Murat Tuncer

Use PG internal file (relfilenode/page) structure to store cstore data

4

Cstore_fdw stores its meta-data and data files on the file system in its own folder. This has becoming a problem for cstore. If we can start using internal file structure...

This would make sense if a text column contains values from a set of strings. We could cache those strings in a dictionary and store only references. This approach requires...

truncating a partitioned table with cstore_fdw partitions fail

1

That is probably due to us handling truncate command via process utility. Note : Postgres does support truncating foreign tables. So we hook into process utility and modify truncate command...

cstore_fdw should have better support for joins

1

When cstore_fdw table is involved in a join, postgres pulls all data from cstore_fdw table. It makes queries unnecessarily longer. We are getting more requests to make this work. I...

A user reported > Narendra Pradeep > Hi > In alter options command, CStore doesn't validates whether stripe_row_count greater than block_row_count. This causes all other queries to fail other than...

Observed this issue when running regression tests on local machine - citus extension is loaded (shared_preload_libraries) - citus extension is created - cstore_fdw is loaded - cstore_fdw extension is created...

We manually reclaim memory used in read/write operations inside ```CStoreEndRead()``` and ```CStoreEndWrite()```. Using a memory context for read/write state will eliminate this and prevent accidental memory leaks in the future.

we should move cstore meta table and UDFs to its own schema and make the extension non-relocatable.

cstore_fdw does not honour check criteria when inserting new rows

1

This issue come up with following thread. https://groups.google.com/forum/#!topic/cstore-users/gDm56h9_QaA Although, original issue report suggest check criteria is not added, it is in fact added to foreign table description, however insert command...