add fallback for else

pingcap · Sep 14, 2020 · f15c7c0 · f15c7c0
1 parent 15ef76b
commit f15c7c0
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Showing 2 changed files with 24 additions and 9 deletions.
diff --git a/expression/builtin_compare_vec_generated.go b/expression/builtin_compare_vec_generated.go
diff --git a/expression/generator/compare_vec.go b/expression/generator/compare_vec.go
@@ -248,16 +248,21 @@ func (b *builtin{{ .compare.CompareName }}{{ .type.TypeName }}Sig) vecEval{{ .ty
 	argLen := len(b.args)
 
 	bufs := make([]*chunk.Column, argLen)
-
+	sc := b.ctx.GetSessionVars().StmtCtx
+	beforeWarns := sc.WarningCount()
 	for i := 0; i < argLen; i++ {
 		buf, err := b.bufAllocator.get(types.ETInt, n)
 		if err != nil {
 			return err
 		}
 		defer b.bufAllocator.put(buf)
 		err = b.args[i].VecEval{{ .type.TypeName }}(b.ctx, input, buf)
-		if err != nil {
-			return err
+		afterWarns := sc.WarningCount()
+		if err != nil || afterWarns > beforeWarns {
+			if afterWarns > beforeWarns {
+				sc.TruncateWarnings(int(beforeWarns))
+			}
+			return b.fallbackEval{{ .type.TypeName }}(input, result)
 		}
 		bufs[i]=buf
 	}