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change output format to JSON array

This commit is contained in:
Ganlin Zhao 2023-02-22 11:44:17 +08:00
parent 61140d3143
commit d6ac7de746
1 changed files with 7 additions and 2 deletions
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9
source/libs/function/src/builtinsimpl.c
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@ -1675,8 +1675,9 @@ int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
if (pCtx->numOfParams > 2) {
char buf[512] = {0};
size_t len = 0;
size_t len = 1;
varDataVal(buf)[0] = '[';
for (int32_t i = 1; i < pCtx->numOfParams; ++i) {
SVariant* pVal = &pCtx->param[i].param;
@ -1687,7 +1688,11 @@ int32_t percentileFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
goto _fin_error;
}
len += snprintf(varDataVal(buf) + len, sizeof(buf) - VARSTR_HEADER_SIZE - len, "%.6lf; ", ppInfo->result);
if (i == pCtx->numOfParams - 1) {
len += snprintf(varDataVal(buf) + len, sizeof(buf) - VARSTR_HEADER_SIZE - len, "%.6lf]", ppInfo->result);
} else {
len += snprintf(varDataVal(buf) + len, sizeof(buf) - VARSTR_HEADER_SIZE - len, "%.6lf, ", ppInfo->result);
}
}
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;