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QuestDB database support for Flyway
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/*-
 * ========================LICENSE_START=================================
 * flyway-database-questdb
 * ========================================================================
 * 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.questdb;

import org.flywaydb.core.api.configuration.Configuration;
import org.flywaydb.core.internal.database.base.Database;
import org.flywaydb.core.internal.database.base.Table;
import org.flywaydb.core.internal.jdbc.JdbcConnectionFactory;
import org.flywaydb.core.internal.jdbc.StatementInterceptor;

import java.sql.Connection;

public class QuestDBDatabase extends Database {

    @Override
    public boolean useSingleConnection() {
        return true;
    }

    public QuestDBDatabase(Configuration configuration, JdbcConnectionFactory jdbcConnectionFactory, StatementInterceptor statementInterceptor) {
        super(configuration, jdbcConnectionFactory, statementInterceptor);
    }

    @Override
    protected QuestDBConnection doGetConnection(Connection connection) {
        return new QuestDBConnection(this, connection);
    }

    @Override
    public void ensureSupported(Configuration configuration) {
    }

    @Override
    public boolean supportsDdlTransactions() {
        return false;
    }

    @Override
    public String getBooleanTrue() {
        return "true";
    }

    @Override
    public String getBooleanFalse() {
        return "false";
    }

    @Override
    public boolean catalogIsSchema() {
        return false;
    }

    @Override
    public boolean supportsMultiStatementTransactions() {
        return false;
    }

    @Override
    public String getRawCreateScript(Table table, boolean baseline) {
        return "CREATE TABLE IF NOT EXISTS " + table.getName() + " (\n" +
                "    \"installed_rank\" INT,\n" +
                "    \"version\" STRING,\n" +
                "    \"description\" STRING,\n" +
                "    \"type\" STRING,\n" +
                "    \"script\" STRING,\n" +
                "    \"checksum\" INT,\n" +
                "    \"installed_by\" STRING,\n" +
                "    \"installed_on\" TIMESTAMP,\n" +
                "    \"execution_time\" INT,\n" +
                "    \"success\" BOOLEAN\n" +
                ") timestamp (installed_on) partition by day wal\n";
    }

    @Override
    public String getInsertStatement(Table table) {
        return "INSERT INTO " + table.getName()
                + " (" + quote("installed_rank")
                + ", " + quote("version")
                + ", " + quote("description")
                + ", " + quote("type")
                + ", " + quote("script")
                + ", " + quote("checksum")
                + ", " + quote("installed_by")
                + ", " + quote("installed_on")
                + ", " + quote("execution_time")
                + ", " + quote("success")
                + ")"
                + " VALUES (?, ?, ?, ?, ?, ?, ?, now(), ?, ?)";
    }

    public String getSelectStatement(Table table) {
        return "SELECT " + quote("installed_rank")
                + "," + quote("version")
                + "," + quote("description")
                + "," + quote("type")
                + "," + quote("script")
                + "," + quote("checksum")
                + "," + quote("installed_on")
                + "," + quote("installed_by")
                + "," + quote("execution_time")
                + "," + quote("success")
                + " FROM " + table.getName()
                + " WHERE " + quote("installed_rank") + " > ?"
                + " ORDER BY " + quote("installed_rank");
    }
}