Deveel.Data.Sql.Query.QueryReferencesVisitor Class Reference

Inheritance diagram for Deveel.Data.Sql.Query.QueryReferencesVisitor:

Public Member Functions
	QueryReferencesVisitor (IList< QueryReference > list, int level)
override SqlExpression	Visit (SqlExpression expression)
	Visits a given SQL expression. More...
override SqlExpression	VisitConstant (SqlConstantExpression constant)
Public Member Functions inherited from Deveel.Data.Sql.Expressions.SqlExpressionVisitor
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	VisitReference (SqlReferenceExpression reference)
virtual SqlExpression	VisitVariableReference (SqlVariableReferenceExpression reference)
virtual SqlExpression	VisitAssign (SqlAssignExpression assign)
virtual SqlExpression	VisitConditional (SqlConditionalExpression conditional)
virtual SqlExpression	VisitTuple (SqlTupleExpression expression)
virtual SqlExpression	VisitQuery (SqlQueryExpression query)

Properties
IList< QueryReference >	References [get, private set]
int	Level [get, private set]

Private Member Functions
void	VisitQueryReference (QueryReferenceExpression expression)

Detailed Description

Definition at line 24 of file QueryReferencesVisitor.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Query.QueryReferencesVisitor.QueryReferencesVisitor ( IList< QueryReference >  list, int  level  )

inline

Definition at line 25 of file QueryReferencesVisitor.cs.

                                                                             {
            References = list;
            Level = level;
        }

Member Function Documentation

override SqlExpression Deveel.Data.Sql.Query.QueryReferencesVisitor.Visit ( SqlExpression  expression )

inlinevirtual

Visits a given SQL expression.

Parameters

expression

The SqlExpression to visit.

Returns

Returns an instance of SqlExpression as result of the visit.

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

Definition at line 34 of file QueryReferencesVisitor.cs.

                                                                      {
            if (expression is QueryReferenceExpression)
                VisitQueryReference((QueryReferenceExpression) expression);

            return base.Visit(expression);
        }

override SqlExpression Deveel.Data.Sql.Query.QueryReferencesVisitor.VisitConstant ( SqlConstantExpression  constant )

inlinevirtual

Parameters

constant

Returns

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

Definition at line 45 of file QueryReferencesVisitor.cs.

                                                                                    {
            var value = constant.Value;
            if (!value.IsNull && value.Value is SqlQueryObject &&
                ((SqlQueryObject)value.Value).QueryPlan != null) {
                var queryObject = (SqlQueryObject)value.Value;
                var planNode = queryObject.QueryPlan;
                References = planNode.DiscoverQueryReferences(Level, References);
            }

            return base.VisitConstant(constant);
        }

void Deveel.Data.Sql.Query.QueryReferencesVisitor.VisitQueryReference ( QueryReferenceExpression  expression )

inlineprivate

Definition at line 41 of file QueryReferencesVisitor.cs.

                                                                              {
            References.Add(expression.QueryReference);
        }

Property Documentation

int Deveel.Data.Sql.Query.QueryReferencesVisitor.Level

getprivate set

Definition at line 32 of file QueryReferencesVisitor.cs.

IList<QueryReference> Deveel.Data.Sql.Query.QueryReferencesVisitor.References

getprivate set

Definition at line 30 of file QueryReferencesVisitor.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/QueryReferencesVisitor.cs