fix: fix result of first can be 0 occasionally

56a715b5 · Ganlin Zhao · 98fbf1ab · 56a715b5
隐藏空白更改
内联并排

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source/libs/function/src/builtinsimpl.c source/libs/function/src/builtinsimpl.c +4 -0

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--- 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) {