Add more logging to sharding key comparison parsing #386

Job	Run time
go-test (5.7)	2m 11s
go-test (5.7)	2m 17s
build-debs (ubuntu-latest)	31s
build-debs (ubuntu-latest)	31s
go-test (8.0)	2m 7s
go-test (8.0)	2m 7s
gh-285 (5.7)	38s
gh-285 (5.7)	38s
build-debs (shopify-ubuntu-arm64)	49s
build-debs (shopify-ubuntu-arm64)	49s
gh-285 (8.0)	31s
gh-285 (8.0)	31s
ruby-test (5.7)	2m 27s
ruby-test (5.7)	1m 58s
ruby-test (8.0)	2m 29s
ruby-test (8.0)	2m 29s
	23m 3s

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