order

type AddColumn ¶

type AddColumn struct {
	ColumnName       string
	DataType         string
	NumericPrecision int
	NumericScale     int
	NotNull          bool
	Default          string
}

func (x AddColumn) String() string

type AddPrimaryKey ¶

type AddPrimaryKey struct {
	Columns []string
}

func (x AddPrimaryKey) String() string

type AlterColumn ¶

type AlterColumn struct {
	ColumnName string
	Change     Change
}

AlterColumn is a child change of AlterTable, and accepts a child column change.

func (x AlterColumn) String() string

type AlterTable ¶

type AlterTable struct {
	SchemaName string
	TableName  string
	Change     Change
}

Alter an existing table. This change occurs when you have matching table names but the schema doesn't match.

func (x AlterTable) String() string

type Change ¶

type Change interface {
	String() string
}

func Changes(a, b db.DatabaseNode) []Change

type CreateExtension ¶

type CreateExtension struct {
	ExtName string
}

Create a missing extension.

func (x CreateExtension) String() string

type CreateIndex ¶

type CreateIndex struct {
	SchemaName string
	TableName  string
	IndexName  string
	Exprs      []string
	Unique     bool
}

func (x CreateIndex) String() string

type CreateSchema ¶

type CreateSchema struct {
	SchemaName string
}

func (x CreateSchema) String() string

type CreateTable ¶

type CreateTable struct {
	SchemaName string
	TableName  string
}

func (x CreateTable) String() string

type DropColumn ¶

type DropColumn struct {
	ColumnName string
}

DropColumn drops an existing column from existing table. It's a child change that requires a parent AlterTable.

func (x DropColumn) String() string

type DropConstraint ¶

type DropConstraint struct {
	ConstraintName string
}

DropConstraint is a nested change that requires a parent AlterTable change.

func (x DropConstraint) String() string

type DropIndex ¶

type DropIndex struct {
	SchemaName string
	IndexName  string
}

func (x DropIndex) String() string

type DropTable ¶

type DropTable struct {
	SchemaName string
	TableName  string
}

Drop an existing table. This change occurs when you have a table name in the old schema with no match in the new schema.

func (x DropTable) String() string

type Raw ¶

type Raw string

func (s Raw) String() string

type SetDataType ¶

type SetDataType struct {
	DataType         string
	NumericPrecision int
	NumericScale     int
	Using            string
}

SetDataType is a child change of AlterColumn. It changes a data using a cast function.

func (x SetDataType) String() string

type SetDefault ¶

type SetDefault struct {
	Default string
}

func (x SetDefault) String() string