static byte readExtraFlags(ByteBuffer buffer,int offset,JetFormat format){
  int extFlagsOffset=format.OFFSET_COLUMN_EXT_FLAGS;
  return ((extFlagsOffset >= 0) ? buffer.get(offset + extFlagsOffset) : 0);
}

static byte readExtraFlags ( ByteBuffer buffer , int offset , JetFormat format ) { int extFlagsOffset = format . OFFSET_COLUMN_EXT_FLAGS ; return ( ( extFlagsOffset >= 0 ) ? buffer . get ( offset + extFlagsOffset ) : 0 ) ; }
read the extra flags field for a column definition .
