Deveel.Data.Sql.Parser.GroupByNode Class Reference

A node that describes the GROUP BY clause in a SQL query. More...

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

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
	GroupByNode ()

Properties
IEnumerable< IExpressionNode >	GroupExpressions [get, private set]
	Gets the expression node to group the results. More...
IExpressionNode	HavingExpression [get, private set]
	Gets the HAVING expression used to filter the grouped results. 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	GetGroupExpressions (ISqlNode node)

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

Detailed Description

A node that describes the GROUP BY clause in a SQL query.

Definition at line 25 of file GroupByNode.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Parser.GroupByNode.GroupByNode ( )

inlinepackage

Definition at line 26 of file GroupByNode.cs.

                               {
        }

Member Function Documentation

void Deveel.Data.Sql.Parser.GroupByNode.GetGroupExpressions ( ISqlNode  node )

inlineprivate

Definition at line 50 of file GroupByNode.cs.

                                                        {
            var exps = new List<IExpressionNode>();
            foreach (var childNode in node.ChildNodes) {
                if (childNode is IExpressionNode)
                    exps.Add((IExpressionNode) childNode);
            }

            GroupExpressions = exps.ToArray();
        }

override ISqlNode Deveel.Data.Sql.Parser.GroupByNode.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 40 of file GroupByNode.cs.

                                                               {
            if (node.NodeName == "sql_expression_list") {
                GetGroupExpressions(node);
            } else if (node.NodeName == "having_clause_opt") {
                HavingExpression = node.ChildNodes.FirstOrDefault() as IExpressionNode;
            }

            return base.OnChildNode(node);
        }

Property Documentation

IEnumerable<IExpressionNode> Deveel.Data.Sql.Parser.GroupByNode.GroupExpressions

getprivate set

Gets the expression node to group the results.

Definition at line 32 of file GroupByNode.cs.

IExpressionNode Deveel.Data.Sql.Parser.GroupByNode.HavingExpression

getprivate set

Gets the HAVING expression used to filter the grouped results.

Definition at line 37 of file GroupByNode.cs.

---

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/GroupByNode.cs