mig_0016_add_recommendations_table.go

 
/*
Copyright © 2020, 2021, 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.
*/



package
 
ocpmigrations



import
 
(

	
"database/sql"


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

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


)



var
 
mig0016AddRecommendationsTable
 
=
 
migration
.
Migration
{

	
StepUp
:
 
func
(
tx
 
*
sql
.
Tx
,
 
driver
 
types
.
DBDriver
)
 
error
 
{

Create recommendation table using currently stored rule hits

 
		
if
 
driver
 
!=
 
types
.
DBDriverPostgres
 
{

			
_
,
 
err
 
:=
 
tx
.
Exec
(
`
			CREATE TABLE recommendation
				AS SELECT
					org_id,
					cluster_id,
					rule_fqdn,
					error_key
				FROM rule_hit;
			`
)

stop here if not working with postgres

 
			
return
 
err

		
}

Create recommendation table using records from rule_hit table

 
		
_
,
 
err
 
:=
 
tx
.
Exec
(
`
			CREATE TABLE recommendation
				AS SELECT
					org_id,
					cluster_id,
					REGEXP_REPLACE(rule_fqdn, 'report$', error_key) AS rule_fqdn,
					error_key
				FROM rule_hit;
		`
)


		
if
 
err
 
!=
 
nil
 
{

			
return
 
err

		
}

Add the primary_key to the new table

 
		
_
,
 
err
 
=
 
tx
.
Exec
(
`
			ALTER TABLE recommendation
				ADD CONSTRAINT recommendation_pk
					PRIMARY KEY (org_id, cluster_id, rule_fqdn, error_key);`
)

		
return
 
err

	
}
,

	
StepDown
:
 
func
(
tx
 
*
sql
.
Tx
,
 
driver
 
types
.
DBDriver
)
 
error
 
{

		
_
,
 
err
 
:=
 
tx
.
Exec
(
`
			DROP TABLE recommendation;
		`
)

		
return
 
err

	
}
,


}