevFinalize,
|
|
.invertFunc = stddevInvertFunction
|
|
},
|
|
{
|
|
.name = "leastsquares",
|
|
.type = FUNCTION_TYPE_LEASTSQUARES,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateLeastSQR,
|
|
.getEnvFunc = getLeastSQRFuncEnv,
|
|
.initFunc = leastSQRFunctionSetup,
|
|
.processFunc = leastSQRFunction,
|
|
.finalizeFunc = leastSQRFinalize,
|
|
.invertFunc = leastSQRInvertFunction
|
|
},
|
|
{
|
|
.name = "avg",
|
|
.type = FUNCTION_TYPE_AVG,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = getAvgFuncEnv,
|
|
.initFunc = avgFunctionSetup,
|
|
.processFunc = avgFunction,
|
|
.finalizeFunc = avgFinalize,
|
|
.invertFunc = avgInvertFunction
|
|
},
|
|
{
|
|
.name = "percentile",
|
|
.type = FUNCTION_TYPE_PERCENTILE,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_REPEAT_SCAN_FUNC,
|
|
.translateFunc = translatePercentile,
|
|
.getEnvFunc = getPercentileFuncEnv,
|
|
.initFunc = percentileFunctionSetup,
|
|
.processFunc = percentileFunction,
|
|
.finalizeFunc = percentileFinalize
|
|
},
|
|
{
|
|
.name = "apercentile",
|
|
.type = FUNCTION_TYPE_APERCENTILE,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateApercentile,
|
|
.getEnvFunc = getMinmaxFuncEnv,
|
|
.initFunc = minmaxFunctionSetup,
|
|
.processFunc = maxFunction,
|
|
.finalizeFunc = functionFinalize
|
|
},
|
|
{
|
|
.name = "top",
|
|
.type = FUNCTION_TYPE_TOP,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC,
|
|
.translateFunc = translateTop,
|
|
.getEnvFunc = getTopBotFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = topFunction,
|
|
.finalizeFunc = topBotFinalize,
|
|
},
|
|
{
|
|
.name = "bottom",
|
|
.type = FUNCTION_TYPE_BOTTOM,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC,
|
|
.translateFunc = translateBottom,
|
|
.getEnvFunc = getTopBotFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = bottomFunction,
|
|
.finalizeFunc = topBotFinalize
|
|
},
|
|
{
|
|
.name = "spread",
|
|
.type = FUNCTION_TYPE_SPREAD,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateSpread,
|
|
.dataRequiredFunc = statisDataRequired,
|
|
.getEnvFunc = getSpreadFuncEnv,
|
|
.initFunc = spreadFunctionSetup,
|
|
.processFunc = spreadFunction,
|
|
.finalizeFunc = spreadFinalize
|
|
},
|
|
{
|
|
.name = "elapsed",
|
|
.type = FUNCTION_TYPE_ELAPSED,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.dataRequiredFunc = statisDataRequired,
|
|
.translateFunc = translateElapsed,
|
|
.getEnvFunc = getElapsedFuncEnv,
|
|
.initFunc = elapsedFunctionSetup,
|
|
.processFunc = elapsedFunction,
|
|
.finalizeFunc = elapsedFinalize
|
|
},
|
|
{
|
|
.name = "last_row",
|
|
.type = FUNCTION_TYPE_LAST_ROW,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC,
|
|
.translateFunc = translateLastRow,
|
|
.getEnvFunc = getMinmaxFuncEnv,
|
|
.initFunc = minmaxFunctionSetup,
|
|
.processFunc = maxFunction,
|
|
.finalizeFunc = functionFinalize
|
|
},
|
|
{
|
|
.name = "first",
|
|
.type = FUNCTION_TYPE_FIRST,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateFirstLast,
|
|
.getEnvFunc = getFirstLastFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = firstFunction,
|
|
.finalizeFunc = functionFinalize
|
|
},
|
|
{
|
|
.name = "last",
|
|
.type = FUNCTION_TYPE_LAST,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateFirstLast,
|
|
.getEnvFunc = getFirstLastFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = lastFunction,
|
|
.finalizeFunc = lastFinalize
|
|
},
|
|
{
|
|
.name = "histogram",
|
|
.type = FUNCTION_TYPE_HISTOGRAM,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateHistogram,
|
|
.getEnvFunc = getHistogramFuncEnv,
|
|
.initFunc = histogramFunctionSetup,
|
|
.processFunc = histogramFunction,
|
|
.finalizeFunc = histogramFinalize
|
|
},
|
|
{
|
|
.name = "hyperloglog",
|
|
.type = FUNCTION_TYPE_HYPERLOGLOG,
|
|
.classification = FUNC_MGT_AGG_FUNC,
|
|
.translateFunc = translateHLL,
|
|
.getEnvFunc = getHLLFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = hllFunction,
|
|
.finalizeFunc = hllFinalize
|
|
},
|
|
{
|
|
.name = "diff",
|
|
.type = FUNCTION_TYPE_DIFF,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateDiff,
|
|
.getEnvFunc = getDiffFuncEnv,
|
|
.initFunc = diffFunctionSetup,
|
|
.processFunc = diffFunction,
|
|
.finalizeFunc = functionFinalize
|
|
},
|
|
{
|
|
.name = "state_count",
|
|
.type = FUNCTION_TYPE_STATE_COUNT,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC,
|
|
.translateFunc = translateStateCount,
|
|
.getEnvFunc = getStateFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = stateCountFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "state_duration",
|
|
.type = FUNCTION_TYPE_STATE_DURATION,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateStateDuration,
|
|
.getEnvFunc = getStateFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = stateDurationFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "csum",
|
|
.type = FUNCTION_TYPE_CSUM,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateCsum,
