Oracle getting started Tutorial: Summary of Sequence used in the ADF

Source: Internet
Author: User
1. Use Groovy in EO attributes: Simple and Direct missing: Break number (newOracle. jbo. server. SequenceImpl (XXXX_SEQ, adf. object. getDBTransac

1. Use Groovy in EO attributes: Simple and Direct missing: Break number (new Oracle. jbo. server. SequenceImpl (XXXX_SEQ, adf. object. getDBTransac

1. Use Groovy in EO attributes

Excellent: Simple and Direct

Missing: disconnected number

  • (New Oracle. jbo. server. SequenceImpl ("XXXX_SEQ", adf. object. getDBTransaction (). getSequenceNumber ()
  • 2. assign values to attributes in the create method of the java class corresponding to EO

    Excellent: complex Sequence values can be generated.

    Missing: disconnected number

    3. Use the DBSequence type

    Create a Trigger on the database to assign values to the table fields. In EO, set the field type to DBSequence.
    Excellent: avoid disconnection

    Missing: The value displayed on the interface is different from the value saved to the database by the final commit.

    ,

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