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mysql_test.go
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mysql_test.go
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// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.
package schema
import (
"context"
"math"
"regexp"
"strings"
"testing"
"entgo.io/ent/dialect"
"entgo.io/ent/dialect/entsql"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/schema/field"
"github.com/DATA-DOG/go-sqlmock"
"github.com/stretchr/testify/require"
)
func TestMySQL_Create(t *testing.T) {
tests := []struct {
name string
tables []*Table
options []MigrateOption
before func(mysqlMock)
wantErr bool
}{
{
name: "tx failed",
before: func(mock mysqlMock) {
mock.ExpectBegin().
WillReturnError(sqlmock.ErrCancelled)
},
wantErr: true,
},
{
name: "no tables",
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.ExpectCommit()
},
},
{
name: "create new table",
tables: []*Table{
{
Name: "users",
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "age", Type: field.TypeInt},
{Name: "doc", Type: field.TypeJSON, Nullable: true},
{Name: "enums", Type: field.TypeEnum, Enums: []string{"a", "b"}},
{Name: "uuid", Type: field.TypeUUID, Nullable: true},
{Name: "ts", Type: field.TypeTime},
{Name: "ts_default", Type: field.TypeTime, Default: "CURRENT_TIMESTAMP"},
{Name: "datetime", Type: field.TypeTime, SchemaType: map[string]string{dialect.MySQL: "datetime"}, Default: "CURRENT_TIMESTAMP"},
{Name: "decimal", Type: field.TypeFloat32, SchemaType: map[string]string{dialect.MySQL: "decimal(6,2)"}},
{Name: "unsigned decimal", Type: field.TypeFloat32, SchemaType: map[string]string{dialect.MySQL: "decimal(6,2) unsigned"}},
{Name: "float", Type: field.TypeFloat32, SchemaType: map[string]string{dialect.MySQL: "float"}, Default: "0"},
},
Annotation: &entsql.Annotation{
Charset: "utf8",
Collation: "utf8_general_ci",
Options: "ENGINE = INNODB",
Check: "price > 0",
Checks: map[string]string{
"valid_age": "age > 0",
"valid_name": "name <> ''",
},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.8")
mock.tableExists("users", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `users`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NULL, `age` bigint NOT NULL, `doc` json NULL, `enums` enum('a', 'b') NOT NULL, `uuid` char(36) binary NULL, `ts` timestamp NULL, `ts_default` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `datetime` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `decimal` decimal(6,2) NOT NULL, `unsigned decimal` decimal(6,2) unsigned NOT NULL, `float` float NOT NULL DEFAULT '0', PRIMARY KEY(`id`), CHECK (price > 0), CONSTRAINT `valid_age` CHECK (age > 0), CONSTRAINT `valid_name` CHECK (name <> '')) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = INNODB")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "create new table with specific field collation",
tables: []*Table{
{
Name: "users",
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "address", Type: field.TypeString, Nullable: true, Collation: "utf8_unicode_ci"},
{Name: "age", Type: field.TypeInt},
{Name: "doc", Type: field.TypeJSON, Nullable: true},
{Name: "enums", Type: field.TypeEnum, Enums: []string{"a", "b"}},
{Name: "uuid", Type: field.TypeUUID, Nullable: true},
{Name: "datetime", Type: field.TypeTime, SchemaType: map[string]string{dialect.MySQL: "datetime"}, Default: "CURRENT_TIMESTAMP"},
{Name: "decimal", Type: field.TypeFloat32, SchemaType: map[string]string{dialect.MySQL: "decimal(6,2)"}},
},
Annotation: &entsql.Annotation{
Charset: "utf8",
Collation: "utf8_general_ci",
Options: "ENGINE = INNODB",
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.33")
mock.tableExists("users", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `users`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NULL, `address` varchar(255) NULL COLLATE utf8_unicode_ci, `age` bigint NOT NULL, `doc` json NULL, `enums` enum('a', 'b') NOT NULL, `uuid` char(36) binary NULL, `datetime` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `decimal` decimal(6,2) NOT NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8 COLLATE utf8_general_ci ENGINE = INNODB")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "create new table 5.6",
tables: []*Table{
{
Name: "users",
