mycat 目前有哪些 sql 语句是不支持的吗

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Description

Contributor guide

Research direction

Review the Mycat documentation and source code, especially the SQL parser and supported SQL list. Search for any existing compatibility matrices or known unsupported features in issues and discussions.

Tech stack

java

Domain

database

Issue type

Research

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Half day

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Unclear

Prerequisites

SQL

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

30