org.flywaydb.database.spanner.SpannerTable Maven / Gradle / Ivy

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/*
 * Copyright (C) Red Gate Software Ltd 2010-2021
 *
 * 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 org.flywaydb.database.spanner;

import org.flywaydb.core.internal.database.base.Table;
import org.flywaydb.core.internal.jdbc.JdbcTemplate;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class SpannerTable extends Table {

    public SpannerTable(JdbcTemplate jdbcTemplate, SpannerDatabase database, SpannerSchema schema, String name) {
        super(jdbcTemplate, database, schema, name);
    }

    @Override
    protected boolean doExists() throws SQLException {
        try (Connection c = database.getNewRawConnection()) {
            Statement s = c.createStatement();
            s.close();
            try(ResultSet tables = c.getMetaData().getTables("", "", this.name, null)){
                return tables.next();
            }
        }
    }

    @Override
    protected void doLock() { }

    @Override
    protected void doDrop() throws SQLException {
        try (Statement statement = jdbcTemplate.getConnection().createStatement()) {
            statement.execute("DROP TABLE " + database.quote(name));
        }
    }

    @Override
    public String toString() {
        return database.quote(name);
    }
}