fix(bug): generated ALTER TABLE codes

si3nloong · May 16, 2024 · 7741797 · 7741797
1 parent a843163
commit 7741797
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Showing 50 changed files with 155 additions and 154 deletions.
diff --git a/codegen/template.go b/codegen/template.go
@@ -90,11 +90,12 @@ func (g *Generator) createTableStmt() func(string, *templates.Model) string {
 	}
 }
 
-func (g *Generator) alterTableStmt() func(*templates.Model) string {
-	return func(model *templates.Model) string {
+func (g *Generator) alterTableStmt() func(string, *templates.Model) string {
+	return func(n string, model *templates.Model) string {
 		buf := strpool.AcquireString()
 		defer strpool.ReleaseString(buf)
-		buf.WriteString("ALTER TABLE " + g.QuoteIdentifier(model.TableName) + " ")
+		buf.WriteString(g.Quote("ALTER TABLE "))
+		buf.WriteString("+ " + n + ".TableName() +" + g.QuoteStringBegin() + " (")
 		for i, f := range model.Fields {
 			if i > 0 {
 				buf.WriteByte(',')
@@ -116,7 +117,7 @@ func (g *Generator) alterTableStmt() func(*templates.Model) string {
 		// if model.PK != nil {
 		// 	buf.WriteString(",MODIFY PRIMARY KEY (" + model.PK.Field.ColumnName + ")")
 		// }
-		buf.WriteByte(';')
+		buf.WriteString(");" + g.QuoteStringEnd())
 		return buf.String()
 	}
 }

diff --git a/codegen/templates/model.go.tpl b/codegen/templates/model.go.tpl
@@ -9,8 +9,8 @@
 func (v {{ $structName }}) CreateTableStmt() string {
 	return {{ createTable "v" . }}
 }
-func ({{ $structName }}) AlterTableStmt() string {
-	return {{ quote (alterTable .) }}
+func (v {{ $structName }}) AlterTableStmt() string {
+	return {{ alterTable "v" . }}
 }
 {{ if not $hasCustomTabler -}}
 func ({{ $structName }}) TableName() string {

diff --git a/examples/testcase/schema/custom-declare/generated.go b/examples/testcase/schema/custom-declare/generated.go
@@ -10,8 +10,8 @@ import (
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE a MODIFY name VARCHAR(255) NOT NULL;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (A) InsertVarQuery() string {
 	return "(?)"

diff --git a/examples/testcase/schema/custom-declare/generated.go.tpl b/examples/testcase/schema/custom-declare/generated.go.tpl
@@ -10,8 +10,8 @@ import (
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE a MODIFY name VARCHAR(255) NOT NULL;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (A) InsertVarQuery() string {
 	return "(?)"

diff --git a/examples/testcase/schema/dynamic-table-name/generated.go b/examples/testcase/schema/dynamic-table-name/generated.go
@@ -10,8 +10,8 @@ import (
 func (v Model) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (Model) AlterTableStmt() string {
-	return "ALTER TABLE model MODIFY name VARCHAR(255) NOT NULL;"
+func (v Model) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (Model) InsertVarQuery() string {
 	return "(?)"
@@ -32,8 +32,8 @@ func (v Model) GetName() sequel.ColumnValuer[string] {
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL,name VARCHAR(255) NOT NULL,PRIMARY KEY (id));"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE a MODIFY id BIGINT NOT NULL,MODIFY name VARCHAR(255) NOT NULL AFTER id;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL,MODIFY name VARCHAR(255) NOT NULL AFTER id);"
 }
 func (A) InsertVarQuery() string {
 	return "(?,?)"

diff --git a/examples/testcase/schema/dynamic-table-name/generated.go.tpl b/examples/testcase/schema/dynamic-table-name/generated.go.tpl
@@ -10,8 +10,8 @@ import (
 func (v Model) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (Model) AlterTableStmt() string {
-	return "ALTER TABLE model MODIFY name VARCHAR(255) NOT NULL;"
+func (v Model) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (Model) InsertVarQuery() string {
 	return "(?)"
@@ -32,8 +32,8 @@ func (v Model) GetName() sequel.ColumnValuer[string] {
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL,name VARCHAR(255) NOT NULL,PRIMARY KEY (id));"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE a MODIFY id BIGINT NOT NULL,MODIFY name VARCHAR(255) NOT NULL AFTER id;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL,MODIFY name VARCHAR(255) NOT NULL AFTER id);"
 }
 func (A) InsertVarQuery() string {
 	return "(?,?)"

