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

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

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

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

org.apache.derby.iapi.sql.dictionary.DataDictionary.dropColumnDescriptor()
Given a column name and a table ID, drops the column descriptor from the table. @param tableID The UUID of the table to drop the column from @param columnName The name of the column to drop @param tc TransactionController for the transaction @exception StandardException Thrown on failure

                           columnInfo[ix].autoincInc,
                           columnInfo[ix].autoinc_create_or_modify_Start_Increment
                           );


    // Update the ColumnDescriptor with new default info
    dd.dropColumnDescriptor(td.getUUID(), columnInfo[ix].name, tc);
    dd.addDescriptor(columnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);
  
    if (columnInfo[ix].action == ColumnInfo.MODIFY_COLUMN_DEFAULT_INCREMENT)
    {

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          dm.invalidateFor(constraintDescriptor, DependencyManager.RENAME, lcc);
      }
    }


    // 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

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          dm.invalidateFor(constraintDescriptor, DependencyManager.RENAME, lcc);
      }
    }


    // 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

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    }


    compressTable(activation);


    // drop the column from syscolumns 
    dd.dropColumnDescriptor(td.getUUID(), columnInfo[ix].name, tc);
    ColumnDescriptor[] cdlArray = new ColumnDescriptor[size - columnDescriptor.getPosition()];


    for (int i = columnDescriptor.getPosition(), j = 0; i < size; i++, j++)
    {
      ColumnDescriptor cd = (ColumnDescriptor) tab_cdl.elementAt(i);

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    ColumnDescriptor[] cdlArray = new ColumnDescriptor[size - columnDescriptor.getPosition()];


    for (int i = columnDescriptor.getPosition(), j = 0; i < size; i++, j++)
    {
      ColumnDescriptor cd = (ColumnDescriptor) tab_cdl.elementAt(i);
      dd.dropColumnDescriptor(td.getUUID(), cd.getColumnName(), tc);
      cd.setPosition(i);
      cdlArray[j] = cd;
    }
    dd.addDescriptorArray(cdlArray, td,
                DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);

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                  );
    




    // Update the ColumnDescriptor with new default info
    dd.dropColumnDescriptor(td.getUUID(), columnInfo[ix].name, tc);
    dd.addDescriptor(newColumnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);
  }  


  /**

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                  columnDescriptor.getAutoincInc() != 0);
    




    // Update the ColumnDescriptor with new default info
    dd.dropColumnDescriptor(td.getUUID(), colName, tc);
    dd.addDescriptor(newColumnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);
    
  }
  /**

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                           columnInfo[ix].autoincInc,
                           columnInfo[ix].autoincInc != 0
                           );


    // Update the ColumnDescriptor with new default info
    dd.dropColumnDescriptor(td.getUUID(), columnInfo[ix].name, tc);
    dd.addDescriptor(columnDescriptor, td,
             DataDictionary.SYSCOLUMNS_CATALOG_NUM, false, tc);
  
    if (columnInfo[ix].autoincInc != 0)
    {

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          dm.invalidateFor(constraintDescriptor, DependencyManager.RENAME, lcc);
      }
    }


    // 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

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    td = dd.getTableDescriptor(tableId);


    compressTable(activation);


    // drop the column from syscolumns 
    dd.dropColumnDescriptor(td.getUUID(), columnInfo[ix].name, tc);
    ColumnDescriptor[] cdlArray = 
            new ColumnDescriptor[size - columnDescriptor.getPosition()];


    // For each column in this table with a higher column position,
    // drop the entry from SYSCOLUMNS, but hold on to the column

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