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Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Backport Requested:

v6.2, v6.0
Steps To Reproduce:
Hide

Set up a sharded cluster with primary nodes at v5.0 a secondary nodes at 6.0.

const mongos = st.s; const ns = "test.foo"; const db = mongos.getDB("test"); const coll = db.getCollection("foo"); st.adminCommand({enablesharding:db.getName(), primaryShard:st.shard1.shardName}); st.adminCommand({shardcollection:ns, key: {skey:1}}); assert.commandWorked(coll.dropIndexes()); assert.commandWorked(coll.createIndex({"a":1})); assert.commandWorked(coll.hideIndex("a_1"));
Show
Set up a sharded cluster with primary nodes at v5.0 a secondary nodes at 6.0. const mongos = st.s; const ns = "test.foo" ; const db = mongos.getDB( "test" ); const coll = db.getCollection( "foo" ); st.adminCommand({enablesharding:db.getName(), primaryShard:st.shard1.shardName}); st.adminCommand({shardcollection:ns, key: {skey:1}}); assert .commandWorked(coll.dropIndexes()); assert .commandWorked(coll.createIndex({ "a" :1})); assert .commandWorked(coll.hideIndex( "a_1" ));
Sprint:
Sharding EMEA 2022-11-28, Sharding EMEA 2022-12-12, Sharding EMEA 2022-12-26
Linked BF Score:
135

Add a case to accept to hide an index if it is not compatible with shard key although we don't have a shard key index.