Features: feat(spanner): support custom field type (#2614) Bugfixes: fix(spanner): call ctx.cancel after stats have been recorded (#2728) fix(spanner): retry session not found for read (#2724) fix(spanner): specify credentials with SPANNER_EMULATOR_HOST (#2701) fix(spanner): update pdml to retry EOS internal error (#2678) Misc: test(spanner): unskip tests for emulator (#2675) spansql/spannertest: spanner/spansql: restructure types and parsing for column options (#2656) spanner/spannertest: return error for Read with no keys (#2655)