Deveel.Data.Sql.Parser.LimitNode Class Reference

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

Protected Member Functions
override void	OnNodeInit ()
	After the initialization of the node from the parser, this method is invoked to let the specific initialization to occur. More...
Protected Member Functions inherited from Deveel.Data.Sql.Parser.SqlNode
virtual 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...

Properties
long	Count [get, private set]
long	Offset [get, private set]
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...

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

Detailed Description

Definition at line 20 of file LimitNode.cs.

Member Function Documentation

override void Deveel.Data.Sql.Parser.LimitNode.OnNodeInit ( )

inlineprotectedvirtual

After the initialization of the node from the parser, this method is invoked to let the specific initialization to occur.

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

Definition at line 25 of file LimitNode.cs.

                                             {
            long? arg1 = null, arg2 = null;
            foreach (var childNode in ChildNodes) {
                if (childNode is IntegerLiteralNode) {
                    if (arg1 == null) {
                        arg1 = ((IntegerLiteralNode) childNode).Value;
                    } else if (arg2 == null) {
                        arg2 = ((IntegerLiteralNode) childNode).Value;
                    }
                }
            }

            if (arg1 == null && arg2 == null)
                throw new SqlParseException("At least one parameter is required in a LIMIT.");

            if (arg2 != null) {
                Offset = arg1.Value;
                Count = arg2.Value;
            } else {
                Count = arg1.Value;
            }

            base.OnNodeInit();
        }

Property Documentation

long Deveel.Data.Sql.Parser.LimitNode.Count

getprivate set

Definition at line 21 of file LimitNode.cs.

long Deveel.Data.Sql.Parser.LimitNode.Offset

getprivate set

Definition at line 23 of file LimitNode.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/LimitNode.cs