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65 lines
1.0 KiB
65 lines
1.0 KiB
package database
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import (
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"fmt"
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"log"
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)
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const current = 1
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func (d *DB) mustExec(query string, args ...any) {
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_, err := d.db.Exec(query, args...)
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if err != nil {
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log.Fatalf("Failed to exec %s %s", query, args)
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}
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}
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func (d *DB) version() (int, error) {
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rows, err := d.db.Query("PRAGMA user_version")
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if err != nil {
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return -1, err
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}
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defer rows.Close()
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for rows.Next() {
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var v int
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err = rows.Scan(&v)
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if err != nil {
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return -1, err
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}
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return v, nil
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}
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return -1, nil
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}
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func (d *DB) setVersion(version int) {
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d.mustExec(fmt.Sprintf("PRAGMA user_version = %d", version))
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}
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func (d *DB) migrate() {
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version, err := d.version()
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if err != nil {
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log.Fatalf("failed to get version %s", err)
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return
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}
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switch version {
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case 0:
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d.mustExec(`
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CREATE TABLE todos (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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title TEXT NOT NULL,
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completed INTEGER NOT NULL
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);
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`)
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d.setVersion(1)
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fallthrough
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case 1:
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// Not falling through
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default:
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log.Fatalf("Unknown version %d", version)
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}
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}
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