Examples of org.apache.derby.iapi.sql.dictionary.ColumnDescriptorList.elementAt()

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

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

Examples of org.apache.derby.iapi.sql.dictionary.ColumnDescriptorList.elementAt()

org.apache.derby.iapi.sql.dictionary.ColumnDescriptorList.elementAt()
Return the nth (0-based) element in the list. @param n Which element to return. @return The nth element in the list.

        ColumnDescriptorList cdl = td.getColumnDescriptorList();
        int totalColumnCount = cdl.size();


        for ( int i = 0; i < totalColumnCount; i++ )
        {
            ColumnDescriptor cd = cdl.elementAt( i );


            // skip columns that are being added and dropped. we only want the untouched columns
            if (
                addColumnNames.contains( cd.getColumnName() ) ||
                dropColumnNames.contains( cd.getColumnName() )

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      ColumnDescriptorList cdl = td.getColumnDescriptorList();
      int           cdlSize = cdl.size();


      for (int index = 0; index < cdlSize; index++)
      {
        ColumnDescriptor cd = (ColumnDescriptor) cdl.elementAt(index);
        baseRow.setColumn(cd.getPosition(), cd.getType().getNull());
      }


            DataValueDescriptor[][] row_array = new DataValueDescriptor[100][];
            row_array[0] = baseRow.getRowArray();

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        ColumnDescriptorList    generatedColumnList = td.getGeneratedColumns();
        int                                 generatedColumnCount = generatedColumnList.size();
        ArrayList                   cascadedDroppedColumns = new ArrayList();
        for ( int i = 0; i < generatedColumnCount; i++ )
        {
            ColumnDescriptor    generatedColumn = generatedColumnList.elementAt( i );
            String[]                       referencedColumnNames = generatedColumn.getDefaultInfo().getReferencedColumnNames();
            int                         referencedColumnCount = referencedColumnNames.length;
            for ( int j = 0; j < referencedColumnCount; j++ )
            {
                if ( columnName.equals( referencedColumnNames[ j ] ) )

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    // column. Then, re-add all those adjusted column descriptors
    // back to SYSCOLUMNS
    //
    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);
      if (cd.isAutoincrement())
      {
        cd.setAutoinc_create_or_modify_Start_Increment(

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            if (cd.getConstraintType() == DataDictionary.UNIQUE_CONSTRAINT) 
            {
                ColumnDescriptorList columns = cd.getColumnDescriptors();
                for (int count = 0; count < columns.size(); count++) 
                {
                    if (columns.elementAt(count).getPosition() != columnPostion)
                        break;


                    //get backing index
                    ConglomerateDescriptor desc = 
                        td.getConglomerateDescriptor(cd.getConglomerateId());

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    ColumnDescriptorList cdl = td.getColumnDescriptorList();
    int           cdlSize = cdl.size();
    
    for(int index = 0; index < cdlSize; index++)
    {
      ColumnDescriptor cd = (ColumnDescriptor) cdl.elementAt(index);


      // If column has a default we drop the default and
      // any dependencies
      if (cd.getDefaultInfo() != null)
      {

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    {
      cdlCopy.add( cdl.get(index));
    }
    for (int index = 0; index < cdlSize; index++)
    {
      cd = (ColumnDescriptor) cdlCopy.elementAt(index);
      cdl.set(cd.getPosition() - 1, cd);
    }
  }


  /**

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    int cdlSize = cdl.size();
    DataTypeDescriptor[] params = new DataTypeDescriptor[cdlSize];  
    for (int index = 0; index < cdlSize; index++)
    {
      ColumnDescriptor cd = (ColumnDescriptor) cdl.elementAt(index);
      params[index] = cd.getType();
            if (defaults != null) {
                defaults.add(cd.getDefaultValue());
      }
    }

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            String  colRefName = cr.getColumnName();
            String  tabRefName = cr.getTableName();


            for ( int gc_idx = 0; gc_idx < genColCount; gc_idx++ )
            {
                String  genColName = generatedColumns.elementAt( gc_idx ).getColumnName();


                if ( genColName.equals( colRefName ) && equals( newTableName, tabRefName ) )
                {
                    throw StandardException.newException( SQLState.LANG_GEN_COL_BEFORE_TRIG, genColName );
                }

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    ColumnDescriptorList cdl = td.getColumnDescriptorList();
    int           cdlSize = cdl.size();


    for (int index = 0; index < cdlSize; index++)
    {
      cd = (ColumnDescriptor) cdl.elementAt(index);


      if ((posn < originalRCS.length) &&
        (cd.getPosition() == originalRCS[posn].getColumnPosition()))
      {
        rc = originalRCS[posn];

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