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

Example 1 with QueryExecuteRequest

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

the class JdbcStatement method execute0.

/**
 * Execute the query with given parameters.
 *
 * @param sql  Sql query.
 * @param args Query parameters.
 * @throws SQLException Onj error.
 */
protected void execute0(JdbcStatementType stmtType, String sql, List<Object> args) throws SQLException {
    ensureNotClosed();
    closeResults();
    if (sql == null || sql.isEmpty()) {
        throw new SQLException("SQL query is empty.");
    }
    QueryExecuteRequest req = new QueryExecuteRequest(stmtType, schema, pageSize, maxRows, sql, args == null ? ArrayUtils.OBJECT_EMPTY_ARRAY : args.toArray());
    QueryExecuteResult res = conn.handler().queryAsync(req).join();
    if (!res.hasResults()) {
        throw IgniteQueryErrorCode.createJdbcSqlException(res.err(), res.status());
    }
    for (QuerySingleResult jdbcRes : res.results()) {
        if (!jdbcRes.hasResults()) {
            throw IgniteQueryErrorCode.createJdbcSqlException(jdbcRes.err(), jdbcRes.status());
        }
    }
    resSets = new ArrayList<>(res.results().size());
    for (QuerySingleResult jdbcRes : res.results()) {
        resSets.add(new JdbcResultSet(this, jdbcRes.cursorId(), pageSize, jdbcRes.last(), jdbcRes.items(), jdbcRes.isQuery(), false, jdbcRes.updateCount(), closeOnCompletion, conn.handler()));
    }
    assert !resSets.isEmpty() : "At least one results set is expected";
}