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "age", Type: field.TypeInt},
{Name: "name", Type: field.TypeString, Unique: true},
{Name: "doc", Type: field.TypeJSON, Nullable: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.6.35")
mock.tableExists("users", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `users`(`id` bigint AUTO_INCREMENT NOT NULL, `age` bigint NOT NULL, `name` varchar(191) UNIQUE NOT NULL, `doc` longblob NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "create new table with foreign key",
tables: func() []*Table {
var (
c1 = []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "created_at", Type: field.TypeTime},
}
c2 = []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString},
{Name: "owner_id", Type: field.TypeInt, Nullable: true},
}
t1 = &Table{
Name: "users",
Columns: c1,
PrimaryKey: c1[0:1],
}
t2 = &Table{
Name: "pets",
Columns: c2,
PrimaryKey: c2[0:1],
ForeignKeys: []*ForeignKey{
{
Symbol: "pets_owner",
Columns: c2[2:],
RefTable: t1,
RefColumns: c1[0:1],
OnDelete: Cascade,
},
},
}
)
return []*Table{t1, t2}
}(),
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `users`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NULL, `created_at` timestamp NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.tableExists("pets", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `pets`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NOT NULL, `owner_id` bigint NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.fkExists("pets_owner", false)
mock.ExpectExec(escape("ALTER TABLE `pets` ADD CONSTRAINT `pets_owner` FOREIGN KEY(`owner_id`) REFERENCES `users`(`id`) ON DELETE CASCADE")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "create new table with foreign key disabled",
options: []MigrateOption{
WithForeignKeys(false),
},
tables: func() []*Table {
var (
c1 = []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "created_at", Type: field.TypeTime},
}
c2 = []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString},
{Name: "owner_id", Type: field.TypeInt, Nullable: true},
}
t1 = &Table{
Name: "users",
Columns: c1,
PrimaryKey: c1[0:1],
}
t2 = &Table{
Name: "pets",
Columns: c2,
PrimaryKey: c2[0:1],
ForeignKeys: []*ForeignKey{
{
Symbol: "pets_owner",
Columns: c2[2:],
RefTable: t1,
RefColumns: c1[0:1],
OnDelete: Cascade,
},
},
}
)
return []*Table{t1, t2}
}(),
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `users`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NULL, `created_at` timestamp NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.tableExists("pets", false)
mock.ExpectExec(escape("CREATE TABLE IF NOT EXISTS `pets`(`id` bigint AUTO_INCREMENT NOT NULL, `name` varchar(255) NOT NULL, `owner_id` bigint NULL, PRIMARY KEY(`id`)) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add columns to table",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "text", Type: field.TypeString, Nullable: true, Size: math.MaxInt32},
{Name: "mediumtext", Type: field.TypeString, Nullable: true, SchemaType: map[string]string{dialect.MySQL: "mediumtext"}},
{Name: "uuid", Type: field.TypeUUID, Nullable: true},
{Name: "date", Type: field.TypeTime, Nullable: true, SchemaType: map[string]string{dialect.MySQL: "date"}},
{Name: "age", Type: field.TypeInt},
{Name: "tiny", Type: field.TypeInt8},
{Name: "tiny_unsigned", Type: field.TypeUint8},
{Name: "small", Type: field.TypeInt16},
{Name: "small_unsigned", Type: field.TypeUint16},
{Name: "big", Type: field.TypeInt64},
{Name: "big_unsigned", Type: field.TypeUint64},
{Name: "decimal", Type: field.TypeFloat64, SchemaType: map[string]string{dialect.MySQL: "decimal(6,2)"}},
{Name: "unsigned_decimal", Type: field.TypeFloat64, SchemaType: map[string]string{dialect.MySQL: "decimal(6,2) unsigned"}},
{Name: "ts", Type: field.TypeTime},
{Name: "timestamp", Type: field.TypeTime, SchemaType: map[string]string{dialect.MySQL: "TIMESTAMP"}, Default: "CURRENT_TIMESTAMP"},
{Name: "float", Type: field.TypeFloat32, SchemaType: map[string]string{dialect.MySQL: "float"}, Default: "0"},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("8.0.19")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "YES", "YES", "NULL", "", "", "", nil, nil).
AddRow("text", "longtext", "YES", "YES", "NULL", "", "", "", nil, nil).
