v.20.12Improvement

Usability Improvement: Enhanced Syntax Error Messages for Misplaced CODEC in CREATE TABLE Queries

Official CH changelog text
Usability improvement: better suggestions in syntax error message when CODEC expression is misplaced in CREATE TABLE query. This fixes #12493. #16768 (alexey-milovidov).
Improved syntax error messages in CREATE TABLE queries when the CODEC expression is misplaced.

Why it matters

This feature enhances usability by providing better, more informative suggestions to users encountering syntax errors related to incorrectly placed CODEC expressions in CREATE TABLE queries. It helps users quickly identify and correct mistakes in their table definitions.

How to use it

Simply write your CREATE TABLE queries as usual. If a CODEC expression is misplaced, ClickHouse will now offer clearer and more helpful syntax error messages guiding you to fix the issue.

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