 
 alter table caom2.Artifact
     add column contentRelease timestamp,
-    add column contentReadGroups text;
+    add column contentReadGroups text,
+    add column metaProducer varchar(128);
+
+alter table caom2.Part
+    add column metaProducer varchar(128);
 
 alter table caom2.Chunk
     add column customAxis integer,

    add column custom_axis_function_naxis bigint,
    add column custom_axis_function_refCoord_pix double precision,
    add column custom_axis_function_refCoord_val double precision,
    add column custom_axis_function_delta double precision;

drop index Plane_i_emBand_dataProductType;



alter table caom2.Observation 
    add column target_id   varchar(128),
    add column metaProducer varchar(128);

drop index i_composite2simple;
drop index i_simple2composite;
