Improve precision and scale behavior across adapters (#2383) #1493

Job	Run time
Coding Standard & Static Analysis	37s
Windows - PHP 8.1 & SQL Server	3m 35s
testsuite (8.1, sqlite)	29s
testsuite (8.1, pgsql)	45s
testsuite (8.4, pgsql)	49s
testsuite (8.1, mysql)	47s
testsuite (8.2, mysql)	1m 3s
testsuite (8.1, sqlite, prefer-lowest)	32s
testsuite (8.4, mysql)	53s
testsuite (8.4, sqlite)	31s
	10m 1s

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