| [Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Support for applying sequences to fields
Source position: sqldb.pp line 423
type TSQLSequence = class(TPersistent) |
||
public |
||
constructor Create(); |
|
Create a new instance |
procedure Assign(); override; |
|
Assign one TSQLSequence to another |
procedure Apply; |
|
Apply a new value to a field |
function GetNextValue; |
|
Get a next value for the sequence |
published |
||
property FieldName: string; [rw] |
|
Field to apply sequence to |
property SequenceName: string; [rw] |
|
Sequence name to get values from |
property IncrementBy: Integer; [rw] |
|
Value to increment sequence with |
property ApplyEvent: TSQLSequenceApplyEvent; [rw] |
|
When to apply the new value |
end; |
|
Support for applying sequences to fields |
|
| | | ||
| | | ||
TSQLSequence is an auxiliary class, used to auto-generate numerical values for fields in databases that support sequences; it is used as a property of TSQLQuery and its properties determine which field must be auto-generated, and at what moment this value must be generated.
|
Return a list of sequence names |
|
|
Get next value for a sequence |