diff --git a/examples/testcase/schema/generated.go b/examples/testcase/schema/generated.go
@@ -12,8 +12,8 @@ import (
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,text VARCHAR(255) NOT NULL,created_at DATETIME NOT NULL);"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE Apple MODIFY id VARCHAR(255) NOT NULL,MODIFY text VARCHAR(255) NOT NULL AFTER id,MODIFY created_at DATETIME NOT NULL AFTER text;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL,MODIFY text VARCHAR(255) NOT NULL AFTER id,MODIFY created_at DATETIME NOT NULL AFTER text);"
 }
 func (A) TableName() string {
 	return "Apple"
@@ -46,8 +46,8 @@ func (v A) GetCreatedAt() sequel.ColumnValuer[time.Time] {
 func (v B) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,created_at DATETIME NOT NULL);"
 }
-func (B) AlterTableStmt() string {
-	return "ALTER TABLE b MODIFY id VARCHAR(255) NOT NULL,MODIFY created_at DATETIME NOT NULL AFTER id;"
+func (v B) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL,MODIFY created_at DATETIME NOT NULL AFTER id);"
 }
 func (B) TableName() string {
 	return "b"
@@ -77,8 +77,8 @@ func (v B) GetCreatedAt() sequel.ColumnValuer[time.Time] {
 func (v C) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL,PRIMARY KEY (id));"
 }
-func (C) AlterTableStmt() string {
-	return "ALTER TABLE c MODIFY id BIGINT NOT NULL;"
+func (v C) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL);"
 }
 func (C) TableName() string {
 	return "c"
@@ -108,8 +108,8 @@ func (v C) GetID() sequel.ColumnValuer[int64] {
 func (v D) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,PRIMARY KEY (id));"
 }
-func (D) AlterTableStmt() string {
-	return "ALTER TABLE d MODIFY id VARCHAR(255) NOT NULL;"
+func (v D) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL);"
 }
 func (D) TableName() string {
 	return "d"

diff --git a/examples/testcase/schema/generated.go.tpl b/examples/testcase/schema/generated.go.tpl
@@ -12,8 +12,8 @@ import (
 func (v A) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,text VARCHAR(255) NOT NULL,created_at DATETIME NOT NULL);"
 }
-func (A) AlterTableStmt() string {
-	return "ALTER TABLE Apple MODIFY id VARCHAR(255) NOT NULL,MODIFY text VARCHAR(255) NOT NULL AFTER id,MODIFY created_at DATETIME NOT NULL AFTER text;"
+func (v A) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL,MODIFY text VARCHAR(255) NOT NULL AFTER id,MODIFY created_at DATETIME NOT NULL AFTER text);"
 }
 func (A) TableName() string {
 	return "Apple"
@@ -46,8 +46,8 @@ func (v A) GetCreatedAt() sequel.ColumnValuer[time.Time] {
 func (v B) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,created_at DATETIME NOT NULL);"
 }
-func (B) AlterTableStmt() string {
-	return "ALTER TABLE b MODIFY id VARCHAR(255) NOT NULL,MODIFY created_at DATETIME NOT NULL AFTER id;"
+func (v B) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL,MODIFY created_at DATETIME NOT NULL AFTER id);"
 }
 func (B) TableName() string {
 	return "b"
@@ -77,8 +77,8 @@ func (v B) GetCreatedAt() sequel.ColumnValuer[time.Time] {
 func (v C) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL,PRIMARY KEY (id));"
 }
-func (C) AlterTableStmt() string {
-	return "ALTER TABLE c MODIFY id BIGINT NOT NULL;"
+func (v C) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL);"
 }
 func (C) TableName() string {
 	return "c"
@@ -108,8 +108,8 @@ func (v C) GetID() sequel.ColumnValuer[int64] {
 func (v D) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id VARCHAR(255) NOT NULL,PRIMARY KEY (id));"
 }
-func (D) AlterTableStmt() string {
-	return "ALTER TABLE d MODIFY id VARCHAR(255) NOT NULL;"
+func (v D) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id VARCHAR(255) NOT NULL);"
 }
 func (D) TableName() string {
 	return "d"

