Merge pull request #8614 from metabase/query-processor-refactor-part-7

src/metabase/driver/generic_sql/query_processor.clj

src/metabase/mbql/normalize.clj

src/metabase/mbql/schema.clj

src/metabase/query_processor.clj

src/metabase/query_processor/interface.clj

...metabase/query_processor/middleware/annotate_and_sort.clj

src/metabase/query_processor/middleware/binning.clj

src/metabase/query_processor/middleware/expand.clj

...etabase/query_processor/middleware/fetch_source_query.clj

src/metabase/query_processor/middleware/resolve.clj

src/metabase/query_processor/middleware/resolve_fields.clj

src/metabase/query_processor/middleware/source_table.clj

src/metabase/query_processor/store.clj

test/metabase/mbql/normalize_test.clj

test/metabase/query_processor/middleware/binning_test.clj

...se/query_processor/middleware/fetch_source_query_test.clj

test/metabase/query_processor_test/breakout_test.clj