@Override public TupleExpression visitInputRef(RexInputRef inputRef) { int index = inputRef.getIndex(); // check it for rewrite count if (index < inputRowType.size()) { TblColRef column = inputRowType.getColumnByIndex(index); TupleExpression tuple = new ColumnTupleExpression(column); tuple.setDigest(inputRef.toString()); return tuple; } else { throw new IllegalStateException("Can't find " + inputRef + " from child columnrowtype"); } }
private TupleExpression getCountColumnExpression(TblColRef colRef) { List<Pair<TupleFilter, TupleExpression>> whenList = Lists.newArrayListWithExpectedSize(1); TupleFilter whenFilter = new CompareTupleFilter(TupleFilter.FilterOperatorEnum.ISNULL); whenFilter.addChild(new ColumnTupleFilter(colRef)); whenList.add(new Pair<TupleFilter, TupleExpression>(whenFilter, new NumberTupleExpression(0))); TupleExpression elseExpr = new ColumnTupleExpression(SumDynamicFunctionDesc.mockCntCol); TupleExpression ret = new CaseTupleExpression(whenList, elseExpr); ret.setDigest("_KY_COUNT(" + colRef.getName() + ")"); return ret; } }
@Override public TupleExpression visitLiteral(RexLiteral literal) { TupleExpression tuple; Object value = literal.getValue(); if (value instanceof Number) { tuple = new NumberTupleExpression(value); } else { if (value == null) { tuple = new StringTupleExpression(null); } else if (value instanceof NlsString) { tuple = new StringTupleExpression(((NlsString) value).getValue()); } else { tuple = new StringTupleExpression(value.toString()); } } tuple.setDigest(literal.toString()); return tuple; } }
@Override public TupleExpression visitInputRef(RexInputRef inputRef) { int index = inputRef.getIndex(); // check it for rewrite count if (index < inputRowType.size()) { TblColRef column = inputRowType.getColumnByIndex(index); TupleExpression tuple = new ColumnTupleExpression(column); tuple.setDigest(inputRef.toString()); return tuple; } else { throw new IllegalStateException("Can't find " + inputRef + " from child columnrowtype"); } }
private TupleExpression getCountColumnExpression(TblColRef colRef) { List<Pair<TupleFilter, TupleExpression>> whenList = Lists.newArrayListWithExpectedSize(1); TupleFilter whenFilter = new CompareTupleFilter(TupleFilter.FilterOperatorEnum.ISNULL); whenFilter.addChild(new ColumnTupleFilter(colRef)); whenList.add(new Pair<TupleFilter, TupleExpression>(whenFilter, new NumberTupleExpression(0))); TupleExpression elseExpr = new ColumnTupleExpression(SumDynamicFunctionDesc.mockCntCol); TupleExpression ret = new CaseTupleExpression(whenList, elseExpr); ret.setDigest("_KY_COUNT(" + colRef.getName() + ")"); return ret; } }
@Override public TupleExpression visitLiteral(RexLiteral literal) { TupleExpression tuple; Object value = literal.getValue(); if (value instanceof Number) { tuple = new NumberTupleExpression(value); } else { if (value == null) { tuple = new StringTupleExpression(null); } else if (value instanceof NlsString) { tuple = new StringTupleExpression(((NlsString) value).getValue()); } else { tuple = new StringTupleExpression(value.toString()); } } tuple.setDigest(literal.toString()); return tuple; } }