TableJDBCSeq for GeneratedValue.TABLE did not handle initialValue correctly
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                 Key: OPENJPA-284
                 URL: https://issues.apache.org/jira/browse/OPENJPA-284
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc
    Affects Versions: 1.0.0
         Environment: Window XP, JDK 1.5
            Reporter: Teresa Kan


When I tested the GeneratedValue strategy on TABLE, and I found a bug in the TableJDBCSeq that did not set the InitalValue. Therefore, the sequence always start from 1.  
Here are the bugs in the TableJDBCSeq:
1) InsertSequence method:
       SQLBuffer insert = new SQLBuffer(dict).append("INSERT INTO ").
            append(_pkColumn.getTable()).append(" (").
            append(_pkColumn).append(", ").append(_seqColumn).
            append(") VALUES (").
            appendValue(pk, _pkColumn).append(", ").
            appendValue(Numbers.valueOf(1), _seqColumn).append(")");  --> Always set the initial value to 1.
2) no getter and setter on the InitialValue.

Here is the annotation:
@TableGenerator(name="Dog_Gen", table ="ID_Gen", pkColumnName="GEN_NAME", valueColumnName="GEN_VAL",pkColumnValue="ID2",initialValue=20,allocationSize=10)
@GeneratedValue(strategy=GenerationType.TABLE, generator="Dog_Gen")
private int id2;

The initial value always started from 1 with the current openjpa implementation. 
The fix will be like this:
1) add getter and setter of InitialValue in TableJDBCSeq .
2) add int _initValue variable.
3) Change the  InsertSequence method:
       SQLBuffer insert = new SQLBuffer(dict).append("INSERT INTO ").
            append(_pkColumn.getTable()).append(" (").
            append(_pkColumn).append(", ").append(_seqColumn).
            append(") VALUES (").
            appendValue(pk, _pkColumn).append(", ").
            appendValue(_intValue, _seqColumn).append(")"); ---> change to use the initValue instead of 1.



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