Examples of RexWindowBound

org.eigenbase.rex.RexWindowBound
Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

Examples of org.eigenbase.rex.RexWindowBound


    private ASTNode getWindowRangeAST(RexWindow window) {
      ASTNode wRangeAst = null;


      ASTNode startAST = null;
      RexWindowBound ub = window.getUpperBound();
      if (ub != null) {
        startAST = getWindowBound(ub);
      }


      ASTNode endAST = null;
      RexWindowBound lb = window.getLowerBound();
      if (lb != null) {
        endAST = getWindowBound(lb);
      }


      if (startAST != null || endAST != null) {

View Full Code Here

Examples of org.eigenbase.rex.RexWindowBound


      return oKeys;
    }


    RexWindowBound getBound(BoundarySpec bs, RexNodeConverter converter) {
      RexWindowBound rwb = null;


      if (bs != null) {
        SqlNode sn = null;
        SqlParserPos pos = new SqlParserPos(1, 1);
        SqlNode amt = bs.getAmt() == 0 ? null : SqlLiteral.createExactNumeric(

View Full Code Here

Examples of org.eigenbase.rex.RexWindowBound

        // 6. Translate Window spec
        RowResolver inputRR = relToHiveRR.get(srcRel);
        WindowSpec wndSpec = ((WindowFunctionSpec) wExpSpec).getWindowSpec();
        List<RexNode> partitionKeys = getPartitionKeys(wndSpec.getPartition(), converter, inputRR);
        List<RexFieldCollation> orderKeys = getOrderKeys(wndSpec.getOrder(), converter, inputRR);
        RexWindowBound upperBound = getBound(wndSpec.windowFrame.start, converter);
        RexWindowBound lowerBound = getBound(wndSpec.windowFrame.end, converter);
        boolean isRows = ((wndSpec.windowFrame.start instanceof RangeBoundarySpec) || (wndSpec.windowFrame.end instanceof RangeBoundarySpec)) ? true
            : false;


        w = cluster.getRexBuilder().makeOver(optiqAggFnRetType, optiqAggFn, optiqAggFnArgs,
            partitionKeys, ImmutableList.<RexFieldCollation> copyOf(orderKeys), lowerBound,

View Full Code Here

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.