Examples with JaqyStatement com.teradata.jaqy.connection.JaqyStatement used on opensource projects

Example 1 with JaqyStatement

use of com.teradata.jaqy.connection.JaqyStatement in project jaqy by Teradata.

the class ResultSetUtils method copyResultSet.

public static JaqyResultSet copyResultSet(JaqyResultSet rs, long limit, JaqyInterpreter interpreter) throws SQLException {
    InMemoryResultSetMetaData rsmd = ResultSetMetaDataUtils.copyResultSetMetaData(rs.getMetaData().getMetaData(), rs.getHelper());
    ArrayList<Object[]> rows = new ArrayList<Object[]>();
    JaqyStatement stmt = rs.getStatement();
    int columnCount = rsmd.getColumnCount();
    if (limit == 0)
        limit = Long.MAX_VALUE;
    boolean hasLob = false;
    while (rs.next() && limit > 0) {
        Object[] row = new Object[columnCount];
        for (int i = 0; i < columnCount; ++i) {
            Object o = rs.getObject(i + 1);
            row[i] = ResultSetUtils.copyIfNecessary(o, interpreter);
            if (row[i] instanceof CachedClob || row[i] instanceof CachedBlob || row[i] instanceof CachedSQLXML)
                hasLob = true;
        }
        rows.add(row);
        --limit;
    }
    InMemoryResultSet newRS = new InMemoryResultSet(rows, rsmd, stmt == null ? null : stmt.getStatement());
    newRS.setHasLob(hasLob);
    JaqyDefaultResultSet jqrs = new JaqyDefaultResultSet(newRS, DummyHelper.getInstance());
    jqrs.setStatement(stmt);
    return jqrs;
}

Example 2 with JaqyStatement

use of com.teradata.jaqy.connection.JaqyStatement in project jaqy by Teradata.

the class QueryUtils method getQueryString.

/**
 * Get the string result from a query.
 * @param	conn
 * 			The JDBC connection
 * @param	sql
 * 			The query string
 * @param	column
 * 			The column to retrieve data from
 * @param interpreter TODO
 *
 * @return	a string representation of the output for a particular column.
 * 			It can retrieve multiple rows of data if needed.
 * @throws	SQLException
 * 			in case of error.
 */
public static String getQueryString(JaqyConnection conn, String sql, int column, JaqyInterpreter interpreter) throws SQLException {
    JaqyStatement stmt = null;
    interpreter.getGlobals().log(Level.INFO, "SQL: " + sql);
    try {
        stmt = conn.createStatement(true);
        stmt.execute(sql);
        JaqyResultSet rs = stmt.getResultSet(interpreter);
        if (rs == null)
            return null;
        StringBuilder builder = new StringBuilder();
        while (rs.next()) {
            builder.append(rs.getString(column));
        }
        rs.close();
        return builder.toString();
    } finally {
        try {
            stmt.close();
        } catch (Exception ex) {
        }
    }
}

Example 3 with JaqyStatement

use of com.teradata.jaqy.connection.JaqyStatement in project jaqy by Teradata.

the class QueryUtils method getResultSet.

/**
 * Get the ResultSet from a query.
 *
 * @param	globals
 *			global variables
 * @param	conn
 * 			The JDBC connection
 * @param	sql
 * 			The query string
 * @param	interpreter
 * 			the interpreter
 * @return	an in-memory COPY of the query ResultSet.
 * @throws	SQLException
 * 			in case of error.
 */
public static JaqyResultSet getResultSet(Globals globals, JaqyConnection conn, String sql, JaqyInterpreter interpreter) throws SQLException {
    JaqyStatement stmt = null;
    globals.log(Level.INFO, "SQL: " + sql);
    try {
        stmt = conn.createStatement(true);
        stmt.execute(sql);
        JaqyResultSet rs = stmt.getResultSet(interpreter);
        if (rs == null)
            return null;
        JaqyResultSet newRS = ResultSetUtils.copyResultSet(rs, 0, interpreter);
        rs.close();
        return newRS;
    } finally {
        try {
            stmt.close();
        } catch (Exception ex) {
        }
    }
}