[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Support for applying sequences to fields.
Source position: sqldb.pp line 465
type TSQLSequence = class(TPersistent) |
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public |
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constructor Create(); |
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Create a new instance. |
procedure Assign(); override; |
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Assign one TSQLSequence to another. |
procedure Apply; |
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Apply a new value to a field. |
function GetNextValue; |
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Get a next value for the sequence. |
published |
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property FieldName: string; [rw] |
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Field to apply sequence to. |
property SequenceName: string; [rw] |
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Sequence name to get values from. |
property IncrementBy: Integer; [rw] |
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Value to increment sequence with. |
property ApplyEvent: TSQLSequenceApplyEvent; [rw] |
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When to apply the new value. |
end; |
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Support for applying sequences to fields. |
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TObject,IFPObserved |
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.
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Return a list of sequence names. |
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Get next value for a sequence. |