From 9583e0b376966ba9b3720d446e40c36a9ed2e83c Mon Sep 17 00:00:00 2001
From: AilinKid <314806019@qq.com>
Date: Thu, 2 Jan 2020 13:08:08 +0800
Subject: [PATCH 1/3] add invalid auto increment offset error

---
 mysql/errcode.go | 1 +
 mysql/errname.go | 1 +
 2 files changed, 2 insertions(+)

diff --git a/mysql/errcode.go b/mysql/errcode.go
index 1344bdc88..946e31b54 100644
--- a/mysql/errcode.go
+++ b/mysql/errcode.go
@@ -1029,6 +1029,7 @@ const (
 	ErrInvalidType                         = 8057
 	ErrUnknownAllocatorType                = 8058
 	ErrAutoRandReadFailed                  = 8059
+	ErrInvalidIncrementAndOffset           = 8060
 
 	// Error codes used by TiDB ddl package
 	ErrUnsupportedDDLOperation        = 8200
diff --git a/mysql/errname.go b/mysql/errname.go
index 467202b97..b64817069 100644
--- a/mysql/errname.go
+++ b/mysql/errname.go
@@ -1037,6 +1037,7 @@ var MySQLErrName = map[uint16]string{
 	ErrCannotCancelDDLJob:         "This job:%v is almost finished, can't be cancelled now",
 	ErrUnknownAllocatorType:       "Invalid allocator type",
 	ErrAutoRandReadFailed:         "Failed to read auto-random value from storage engine",
+	ErrInvalidIncrementAndOffset:  "Invalid auto increment and offset",
 
 	ErrSequenceUnsupportedTableOption:      "Unsupported sequence table-option %s",
 	ErrUnsupportedType:                     "Unsupported type %T",

From 6506a1a9b360180534c61ffd41bd222d2f162851 Mon Sep 17 00:00:00 2001
From: AilinKid <314806019@qq.com>
Date: Thu, 2 Jan 2020 14:16:00 +0800
Subject: [PATCH 2/3] .

---
 mysql/errname.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysql/errname.go b/mysql/errname.go
index b64817069..a916b632b 100644
--- a/mysql/errname.go
+++ b/mysql/errname.go
@@ -1037,7 +1037,7 @@ var MySQLErrName = map[uint16]string{
 	ErrCannotCancelDDLJob:         "This job:%v is almost finished, can't be cancelled now",
 	ErrUnknownAllocatorType:       "Invalid allocator type",
 	ErrAutoRandReadFailed:         "Failed to read auto-random value from storage engine",
-	ErrInvalidIncrementAndOffset:  "Invalid auto increment and offset",
+	ErrInvalidIncrementAndOffset:  "Invalid auto increment %d and offset %d, valid range is [1, 65535]",
 
 	ErrSequenceUnsupportedTableOption:      "Unsupported sequence table-option %s",
 	ErrUnsupportedType:                     "Unsupported type %T",

From 9fe30d7d9089d1b0583a6f9cb071dc308dd23907 Mon Sep 17 00:00:00 2001
From: AilinKid <314806019@qq.com>
Date: Thu, 2 Jan 2020 14:17:58 +0800
Subject: [PATCH 3/3] address comment

---
 mysql/errname.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysql/errname.go b/mysql/errname.go
index a916b632b..4fce1e98f 100644
--- a/mysql/errname.go
+++ b/mysql/errname.go
@@ -1037,7 +1037,7 @@ var MySQLErrName = map[uint16]string{
 	ErrCannotCancelDDLJob:         "This job:%v is almost finished, can't be cancelled now",
 	ErrUnknownAllocatorType:       "Invalid allocator type",
 	ErrAutoRandReadFailed:         "Failed to read auto-random value from storage engine",
-	ErrInvalidIncrementAndOffset:  "Invalid auto increment %d and offset %d, valid range is [1, 65535]",
+	ErrInvalidIncrementAndOffset:  "Invalid auto_increment settings: auto_increment_increment: %d, auto_increment_offset: %d, both of them must be in range [1..65535]",
 
 	ErrSequenceUnsupportedTableOption:      "Unsupported sequence table-option %s",
 	ErrUnsupportedType:                     "Unsupported type %T",