From 0255f6a5ada0940176343b51f7391fbea9fb56a9 Mon Sep 17 00:00:00 2001
From: Shenghui Wu <793703860@qq.com>
Date: Tue, 10 Dec 2019 16:38:25 +0800
Subject: [PATCH] expression: fix a bug in builtinHourSig vec-function (#13949)

---
 expression/builtin_time_vec.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go
index 1e41a7c99e2d5..9b1c9f0e375fe 100644
--- a/expression/builtin_time_vec.go
+++ b/expression/builtin_time_vec.go
@@ -1748,7 +1748,17 @@ func (b *builtinHourSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) er
 	}
 	defer b.bufAllocator.put(buf)
 	if err = b.args[0].VecEvalDuration(b.ctx, input, buf); err != nil {
-		return err
+		result.ResizeInt64(n, false)
+		i64s := result.Int64s()
+		for i := 0; i < n; i++ {
+			res, isNull, err := b.evalInt(input.GetRow(i))
+			if err != nil {
+				return err
+			}
+			result.SetNull(i, isNull)
+			i64s[i] = res
+		}
+		return nil
 	}
 
 	result.ResizeInt64(n, false)