Describes the variables in a SQL descriptor area, and places data into the
descriptor area.
Syntax
SET DESCRIPTOR <descriptor-name>
… { COUNT = { <integer> | <hostvar> }
| VALUE <n> assignment [, …] }
assignment
{ { TYPE
| SCALE
| PRECISION
| LENGTH
| INDICATOR } = { <integer>
| <hostvar> }
| DATA = <hostvar> }
Parameters
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- COUNT sets the number of described variables within
the descriptor area. The value for count cannot exceed the number of
variables specified when the descriptor area was allocated.
- VALUE the value n specifies the variable in the
descriptor area upon which the assignments are performed.
- DATA type checking is performed when using the DATA
clause to ensure that the variable in the descriptor area has the same type
as the host variable. If an error occurs, the code is returned in the
SQLCA.
Examples
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- Example 1 see ALLOCATE DESCRIPTOR
Statement [ESQL].
Standards
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- SQL—ISO/ANSI SQL compliant.
- SAP Database products—Supported by Open
Client/Open Server.