Configurable macros namespace #1381

Job	Run time
Integration Test (ubuntu-latest)	40s
Build (windows-latest)	2m 12s
Integration Test (macOS-latest)	46s
Functional Test (PostgreSQL)	44s
Build (macOS-latest)	38s
Build (macOS-13)	59s
Functional Test (MySQL)	58s
Check	59s
Build (ubuntu-latest)	2m 33s
Functional Test (SQLite)	38s
Integration Test (macOS-13)	56s
	12m 3s

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