Deveel.Data.Sql.Query.CreateFunctionsNode Class Reference

The node for merging the child node with a set of new function columns over the entire result. More...

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

Public Member Functions
	CreateFunctionsNode (IQueryPlanNode child, SqlExpression[] functionList, string[] nameList)
override ITable	Evaluate (IRequest context)

Protected Member Functions
override void	GetData (SerializeData data)
Protected Member Functions inherited from Deveel.Data.Sql.Query.SingleQueryPlanNode
	SingleQueryPlanNode (IQueryPlanNode child)
	SingleQueryPlanNode (ObjectData data)

Properties
SqlExpression[]	Functions [get, private set]
	The list of functions to create. More...
string[]	Names [get, private set]
	The list of names to give each function table. More...
Properties inherited from Deveel.Data.Sql.Query.SingleQueryPlanNode
IQueryPlanNode	Child [get, private set]
	Gets the single child node of the plan. More...

Private Member Functions
	CreateFunctionsNode (ObjectData data)

Detailed Description

The node for merging the child node with a set of new function columns over the entire result.

For example, we may want to add an expression a + 10 or coalesce(a, b, 1).

Definition at line 34 of file CreateFunctionsNode.cs.

Constructor & Destructor Documentation

Deveel.Data.Sql.Query.CreateFunctionsNode.CreateFunctionsNode ( IQueryPlanNode  child, SqlExpression[]  functionList, string[]  nameList  )

inline

Definition at line 35 of file CreateFunctionsNode.cs.

            : base(child) {
            Functions = functionList;
            Names = nameList;
        }

Deveel.Data.Sql.Query.CreateFunctionsNode.CreateFunctionsNode ( ObjectData  data )

inlineprivate

Definition at line 41 of file CreateFunctionsNode.cs.

            : base(data) {
            Functions = data.GetValue<SqlExpression[]>("Functions");
            Names = data.GetValue<string[]>("Names");
        }

Member Function Documentation

override ITable Deveel.Data.Sql.Query.CreateFunctionsNode.Evaluate ( IRequest  context )

inlinevirtual

Implements Deveel.Data.Sql.Query.SingleQueryPlanNode.

Definition at line 58 of file CreateFunctionsNode.cs.

                                                          {
            var childTable = Child.Evaluate(context);
            var funTable = new FunctionTable(childTable, Functions, Names, context);
            return funTable.MergeWith(null);
        }

override void Deveel.Data.Sql.Query.CreateFunctionsNode.GetData ( SerializeData  data )

inlineprotectedvirtual

Reimplemented from Deveel.Data.Sql.Query.SingleQueryPlanNode.

Definition at line 64 of file CreateFunctionsNode.cs.

                                                            {
            data.SetValue("Functions", Functions);
            data.SetValue("Names", Names);
        }

Property Documentation

SqlExpression [] Deveel.Data.Sql.Query.CreateFunctionsNode.Functions

getprivate set

The list of functions to create.

Definition at line 50 of file CreateFunctionsNode.cs.

string [] Deveel.Data.Sql.Query.CreateFunctionsNode.Names

getprivate set

The list of names to give each function table.

Definition at line 55 of file CreateFunctionsNode.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/CreateFunctionsNode.cs