migratedb.v1.integrationtest.database.mutation.Db2CreateTableMutation.kt Maven / Gradle / Ivy
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/*
* Copyright 2022-2024 The MigrateDB contributors
*
* 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 migratedb.v1.integrationtest.database.mutation
import migratedb.v1.integrationtest.util.base.SafeIdentifier
import migratedb.v1.integrationtest.util.base.work
import java.sql.Connection
/**
* (DB2 only) Creates / drops a table.
*/
class Db2CreateTableMutation(
private val normalizedSchema: SafeIdentifier?,
private val normalizedTable: SafeIdentifier
) : IndependentDatabaseMutation {
override fun isApplied(connection: Connection): Boolean {
return connection.work(normalizedSchema, commit = false) {
var query = "select tabname from syscat.tables where tabname = '$normalizedTable'"
if (normalizedSchema != null) {
query += " and tabschema = '$normalizedSchema'"
}
it.query(query) { _, _ -> true }.isNotEmpty()
}
}
override fun apply(connection: Connection) {
connection.work(normalizedSchema) {
it.execute("create table $normalizedTable(id int not null primary key)")
}
}
override fun undo(connection: Connection) {
connection.work(normalizedSchema) {
it.execute("drop table $normalizedTable")
}
}
}