|
|
.getEnvFunc = getCsumFuncEnv,
|
|
.initFunc = functionSetup,
|
|
.processFunc = csumFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "mavg",
|
|
.type = FUNCTION_TYPE_MAVG,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateMavg,
|
|
.getEnvFunc = getMavgFuncEnv,
|
|
.initFunc = mavgFunctionSetup,
|
|
.processFunc = mavgFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "sample",
|
|
.type = FUNCTION_TYPE_SAMPLE,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateSample,
|
|
.getEnvFunc = getSampleFuncEnv,
|
|
.initFunc = sampleFunctionSetup,
|
|
.processFunc = sampleFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "tail",
|
|
.type = FUNCTION_TYPE_TAIL,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateTail,
|
|
.getEnvFunc = getTailFuncEnv,
|
|
.initFunc = tailFunctionSetup,
|
|
.processFunc = tailFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "unique",
|
|
.type = FUNCTION_TYPE_UNIQUE,
|
|
.classification = FUNC_MGT_NONSTANDARD_SQL_FUNC | FUNC_MGT_TIMELINE_FUNC,
|
|
.translateFunc = translateUnique,
|
|
.getEnvFunc = getUniqueFuncEnv,
|
|
.initFunc = uniqueFunctionSetup,
|
|
.processFunc = uniqueFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "abs",
|
|
.type = FUNCTION_TYPE_ABS,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = absFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "log",
|
|
.type = FUNCTION_TYPE_LOG,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateIn2NumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = logFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "pow",
|
|
.type = FUNCTION_TYPE_POW,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateIn2NumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = powFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "sqrt",
|
|
.type = FUNCTION_TYPE_SQRT,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = sqrtFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "ceil",
|
|
.type = FUNCTION_TYPE_CEIL,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = ceilFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "floor",
|
|
.type = FUNCTION_TYPE_FLOOR,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = floorFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "round",
|
|
.type = FUNCTION_TYPE_ROUND,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInOutNum,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = roundFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "sin",
|
|
.type = FUNCTION_TYPE_SIN,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = sinFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "cos",
|
|
.type = FUNCTION_TYPE_COS,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = cosFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "tan",
|
|
.type = FUNCTION_TYPE_TAN,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = tanFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "asin",
|
|
.type = FUNCTION_TYPE_ASIN,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = asinFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "acos",
|
|
.type = FUNCTION_TYPE_ACOS,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = acosFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "atan",
|
|
.type = FUNCTION_TYPE_ATAN,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateInNumOutDou,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = atanFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "length",
|
|
.type = FUNCTION_TYPE_LENGTH,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateLength,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = lengthFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "char_length",
|
|
.type = FUNCTION_TYPE_CHAR_LENGTH,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateLength,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = charLengthFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "concat",
|
|
.type = FUNCTION_TYPE_CONCAT,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateConcat,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = concatFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "concat_ws",
|
|
.type = FUNCTION_TYPE_CONCAT_WS,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateConcatWs,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = concatWsFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "lower",
|
|
.type = FUNCTION_TYPE_LOWER,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateInOutStr,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = lowerFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "upper",
|
|
.type = FUNCTION_TYPE_UPPER,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateInOutStr,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = upperFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "ltrim",
|
|
.type = FUNCTION_TYPE_LTRIM,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateInOutStr,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = ltrimFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "rtrim",
