Examples of org.apache.derby.iapi.sql.dictionary.DataDictionary.addDescriptor()

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

Class org.apache.derby.iapi.sql.dictionary.DataDictionary

Examples of org.apache.derby.iapi.sql.dictionary.DataDictionary.addDescriptor()

org.apache.derby.iapi.sql.dictionary.DataDictionary.addDescriptor()
Adds a descriptor to a system catalog identified by the catalogNumber. @param tuple descriptor to insert. @param parent parent descriptor; e.g for a column parent is thetabledescriptor to which the descriptor is beign inserted. for most other objects it is the schema descriptor. @param catalogNumber a value which identifies the catalog into whichthe descriptor should be inserted. It is the users responsibility to ensure that the catalogNumber is consistent with the tuple being inserted. @see DataDictionary#SYSCONGLOMERATES_CATALOG_NUM @param allowsDuplicates whether an exception should be thrown if theinsert results in a duplicate; if this parameter is FALSE then one of the following exception will be thrown; LANG_OBJECT_ALREADY_EXISTS (if parent is null) or LANG_OBJECT_ALREADY_EXISTS_IN_OBJECT (if parent is not null). The error message is created by getting the name and type of the tuple and parent. @see org.apache.derby.impl.sql.catalog.DataDictionaryImpl#duplicateDescriptorException @param tc the transaction controller to use to do all of this. @see #addDescriptorArray

    {
      ConglomerateDescriptor cgd =
        ddg.newConglomerateDescriptor(conglomId, indexName, true,
                      indexRowGenerator, isConstraint,
                      conglomerateUUID, td.getUUID(), sd.getUUID() );
      dd.addDescriptor(cgd, sd, DataDictionary.SYSCONGLOMERATES_CATALOG_NUM, false, tc);
      // add newly added conglomerate to the list of conglomerate 
      // descriptors in the td.
      ConglomerateDescriptorList cdl = 
        td.getConglomerateDescriptorList();
      cdl.add(cgd);

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    ConglomerateDescriptor cgd =
      ddg.newConglomerateDescriptor(conglomId, indexName, true,
                      indexRowGenerator, isConstraint,
                      conglomerateUUID, td.getUUID(), sd.getUUID() );


    dd.addDescriptor(cgd, sd, DataDictionary.SYSCONGLOMERATES_CATALOG_NUM, false, tc);


    // add newly added conglomerate to the list of conglomerate descriptors
    // in the td.
    ConglomerateDescriptorList cdl = td.getConglomerateDescriptorList();
    cdl.add(cgd);

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      {
        StatisticsDescriptor statDesc = 
          new StatisticsDescriptor(dd, dd.getUUIDFactory().createUUID(),
                        cgd.getUUID(), td.getUUID(), "I", new StatisticsImpl(numRows, c[i]),
                        i + 1);
        dd.addDescriptor(statDesc, null, 
                 DataDictionary.SYSSTATISTICS_CATALOG_NUM,
                 true, tc);
      }
    }
  }

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    // Drop the table
    dd.dropTableDescriptor(td, sd, tc);
    // Change the table name of the table descriptor
    td.setTableName(newTableName);
    // add the table descriptor with new name
    dd.addDescriptor(td, sd, DataDictionary.SYSTABLES_CATALOG_NUM,
             false, tc);
  }


  //do necessary work for rename column at execute time.
  private void execGutsRenameColumn

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    }


    // Drop the column
    dd.dropColumnDescriptor(td.getUUID(), oldObjectName, tc);
    columnDescriptor.setColumnName(newObjectName);
    dd.addDescriptor(columnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);


    //Need to do following to reload the cache so that table
    //descriptor now has new column name
    td = dd.getTableDescriptor(td.getObjectID());

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    /* Drop the index descriptor */
    dd.dropConglomerateDescriptor(conglomerateDescriptor, tc);
    // Change the index name of the index descriptor
    conglomerateDescriptor.setConglomerateName(newObjectName);
    // add the index descriptor with new name
    dd.addDescriptor(conglomerateDescriptor, sd,
             DataDictionary.SYSCONGLOMERATES_CATALOG_NUM, false, tc);
  }


  /* Following is used for error handling by repSourceCompilerUtilities
   * in it's method checkIfRenameDependency */

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    DataDescriptorGenerator ddg = dd.getDataDescriptorGenerator();


    if ( tableType != TableDescriptor.GLOBAL_TEMPORARY_TABLE_TYPE )
    {
      td = ddg.newTableDescriptor(tableName, sd, tableType, lockGranularity);
      dd.addDescriptor(td, sd, DataDictionary.SYSTABLES_CATALOG_NUM, false, tc);
    } else
    {
      td = ddg.newTableDescriptor(tableName, sd, tableType, onCommitDeleteRows, onRollbackDeleteRows);
      td.setUUID(dd.getUUIDFactory().createUUID());
    }

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    ConglomerateDescriptor cgd =
      ddg.newConglomerateDescriptor(conglomId, null, false, null, false, null, toid,
                      sd.getUUID());
    if ( tableType != TableDescriptor.GLOBAL_TEMPORARY_TABLE_TYPE )
    {
      dd.addDescriptor(cgd, sd, DataDictionary.SYSCONGLOMERATES_CATALOG_NUM,
             false, tc);
    }


    // add the newly added conglomerate to the table descriptor
    ConglomerateDescriptorList conglomList = td.getConglomerateDescriptorList();

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            for (int i=0; i < cardinality.length; i++) {
                StatisticsDescriptor statDesc = new StatisticsDescriptor(
                        dd, uf.createUUID(), index, table, "I",
                     new StatisticsImpl(numRows, cardinality[i]),
                     i+1);
                dd.addDescriptor(statDesc, null,
                        DataDictionary.SYSSTATISTICS_CATALOG_NUM, true, tc);
            }


            // Log some information.
            ConglomerateDescriptor cd = dd.getConglomerateDescriptor(index);

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    // Update the ColumnDescriptor with new default info
    dd.dropColumnDescriptor(td.getUUID(), colName, tc);
    dd.addDescriptor(newColumnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);
    
  }
  /**
   * Workhorse for modifying the default value of a column.

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