[CALCITE-4533] Incorrect semantics of REPLACE and IF NOT EXISTS keywords in CREATE TABLE/SCHEMA commands

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.26.0
• Fix Version/s: 1.27.0
• Component/s: server
• Labels: pull-request-available
• Assignee: Vladimir Ozerov
• Reporter: Vladimir Ozerov
• Created: 11/Mar/21 17:52
• Updated: 03/Jun/21 22:32
• Resolved: 12/Mar/21 18:14

Description

Presently, the ServerDdlExecutor incorrectly process some keywords:

1. CREATE SCHEMA IF NOT EXISTS overwrites the existing schema
2. CREATE OR REPLACE TABLE doesn't replace the table if the table exists

Issue Links

• links to: GitHub Pull Request #2369