Columns in "OHFMUCLayerSet"

FieldTypeNullKeyDefaultExtra
 Obj_id  int(11)  NO  PRI    auto_increment 
 FileId  int(11)  YES       
 OID  varchar(255)  YES       
 PartitionID  tinyint(3) unsigned  YES       
 GroupingType  enum('Seg','Layer')  YES       
 SegmentID  tinyint(3) unsigned  YES       
 LayerID  tinyint(3) unsigned  YES       

        
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