mirror of https://github.com/go-gorm/gorm.git
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
package gorm
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import (
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"database/sql"
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"gorm.io/gorm/clause"
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"gorm.io/gorm/schema"
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)
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// Migrator returns migrator
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func (db *DB) Migrator() Migrator {
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return db.Dialector.Migrator(db.Session(&Session{WithConditions: true}))
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}
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// AutoMigrate run auto migration for given models
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func (db *DB) AutoMigrate(dst ...interface{}) error {
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return db.Migrator().AutoMigrate(dst...)
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}
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// ViewOption view option
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type ViewOption struct {
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Replace bool
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CheckOption string
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Query *DB
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}
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type Migrator interface {
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// AutoMigrate
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AutoMigrate(dst ...interface{}) error
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// Database
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CurrentDatabase() string
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FullDataTypeOf(*schema.Field) clause.Expr
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// Tables
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CreateTable(dst ...interface{}) error
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DropTable(dst ...interface{}) error
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HasTable(dst interface{}) bool
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RenameTable(oldName, newName interface{}) error
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// Columns
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AddColumn(dst interface{}, field string) error
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DropColumn(dst interface{}, field string) error
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AlterColumn(dst interface{}, field string) error
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MigrateColumn(dst interface{}, field *schema.Field, columnType *sql.ColumnType) error
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HasColumn(dst interface{}, field string) bool
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RenameColumn(dst interface{}, oldName, field string) error
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ColumnTypes(dst interface{}) ([]*sql.ColumnType, error)
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// Views
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CreateView(name string, option ViewOption) error
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DropView(name string) error
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// Constraints
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CreateConstraint(dst interface{}, name string) error
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DropConstraint(dst interface{}, name string) error
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HasConstraint(dst interface{}, name string) bool
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// Indexes
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CreateIndex(dst interface{}, name string) error
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DropIndex(dst interface{}, name string) error
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HasIndex(dst interface{}, name string) bool
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RenameIndex(dst interface{}, oldName, newName string) error
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}
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