code: protected String determineSegmentColumnName(Properties params, Dialect dialect) {
  		ObjectNameNormalizer normalizer = (ObjectNameNormalizer) params.get( PersistentIdentifierGenerator.IDENTIFIER_NORMALIZER );
  		String name = ConfigurationHelper.getString( SEGMENT_COLUMN_PARAM, params, DEF_SEGMENT_COLUMN );
  		return normalizer.toDatabaseIdentifierText( name );
  	}
docs: Determine the name of the column used to indicate the segment for each
  row.  This column acts as the primary key.
  <p>
  Called during {@link #configure configuration}.
  
  @param params The params supplied in the generator config (plus some standard useful extras).
  @param dialect The dialect in effect
  
  @return The name of the segment column
  
  @see #getSegmentColumnName()