|
|
.type = FUNCTION_TYPE_RTRIM,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateInOutStr,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = rtrimFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "substr",
|
|
.type = FUNCTION_TYPE_SUBSTR,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_STRING_FUNC,
|
|
.translateFunc = translateSubstr,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = substrFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "cast",
|
|
.type = FUNCTION_TYPE_CAST,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateCast,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = castFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "to_iso8601",
|
|
.type = FUNCTION_TYPE_TO_ISO8601,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateToIso8601,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = toISO8601Function,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "to_unixtimestamp",
|
|
.type = FUNCTION_TYPE_TO_UNIXTIMESTAMP,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateToUnixtimestamp,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = toUnixtimestampFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "timetruncate",
|
|
.type = FUNCTION_TYPE_TIMETRUNCATE,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateTimeTruncate,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = timeTruncateFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "timediff",
|
|
.type = FUNCTION_TYPE_TIMEDIFF,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateTimeDiff,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = timeDiffFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "now",
|
|
.type = FUNCTION_TYPE_NOW,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_DATETIME_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = nowFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "today",
|
|
.type = FUNCTION_TYPE_TODAY,
|
|
.classification = FUNC_MGT_SCALAR_FUNC | FUNC_MGT_DATETIME_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = todayFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "timezone",
|
|
.type = FUNCTION_TYPE_TIMEZONE,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateTimezone,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = timezoneFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "tbname",
|
|
.type = FUNCTION_TYPE_TBNAME,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_SCAN_PC_FUNC,
|
|
.translateFunc = translateTbnameColumn,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = qTbnameFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_qstartts",
|
|
.type = FUNCTION_TYPE_QSTARTTS,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_WINDOW_PC_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = getTimePseudoFuncEnv,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = qStartTsFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_qendts",
|
|
.type = FUNCTION_TYPE_QENDTS,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_WINDOW_PC_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = getTimePseudoFuncEnv,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = qEndTsFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_wstartts",
|
|
.type = FUNCTION_TYPE_WSTARTTS,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_WINDOW_PC_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = getTimePseudoFuncEnv,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = winStartTsFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_wendts",
|
|
.type = FUNCTION_TYPE_WENDTS,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_WINDOW_PC_FUNC,
|
|
.translateFunc = translateTimePseudoColumn,
|
|
.getEnvFunc = getTimePseudoFuncEnv,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = winEndTsFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_wduration",
|
|
.type = FUNCTION_TYPE_WDURATION,
|
|
.classification = FUNC_MGT_PSEUDO_COLUMN_FUNC | FUNC_MGT_WINDOW_PC_FUNC,
|
|
.translateFunc = translateWduration,
|
|
.getEnvFunc = getTimePseudoFuncEnv,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = winDurFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "to_json",
|
|
.type = FUNCTION_TYPE_TO_JSON,
|
|
.classification = FUNC_MGT_SCALAR_FUNC,
|
|
.translateFunc = translateToJson,
|
|
.getEnvFunc = NULL,
|
|
.initFunc = NULL,
|
|
.sprocessFunc = toJsonFunction,
|
|
.finalizeFunc = NULL
|
|
},
|
|
{
|
|
.name = "_select_value",
|
|
.type = FUNCTION_TYPE_SELECT_VALUE,
|
|
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC,
|
|
.translateFunc = translateSelectValue,
|
|
.getEnvFunc = getSelectivityFuncEnv, // todo remove this function later.
|
|
.initFunc = functionSetup,
|
|
.processFunc = NULL,
|
|
.finalizeFunc = NULL
|
|
}
|
|
};
|
|
// clang-format on
|
|
|
|
const int32_t funcMgtBuiltinsNum = (sizeof(funcMgtBuiltins) / sizeof(SBuiltinFuncDefinition));
|