Configurable macros namespace #1383

Job	Run time
Functional Test (MySQL)	58s
Check	56s
Functional Test (SQLite)	45s
Build (ubuntu-latest)	1m 2s
Build (windows-latest)	1m 51s
Integration Test (macOS-latest)	38s
Build (macOS-13)	1m 19s
Functional Test (PostgreSQL)	57s
Integration Test (macOS-13)	1m 10s
Build (macOS-latest)	53s
Integration Test (ubuntu-latest)	38s
	11m 7s

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