Examples with JdbcMetaPrimaryKeysRequest org.apache.ignite.client.proto.query.event.JdbcMetaPrimaryKeysRequest used on opensource projects

Example 1 with JdbcMetaPrimaryKeysRequest

use of org.apache.ignite.client.proto.query.event.JdbcMetaPrimaryKeysRequest in project ignite-3 by apache.

the class JdbcDatabaseMetadata method getPrimaryKeys.

/**
 * {@inheritDoc}
 */
@Override
public ResultSet getPrimaryKeys(String catalog, String schema, String tbl) throws SQLException {
    conn.ensureNotClosed();
    final List<JdbcColumnMeta> meta = asList(new JdbcColumnMeta("TABLE_CAT", String.class), new JdbcColumnMeta("TABLE_SCHEM", String.class), new JdbcColumnMeta("TABLE_NAME", String.class), new JdbcColumnMeta("COLUMN_NAME", String.class), new JdbcColumnMeta("KEY_SEQ", Short.class), new JdbcColumnMeta("PK_NAME", String.class));
    if (!isValidCatalog(catalog)) {
        return new JdbcResultSet(Collections.emptyList(), meta);
    }
    JdbcMetaPrimaryKeysResult res = conn.handler().primaryKeysMetaAsync(new JdbcMetaPrimaryKeysRequest(schema, tbl)).join();
    if (!res.hasResults()) {
        throw IgniteQueryErrorCode.createJdbcSqlException(res.err(), res.status());
    }
    List<List<Object>> rows = new LinkedList<>();
    for (JdbcPrimaryKeyMeta pkMeta : res.meta()) {
        rows.addAll(primaryKeyRows(pkMeta));
    }
    return new JdbcResultSet(rows, meta);
}