cloudberry
cloudberry copied to clipboard
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
Dynamic Table is a an auto-refreshing materialized view which could be constructed by base tables, external tables, materialized views and dynamic tables. And it could be used to answer query...
For query which has Aggregation but without Group by clause, the DISTINCT/DISTINCT ON/ORDER BY clause could be removed as there would be one row returned at most. And there is...
Fixes #ISSUE_Number ### What does this PR do? This PR includes four commits, which are used to rename the old project name to "Apache Cloudberry" and update the contact information....
``` tag.c: In function ‘AddTagDescriptions’: tag.c:507:20: error: ‘value_cell’ may be used uninitialized [-Werror=maybe-uninitialized] 507 | if (value_cell || isnull) | ^ tag.c:473:34: note: ‘value_cell’ was declared here 473 | ListCell...
Cherry pick https://github.com/yezzey-gp/ygp/commit/1d4123048fbf5482c636eb193876d517edaaae81 ### Change logs Add "Rows out" print in cdbexplain_showExecStats ``` create table tt (a int, b int) with(parallel_workers=2) distributed by (a); insert into tt select * from...
+----------+ AttrFilter +------+ ScanKey +------------+ | HashJoin | ------------> | Hash | ---------> | SeqScan/AM | +----------+ +------+ +------------+ If "gp_enable_runtime_filter_pushdown" is on, three steps will be run: Step 1....
### Cloudberry Database version _No response_ ### What happened According to @yjhnupt 's catch: https://github.com/apache/cloudberry/pull/720#discussion_r1851410975 ### What you think should happen instead mvname without shcema may be condused, add the...
Cherry-pick ORCA commits from GreenPlum
Fixes #ISSUE_Number ### What does this PR do? Correct the format of the Apache Security email address in markdown, allowing community members to click it directly to send an email....
Here I chery-picked Jul 30, 2022 [Fix qp_with_clause testcase without asserts (#13878)](https://github.com/open-gpdb/gpdb/commit/fad65d796f7d2b7c17884d67ed7b79b216f11a71) Oct 4, 2022 [[ORCA] Avoid pushdown of predicate with set-returning function (#14201)](https://github.com/open-gpdb/gpdb/commit/42a0b6d2644672fbb542e8eb6c783889c71d67b0) fix #669 --- ### Change logs...