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add top getenv function for merge function

This commit is contained in:
Ganlin Zhao 2022-06-11 16:39:26 +08:00
parent 15ba5769e0
commit b9cc1e6d09
3 changed files with 8 additions and 1 deletions
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1
source/libs/function/inc/builtinsimpl.h
View File

@ -99,6 +99,7 @@ int32_t firstCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
int32_t lastCombine(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx);
bool getTopBotFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv);
bool getTopBotMergeFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv);
bool topBotFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo* pResultInfo);
int32_t topFunction(SqlFunctionCtx *pCtx);
int32_t topFunctionMerge(SqlFunctionCtx *pCtx);

2
source/libs/function/src/builtins.c
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@ -1559,7 +1559,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.type = FUNCTION_TYPE_TOP_MERGE,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_INDEFINITE_ROWS_FUNC,
.translateFunc = translateTopBotMerge,
.getEnvFunc = getTopBotFuncEnv,
.getEnvFunc = getTopBotMergeFuncEnv,
.initFunc = functionSetup,
.processFunc = topFunctionMerge,
.finalizeFunc = topBotFinalize,

6
source/libs/function/src/builtinsimpl.c
View File

@ -2661,6 +2661,12 @@ bool getTopBotFuncEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
return true;
}
bool getTopBotFuncMergeEnv(SFunctionNode* pFunc, SFuncExecEnv* pEnv) {
//intermediate result is binary and length contains VAR header size
pEnv->calcMemSize = pFunc->node.resType.bytes - VARSTR_HEADER_SIZE;
return true;
}
bool topBotFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResInfo) {
if (!functionSetup(pCtx, pResInfo)) {
return false;