Re: Zedstore - compressed in-core columnar storage

2019-11-04 Thread Taylor Vesely
> When a zedstore table is queried using *invalid* ctid, the server > crashes due to assertion failure. See below, > > postgres=# select * from t1 where ctid = '(0, 0)'; > server closed the connection unexpectedly > This probably means the server terminated abnormally > before or while processing

Re: Zedstore - compressed in-core columnar storage

2019-10-30 Thread Taylor Vesely
n, Oct 28, 2019 at 3:22 PM Taylor Vesely wrote: > > When a zedstore table is queried using *invalid* ctid, the server > > crashes due to assertion failure. See below, > > > > postgres=# select * from t2 where ctid = '(0, 0)'; > > server closed the connection unexpect

Re: Zedstore - compressed in-core columnar storage

2019-10-28 Thread Taylor Vesely
> When a zedstore table is queried using *invalid* ctid, the server > crashes due to assertion failure. See below, > > postgres=# select * from t2 where ctid = '(0, 0)'; > server closed the connection unexpectedly > This probably means the server terminated abnormally > before or while processing

Re: Zedstore - compressed in-core columnar storage

2019-09-19 Thread Taylor Vesely
> When doing update operation, for each tuple being modified, > *tuplebuffers_insert()* says that there is no entry for the relation > being modified in the hash table although it was already added when > the first tuple in the table was updated. Why is it so? Currently, when doing an update, it

Re: Memory-Bounded Hash Aggregation

2019-08-28 Thread Taylor Vesely
I started to review this patch yesterday with Melanie Plageman, so we rebased this patch over the current master. The main conflicts were due to a simplehash patch that has been committed separately[1]. I've attached the rebased patch. I was playing with the code, and if one of the table's most