AddRow("mediumtext", "mediumtext", "YES", "YES", "NULL", "", "", "", nil, nil).
AddRow("uuid", "char(36)", "YES", "YES", "NULL", "", "", "utf8mb4_bin", nil, nil).
AddRow("date", "date", "YES", "YES", "NULL", "", "", "", nil, nil).
// 8.0.19: new int column type formats
AddRow("tiny", "tinyint", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("tiny_unsigned", "tinyint unsigned", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("small", "smallint", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("small_unsigned", "smallint unsigned", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("big", "bigint", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("big_unsigned", "bigint unsigned", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("decimal", "decimal(6,2)", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("unsigned_decimal", "decimal(6,2) unsigned", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("timestamp", "timestamp", "NO", "NO", "CURRENT_TIMESTAMP", "DEFAULT_GENERATED on update CURRENT_TIMESTAMP", "", "", nil, nil).
AddRow("float", "float", "NO", "NO", "0", "0", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `age` bigint NOT NULL, ADD COLUMN `ts` timestamp NOT NULL, MODIFY COLUMN `timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "enums",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "enums1", Type: field.TypeEnum, Enums: []string{"a", "b"}}, // add enum.
{Name: "enums2", Type: field.TypeEnum, Enums: []string{"a"}}, // remove enum.
{Name: "enums3", Type: field.TypeEnum, Enums: []string{"a", "b c"}}, // no changes.
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "YES", "YES", "NULL", "", "", "", nil, nil).
AddRow("enums1", "enum('a')", "YES", "NO", "NULL", "", "", "", nil, nil).
AddRow("enums2", "enum('b', 'a')", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("enums3", "enum('a', 'b c')", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` MODIFY COLUMN `enums1` enum('a', 'b') NOT NULL, MODIFY COLUMN `enums2` enum('a') NOT NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "datetime and timestamp",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{dialect.MySQL: "datetime"}, Nullable: true},
{Name: "updated_at", Type: field.TypeTime, SchemaType: map[string]string{dialect.MySQL: "datetime"}, Nullable: true},
{Name: "deleted_at", Type: field.TypeTime, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("created_at", "datetime", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("updated_at", "timestamp", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("deleted_at", "datetime", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` MODIFY COLUMN `updated_at` datetime NULL, MODIFY COLUMN `deleted_at` timestamp NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add int column with default value to table",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "age", Type: field.TypeInt, Default: 10},
{Name: "doc", Type: field.TypeJSON, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.6.0")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "YES", "YES", "NULL", "", "", "", nil, nil).
AddRow("doc", "longblob", "YES", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `age` bigint NOT NULL DEFAULT 10")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add blob columns",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "tiny", Type: field.TypeBytes, Size: 100},
{Name: "blob", Type: field.TypeBytes, Size: 1e3},
{Name: "medium", Type: field.TypeBytes, Size: 1e5},
{Name: "long", Type: field.TypeBytes, Size: 1e8},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `tiny` tinyblob NOT NULL, ADD COLUMN `blob` blob NOT NULL, ADD COLUMN `medium` mediumblob NOT NULL, ADD COLUMN `long` longblob NOT NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add binary column",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "binary", Type: field.TypeBytes, Size: 20, SchemaType: map[string]string{dialect.MySQL: "binary(20)"}},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("8.0.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `binary` binary(20) NOT NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "accept varbinary columns",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "tiny", Type: field.TypeBytes, Size: 100},
{Name: "medium", Type: field.TypeBytes, Size: math.MaxUint32},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("tiny", "varbinary(255)", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("medium", "varbinary(255)", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` MODIFY COLUMN `medium` longblob NOT NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add float column with default value to table",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "age", Type: field.TypeFloat64, Default: 10.1},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec("ALTER TABLE `users` ADD COLUMN `age` double NOT NULL DEFAULT 10.1").
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add bool column with default value",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "age", Type: field.TypeBool, Default: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec("ALTER TABLE `users` ADD COLUMN `age` boolean NOT NULL DEFAULT true").
