citus

Commit Graph

Author	SHA1	Message	Date
SaitTalhaNisanci	164c00cf08	Fix typo: longer visible -> no longer visible (#3803 )	2020-04-27 16:32:46 +03:00
Hanefi Önaldı	0c5d0cfee9	Notice message to help truncate local data after distribution	2020-04-17 13:21:34 +03:00
Jelte Fennema	7730bd449c	Normalize tests: Remove trailing whitespace	2020-01-06 09:32:03 +01:00
Jelte Fennema	7f3de68b0d	Normalize tests: header separator length	2020-01-06 09:32:03 +01:00
Jelte Fennema	3a042e4611	Allow cartesian products on reference tables	2019-12-27 15:05:51 +01:00
Nils Dijk	217890af5f	Feature: Expression in reference join (#3180 ) DESCRIPTION: Expression in reference join Fixed: #2582 This patch allows arbitrary expressions in the join clause when joining to a reference table. An example of such joins could be found in CHbenCHmark queries 7, 8, 9 and 11; `mod((s_w_id * s_i_id),10000) = su_suppkey` and `ascii(substr(c_state,1,1)) = n2.n_nationkey`. Since the join is on a reference table these queries are able to be pushed down to the workers. To implement these queries we will widen the `IsJoinClause` predicate to not check if the expressions are a type `Var` after stripping the implicit coerciens. Instead we define a join clause when the `Var`'s in a clause come from more than 1 table. This allows more clauses to pass into the logical planner's `MultiNodeTree(...)` planning function. To compensate for this we tighten down the `LocalJoin`, `SinglePartitionJoin` and `DualPartitionJoin` to check for direct column references when planning. This allows the planner to work with arbitrary join expressions on reference tables.	2019-11-18 16:25:46 +01:00

6 Commits (8b8f0161c3ef356db5d7c81c77258e83005c92ad)