mirror of https://github.com/pressly/goose.git
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package dialectquery
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import "fmt"
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type Sqlserver struct{}
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var _ Querier = (*Sqlserver)(nil)
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func (s *Sqlserver) CreateTable(tableName string) string {
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q := `CREATE TABLE %s (
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id INT NOT NULL IDENTITY(1,1) PRIMARY KEY,
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version_id BIGINT NOT NULL,
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is_applied BIT NOT NULL,
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tstamp DATETIME NULL DEFAULT CURRENT_TIMESTAMP
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)`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Sqlserver) InsertVersion(tableName string) string {
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q := `INSERT INTO %s (version_id, is_applied) VALUES (@p1, @p2)`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Sqlserver) DeleteVersion(tableName string) string {
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q := `DELETE FROM %s WHERE version_id=@p1`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Sqlserver) GetMigrationByVersion(tableName string) string {
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q := `
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WITH Migrations AS
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(
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SELECT tstamp, is_applied,
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ROW_NUMBER() OVER (ORDER BY tstamp) AS 'RowNumber'
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FROM %s
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WHERE version_id=@p1
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)
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SELECT tstamp, is_applied
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FROM Migrations
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WHERE RowNumber BETWEEN 1 AND 2
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ORDER BY tstamp DESC
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`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Sqlserver) ListMigrations(tableName string) string {
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q := `SELECT version_id, is_applied FROM %s ORDER BY id DESC`
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return fmt.Sprintf(q, tableName)
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}
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