Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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None
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None
Description
When _changes feed got filtered by a view in a design doc with option "seq_indexed" set to true, it is following "fast_view" track in couch_changes:handle_changes/4, which passes the changes enumerator into view's btree instead of database btree and then filters the result by raw docs instead of #doc_info record in fast_view_filter/3. None of this is accounted in fabric's rpc and as a result attempt to filter _changes by a view with "seq_indexed" enabld lead there to following crash:
15:19:49.066 - {"error":"error","reason":"{function_clause,nil,\n [{couch_changes,filter,\n [{db,<28273.395.0>,nil,<<\"1466446662476024\">>,<28273.373.0>,\n #Ref<28273.0.4.5121>,\n {db_header,6,12,0,\n {49987,{12,0,{size_info,2995,3439}},993},\n {50613,12,976},\n {422550,[],1061},\n
...skip...
[{file,\"src/couch_changes.erl\"},{line,261}]},\n {fabric_rpc,changes_enumerator,2,\n [{file,\"src/fabric_rpc.erl\"},{line,326}]},\n {couch_btree,stream_kv_node2,8,[{file,\"src/couch_btree.erl\"},{line,783}]},\n {couch_btree,stream_kp_node,8,[{file,\"src/couch_btree.erl\"},{line,754}]},\n {couch_btree,fold,4,[{file,\"src/couch_btree.erl\"},{line,220}]},\n {couch_db,changes_since,5,[{file,\"src/couch_db.erl\"},{line,1244}]},\n {fabric_rpc,changes,4,[{file,\"src/fabric_rpc.erl\"},{line,82}]},\n {rexi_server,init_p,3,[{file,\"src/rexi_server.erl\"},{line,139}]}]}"}
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