Deveel.Data.Sql.Parser.OrderByNode Class Reference

Within an SQL query node, this describes the ordering criteria that will be applied when returning the results of the selection. More...

Inheritance diagram for Deveel.Data.Sql.Parser.OrderByNode:

Protected Member Functions
override ISqlNode	OnChildNode (ISqlNode node)
	During the initialization of the node from the parser, this method is called for every child node added to ChildNodes More...
Protected Member Functions inherited from Deveel.Data.Sql.Parser.SqlNode
virtual void	OnNodeInit ()
	After the initialization of the node from the parser, this method is invoked to let the specific initialization to occur. More...

Package Functions
	OrderByNode ()

Properties
IExpressionNode	Expression [get, private set]
	Gets the expression used to compare results and put in order. More...
bool	Ascending [get, private set]
	Gets a value indicating whether the returned ordered set will be presented in ascending order. More...
Properties inherited from Deveel.Data.Sql.Parser.SqlNode
ISqlNode	Parent [get, private set]
	Gets the parent of the current node. More...
string	NodeName [get, private set]
	Gets the name of the node, as expressed in the SQL grammar. More...
IEnumerable< ISqlNode >	ChildNodes [get, private set]
	Gets an immutable list of nodes, children of the current node. More...
IEnumerable< Token >	Tokens [get, private set]
	Gets an immutable list of Token that represent the source of this node. More...
string ISqlNode.	NodeName [get]
ISqlNode ISqlNode.	Parent [get]
IEnumerable< ISqlNode > ISqlNode.	ChildNodes [get]
IEnumerable< Token > ISqlNode.	Tokens [get]
Properties inherited from Deveel.Data.Sql.Parser.ISqlNode
string	NodeName [get]
	Gets the name of the node analyzed from the parser. More...
ISqlNode	Parent [get]
	Gets a reference to the parent ISqlNode, if any. More...
IEnumerable< ISqlNode >	ChildNodes [get]
	Gets a read-only enumeration of the children nodes, if any. More...
IEnumerable< Token >	Tokens [get]
	Gets an enumeration of the tokens composing the this node. More...

Private Member Functions
void	GetOrder (ISqlNode node)

Additional Inherited Members
Public Member Functions inherited from Deveel.Data.Sql.Parser.SqlNode
	SqlNode ()

Detailed Description

Within an SQL query node, this describes the ordering criteria that will be applied when returning the results of the selection.

Definition at line 25 of file OrderByNode.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Parser.OrderByNode.OrderByNode ( )

inlinepackage

Definition at line 26 of file OrderByNode.cs.

                               {
        }

Member Function Documentation

void Deveel.Data.Sql.Parser.OrderByNode.GetOrder ( ISqlNode  node )

inlineprivate

Definition at line 53 of file OrderByNode.cs.

                                             {
            var child = node.ChildNodes.FirstOrDefault();
            if (child is SqlKeyNode) {
                var keyNode = (SqlKeyNode) child;
                if (String.Equals(keyNode.Text, "ASC", StringComparison.OrdinalIgnoreCase)) {
                    Ascending = true;
                } else if (String.Equals(keyNode.Text, "DESC", StringComparison.OrdinalIgnoreCase)) {
                    Ascending = false;
                }
            }
        }

override ISqlNode Deveel.Data.Sql.Parser.OrderByNode.OnChildNode ( ISqlNode  node )

inlineprotectedvirtual

During the initialization of the node from the parser, this method is called for every child node added to ChildNodes

Reimplemented from Deveel.Data.Sql.Parser.SqlNode.

Definition at line 41 of file OrderByNode.cs.

                                                               {
            if (node.NodeName == "sql_reference_expression") {
                Expression = (IExpressionNode) node;
            } else if (node.NodeName == "sql_expression") {
                Expression = (IExpressionNode) node;
            } else if (node.NodeName == "sort_order") {
                GetOrder(node);
            }

            return base.OnChildNode(node);
        }

Property Documentation

bool Deveel.Data.Sql.Parser.OrderByNode.Ascending

getprivate set

Gets a value indicating whether the returned ordered set will be presented in ascending order.

Definition at line 38 of file OrderByNode.cs.

IExpressionNode Deveel.Data.Sql.Parser.OrderByNode.Expression

getprivate set

Gets the expression used to compare results and put in order.

Definition at line 32 of file OrderByNode.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.Parser/OrderByNode.cs