enable arbitrary precision in the internal representation of values #1829

Job	Run time
compile_and_lint	1m 18s
test (postgres, postgres, postgres://root:[email protected]/sqlpage)	1m 46s
test (mssql, mssql, mssql://root:[email protected]/sqlpage)	1m 49s
docker_build (linux/arm/v7)	8m 59s
test (mysql, mysql, mysql://root:[email protected]/sqlpage)	1m 25s
windows_test	5m 16s
test (odbc, postgres, Driver=/usr/lib/x86_64-linux-gnu/odbc/psqlodbcw.so;Server=127.0.0.1;Port=54...	2m 1s
docker_build (linux/arm64)	9m 49s
docker_build (linux/amd64)	8m 57s
docker_push	16s
	41m 36s

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