fix: fix result of first can be 0 occasionally

2023-06-27 14:32:35 +08:00 · 2023-06-27 14:32:35 +08:00 · 56a715b5d5
parent 98fbf1abb4
commit 56a715b5d5
1 changed files with 4 additions and 0 deletions
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@ -2415,6 +2415,10 @@ int32_t lastFunction(SqlFunctionCtx* pCtx) {
 }

 static int32_t firstLastTransferInfoImpl(SFirstLastRes* pInput, SFirstLastRes* pOutput, bool isFirst) {
+  if (!pInput->hasResult) {
+    return TSDB_CODE_FAILED;
+  }
+
  if (pOutput->hasResult) {
    if (isFirst) {
      if (pInput->ts > pOutput->ts) {