mirror of
https://git.mirrors.martin98.com/https://github.com/SigNoz/signoz
synced 2025-06-04 11:25:52 +08:00
94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package sqlmigration
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import (
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"context"
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"github.com/SigNoz/signoz/pkg/factory"
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"github.com/uptrace/bun"
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"github.com/uptrace/bun/migrate"
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)
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type modifyDatetime struct{}
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func NewModifyDatetimeFactory() factory.ProviderFactory[SQLMigration, Config] {
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return factory.NewProviderFactory(factory.MustNewName("modify_datetime"), newModifyDatetime)
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}
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func newModifyDatetime(_ context.Context, _ factory.ProviderSettings, _ Config) (SQLMigration, error) {
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return &modifyDatetime{}, nil
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}
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func (migration *modifyDatetime) Register(migrations *migrate.Migrations) error {
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if err := migrations.Register(migration.Up, migration.Down); err != nil {
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return err
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}
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return nil
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}
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func (migration *modifyDatetime) Up(ctx context.Context, db *bun.DB) error {
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// only run this for old sqlite db
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if db.Dialect().Name().String() != "sqlite" {
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return nil
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}
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// begin transaction
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tx, err := db.BeginTx(ctx, nil)
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if err != nil {
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return err
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}
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defer func() {
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_ = tx.Rollback()
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}()
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tables := []string{"dashboards", "rules", "planned_maintenance", "ttl_status", "saved_views"}
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columns := []string{"created_at", "updated_at"}
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for _, table := range tables {
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for _, column := range columns {
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if err := modifyColumn(ctx, tx, table, column); err != nil {
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return err
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}
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}
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}
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for _, column := range []string{"started_at", "terminated_at"} {
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if err := modifyColumn(ctx, tx, "agents", column); err != nil {
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return err
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}
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}
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if err := tx.Commit(); err != nil {
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return err
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}
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return nil
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}
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func modifyColumn(ctx context.Context, tx bun.Tx, table string, column string) error {
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// rename old column
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if _, err := tx.ExecContext(ctx, `ALTER TABLE `+table+` RENAME COLUMN `+column+` TO `+column+`_old`); err != nil {
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return err
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}
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// cannot add not null constraint to the column
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if _, err := tx.ExecContext(ctx, `ALTER TABLE `+table+` ADD COLUMN `+column+` TIMESTAMP`); err != nil {
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return err
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}
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// update the new column with the value of the old column
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if _, err := tx.ExecContext(ctx, `UPDATE `+table+` SET `+column+` = `+column+`_old`); err != nil {
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return err
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}
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// drop the old column
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if _, err := tx.ExecContext(ctx, `ALTER TABLE `+table+` DROP COLUMN `+column+`_old`); err != nil {
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return err
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}
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return nil
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}
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func (migration *modifyDatetime) Down(ctx context.Context, db *bun.DB) error {
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return nil
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}
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