Merge pull request #80 from tomeara/extra_props_in_jsonb

extra_props field can use JSONB

README.md

@@ -176,7 +176,8 @@ If it encounters a MongoDB object with fields not listed in the
 collection map, it will discard the extra fields, unless
 `:extra_props` is set in the `:meta` hash. If it is, it will collect
 any missing fields, JSON-encode them in a hash, and store the
-resulting text in `_extra_props` in SQL.
+resulting text in `_extra_props` in SQL. You can set `:extra_props`
+to use `JSON`, `JSONB`, or `TEXT`.
 
 As of PostgreSQL 9.3, you can declare columns as type "JSON" and use
 the [native JSON support][pg-json] to inspect inside of JSON-encoded

lib/mosql/schema.rb

@@ -101,10 +101,13 @@ def create_schema(db, clobber=false)
             primary_key keys
             if meta[:extra_props]
               type =
-                if meta[:extra_props] == "JSON"
-                  "JSON"
+                case meta[:extra_props]
+                when 'JSON'
+                  'JSON'
+                when 'JSONB'
+                  'JSONB'
                 else
-                  "TEXT"
+                  'TEXT'
                 end
               column '_extra_props', type
             end