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add string column with default value",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "nick", Type: field.TypeString, Default: "unknown"},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "YES", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `nick` varchar(255) NOT NULL DEFAULT 'unknown'")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add column with unsupported default value",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "nick", Type: field.TypeString, Size: 1 << 17, Default: "unknown"},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "YES", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` ADD COLUMN `nick` longtext NOT NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "drop columns",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
options: []MigrateOption{WithDropColumn(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "NO", "YES", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` DROP COLUMN `name`")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "modify column to nullable",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "age", Type: field.TypeInt},
{Name: "name", Type: field.TypeString, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("name", "varchar(255)", "NO", "YES", "NULL", "", "", "", nil, nil).
AddRow("age", "bigint(20)", "NO", "NO", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
mock.ExpectExec(escape("ALTER TABLE `users` MODIFY COLUMN `name` varchar(255) NULL")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "apply uniqueness on column",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "age", Type: field.TypeInt, Unique: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("age", "bigint(20)", "NO", "", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1"))
// create the unique index.
mock.ExpectExec(escape("CREATE UNIQUE INDEX `age` ON `users`(`age`)")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "remove uniqueness from column without option",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "age", Type: field.TypeInt},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("age", "bigint(20)", "NO", "UNI", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("age", "age", nil, "0", "1"))
mock.ExpectCommit()
},
},
{
name: "remove uniqueness from column with option",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "age", Type: field.TypeInt},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
options: []MigrateOption{WithDropIndex(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("age", "bigint(20)", "NO", "UNI", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("age", "age", nil, "0", "1"))
// check if a foreign-key needs to be dropped.
mock.ExpectQuery(escape("SELECT `CONSTRAINT_NAME` FROM `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` WHERE `TABLE_NAME` = ? AND `COLUMN_NAME` = ? AND `POSITION_IN_UNIQUE_CONSTRAINT` IS NOT NULL AND `TABLE_SCHEMA` = (SELECT DATABASE())")).
WithArgs("users", "age").
WillReturnRows(sqlmock.NewRows([]string{"CONSTRAINT_NAME"}))
// drop the unique index.
mock.ExpectExec(escape("DROP INDEX `age` ON `users`")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "increase index sub_part",
tables: func() []*Table {
t := &Table{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "text", Type: field.TypeString, Size: math.MaxInt32, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
Indexes: []*Index{
{Name: "prefix_text", Annotation: &entsql.IndexAnnotation{Prefix: 100}},
},
}
t.Indexes[0].Columns = t.Columns[1:]
return []*Table{t}
}(),
options: []MigrateOption{WithDropIndex(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("text", "longtext", "YES", "NO", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("prefix_text", "text", "50", "0", "1"))
mock.ExpectQuery(escape("SELECT `CONSTRAINT_NAME` FROM `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` WHERE `TABLE_NAME` = ? AND `COLUMN_NAME` = ? AND `POSITION_IN_UNIQUE_CONSTRAINT` IS NOT NULL AND `TABLE_SCHEMA` = (SELECT DATABASE())")).
WithArgs("users", "text").
WillReturnRows(sqlmock.NewRows([]string{"CONSTRAINT_NAME"}))
// modify index by dropping and creating it.
mock.ExpectExec(escape("DROP INDEX `prefix_text` ON `users`")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectExec(escape("CREATE INDEX `prefix_text` ON `users`(`text`(100))")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "ignore foreign keys on index dropping",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "parent_id", Type: field.TypeInt, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
ForeignKeys: []*ForeignKey{
{
Symbol: "parent_id",
Columns: []*Column{
{Name: "parent_id", Type: field.TypeInt, Nullable: true},
},
},
},
},
},
options: []MigrateOption{WithDropIndex(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("parent_id", "bigint(20)", "YES", "NULL", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("old_index", "old", nil, "0", "1").
AddRow("parent_id", "parent_id", nil, "0", "1"))
// drop the unique index.
mock.ExpectExec(escape("DROP INDEX `old_index` ON `users`")).
WillReturnResult(sqlmock.NewResult(0, 1))
// foreign key already exist.
mock.fkExists("parent_id", true)
mock.ExpectCommit()
},
},
{
name: "drop foreign key with column and index",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
options: []MigrateOption{WithDropIndex(true), WithDropColumn(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("parent_id", "bigint(20)", "YES", "NULL", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("parent_id", "parent_id", nil, "0", "1"))
// check if a foreign-key needs to be dropped.
mock.ExpectQuery(escape("SELECT `CONSTRAINT_NAME` FROM `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` WHERE `TABLE_NAME` = ? AND `COLUMN_NAME` = ? AND `POSITION_IN_UNIQUE_CONSTRAINT` IS NOT NULL AND `TABLE_SCHEMA` = (SELECT DATABASE())")).
