| // 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<Schema_101> 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<String> 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)"); |
| } |
| } |
| } |
| } |