Merge pull request #538 from metabase/mongo_subfield_support

.dir-locals.el

project.clj

resources/migrations/007_add_field_parent_id.json

resources/migrations/liquibase.json

src/metabase/api/meta/field.clj

src/metabase/db.clj

src/metabase/db/internal.clj

src/metabase/driver.clj

src/metabase/driver/generic_sql.clj

src/metabase/driver/generic_sql/native.clj

src/metabase/driver/generic_sql/query_processor.clj

src/metabase/driver/interface.clj

src/metabase/driver/mongo.clj

src/metabase/driver/mongo/query_processor.clj

src/metabase/driver/mongo/util.clj

src/metabase/driver/query_processor.clj

src/metabase/driver/query_processor/expand.clj

src/metabase/driver/sync.clj

src/metabase/models/field.clj

src/metabase/models/field_values.clj