Examples with InParseNode org.apache.phoenix.parse.InParseNode used on opensource projects

Example 1 with InParseNode

use of org.apache.phoenix.parse.InParseNode in project phoenix by apache.

the class SubqueryRewriter method visitLeave.

@Override
public ParseNode visitLeave(InParseNode node, List<ParseNode> l) throws SQLException {
    boolean isTopNode = topNode == node;
    if (isTopNode) {
        topNode = null;
    }
    SubqueryParseNode subqueryNode = (SubqueryParseNode) l.get(1);
    SelectStatement subquery = fixSubqueryStatement(subqueryNode.getSelectNode());
    String rhsTableAlias = ParseNodeFactory.createTempAlias();
    List<AliasedNode> selectNodes = fixAliasedNodes(subquery.getSelect(), true);
    subquery = NODE_FACTORY.select(subquery, !node.isSubqueryDistinct(), selectNodes);
    ParseNode onNode = getJoinConditionNode(l.get(0), selectNodes, rhsTableAlias);
    TableNode rhsTable = NODE_FACTORY.derivedTable(rhsTableAlias, subquery);
    JoinType joinType = isTopNode ? (node.isNegate() ? JoinType.Anti : JoinType.Semi) : JoinType.Left;
    ParseNode ret = isTopNode ? null : NODE_FACTORY.isNull(NODE_FACTORY.column(NODE_FACTORY.table(null, rhsTableAlias), selectNodes.get(0).getAlias(), null), !node.isNegate());
    tableNode = NODE_FACTORY.join(joinType, tableNode, rhsTable, onNode, false);
    return ret;
}