Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer Class Reference

Inheritance diagram for Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer:

Public Member Functions
	VariableReplacer (IEnumerable< SelectColumn > selectColumns)
override SqlExpression	VisitVariableReference (SqlVariableReferenceExpression reference)
override SqlExpression	VisitReference (SqlReferenceExpression reference)
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	VisitBinary (SqlBinaryExpression binaryEpression)
virtual SqlExpression	VisitUnary (SqlUnaryExpression unary)
virtual SqlExpression	VisitCast (SqlCastExpression castExpression)
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 Attributes
readonly IEnumerable< SelectColumn >	selectColumns

Detailed Description

Definition at line 664 of file QueryPlanner.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer.VariableReplacer ( IEnumerable< SelectColumn >  selectColumns )

inline

Definition at line 667 of file QueryPlanner.cs.

                                                                             {
                this.selectColumns = selectColumns;
            }

Member Function Documentation

override SqlExpression Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer.VisitReference ( SqlReferenceExpression  reference )

inlinevirtual

Parameters

reference

Returns

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

Definition at line 676 of file QueryPlanner.cs.

                                                                                           {
                var refName = reference.ReferenceName;
                foreach (var column in selectColumns) {
                    if (refName.Equals(column.ResolvedName))
                        return SqlExpression.Reference(column.InternalName);
                }

                return base.VisitReference(reference);
            }

override SqlExpression Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer.VisitVariableReference ( SqlVariableReferenceExpression  reference )

inlinevirtual

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

Definition at line 671 of file QueryPlanner.cs.

                                                                                                           {
                // TODO: should we also resolve variables?
                return base.VisitVariableReference(reference);
            }

Member Data Documentation

readonly IEnumerable<SelectColumn> Deveel.Data.Sql.Query.QueryPlanner.VariableReplacer.selectColumns

private

Definition at line 665 of file QueryPlanner.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/QueryPlanner.cs