mirror of https://github.com/pressly/goose.git
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package dialectquery
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import "fmt"
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type Duckdb struct{}
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var _ Querier = (*Duckdb)(nil)
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func (s *Duckdb) CreateTable(tableName string) string {
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q := `
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CREATE SEQUENCE %s_id;
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CREATE TABLE %s (
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id BIGINT PRIMARY KEY DEFAULT NEXTVAL('%s_id'),
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version_id BIGINT NOT NULL,
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is_applied BOOLEAN NOT NULL,
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tstamp TIMESTAMP DEFAULT (current_date())
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)`
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return fmt.Sprintf(q, tableName, tableName, tableName)
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}
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func (s *Duckdb) InsertVersion(tableName string) string {
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q := `INSERT INTO %s (version_id, is_applied) VALUES (?, ?)`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Duckdb) DeleteVersion(tableName string) string {
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q := `DELETE FROM %s WHERE version_id=?`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Duckdb) GetMigrationByVersion(tableName string) string {
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q := `SELECT tstamp, is_applied FROM %s WHERE version_id=? ORDER BY tstamp DESC LIMIT 1`
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return fmt.Sprintf(q, tableName)
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}
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func (s *Duckdb) 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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