ArxProcedureExpression

Definition

Namespace

ARX.SDK.Query

Package

ARX.SDK

public sealed class ArxProcedureExpression

Constructor

• ArxProcedureExpression()

  A call with no routine yet: set ProcedureName.

• ArxProcedureExpression(string procedureName)

  A call to this procedure; set ProcedureType to call a function.

  Parameter	Type	Description
  procedureName	string	The routine, or schema.routine.

Properties

• string ProcedureName { get; set; }

  The routine's name, optionally schema-qualified (reporting.sp_close_month). Validated by the provider.

• ArxProcedureType ProcedureType { get; set; }

  Procedure (the default) or function.

• List<ArxProcedureParameter> Parameters { get; set; }

  The parameters, in the order they are passed.

• bool ReturnsCursors { get; set; }

  A function that returns refcursor or SETOF refcursor: each cursor is read as a result set. A procedure declares its cursors as parameters instead.

• List<ArxOrderExpression> Orders { get; set; }

  The order of a function's rows when ARX pages them (way 2). Not for procedures.

• ArxPagingInfo? PageInfo { get; set; }

  The page to return: of a function's rows, of a cursor, or through the routine's own paging arguments (PagingParameters).

• ArxPagingParameters? PagingParameters { get; set; }

  The routine pages itself: ARX fills these arguments from PageInfo (way 1).

• string? PagedResultSet { get; set; }

  Which result set PageInfo pages when there are several cursors: a cursor parameter's name. The first by default.

Methods

• void AddParameter(string name, object? value)

  A named IN argument.

  Parameter	Type	Description
  name	string	The routine's parameter name, as the database declares it.
  value	object?	The value, sent as a parameter; null for SQL NULL.

• void AddParameter(object? value)

  A positional IN argument (positional arguments come before named ones).

  Parameter	Type	Description
  value	object?	The value, sent as a parameter; null for SQL NULL.

• void AddParameter(string name, Type type, object? value)

  A named IN argument with its type, for a null the database can't type by itself (an overloaded routine).

  Parameter	Type	Description
  name	string	The routine's parameter name, as the database declares it.
  type	Type	The parameter's .NET type, so a null is sent with the right database type.
  value	object?	The value, sent as a parameter; null for SQL NULL.

• void AddOutParameter<T>(string name)

  An OUT parameter of a procedure, read into Outputs[name] as T.

  Parameter	Type	Description
  name	string	The routine's OUT parameter name; its value is read back into the result's Outputs.

• void AddOutParameter(string name, Type type)

  An OUT parameter of a procedure, read into Outputs[name] as type.

  Parameter	Type	Description
  name	string	The routine's OUT parameter name; its value is read back into the result's Outputs.
  type	Type	The .NET type the value is read as.

• void AddInOutParameter<T>(string name, T value)

  An INOUT parameter: value goes in, the procedure's value is read into Outputs[name].

  Parameter	Type	Description
  name	string	The routine's INOUT parameter name; the value it ends with is read back.
  value	T	The value sent in.

• void AddCursorParameter(string name)

  A table the procedure returns, through an INOUT refcursor parameter: read into ResultSets[name].

  Parameter	Type	Description
  name	string	The parameter through which the procedure returns a table (a refcursor on PostgreSQL), read as a result set.

• void AddVariadicParameter(string name, Array values)

  An array passed to a named VARIADIC parameter.

  Parameter	Type	Description
  name	string	The routine's VARIADIC parameter name.
  values	Array	The values, sent as one array.

• void AddVariadicParameter(Array values)

  An array passed to a positional VARIADIC parameter.

  Parameter	Type	Description
  values	Array	The values, sent as one array.

• void AddOrder(string attributeName, ArxOrderType orderType)

  Orders a function's rows (way 2).

  Parameter	Type	Description
  attributeName	string	The result column to order by.
  orderType	ArxOrderType	Ascending or Descending.

Usage

var procedure = new ArxProcedureExpression("sp_contacts_named");

Rows from a function: refused on MySQL, and what to read instead, scenario 3

Used in:

• Rows from a function: refused on MySQL, and what to read insteadRetrieveMultiple
• Functions in depth on MySQL: tables, procedures and scalar values instead of row sourcesRetrieveMultiple
• Call a stored procedureExecute
• Read OUT and INOUT valuesExecute
• Call a function: a value, rows, an effectExecute
• A procedure that returns tablesExecute
• Place an order through a procedureExecute
• A report with several result setsExecute
• Page through a procedure's result: the procedure pages itself, ARX pages a result setExecute
• Business errors raised by a procedureExecute
• A nightly job that commits in batchesExecute
• Progress messages from a procedureExecute
• Handle Execute errorsExecute
• Catch an SQL injection attempt on ExecuteExecute
• Execute in an ARX transactionExecute
• Execute in a batch scope: a refused call undone aloneExecute
• Export what a procedure returns, page by pageExecute
• A security check around Execute: probing, blocking, unblocking a false positiveExecute
• Execute on a preloaded, Strict schema: routines aren't covered, tables areExecute