WithArgs("users", "parent_id").
WillReturnRows(sqlmock.NewRows([]string{"CONSTRAINT_NAME"}).AddRow("users_parent_id"))
mock.ExpectExec(escape("ALTER TABLE `users` DROP FOREIGN KEY `users_parent_id`")).
WillReturnResult(sqlmock.NewResult(0, 1))
// drop the unique index.
mock.ExpectExec(escape("DROP INDEX `parent_id` ON `users`")).
WillReturnResult(sqlmock.NewResult(0, 1))
// drop the unique index.
mock.ExpectExec(escape("ALTER TABLE `users` DROP COLUMN `parent_id`")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "create a new simple-index for the foreign-key",
tables: []*Table{
{
Name: "users",
Columns: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "parent_id", Type: field.TypeInt, Nullable: true},
},
PrimaryKey: []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
},
},
},
options: []MigrateOption{WithDropIndex(true), WithDropColumn(true)},
before: func(mock mysqlMock) {
mock.start("5.7.23")
mock.tableExists("users", true)
mock.ExpectQuery(escape("SELECT `column_name`, `column_type`, `is_nullable`, `column_key`, `column_default`, `extra`, `character_set_name`, `collation_name`, `numeric_precision`, `numeric_scale` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ?")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"column_name", "column_type", "is_nullable", "column_key", "column_default", "extra", "character_set_name", "collation_name", "numeric_precision", "numeric_scale"}).
AddRow("id", "bigint(20)", "NO", "PRI", "NULL", "auto_increment", "", "", nil, nil).
AddRow("parent_id", "bigint(20)", "YES", "NULL", "NULL", "", "", "", nil, nil))
mock.ExpectQuery(escape("SELECT `index_name`, `column_name`, `sub_part`, `non_unique`, `seq_in_index` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = (SELECT DATABASE()) AND `TABLE_NAME` = ? ORDER BY `index_name`, `seq_in_index`")).
WithArgs("users").
WillReturnRows(sqlmock.NewRows([]string{"index_name", "column_name", "sub_part", "non_unique", "seq_in_index"}).
AddRow("PRIMARY", "id", nil, "0", "1").
AddRow("parent_id", "parent_id", nil, "0", "1"))
// check if there's a foreign-key that is associated with this index.
mock.ExpectQuery(escape("SELECT `CONSTRAINT_NAME` FROM `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` WHERE `TABLE_NAME` = ? AND `COLUMN_NAME` = ? AND `POSITION_IN_UNIQUE_CONSTRAINT` IS NOT NULL AND `TABLE_SCHEMA` = (SELECT DATABASE())")).
WithArgs("users", "parent_id").
WillReturnRows(sqlmock.NewRows([]string{"CONSTRAINT_NAME"}).AddRow("users_parent_id"))
// create a new index, to replace the old one (that needs to be dropped).
mock.ExpectExec(escape("CREATE INDEX `users_parent_id` ON `users`(`parent_id`)")).
WillReturnResult(sqlmock.NewResult(0, 1))
// drop the unique index.
mock.ExpectExec(escape("DROP INDEX `parent_id` ON `users`")).
WillReturnResult(sqlmock.NewResult(0, 1))
mock.ExpectCommit()
},
},
{
name: "add edge to table",
tables: func() []*Table {
var (
c1 = []*Column{
{Name: "id", Type: field.TypeInt, Increment: true},
{Name: "name", Type: field.TypeString, Nullable: true},
{Name: "spouse_id", Type: field.TypeInt, Nullable: true},
}
t1 = &Table{
Name: "users",
Columns: c1,
PrimaryKey: c1[0:1],
ForeignKeys: []*ForeignKey{
{
Symbol: "user_spouse" + strings.Repeat("_", 64), // super long fk.
Columns: c1[2:],
RefColumns: c1[0:1],
OnDelete: Cascade,
},
},
}
)
t1.ForeignKeys[0].RefTable = t1
return []*Table{t1}
}(),