From 42dee40a4e7f14d19da3f4c6428ba7a1b31be5f4 Mon Sep 17 00:00:00 2001
From: piyongcai <Pyc@371226@>
Date: Mon, 16 May 2022 10:22:04 +0800
Subject: [PATCH] =?UTF-8?q?in=20schema/field.go=201.Add=20UniqueIndex=20fi?=
 =?UTF-8?q?eld=20to=20Field's=20struct=E3=80=82=202.Resolve=20UniqueIndex?=
 =?UTF-8?q?=20value=20from=20StructField.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

in migrator/migrator.go -> MigrateColumn
1.check unique, Check for the uniqueIndex and unique simultaneously
---
 migrator/migrator.go | 2 +-
 schema/field.go      | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/migrator/migrator.go b/migrator/migrator.go
index d4989410..130c2a79 100644
--- a/migrator/migrator.go
+++ b/migrator/migrator.go
@@ -440,7 +440,7 @@ func (m Migrator) MigrateColumn(value interface{}, field *schema.Field, columnTy
 	}
 
 	// check unique
-	if unique, ok := columnType.Unique(); ok && unique != field.Unique {
+	if unique, ok := columnType.Unique(); ok && !(unique == field.Unique || unique == field.UniqueIndex) {
 		// not primary key
 		if !field.PrimaryKey {
 			alterColumn = true
diff --git a/schema/field.go b/schema/field.go
index d6df6596..4d25c56a 100644
--- a/schema/field.go
+++ b/schema/field.go
@@ -69,6 +69,7 @@ type Field struct {
 	DefaultValueInterface  interface{}
 	NotNull                bool
 	Unique                 bool
+	UniqueIndex            bool
 	Comment                string
 	Size                   int
 	Precision              int
@@ -114,6 +115,7 @@ func (schema *Schema) ParseField(fieldStruct reflect.StructField) *Field {
 		HasDefaultValue:        utils.CheckTruth(tagSetting["AUTOINCREMENT"]),
 		NotNull:                utils.CheckTruth(tagSetting["NOT NULL"], tagSetting["NOTNULL"]),
 		Unique:                 utils.CheckTruth(tagSetting["UNIQUE"]),
+		UniqueIndex:            utils.CheckTruth(tagSetting["UNIQUEINDEX"]),
 		Comment:                tagSetting["COMMENT"],
 		AutoIncrementIncrement: 1,
 	}