Package org.apache.drill.common.expression

Examples of org.apache.drill.common.expression.FunctionCall.accept()

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      List<LogicalExpression> newArgs = Lists.newArrayList();
      newArgs.add(e.getInput()); // input_expr

      FunctionCall fc = new FunctionCall(convertFunctionName, newArgs, e.getPosition());
      return fc.accept(this, value);
    }
   
    private HoldingContainer visitBooleanAnd(BooleanOperator op,
        ClassGenerator<?> generator) {
     
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      List<LogicalExpression> newArgs = Lists.newArrayList();
      newArgs.add(e.getInput());  //input_expr

      FunctionCall fc = new FunctionCall(convertFunctionName, newArgs, e.getPosition());
      return fc.accept(this, value);
    }

    @Override
    public LogicalExpression visitCastExpression(CastExpression e, FunctionImplementationRegistry value){
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        } else if (type.getMinorType().name().startsWith("DECIMAL")) {
            newArgs.add(new ValueExpressions.LongExpression(type.getPrecision(), null));
            newArgs.add(new ValueExpressions.LongExpression(type.getScale(), null));
        }
        FunctionCall fc = new FunctionCall(castFuncWithType, newArgs, e.getPosition());
        return fc.accept(this, value);
      }
    }

    private boolean castEqual(ExpressionPosition pos, MajorType from, MajorType to){
      if(!from.getMinorType().equals(to.getMinorType())) return false;
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      List<LogicalExpression> newArgs = Lists.newArrayList();
      newArgs.add(e.getInput());  //input_expr

      FunctionCall fc = new FunctionCall(convertFunctionName, newArgs, e.getPosition());
      return fc.accept(this, value);
    }

    @Override
    public LogicalExpression visitCastExpression(CastExpression e, FunctionImplementationRegistry value) {
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        } else if (type.getMinorType().name().startsWith("DECIMAL")) {
            newArgs.add(new ValueExpressions.LongExpression(type.getPrecision(), null));
            newArgs.add(new ValueExpressions.LongExpression(type.getScale(), null));
        }
        FunctionCall fc = new FunctionCall(castFuncWithType, newArgs, e.getPosition());
        return fc.accept(this, value);
      }
    }

    private boolean castEqual(ExpressionPosition pos, MajorType from, MajorType to) {
      if (!from.getMinorType().equals(to.getMinorType())) {
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      List<LogicalExpression> newArgs = Lists.newArrayList();
      newArgs.add(e.getInput()); // input_expr

      FunctionCall fc = new FunctionCall(convertFunctionName, newArgs, e.getPosition());
      return fc.accept(this, value);
    }

    private HoldingContainer visitBooleanAnd(BooleanOperator op,
        ClassGenerator<?> generator) {
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      List<LogicalExpression> newArgs = Lists.newArrayList();
      newArgs.add(e.getInput()); // input_expr

      FunctionCall fc = new FunctionCall(convertFunctionName, newArgs, e.getPosition());
      return fc.accept(this, value);
    }

    private HoldingContainer visitBooleanAnd(BooleanOperator op,
        ClassGenerator<?> generator) {
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