From 671470cd88daaf363f5df916445ddc0089e0d766 Mon Sep 17 00:00:00 2001
From: __hidehalo <tianchen_cc@yeah.net>
Date: Tue, 22 Dec 2020 17:11:36 +0800
Subject: [PATCH] Revert "expression: fix
 builtinAddDateStringIntSig#vecEvalTime"

This reverts commit 43b1b40df666eded50dcf23bf5c1992e9f824695.
---
 expression/builtin_time_vec_generated.go | 40 ++----------------------
 1 file changed, 2 insertions(+), 38 deletions(-)

diff --git a/expression/builtin_time_vec_generated.go b/expression/builtin_time_vec_generated.go
index f9f5292597818..e3cb499de5e6b 100644
--- a/expression/builtin_time_vec_generated.go
+++ b/expression/builtin_time_vec_generated.go
@@ -1681,44 +1681,8 @@ func (b *builtinAddDateStringStringSig) vectorized() bool {
 }
 
 func (b *builtinAddDateStringIntSig) vecEvalTime(input *chunk.Chunk, result *chunk.Column) error {
-	n := input.NumRows()
-	unit, isNull, err := b.args[2].EvalString(b.ctx, chunk.Row{})
-	if err != nil {
-		return err
-	}
-	if isNull {
-		result.ResizeTime(n, true)
-		return nil
-	}
-
-	intervalBuf, err := b.bufAllocator.get(types.ETString, n)
-	if err != nil {
-		return err
-	}
-	defer b.bufAllocator.put(intervalBuf)
-	if err := b.vecGetIntervalFromInt(&b.baseBuiltinFunc, input, unit, intervalBuf); err != nil {
-		return err
-	}
-
-	if err := b.vecGetDateFromString(&b.baseBuiltinFunc, input, unit, result); err != nil {
-		return err
-	}
-
-	result.MergeNulls(intervalBuf)
-	resDates := result.Times()
-	for i := 0; i < n; i++ {
-		if result.IsNull(i) {
-			continue
-		}
-		resDate, isNull, err := b.add(b.ctx, resDates[i], intervalBuf.GetString(i), unit)
-		if err != nil {
-			return err
-		}
-		if isNull {
-			result.SetNull(i, true)
-		} else {
-			resDates[i] = resDate
-		}
+	for i := 0; i < input.NumRows(); i++ {
+		result.AppendNull()
 	}
 	return nil
 }