Examples of org.apache.derby.iapi.store.access.TransactionController.openConglomerate()

Package org.apache.derby.iapi.store.access

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

Examples of org.apache.derby.iapi.store.access.TransactionController.openConglomerate()

org.apache.derby.iapi.store.access.TransactionController.openConglomerate()
Open a conglomerate for use.
The lock level indicates the minimum lock level to get locks at, the underlying conglomerate implementation may actually lock at a higher level (ie. caller may request MODE_RECORD, but the table may be locked at MODE_TABLE instead).
The close method is on the ConglomerateController interface. @return a ConglomerateController to manipulate the conglomerate. @param conglomId The identifier of the conglomerate to open. @param hold If true, will be maintained open over commits. @param open_mode Specifiy flags to control opening of table. OPENMODE_FORUPDATE - if set open the table for update otherwise open table shared. @param lock_level One of (MODE_TABLE, MODE_RECORD). @param isolation_level The isolation level to lock the conglomerate at.One of (ISOLATION_READ_COMMITTED, ISOLATION_REPEATABLE_READ or ISOLATION_SERIALIZABLE). @exception StandardException if the conglomerate could not be opened for some reason. Throws SQLState.STORE_CONGLOMERATE_DOES_NOT_EXIST if the conglomId being requested does not exist for some reason (ie. someone has dropped it).

    // Get the current transaction controller
    tc = getTransactionCompile();


    outRow = rf.makeEmptyRow();


    heapCC = tc.openConglomerate(
                ti.getHeapConglomerate(), false, 0,
                TransactionController.MODE_RECORD,
                TransactionController.ISOLATION_REPEATABLE_READ);


    /* Scan the index and go to the data pages for qualifying rows to

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    TransactionController tc = 
      lcc.getTransactionCompile();


    long tableId = td.getHeapConglomerateId();
    heapCC = 
            tc.openConglomerate(
                tableId, false, 0, tc.MODE_RECORD, tc.ISOLATION_READ_COMMITTED);
    try
    {
      rl = heapCC.newRowLocationTemplate();
    }

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    /* Get a ConglomerateController for the base conglomerate */
    tc = activation.getTransactionController();


    try
    {
      cc = tc.openConglomerate(
                  conglomerateNumber,
                    false,
          (exclusiveMode) ?
            (TransactionController.OPENMODE_FORUPDATE | 
              TransactionController.OPENMODE_FOR_LOCK_ONLY) :

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      if (needToDropSort)
         tc.dropSort(sortId);
    }


    ConglomerateController indexController =
      tc.openConglomerate(
                conglomId, false, 0, TransactionController.MODE_TABLE,
                TransactionController.ISOLATION_SERIALIZABLE);


    // Check to make sure that the conglomerate can be used as an index
    if ( ! indexController.isKeyed())

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    /* Get a ConglomerateController for the base conglomerate */
    tc = activation.getTransactionController();


    try
    {
      cc = tc.openConglomerate(
                  conglomerateNumber,
                    false,
          (exclusiveMode) ?
            (TransactionController.OPENMODE_FORUPDATE | 
              TransactionController.OPENMODE_FOR_LOCK_ONLY) :

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                    properties,
                    TransactionController.IS_TEMPORARY | 
                    TransactionController.IS_KEPT);
      conglomCreated = true;


      cc = tc.openConglomerate(CID, 
                                false,
                                TransactionController.OPENMODE_FORUPDATE,
                                TransactionController.MODE_TABLE,
                                TransactionController.ISOLATION_SERIALIZABLE);
      if(isUniqueStream)

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        Properties props = makeIndexProperties(uniqueIndexRow, CID);
        uniqueIndexConglomId =
          tc.createConglomerate("BTREE",uniqueIndexRow , null,  props, 
                      TransactionController.IS_TEMPORARY | 
                      TransactionController.IS_KEPT);
        uniqueIndex_cc = tc.openConglomerate(
                uniqueIndexConglomId, 
                false,
                TransactionController.OPENMODE_FORUPDATE,
                TransactionController.MODE_TABLE,
                TransactionController.ISOLATION_SERIALIZABLE);

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      Properties props = makeIndexProperties(positionIndexRow, CID);
      positionIndexConglomId =
        tc.createConglomerate("BTREE", positionIndexRow, null,  props, 
                    TransactionController.IS_TEMPORARY |
                    TransactionController.IS_KEPT);
      positionIndex_cc = tc.openConglomerate(
                          positionIndexConglomId, 
                          false,
                          TransactionController.OPENMODE_FORUPDATE,
                          TransactionController.MODE_TABLE,
                          TransactionController.ISOLATION_SERIALIZABLE);

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    TransactionController tc = 
      lcc.getTransactionCompile();


    long tableId = td.getHeapConglomerateId();
    heapCC = 
            tc.openConglomerate(
                tableId, false, 0, tc.MODE_RECORD, tc.ISOLATION_READ_COMMITTED);
    try
    {
      rl = heapCC.newRowLocationTemplate();
    }

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      if (needToDropSort)
         tc.dropSort(sortId);
    }


    ConglomerateController indexController =
      tc.openConglomerate(
                conglomId, false, 0, TransactionController.MODE_TABLE,
                TransactionController.ISOLATION_SERIALIZABLE);


    // Check to make sure that the conglomerate can be used as an index
    if ( ! indexController.isKeyed())

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