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.

    // 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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            updatedColumns.add( name );
    }


        for ( int gcIdx = 0; gcIdx < generatedColumnCount; gcIdx++ )
        {
            ColumnDescriptor    gc = generatedColumns.elementAt( gcIdx );
            DefaultInfo             defaultInfo = gc.getDefaultInfo();
            String[]                       mentionedColumnNames = defaultInfo.getReferencedColumnNames();
            int                         mentionedColumnCount = mentionedColumnNames.length;


            // handle the case of setting a generated column to the DEFAULT

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    int           cdlSize = cdl.size();


    for (int index = 0; index < cdlSize; index++)
    {
      /* Build a ResultColumn/BaseColumnNode pair for the column */
      colDesc = (ColumnDescriptor) cdl.elementAt(index);
      //A ColumnDescriptor instantiated through SYSCOLUMNSRowFactory only has 
      //the uuid set on it and no table descriptor set on it. Since we know here
      //that this columnDescriptor is tied to tableDescriptor, set it so using
      //setTableDescriptor method. ColumnDescriptor's table descriptor is used
      //to get ResultSetMetaData.getTableName & ResultSetMetaData.getSchemaName

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    int           cdlSize = cdl.size();


    for (int index = 0; index < cdlSize; index++)
    {
      /* Build a ResultColumn/BaseColumnNode pair for the column */
      cd = (ColumnDescriptor) cdl.elementAt(index);
      int position = cd.getPosition();


      if (!colsWeWant.get(position))
      {
        continue;

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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.addElement(cd.getDefaultValue());
      }

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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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    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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      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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