org.flywaydb.community.database.duckdb.DuckDBTable Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of flyway-database-duckdb Show documentation

The newest version!

/*-
 * ========================LICENSE_START=================================
 * flyway-database-duckdb
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * 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.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.community.database.duckdb;

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

import java.sql.SQLException;

public class DuckDBTable extends Table {

    public DuckDBTable(JdbcTemplate jdbcTemplate, DuckDBDatabase database, DuckDBSchema schema, String name) {
        super(jdbcTemplate, database, schema, name);
    }

    @Override
    protected boolean doExists() throws SQLException {
        return jdbcTemplate.queryForBoolean(
            "SELECT count(*) = 1 FROM duckdb_tables() WHERE schema_name = ? and table_name = ?",
            schema.getName(),
            name
        );
    }

    @Override
    protected void doLock() {
        // DuckDB does not support table level locks
    }

    @Override
    protected void doDrop() throws SQLException {
        jdbcTemplate.execute("DROP TABLE %s.%s CASCADE;".formatted(database.quote(schema.getName()), database.quote(name)));
    }
}