Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator Class Reference

Inheritance diagram for Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator:

Public Member Functions
	RangeSetCalculator (IRequest context, ColumnInfo field, IndexRangeSet rangeSet)
override SqlExpression	VisitBinary (SqlBinaryExpression binaryEpression)
IndexRangeSet	Calculate (SqlExpression expression)
Public Member Functions inherited from Deveel.Data.Sql.Expressions.SqlExpressionVisitor
virtual SqlExpression	Visit (SqlExpression expression)
	Visits a given SQL expression. More...
virtual SqlExpression[]	VisitExpressionList (SqlExpression[] list)
	Visits a list of expressions given. More...
virtual SqlExpression	VisitFunctionCall (SqlFunctionCallExpression expression)
	Visits the expression that calls the function defined. More...
virtual SqlExpression	VisitUnary (SqlUnaryExpression unary)
virtual SqlExpression	VisitCast (SqlCastExpression castExpression)
virtual SqlExpression	VisitReference (SqlReferenceExpression reference)
virtual SqlExpression	VisitVariableReference (SqlVariableReferenceExpression reference)
virtual SqlExpression	VisitAssign (SqlAssignExpression assign)
virtual SqlExpression	VisitConstant (SqlConstantExpression constant)
virtual SqlExpression	VisitConditional (SqlConditionalExpression conditional)
virtual SqlExpression	VisitTuple (SqlTupleExpression expression)
virtual SqlExpression	VisitQuery (SqlQueryExpression query)

Private Member Functions
IndexRangeSet	UpdateRange (SqlExpression expression)
IndexRangeSet	CalcExpression (SqlExpression expression)

Private Attributes
IndexRangeSet	rangeSet
readonly IRequest	context
readonly ColumnInfo	field

Detailed Description

Definition at line 149 of file RangeSelectNode.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.RangeSetCalculator ( IRequest  context, ColumnInfo  field, IndexRangeSet  rangeSet  )

inline

Definition at line 154 of file RangeSelectNode.cs.

                                                                                                  {
                this.context = context;
                this.field = field;
                this.rangeSet = rangeSet;
            }

Member Function Documentation

IndexRangeSet Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.CalcExpression ( SqlExpression  expression )

inlineprivate

Definition at line 165 of file RangeSelectNode.cs.

                                                                           {
                var indexRangeSet = new IndexRangeSet();
                var calculator = new RangeSetCalculator(context, field, indexRangeSet);
                return calculator.Calculate(expression);
            }

IndexRangeSet Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.Calculate ( SqlExpression  expression )

inline

Definition at line 188 of file RangeSelectNode.cs.

                                                                     {
                Visit(expression);
                return rangeSet;
            }

IndexRangeSet Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.UpdateRange ( SqlExpression  expression )

inlineprivate

Definition at line 160 of file RangeSelectNode.cs.

                                                                        {
                var updater = new RangeSetUpdater(context, field, rangeSet);
                return updater.Update(expression);
            }

override SqlExpression Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.VisitBinary ( SqlBinaryExpression  binaryEpression )

inlinevirtual

Parameters

binaryEpression

Returns

Reimplemented from Deveel.Data.Sql.Expressions.SqlExpressionVisitor.

Definition at line 171 of file RangeSelectNode.cs.

                                                                                           {
                if (binaryEpression.ExpressionType == SqlExpressionType.And) {
                    rangeSet = UpdateRange(binaryEpression.Left);
                    rangeSet = UpdateRange(binaryEpression.Right);
                } else if (binaryEpression.ExpressionType == SqlExpressionType.Or) {
                    var left = CalcExpression(binaryEpression.Left);
                    var right = CalcExpression(binaryEpression.Right);

                    rangeSet = rangeSet.Union(left);
                    rangeSet = rangeSet.Union(right);
                } else {
                    rangeSet = UpdateRange(binaryEpression);
                }

                return base.VisitBinary(binaryEpression);
            }

Member Data Documentation

readonly IRequest Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.context

private

Definition at line 151 of file RangeSelectNode.cs.

readonly ColumnInfo Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.field

private

Definition at line 152 of file RangeSelectNode.cs.

IndexRangeSet Deveel.Data.Sql.Query.RangeSelectNode.RangeSetCalculator.rangeSet

private

Definition at line 150 of file RangeSelectNode.cs.

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The documentation for this class was generated from the following file:

• /var/calculate/remote/distfiles/egit-src/deveeldb.git/src/deveeldb/Deveel.Data.Sql.Query/RangeSelectNode.cs