org.flywaydb.core.internal.database.sqlite.SQLiteDatabase Maven / Gradle / Ivy

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/*
 * Copyright (C) Red Gate Software Ltd 2010-2024
 *
 * 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.core.internal.database.sqlite;

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 SQLiteDatabase extends Database {
    public SQLiteDatabase(Configuration configuration, JdbcConnectionFactory jdbcConnectionFactory, StatementInterceptor statementInterceptor) {
        super(configuration, jdbcConnectionFactory, statementInterceptor);
    }

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

    @Override
    public void ensureSupported(Configuration configuration) {
        // The minimum should really be 3.7.2. However the SQLite driver quality is really hit and miss, so we can't
        // reliably detect this.
        // #2221: Older versions of the Xerial JDBC driver misreport 3.x versions as being 3.0.
        // #2409: SQLDroid misreports the version as 0.0
    }

    @Override
    public String getRawCreateScript(Table table, boolean baseline) {
        return "CREATE TABLE " + table + " (\n" +
                "    \"installed_rank\" INT NOT NULL PRIMARY KEY,\n" +
                "    \"version\" VARCHAR(50),\n" +
                "    \"description\" VARCHAR(200) NOT NULL,\n" +
                "    \"type\" VARCHAR(20) NOT NULL,\n" +
                "    \"script\" VARCHAR(1000) NOT NULL,\n" +
                "    \"checksum\" INT,\n" +
                "    \"installed_by\" VARCHAR(100) NOT NULL,\n" +
                "    \"installed_on\" TEXT NOT NULL DEFAULT (strftime('%Y-%m-%d %H:%M:%f','now')),\n" +
                "    \"execution_time\" INT NOT NULL,\n" +
                "    \"success\" BOOLEAN NOT NULL\n" +
                ");\n" +
                (baseline ? getBaselineStatement(table) + ";\n" : "") +
                "CREATE INDEX \"" + table.getSchema().getName() + "\".\"" + table.getName() + "_s_idx\" ON \"" + table.getName() + "\" (\"success\");";
    }

    @Override
    protected String doGetCurrentUser() {
        return "";
    }

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

    @Override
    public String getBooleanTrue() {
        return "1";
    }

    @Override
    public String getBooleanFalse() {
        return "0";
    }

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

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