database 新增 new,MigrateTables
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package database
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import (
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"git.apinb.com/bsm-sdk/core/database/sql"
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"git.apinb.com/bsm-sdk/core/types"
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"git.apinb.com/bsm-sdk/core/vars"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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)
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var (
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MigrateTables []any
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)
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// NewMysql 创建MySQL数据库服务
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func NewMysql(dsn []string, options *types.SqlOptions) (gormDb *gorm.DB, err error) {
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//set connection default val.
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if options == nil {
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options = &types.SqlOptions{
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MaxIdleConns: vars.SqlOptionMaxIdleConns,
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MaxOpenConns: vars.SqlOptionMaxIdleConns,
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ConnMaxLifetime: vars.SqlOptionConnMaxLifetime,
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LogStdout: false,
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Debug: true,
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}
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}
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gormDb, err = gorm.Open(mysql.Open(dsn[0]), &gorm.Config{
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SkipDefaultTransaction: true,
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})
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if err != nil {
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return nil, err
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}
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if options.Debug {
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gormDb = gormDb.Debug()
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}
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// 获取通用数据库对象 sql.DB ,然后使用其提供的功能
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sqlDB, _ := gormDb.DB()
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// SetMaxIdleConns 用于设置连接池中空闲连接的最大数量。
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sqlDB.SetMaxIdleConns(options.MaxIdleConns)
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// SetMaxOpenConns 设置打开数据库连接的最大数量。
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sqlDB.SetMaxOpenConns(options.MaxOpenConns)
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// SetConnMaxLifetime 设置了连接可复用的最大时间。
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sqlDB.SetConnMaxLifetime(options.ConnMaxLifetime)
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if len(MigrateTables) > 0 {
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err = gormDb.AutoMigrate(MigrateTables...)
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if err != nil {
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return nil, err
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}
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}
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return gormDb, nil
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}
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// NewPostgres 创建PostgreSQL数据库服务
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func NewPostgres(dsn []string, options *types.SqlOptions) (gormDb *gorm.DB, err error) {
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//set connection default val.
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if options == nil {
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options = &types.SqlOptions{
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MaxIdleConns: vars.SqlOptionMaxIdleConns,
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MaxOpenConns: vars.SqlOptionMaxIdleConns,
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ConnMaxLifetime: vars.SqlOptionConnMaxLifetime,
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LogStdout: false,
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Debug: true,
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}
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}
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gormDb, err = sql.NewPostgreSql(dsn[0], options)
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if err != nil {
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return nil, err
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}
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if options.Debug {
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gormDb = gormDb.Debug()
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}
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if len(MigrateTables) > 0 {
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err = gormDb.AutoMigrate(MigrateTables...)
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if err != nil {
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return nil, err
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}
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}
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return
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}
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