mig_0027_cleanup_invalid_rows_missing_org_id.go
Copyright 2022 Red Hat, Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at `http://www.apache.org/licenses/LICENSE-2.0` Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. This migration deletes invalid rows from tables that were modified in mig0026 (added and populated orgid columns based on `report` table) -- clusterruletoggle, clusterruleuserfeedback and clusteruserruledisablefeedback. If the newly populated org_id columns are at the default value (0), that means we don't have that cluster in the report table (could happen, we sometimes don't check if a cluster exists), therefore they're invalid rows.	package ocpmigrations import ( "database/sql" "fmt" "github.com/RedHatInsights/insights-results-aggregator/migration" "github.com/RedHatInsights/insights-results-aggregator/types" "github.com/rs/zerolog/log" ) const ( deleteEmptyOrgIDQuery = "DELETE FROM %v WHERE org_id = '0'" ) var tablesToDeleteFrom = [ ] string { "cluster_rule_toggle" , "cluster_rule_user_feedback" , "cluster_user_rule_disable_feedback" , } var mig0027CleanupInvalidRowsMissingOrgID = migration . Migration { StepUp : func ( tx * sql . Tx , driver types . DBDriver ) error { if driver == types . DBDriverPostgres { for _ , table := range tablesToDeleteFrom { deleteQuery := fmt . Sprintf ( deleteEmptyOrgIDQuery , table )
execute delete	`res , err := tx . Exec ( deleteQuery ) if err != nil { return err }`
check number of affected (deleted) rows	`deletedRows , err := res . RowsAffected ( ) if err != nil { log . Error ( ) . Err ( err ) . Msg ( "unable to retrieve number of deleted rows" ) return err } log . Info ( ) . Msgf ( "deleted %d rows from table %v" , deletedRows , table ) } } return nil } , StepDown : func ( tx * sql . Tx , driver types . DBDriver ) error { log . Info ( ) . Msg ( "Mig0027 is a one-way ticket. Nothing to be done for StepDown." ) return nil } , }`

mig_0027_cleanup_invalid_rows_missing_org_id.go

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

This migration deletes invalid rows from tables that were modified in mig0026 (added and populated orgid columns based on report table) -- clusterruletoggle, clusterruleuserfeedback and clusteruserruledisablefeedback. If the newly populated org_id columns are at the default value (0), that means we don't have that cluster in the report table (could happen, we sometimes don't check if a cluster exists), therefore they're invalid rows.

package
 ocpmigrations


import
 (
	"database/sql"

	"fmt"


	"github.com/RedHatInsights/insights-results-aggregator/migration"

	"github.com/RedHatInsights/insights-results-aggregator/types"

	"github.com/rs/zerolog/log"

)


const
 (
	deleteEmptyOrgIDQuery
 =
 "DELETE FROM %v WHERE org_id = '0'"

)


var
 tablesToDeleteFrom
 =
 [
]
string
{
	"cluster_rule_toggle"
,
	"cluster_rule_user_feedback"
,
	"cluster_user_rule_disable_feedback"
,
}


var
 mig0027CleanupInvalidRowsMissingOrgID
 =
 migration
.
Migration
{
	StepUp
:
 func
(
tx
 *
sql
.
Tx
,
 driver
 types
.
DBDriver
)
 error
 {

		if
 driver
 ==
 types
.
DBDriverPostgres
 {
			for
 _
,
 table
 :=
 range
 tablesToDeleteFrom
 {
				deleteQuery
 :=
 fmt
.
Sprintf
(
deleteEmptyOrgIDQuery
,
 table
)

execute delete

				res
,
 err
 :=
 tx
.
Exec
(
deleteQuery
)

				if
 err
 !=
 nil
 {
					return
 err

				}

check number of affected (deleted) rows

				deletedRows
,
 err
 :=
 res
.
RowsAffected
(
)

				if
 err
 !=
 nil
 {
					log
.
Error
(
)
.
Err
(
err
)
.
Msg
(
"unable to retrieve number of deleted rows"
)

					return
 err

				}


				log
.
Info
(
)
.
Msgf
(
"deleted %d rows from table %v"
,
 deletedRows
,
 table
)

			}

		}


		return
 nil

	}
,
	StepDown
:
 func
(
tx
 *
sql
.
Tx
,
 driver
 types
.
DBDriver
)
 error
 {
		log
.
Info
(
)
.
Msg
(
"Mig0027 is a one-way ticket. Nothing to be done for StepDown."
)

		return
 nil

	}
,
}