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Dispatch by shared memory

4

This PR makes `serializedPlantree` and `serializedQueryDispatchDesc` dispatched by shared memory instead of interconnect, so that they can be sent only once to writer QE, and synced inbetween reader QEs and...

Ray-Eldath

For a parallel join, we may benefit if gather SegmentGeneralWorkers to SingleQE. Gather(SegmentGeneralWorkers) join SingleQE, return join locus: SingleQE. We may win if we are a parallel-aware join, SingleQE is...

avamingli

Use FDW to query multiple servers as shards

4

This commit mainly meets the needs of users to query multiple clusters as external shards. fdw treats each data source as a whole without knowing its internal structure. It keeps...

oppenheimer01

We don't have log of pg_upgrade in our CI artifact because it sits another directory. This commit fix this.

Ray-Eldath

When using Vagrant, compiling and deploying the Cloudberry Database can be done quickly. The code involves internal addresses, but I have replaced them with publicly accessible addresses to ensure that...

Baowen648

Modify the orca optimizer's processing of unionall distribution strategy

4

### Change logs The orca optimizer currently returns the ANY policy for the first child of a unionall-like node, which will result in Gather Motion for the downstream children and...

Light-City

This PR should only be merged after CI pipeline considered stable again. **This PR reverts cloudberrydb/cloudberrydb#258.** --- In current workflow, when newer commit comes, old pipeline won't get canceled, which...

Ray-Eldath

[WIP]Add git hooks for Cloudberry Database development

3

**Don't merge this PR, until it is ready!** --- ### Change logs For better development quality, we customize the Git hooks to remind developers to check their work. We use...

tuhaihe

Feature: Introduce extra tableam hook routinue for catalog to replace direct heap function calls

5

### Change logs CloudBerry does not assume that the catalog use heap. Our approch uses tableam interfaces instead of heap function calls. These heap functions currently widely used within the...

foreyes

[Bug] a table specified with "appendonly=true, orientation=column" appears not as an ao table

1

### Cloudberry Database version ### Expected： ``` create table mpp17761.split_tab5( a int, b int, c char(5), d boolean default true) with (appendonly=true, orientation=column ) distributed randomly partition by list(b) (...

congxuebin