diff --git a/examples/testcase/schema/nopk/generated.go b/examples/testcase/schema/nopk/generated.go
@@ -10,8 +10,8 @@ import (
 func (v Customer) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL,age TINYINT UNSIGNED NOT NULL,married TINYINT NOT NULL);"
 }
-func (Customer) AlterTableStmt() string {
-	return "ALTER TABLE customer MODIFY name VARCHAR(255) NOT NULL,MODIFY age TINYINT UNSIGNED NOT NULL AFTER name,MODIFY married TINYINT NOT NULL AFTER age;"
+func (v Customer) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL,MODIFY age TINYINT UNSIGNED NOT NULL AFTER name,MODIFY married TINYINT NOT NULL AFTER age);"
 }
 func (Customer) TableName() string {
 	return "customer"

diff --git a/examples/testcase/schema/nopk/generated.go.tpl b/examples/testcase/schema/nopk/generated.go.tpl
@@ -10,8 +10,8 @@ import (
 func (v Customer) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL,age TINYINT UNSIGNED NOT NULL,married TINYINT NOT NULL);"
 }
-func (Customer) AlterTableStmt() string {
-	return "ALTER TABLE customer MODIFY name VARCHAR(255) NOT NULL,MODIFY age TINYINT UNSIGNED NOT NULL AFTER name,MODIFY married TINYINT NOT NULL AFTER age;"
+func (v Customer) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL,MODIFY age TINYINT UNSIGNED NOT NULL AFTER name,MODIFY married TINYINT NOT NULL AFTER age);"
 }
 func (Customer) TableName() string {
 	return "customer"

diff --git a/examples/testcase/schema/table-name/generated.go b/examples/testcase/schema/table-name/generated.go
@@ -10,8 +10,8 @@ import (
 func (v CustomTableName1) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName1) AlterTableStmt() string {
-	return "ALTER TABLE CustomTableName_1 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName1) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName1) TableName() string {
 	return "CustomTableName_1"
@@ -38,8 +38,8 @@ func (v CustomTableName1) GetText() sequel.ColumnValuer[string] {
 func (v CustomTableName2) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName2) AlterTableStmt() string {
-	return "ALTER TABLE table_2 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName2) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName2) TableName() string {
 	return "table_2"
@@ -66,8 +66,8 @@ func (v CustomTableName2) GetText() sequel.ColumnValuer[string] {
 func (v CustomTableName3) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName3) AlterTableStmt() string {
-	return "ALTER TABLE table_3 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName3) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName3) TableName() string {
 	return "table_3"

diff --git a/examples/testcase/schema/table-name/generated.go.tpl b/examples/testcase/schema/table-name/generated.go.tpl
@@ -10,8 +10,8 @@ import (
 func (v CustomTableName1) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName1) AlterTableStmt() string {
-	return "ALTER TABLE CustomTableName_1 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName1) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName1) TableName() string {
 	return "CustomTableName_1"
@@ -38,8 +38,8 @@ func (v CustomTableName1) GetText() sequel.ColumnValuer[string] {
 func (v CustomTableName2) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName2) AlterTableStmt() string {
-	return "ALTER TABLE table_2 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName2) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName2) TableName() string {
 	return "table_2"
@@ -66,8 +66,8 @@ func (v CustomTableName2) GetText() sequel.ColumnValuer[string] {
 func (v CustomTableName3) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (text VARCHAR(255) NOT NULL);"
 }
-func (CustomTableName3) AlterTableStmt() string {
-	return "ALTER TABLE table_3 MODIFY text VARCHAR(255) NOT NULL;"
+func (v CustomTableName3) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY text VARCHAR(255) NOT NULL);"
 }
 func (CustomTableName3) TableName() string {
 	return "table_3"

