com.google.gerrit.server.schema.Schema_102 Maven / Gradle / Ivy
// Copyright (C) 2014 The Android Open Source Project
//
// 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 com.google.gerrit.server.schema;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gwtorm.jdbc.JdbcSchema;
import com.google.gwtorm.schema.sql.DialectPostgreSQL;
import com.google.gwtorm.schema.sql.SqlDialect;
import com.google.gwtorm.server.OrmException;
import com.google.gwtorm.server.StatementExecutor;
import com.google.inject.Inject;
import com.google.inject.Provider;
import java.sql.SQLException;
import java.util.Set;
import java.util.regex.Pattern;
public class Schema_102 extends SchemaVersion {
@Inject
Schema_102(Provider prior) {
super(prior);
}
@Override
protected void migrateData(ReviewDb db, UpdateUI ui) throws OrmException, SQLException {
JdbcSchema schema = (JdbcSchema) db;
SqlDialect dialect = schema.getDialect();
try (StatementExecutor e = newExecutor(db)) {
// Drop left over indexes that were missed to be removed in schema 84.
// See "Delete SQL index support" commit for more details:
// d4ae3a16d5e1464574bd04f429a63eb9c02b3b43
Pattern pattern =
Pattern.compile("^changes_(allOpen|allClosed|byBranchClosed)$", Pattern.CASE_INSENSITIVE);
String table = "changes";
Set listIndexes = dialect.listIndexes(schema.getConnection(), table);
for (String index : listIndexes) {
if (pattern.matcher(index).matches()) {
dialect.dropIndex(e, table, index);
}
}
dialect.dropIndex(e, table, "changes_byProjectOpen");
if (dialect instanceof DialectPostgreSQL) {
e.execute(
"CREATE INDEX changes_byProjectOpen"
+ " ON "
+ table
+ " (dest_project_name, last_updated_on)"
+ " WHERE open = 'Y'");
} else {
e.execute(
"CREATE INDEX changes_byProjectOpen"
+ " ON "
+ table
+ " (open, dest_project_name, last_updated_on)");
}
}
}
}