Examples with JoinType org.teiid.query.sql.lang.JoinType used on opensource projects

Example 21 with JoinType

use of org.teiid.query.sql.lang.JoinType in project teiid by teiid.

the class RulePushSelectCriteria method handleJoinCriteria.

/**
 * Handles multi-group criteria originating at the given joinNode
 *
 * @param joinNode
 * @param critNode
 * @return
 */
private boolean handleJoinCriteria(PlanNode joinNode, PlanNode critNode, QueryMetadataInterface metadata) {
    JoinType jt = (JoinType) joinNode.getProperty(NodeConstants.Info.JOIN_TYPE);
    if (jt == JoinType.JOIN_CROSS || jt == JoinType.JOIN_INNER) {
        return moveCriteriaIntoOnClause(critNode, joinNode);
    }
    JoinType optimized = JoinUtil.optimizeJoinType(critNode, joinNode, metadata, true);
    if (optimized == JoinType.JOIN_INNER) {
        moveCriteriaIntoOnClause(critNode, joinNode);
        // return true since the join type has changed
        return true;
    }
    return false;
}