Examples with Table org.h2.table.Table used on opensource projects

Example 21 with Table

use of org.h2.table.Table in project siena by mandubian.

the class FullText method init.

/**
     * Initializes full text search functionality for this database. This adds
     * the following Java functions to the database:
     * <ul>
     * <li>FT_CREATE_INDEX(schemaNameString, tableNameString,
     * columnListString)</li>
     * <li>FT_SEARCH(queryString, limitInt, offsetInt): result set</li>
     * <li>FT_REINDEX()</li>
     * <li>FT_DROP_ALL()</li>
     * </ul>
     * It also adds a schema FT to the database where bookkeeping information
     * is stored. This function may be called from a Java application, or by
     * using the SQL statements:
     *
     * <pre>
     * CREATE ALIAS IF NOT EXISTS FT_INIT FOR
     *      &quot;org.h2.fulltext.FullText.init&quot;;
     * CALL FT_INIT();
     * </pre>
     *
     * @param conn the connection
     */
public static void init(Connection conn) throws SQLException {
    Statement stat = conn.createStatement();
    stat.execute("CREATE SCHEMA IF NOT EXISTS " + SCHEMA);
    stat.execute("CREATE TABLE IF NOT EXISTS " + SCHEMA + ".FT_INDEXES(ID INT AUTO_INCREMENT PRIMARY KEY, SCHEMA VARCHAR, TABLE VARCHAR, COLUMNS VARCHAR, UNIQUE(SCHEMA, TABLE))");
    stat.execute("CREATE TABLE IF NOT EXISTS " + SCHEMA + ".WORDS(ID INT AUTO_INCREMENT PRIMARY KEY, NAME VARCHAR, UNIQUE(NAME))");
    stat.execute("CREATE TABLE IF NOT EXISTS " + SCHEMA + ".ROWS(ID IDENTITY, HASH INT, INDEXID INT, \"KEY\" VARCHAR, UNIQUE(HASH, INDEXID, \"KEY\"))");
    stat.execute("CREATE TABLE IF NOT EXISTS " + SCHEMA + ".MAP(ROWID INT, WORDID INT, PRIMARY KEY(WORDID, ROWID))");
    stat.execute("CREATE TABLE IF NOT EXISTS " + SCHEMA + ".IGNORELIST(LIST VARCHAR)");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_CREATE_INDEX FOR \"" + FullText.class.getName() + ".createIndex\"");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_DROP_INDEX FOR \"" + FullText.class.getName() + ".dropIndex\"");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_SEARCH FOR \"" + FullText.class.getName() + ".search\"");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_SEARCH_DATA FOR \"" + FullText.class.getName() + ".searchData\"");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_REINDEX FOR \"" + FullText.class.getName() + ".reindex\"");
    stat.execute("CREATE ALIAS IF NOT EXISTS FT_DROP_ALL FOR \"" + FullText.class.getName() + ".dropAll\"");
    FullTextSettings setting = FullTextSettings.getInstance(conn);
    ResultSet rs = stat.executeQuery("SELECT * FROM " + SCHEMA + ".IGNORELIST");
    while (rs.next()) {
        String commaSeparatedList = rs.getString(1);
        setIgnoreList(setting, commaSeparatedList);
    }
    rs = stat.executeQuery("SELECT * FROM " + SCHEMA + ".WORDS");
    HashMap<String, Integer> map = setting.getWordList();
    while (rs.next()) {
        String word = rs.getString("NAME");
        int id = rs.getInt("ID");
        word = setting.convertWord(word);
        if (word != null) {
            map.put(word, id);
        }
    }
    setting.setInitialized(true);
}

Example 22 with Table

use of org.h2.table.Table in project siena by mandubian.

the class FullText method indexExistingRows.

