Deveel.Data.Sql.Parser.SqlBinaryExpressionNode Class Reference

Represents an expression that evaluates between two other expressions. More...

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

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...

Properties
IExpressionNode	Left [get, private set]
	Gets the left side argument of the expression. More...
IExpressionNode	Right [get, private set]
	Gets the right side argument of the expression. More...
bool	IsAll [get, private set]
	Gets a boolean value indicating if the expression is the special case of ALL. More...
bool	IsAny [get, private set]
	Gets a boolean value indicating if the expression is the special case of ANY. More...
string	Operator [get, private set]
	Gets the binary operator that will be used to evaluate the final result. 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	GetOperator (ISqlNode node)
void	GetLogicalOp (ISqlNode node)
void	GetAnyAllOp (ISqlNode node)

Private Attributes
bool	leftSeen

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

Detailed Description

Represents an expression that evaluates between two other expressions.

Definition at line 25 of file SqlBinaryExpressionNode.cs.

Member Function Documentation

void Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.GetAnyAllOp ( ISqlNode  node )

inlineprivate

Definition at line 100 of file SqlBinaryExpressionNode.cs.

                                                {
            var sb = new StringBuilder();
            foreach (var childNode in node.ChildNodes) {
                if (childNode is SqlKeyNode) {
                    var anyOrAll = ((SqlKeyNode) childNode).Text;
                    if (String.Equals(anyOrAll, "ALL", StringComparison.OrdinalIgnoreCase)) {
                        IsAll = true;
                    } else if (String.Equals(anyOrAll, "ANY", StringComparison.OrdinalIgnoreCase)) {
                        IsAny = true;
                    }
                } else if (childNode.NodeName == "binary_op_simple") {
                    var op = childNode.ChildNodes.First();
                    sb.Append(((SqlKeyNode) op).Text);
                }
            }

            Operator = sb.ToString();
        }

void Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.GetLogicalOp ( ISqlNode  node )

inlineprivate

Definition at line 88 of file SqlBinaryExpressionNode.cs.

                                                 {
            var sb = new StringBuilder();
            foreach (var childNode in node.ChildNodes) {
                if (childNode is SqlKeyNode) {
                    sb.Append(((SqlKeyNode) childNode).Text);
                    sb.Append(" ");
                }
            }

            Operator = sb.ToString().Trim();
        }

void Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.GetOperator ( ISqlNode  node )

inlineprivate

Definition at line 73 of file SqlBinaryExpressionNode.cs.

                                                {
            var childNode = node.ChildNodes.First();
            if (childNode.NodeName == "binary_op_simple") {
                var op = childNode.ChildNodes.First();
                Operator = ((SqlKeyNode) op).Text;
            } else if (childNode.NodeName == "logical_op") {
                GetLogicalOp(childNode); 
            } else if (node.NodeName == "any_op" ||
                       node.NodeName == "all_op") {
                GetAnyAllOp(childNode);
            } else if (childNode.NodeName == "subquery_op") {
                GetLogicalOp(childNode);
            }
        }

override ISqlNode Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.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 57 of file SqlBinaryExpressionNode.cs.

                                                               {
            if (node is IExpressionNode) {
                if (!leftSeen) {
                    Left = (IExpressionNode) node;
                    leftSeen = true;
                } else {
                    Right = (IExpressionNode) node;
                    leftSeen = false;
                }
            } else if (node.NodeName == "binary_op") {
                GetOperator(node);
            }

            return base.OnChildNode(node);
        }

Member Data Documentation

bool Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.leftSeen

private

Definition at line 26 of file SqlBinaryExpressionNode.cs.

Property Documentation

bool Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.IsAll

getprivate set

Gets a boolean value indicating if the expression is the special case of ALL.

Definition at line 42 of file SqlBinaryExpressionNode.cs.

bool Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.IsAny

getprivate set

Gets a boolean value indicating if the expression is the special case of ANY.

Definition at line 48 of file SqlBinaryExpressionNode.cs.

IExpressionNode Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.Left

getprivate set

Gets the left side argument of the expression.

Definition at line 31 of file SqlBinaryExpressionNode.cs.

string Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.Operator

getprivate set

Gets the binary operator that will be used to evaluate the final result.

Definition at line 54 of file SqlBinaryExpressionNode.cs.

IExpressionNode Deveel.Data.Sql.Parser.SqlBinaryExpressionNode.Right

getprivate set

Gets the right side argument of the expression.

Definition at line 36 of file SqlBinaryExpressionNode.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/SqlBinaryExpressionNode.cs