diff --git a/examples/testcase/struct-field/alias/generated.go b/examples/testcase/struct-field/alias/generated.go
@@ -12,8 +12,8 @@ import (
 func (v AliasStruct) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (b FLOAT NOT NULL,Id BIGINT NOT NULL,header VARCHAR(255) NOT NULL,raw BLOB,text VARCHAR(255) NOT NULL,null_str VARCHAR(255) NOT NULL,created DATETIME NOT NULL,updated DATETIME NOT NULL,PRIMARY KEY (Id));"
 }
-func (AliasStruct) AlterTableStmt() string {
-	return "ALTER TABLE alias_struct MODIFY b FLOAT NOT NULL,MODIFY Id BIGINT NOT NULL AFTER b,MODIFY header VARCHAR(255) NOT NULL AFTER Id,MODIFY raw BLOB AFTER header,MODIFY text VARCHAR(255) NOT NULL AFTER raw,MODIFY null_str VARCHAR(255) NOT NULL AFTER text,MODIFY created DATETIME NOT NULL AFTER null_str,MODIFY updated DATETIME NOT NULL AFTER created;"
+func (v AliasStruct) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY b FLOAT NOT NULL,MODIFY Id BIGINT NOT NULL AFTER b,MODIFY header VARCHAR(255) NOT NULL AFTER Id,MODIFY raw BLOB AFTER header,MODIFY text VARCHAR(255) NOT NULL AFTER raw,MODIFY null_str VARCHAR(255) NOT NULL AFTER text,MODIFY created DATETIME NOT NULL AFTER null_str,MODIFY updated DATETIME NOT NULL AFTER created);"
 }
 func (AliasStruct) TableName() string {
 	return "alias_struct"
@@ -70,8 +70,8 @@ func (v AliasStruct) GetUpdated() sequel.ColumnValuer[time.Time] {
 func (v B) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (B) AlterTableStmt() string {
-	return "ALTER TABLE b MODIFY name VARCHAR(255) NOT NULL;"
+func (v B) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (B) TableName() string {
 	return "b"
@@ -98,8 +98,8 @@ func (v B) GetName() sequel.ColumnValuer[string] {
 func (v C) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL);"
 }
-func (C) AlterTableStmt() string {
-	return "ALTER TABLE c MODIFY id BIGINT NOT NULL;"
+func (v C) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL);"
 }
 func (C) TableName() string {
 	return "c"

diff --git a/examples/testcase/struct-field/alias/generated.go.tpl b/examples/testcase/struct-field/alias/generated.go.tpl
@@ -12,8 +12,8 @@ import (
 func (v AliasStruct) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (b FLOAT NOT NULL,Id BIGINT NOT NULL,header VARCHAR(255) NOT NULL,raw BLOB,text VARCHAR(255) NOT NULL,null_str VARCHAR(255) NOT NULL,created DATETIME NOT NULL,updated DATETIME NOT NULL,PRIMARY KEY (Id));"
 }
-func (AliasStruct) AlterTableStmt() string {
-	return "ALTER TABLE alias_struct MODIFY b FLOAT NOT NULL,MODIFY Id BIGINT NOT NULL AFTER b,MODIFY header VARCHAR(255) NOT NULL AFTER Id,MODIFY raw BLOB AFTER header,MODIFY text VARCHAR(255) NOT NULL AFTER raw,MODIFY null_str VARCHAR(255) NOT NULL AFTER text,MODIFY created DATETIME NOT NULL AFTER null_str,MODIFY updated DATETIME NOT NULL AFTER created;"
+func (v AliasStruct) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY b FLOAT NOT NULL,MODIFY Id BIGINT NOT NULL AFTER b,MODIFY header VARCHAR(255) NOT NULL AFTER Id,MODIFY raw BLOB AFTER header,MODIFY text VARCHAR(255) NOT NULL AFTER raw,MODIFY null_str VARCHAR(255) NOT NULL AFTER text,MODIFY created DATETIME NOT NULL AFTER null_str,MODIFY updated DATETIME NOT NULL AFTER created);"
 }
 func (AliasStruct) TableName() string {
 	return "alias_struct"
@@ -70,8 +70,8 @@ func (v AliasStruct) GetUpdated() sequel.ColumnValuer[time.Time] {
 func (v B) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (name VARCHAR(255) NOT NULL);"
 }
-func (B) AlterTableStmt() string {
-	return "ALTER TABLE b MODIFY name VARCHAR(255) NOT NULL;"
+func (v B) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY name VARCHAR(255) NOT NULL);"
 }
 func (B) TableName() string {
 	return "b"
@@ -98,8 +98,8 @@ func (v B) GetName() sequel.ColumnValuer[string] {
 func (v C) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT NOT NULL);"
 }
-func (C) AlterTableStmt() string {
-	return "ALTER TABLE c MODIFY id BIGINT NOT NULL;"
+func (v C) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT NOT NULL);"
 }
 func (C) TableName() string {
 	return "c"