/**
     * Add the existing data to the index.
     *
     * @param conn the database connection
     * @param schema the schema name
     * @param table the table name
     */
protected static void indexExistingRows(Connection conn, String schema, String table) throws SQLException {
    FullText.FullTextTrigger existing = new FullText.FullTextTrigger();
    existing.init(conn, schema, null, table, false, Trigger.INSERT);
    String sql = "SELECT * FROM " + StringUtils.quoteIdentifier(schema) + "." + StringUtils.quoteIdentifier(table);
    ResultSet rs = conn.createStatement().executeQuery(sql);
    int columnCount = rs.getMetaData().getColumnCount();
    while (rs.next()) {
        Object[] row = new Object[columnCount];
        for (int i = 0; i < columnCount; i++) {
            row[i] = rs.getObject(i + 1);
        }
        existing.fire(conn, null, row);
    }
}

Example 23 with Table

use of org.h2.table.Table in project siena by mandubian.

the class FullText method dropIndex.

/**
     * Drop an existing full text index for a table. This method returns
     * silently if no index for this table exists.
     *
     * @param conn the connection
     * @param schema the schema name of the table (case sensitive)
     * @param table the table name (case sensitive)
     */
public static void dropIndex(Connection conn, String schema, String table) throws SQLException {
    init(conn);
    PreparedStatement prep = conn.prepareStatement("SELECT ID FROM " + SCHEMA + ".FT_INDEXES WHERE SCHEMA=? AND TABLE=?");
    prep.setString(1, schema);
    prep.setString(2, table);
    ResultSet rs = prep.executeQuery();
    if (!rs.next()) {
        return;
    }
    int indexId = rs.getInt(1);
    prep = conn.prepareStatement("DELETE FROM " + SCHEMA + ".FT_INDEXES WHERE ID=?");
    prep.setInt(1, indexId);
    prep.execute();
    createOrDropTrigger(conn, schema, table, false);
    prep = conn.prepareStatement("DELETE FROM " + SCHEMA + ".ROWS WHERE INDEXID=? AND ROWNUM<10000");
    while (true) {
        prep.setInt(1, indexId);
        int deleted = prep.executeUpdate();
        if (deleted == 0) {
            break;
        }
    }
    prep = conn.prepareStatement("DELETE FROM " + SCHEMA + ".MAP M " + "WHERE NOT EXISTS (SELECT * FROM " + SCHEMA + ".ROWS R WHERE R.ID=M.ROWID) AND ROWID<10000");
    while (true) {
        int deleted = prep.executeUpdate();
        if (deleted == 0) {
            break;
        }
    }
}

Example 24 with Table

use of org.h2.table.Table in project ratpack by ratpack.

the class Example method main.

public static void main(String[] args) throws Exception {
    JdbcDataSource ds = new JdbcDataSource();
    ds.setURL("jdbc:h2:mem:transactionExamples;DB_CLOSE_DELAY=-1");
    txDs = Transaction.dataSource(ds);
    tx = Transaction.create(ds::getConnection);
    try (Connection connection = txDs.getConnection()) {
        try (Statement statement = connection.createStatement()) {
            statement.executeUpdate("CREATE TABLE tbl (value VARCHAR(50)) ");
        }
    }
    List<Block> examples = Arrays.asList(Example::singleTransactionExample, Example::singleTransactionRollbackExample, Example::nestedTransactionExample, Example::nestedTransactionRollbackExample, () -> manualTransactionExample(true), () -> manualTransactionExample(false));
    try (ExecHarness harness = ExecHarness.harness()) {
        for (Block example : examples) {
            harness.execute(Operation.of(example));
            reset();
        }
    }
}

Example 25 with Table

use of org.h2.table.Table in project aries by apache.

the class AbstractTransactionTest method initTestTable.

protected void initTestTable(String jdbcUrl) throws SQLException {
    Driver d = new Driver();
    try (Connection c = d.connect(jdbcUrl, null)) {
        Statement s = c.createStatement();
        try {
            s.execute("DROP TABLE TEST_TABLE");
        } catch (SQLException sqle) {
        }
        s.execute("CREATE TABLE TEST_TABLE ( message varchar(255) )");
        c.commit();
    }
}