[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'db' (#fcl)

TParam.ParamType

Type of parameter

Declaration

Source position: db.pas line 1769

published property TParam.ParamType: TParamType
  read FParamType
  write FParamType;

Description

ParamTyp specifies the type of parameter: is the parameter value written to the database engine, or is it received from the database engine, or both ? It can have the following value:

ptUnknown
Unknown type
ptInput
Input parameter
ptOutput
Output paramete, filled on result
ptInputOutput
Input/output parameter
ptResult
Result parameter

The ParamType property is usually set by the database engine that creates the parameter instances.

See also

TParam.DataType

  

Data type of the parameter

TParam.DataSize

TParam.Name

  

Name of the parameter
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