diff --git a/examples/testcase/struct-field/array/generated.go b/examples/testcase/struct-field/array/generated.go
@@ -11,8 +11,8 @@ import (
 func (v Array) CreateTableStmt() string {
 	return "CREATE TABLE IF NOT EXISTS " + v.TableName() + " (id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,bool_list JSON NOT NULL,str_list JSON NOT NULL,custom_str_list JSON NOT NULL,int_list JSON NOT NULL,int_8_list JSON NOT NULL,int_16_list JSON NOT NULL,int_32_list JSON NOT NULL,int_64_list JSON NOT NULL,uint_list JSON NOT NULL,uint_8_list JSON NOT NULL,uint_16_list JSON NOT NULL,uint_32_list JSON NOT NULL,uint_64_list JSON NOT NULL,f_32_list JSON NOT NULL,f_64_list JSON NOT NULL,PRIMARY KEY (id));"
 }
-func (Array) AlterTableStmt() string {
-	return "ALTER TABLE array MODIFY id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,MODIFY bool_list JSON NOT NULL AFTER id,MODIFY str_list JSON NOT NULL AFTER bool_list,MODIFY custom_str_list JSON NOT NULL AFTER str_list,MODIFY int_list JSON NOT NULL AFTER custom_str_list,MODIFY int_8_list JSON NOT NULL AFTER int_list,MODIFY int_16_list JSON NOT NULL AFTER int_8_list,MODIFY int_32_list JSON NOT NULL AFTER int_16_list,MODIFY int_64_list JSON NOT NULL AFTER int_32_list,MODIFY uint_list JSON NOT NULL AFTER int_64_list,MODIFY uint_8_list JSON NOT NULL AFTER uint_list,MODIFY uint_16_list JSON NOT NULL AFTER uint_8_list,MODIFY uint_32_list JSON NOT NULL AFTER uint_16_list,MODIFY uint_64_list JSON NOT NULL AFTER uint_32_list,MODIFY f_32_list JSON NOT NULL AFTER uint_64_list,MODIFY f_64_list JSON NOT NULL AFTER f_32_list;"
+func (v Array) AlterTableStmt() string {
+	return "ALTER TABLE " + v.TableName() + " (MODIFY id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,MODIFY bool_list JSON NOT NULL AFTER id,MODIFY str_list JSON NOT NULL AFTER bool_list,MODIFY custom_str_list JSON NOT NULL AFTER str_list,MODIFY int_list JSON NOT NULL AFTER custom_str_list,MODIFY int_8_list JSON NOT NULL AFTER int_list,MODIFY int_16_list JSON NOT NULL AFTER int_8_list,MODIFY int_32_list JSON NOT NULL AFTER int_16_list,MODIFY int_64_list JSON NOT NULL AFTER int_32_list,MODIFY uint_list JSON NOT NULL AFTER int_64_list,MODIFY uint_8_list JSON NOT NULL AFTER uint_list,MODIFY uint_16_list JSON NOT NULL AFTER uint_8_list,MODIFY uint_32_list JSON NOT NULL AFTER uint_16_list,MODIFY uint_64_list JSON NOT NULL AFTER uint_32_list,MODIFY f_32_list JSON NOT NULL AFTER uint_64_list,MODIFY f_64_list JSON NOT NULL AFTER f_32_list);"
 }
 func (Array) TableName() string {
 	return "array"