provisioning: uses unix epoch timestamps. (#10907)
* provisioning: uses unix epoch timestamps.
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@@ -24,3 +24,23 @@ func addTableRenameMigration(mg *Migrator, oldName string, newName string, versi
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migrationId := fmt.Sprintf("Rename table %s to %s - %s", oldName, newName, versionSuffix)
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mg.AddMigration(migrationId, NewRenameTableMigration(oldName, newName))
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}
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func addTableReplaceMigrations(mg *Migrator, from Table, to Table, migrationVersion int64, tableDataMigration map[string]string) {
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fromV := version(migrationVersion - 1)
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toV := version(migrationVersion)
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tmpTableName := to.Name + "_tmp_qwerty"
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createTable := fmt.Sprintf("create %v %v", to.Name, toV)
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copyTableData := fmt.Sprintf("copy %v %v to %v", to.Name, fromV, toV)
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dropTable := fmt.Sprintf("drop %v", tmpTableName)
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addTableRenameMigration(mg, from.Name, tmpTableName, fromV)
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mg.AddMigration(createTable, NewAddTableMigration(to))
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addTableIndicesMigrations(mg, toV, to)
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mg.AddMigration(copyTableData, NewCopyTableDataMigration(to.Name, tmpTableName, tableDataMigration))
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mg.AddMigration(dropTable, NewDropTableMigration(tmpTableName))
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}
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func version(v int64) string {
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return fmt.Sprintf("v%v", v)
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}
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