Package plan_runner.expressions

Examples of plan_runner.expressions.ValueExpression

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   */
  @Override
  public void visit(Addition adtn) {
    visitBinaryExpression(adtn);

    final ValueExpression right = _exprStack.pop();
    final ValueExpression left = _exprStack.pop();

    final ValueExpression ve = new plan_runner.expressions.Addition(left, right);
    _exprStack.push(ve);
  }
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    final TypeConversion tc = _schema.getType(ParserUtil.getFullSchemaColumnName(column, _tan));

    // extract the position (index) of the required column
    final int position = _it.getColumnIndex(column, _affectedComponent);

    final ValueExpression ve = new ColumnReference(tc, position);
    _exprStack.push(ve);
  }
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    throw new UnsupportedOperationException("Not supported yet.");
  }

  @Override
  public void visit(DateValue dv) {
    final ValueExpression ve = new ValueSpecification(_dateConv, dv.getValue());
    _exprStack.push(ve);
  }
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  @Override
  public void visit(Division dvsn) {
    visitBinaryExpression(dvsn);

    final ValueExpression right = _exprStack.pop();
    final ValueExpression left = _exprStack.pop();

    final ValueExpression ve = new plan_runner.expressions.Division(left, right);
    _exprStack.push(ve);
  }
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    _exprStack.push(ve);
  }

  @Override
  public void visit(DoubleValue dv) {
    final ValueExpression ve = new ValueSpecification(_dblConv, dv.getValue());
    _exprStack.push(ve);
  }
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    final String fnName = function.getName();
    if (fnName.equalsIgnoreCase("SUM")) {
      // there must be only one parameter, if not SQL parser will raise an
      // exception
      final ValueExpression expr = expressions.get(0);
      createSum(expr, function.isDistinct());
    } else if (fnName.equalsIgnoreCase("COUNT"))
      createCount(expressions, function.isDistinct());
    else if (fnName.equalsIgnoreCase("EXTRACT_YEAR")) {
      if (numParams != 1)
        throw new RuntimeException("EXTRACT_YEAR function has exactly one parameter!");
      final ValueExpression expr = expressions.get(0);
      final ValueExpression ve = new IntegerYearFromDate(expr);
      _exprStack.push(ve);
    }
  }
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    throw new UnsupportedOperationException("Not supported yet.");
  }

  @Override
  public void visit(LongValue lv) {
    final ValueExpression ve = new ValueSpecification(_lc, lv.getValue());
    _exprStack.push(ve);
  }
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  @Override
  public void visit(Multiplication m) {
    visitBinaryExpression(m);

    final ValueExpression right = _exprStack.pop();
    final ValueExpression left = _exprStack.pop();

    final ValueExpression ve = new plan_runner.expressions.Multiplication(left, right);
    _exprStack.push(ve);
  }
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    doneSingleItem(expr);
  }

  @Override
  public void visit(StringValue sv) {
    final ValueExpression ve = new ValueSpecification(_sc, sv.getValue());
    _exprStack.push(ve);
  }
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  @Override
  public void visit(Subtraction s) {
    visitBinaryExpression(s);

    final ValueExpression right = _exprStack.pop();
    final ValueExpression left = _exprStack.pop();

    final ValueExpression ve = new plan_runner.expressions.Subtraction(left, right);
    _exprStack.push(ve);

  }
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Related Classes of plan_runner.expressions.ValueExpression

  • plan_runner.query_plans.ThetaTPCH7Plan
  • plan_runner.query_plans.ThetaTPCH8Plan
  • plan_runner.query_plans.TPCH7Plan
  • plan_runner.query_plans.TPCH8Plan
  • plan_runner.thetajoin.predicate_analyser.PredicateAnalyser
  • plan_runner.visitors.PredicateUpdateIndexesVisitor
  • sql.visitors.squall.IndexJoinHashVisitor
  • sql.visitors.squall.IndexSelectItemsVisitor
  • sql.visitors.squall.IndexWhereVisitor
  • sql.visitors.squall.NameJoinHashVisitor
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