Examples with SqlQuery mondrian.rolap.sql.SqlQuery used on opensource projects

Example 16 with SqlQuery

use of mondrian.rolap.sql.SqlQuery in project mondrian by pentaho.

the class SqlConstraintUtils method getLevelColumn.

/**
 * Gets the column, using AggStar if available, and ensures the table is in
 * the query.
 */
private static RolapStar.Column getLevelColumn(RolapLevel level, RolapCube baseCube, AggStar aggStar, SqlQuery sqlQuery) {
    final RolapStar.Column column = ((RolapCubeLevel) level).getBaseStarKeyColumn(baseCube);
    if (aggStar != null) {
        int bitPos = column.getBitPosition();
        final AggStar.Table.Column aggColumn = aggStar.lookupColumn(bitPos);
        AggStar.Table table = aggColumn.getTable();
        table.addToFrom(sqlQuery, false, true);
        // create a delegate to use the aggregated column's expression
        return new Column(aggColumn.getDatatype()) {

            public String generateExprString(SqlQuery query) {
                // used by predicates for sql generation
                return aggColumn.generateExprString(query);
            }

            public int getBitPosition() {
                // this is the same as the one in RolapStar.Column
                return aggColumn.getBitPosition();
            }

            public Table getTable() {
                return column.getTable();
            }

            public RolapStar getStar() {
                return column.getStar();
            }
        };
    } else {
        column.getTable().addToFrom(sqlQuery, false, true);
        return column;
    }
}