Examples of org.apache.derby.iapi.sql.dictionary.SequenceDescriptor

Package org.apache.derby.iapi.sql.dictionary

Examples of org.apache.derby.iapi.sql.dictionary.SequenceDescriptor

org.apache.derby.iapi.sql.dictionary.SequenceDescriptor
This class is used by rows in the SYS.SYSSEQUENCES system table. See the header comment of SYSSEQUENCESRowFactory for the contract of that table. In particular, if the CURRENTVALUE column is null, then the sequence has been exhausted and no more values can be generated from it.

        long increment = 0;
        boolean canCycle = false;




        if (td != null) {
            SequenceDescriptor sd = (SequenceDescriptor) td;


            UUID oid = sd.getUUID();
            oidString = oid.toString();
            sequenceName = sd.getSequenceName();


            UUID schemaId = sd.getSchemaId();
            schemaIdString = schemaId.toString();


            typeDesc = sd.getDataType().getCatalogType();


            currentValue = sd.getCurrentValue();
            startValue = sd.getStartValue();
            minimumValue = sd.getMinimumValue();
            maximumValue = sd.getMaximumValue();
            increment = sd.getIncrement();
            canCycle = sd.canCycle();
        }


        /* Build the row to insert */
        row = getExecutionFactory().getValueRow(SYSSEQUENCES_COLUMN_COUNT);

View Full Code Here

             TupleDescriptor parentTupleDescriptor,
             DataDictionary dd)
            throws StandardException {


        DataValueDescriptor col;
        SequenceDescriptor descriptor;
        UUID ouuid;
        String sequenceName;
        UUID suuid;
        Long currentValue;
        long startValue;

View Full Code Here

            
            _dd.computeSequenceRowLocation( readOnlyTC, _uuidString, rowLocation, sequenceDescriptor );
            
            _sequenceRowLocation = rowLocation[ 0 ];
            
            SequenceDescriptor isd = sequenceDescriptor[ 0 ];
            
            return new SequenceGenerator
                (
                 isd.getCurrentValue(),
                 isd.canCycle(),
                 isd.getIncrement(),
                 isd.getMaximumValue(),
                 isd.getMinimumValue(),
                 isd.getStartValue(),
                 isd.getSchemaDescriptor().getSchemaName(),
                 isd.getSequenceName(),
                 makePreallocator( readOnlyTC )
                 );
        }

View Full Code Here

     */
    public void bindStatement() throws StandardException {
        DataDictionary dataDictionary = getDataDictionary();
        String sequenceName = getRelativeName();


        SequenceDescriptor seqDesc = null;
        SchemaDescriptor sd = getSchemaDescriptor();


        if (sd.getUUID() != null) {
            seqDesc = dataDictionary.getSequenceDescriptor
                    (sd, sequenceName);

View Full Code Here


        /* Set up the start/stop position for the scan */
        ExecIndexRow keyRow = exFactory.getIndexableRow(1);
        keyRow.setColumn(1, UUIDStringOrderable);


        SequenceDescriptor  sequenceDescriptor = (SequenceDescriptor)
                getDescriptorViaIndex(
                        SYSSEQUENCESRowFactory.SYSSEQUENCES_INDEX1_ID,
                        keyRow,
                        (ScanQualifier[][]) null,
                        ti,

View Full Code Here

        /* Set up the start/stop position for the scan */
        ExecIndexRow keyRow = exFactory.getIndexableRow(2);
        keyRow.setColumn(1, schemaIDOrderable);
        keyRow.setColumn(2, sequenceNameOrderable);


        SequenceDescriptor  sequenceDescriptor = (SequenceDescriptor)
                getDescriptorViaIndex(
                        SYSSEQUENCESRowFactory.SYSSEQUENCES_INDEX2_ID,
                        keyRow,
                        (ScanQualifier[][]) null,
                        ti,

View Full Code Here

            if ( uuid !=  null ) { return uuid; }
        }


        // oops, not saved in the sequenceID map yet. lookup the sequence.
        // this will save the uuid in the sequenceID map.
        SequenceDescriptor    desc = getSequenceDescriptor
            ( getSchemaDescriptor( schemaName, getTransactionCompile(), true ), sequenceName );


        if ( desc == null ) { return null; }
        else { return desc.getUUID().toString(); }
    }

View Full Code Here

        schemaDescriptor = DDLConstantAction.getSchemaDescriptorForCreate(dd, activation, _schemaName);


        //
        // Check if this sequence already exists. If it does, throw.
        //
        SequenceDescriptor seqDef = dd.getSequenceDescriptor(schemaDescriptor, _sequenceName);


        if (seqDef != null) {
            throw StandardException.
                    newException(SQLState.LANG_OBJECT_ALREADY_EXISTS,
                            seqDef.getDescriptorType(), _sequenceName);
        }


        seqDef = ddg.newSequenceDescriptor(
                schemaDescriptor,
                dd.getUUIDFactory().createUUID(),

View Full Code Here

        ** We tell the data dictionary we're done writing at the end of
        ** the transaction.
        */
        dd.startWriting(lcc);


        SequenceDescriptor sequenceDescriptor = dd.getSequenceDescriptor(schemaDescriptor, sequenceName);


        if (sequenceDescriptor == null) {


            throw StandardException.newException(SQLState.LANG_OBJECT_NOT_FOUND_DURING_EXECUTION, "SEQUENCE",
                    (schemaDescriptor.getObjectName() + "." + sequenceName));
        }


        sequenceDescriptor.drop(lcc);


    }

View Full Code Here

            
            _dd.computeSequenceRowLocation( readOnlyTC, _uuidString, rowLocation, sequenceDescriptor );
            
            _sequenceRowLocation = rowLocation[ 0 ];
            
            SequenceDescriptor isd = sequenceDescriptor[ 0 ];
            
            return new SequenceGenerator
                (
                 isd.getCurrentValue(),
                 isd.canCycle(),
                 isd.getIncrement(),
                 isd.getMaximumValue(),
                 isd.getMinimumValue(),
                 isd.getStartValue(),
                 isd.getSequenceName()
                 );
        }

View Full Code Here

0 1 2

TOP

Related Classes of org.apache.derby.iapi.sql.dictionary.SequenceDescriptor

org.apache.derby.iapi.sql.depend.DependencyManager

org.apache.derby.iapi.store.access.TransactionController

org.apache.derby.impl.sql.catalog.DataDictionaryImpl

org.apache.derby.impl.sql.catalog.DDdependableFinder

org.apache.derby.impl.sql.catalog.SequenceUpdater$SyssequenceUpdater

org.apache.derby.impl.sql.catalog.SYSSEQUENCESRowFactory

org.apache.derby.impl.sql.compile.DropSequenceNode

org.apache.derby.impl.sql.compile.InsertNode

org.apache.derby.impl.sql.execute.AlterTableConstantAction

org.apache.derby.impl.sql.execute.CreateSequenceConstantAction

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.