Cheng Zhang created GSOC-267:
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Summary: [ShardingSphere] Support for Search Path Feature
Key: GSOC-267
URL: https://issues.apache.org/jira/browse/GSOC-267
Project: Comdev GSOC
Issue Type: New Feature
Reporter: Cheng Zhang
h2. Apache ShardingSphere
Apache ShardingSphere is positioned as a Database Plus, and aims at building a
standard layer and ecosystem above heterogeneous databases. It focuses on how
to reuse existing databases and their respective upper layer, rather than
creating a new database. The goal is to minimize or eliminate the challenges
caused by underlying databases fragmentation.
{*}Page{*}:
[https://shardingsphere.apache.org|https://shardingsphere.apache.org/]
{*}Github{*}: [https://github.com/apache/shardingsphere]
{*}Discussion{*}: [https://github.com/apache/shardingsphere/discussions/30252]
h3. Background
Apache ShardingSphere is positioned as Database Plus and aims to build a
standard layer and ecosystem on top of heterogeneous databases. Therefore,
ShardingSphere can be used with storage nodes like PostgreSQL. When users use
PostgreSQL, they may have set the priority of query schema in system variables
in advance. For example, when executing the SQL statement: {*}SELECT * FROM
order{*}, if no schema is specified, the logical execution on PostgreSQL is as
follows: scan through schemas in search_path one by one until the order table
is found. On ShardingSphere, the current logic is to always query the public
schema. Therefore, it is planned to support the search_path functionality for
PostgreSQL in ShardingSphere to enhance the user experience.
h3. Task
- Support configuring search_path in ShardingSphere.
- Support matching the corresponding schema through search_path configuration.
- Support propagating the matched schema to the storage node.
- Support dynamically modifying search_path through SQL.
h3. Relevant Skills
1. Proficiency in Java.
2. Familiarity with PostgreSQL databases.
3. Familiarity with ShardingSphere.
h3. Deliverables
Related code + unit tests + E2E tests.
h3. Mentor
duanzhengqi...@apache.org
chengzh...@apache.org
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