json_metadata can contain malformed json (yeah it sucks) so we need to hold it as text

hive/db/schema.py

@@ -170,7 +170,7 @@ def build_metadata():
         sa.Column('preview', VARCHAR(1024), nullable=False),
         sa.Column('img_url', VARCHAR(1024), nullable=False),
         sa.Column('body', TEXT),
-        sa.Column('json', sa.JSON)
+        sa.Column('json', TEXT)
     )
 
     sa.Table(

hive/server/bridge_api/objects.py

@@ -239,7 +239,7 @@ def _condenser_post_object(row, truncate_body=0):
 
     post['title'] = row['title']
     post['body'] = row['body'][0:truncate_body] if truncate_body else row['body']
-    post['json_metadata'] = json.loads(row['json'])
+    post['json_metadata'] = row['json']
 
     post['created'] = json_date(row['created_at'])
     post['updated'] = json_date(row['updated_at'])

scripts/update_hivemind_db.sql

@@ -151,7 +151,7 @@ CREATE TABLE IF NOT EXISTS hive_post_data (
   preview VARCHAR(1024) NOT NULL,
   img_url VARCHAR(1024) NOT NULL,
   body TEXT,
-  json JSON
+  json TEXT
 );
 CREATE INDEX IF NOT EXISTS hive_post_data_id_idx ON hive_post_data (id);
 
@@ -221,7 +221,7 @@ UPDATE hive_posts_new hpn SET (
 
 -- Populate table hive_post_data with bulk data from hive_posts_cache
 -- RAISE NOTICE 'Populate table hive_post_data with bulk data from hive_posts_cache';
-INSERT INTO hive_post_data (id, title, preview, img_url, body, votes, json) SELECT post_id, title, preview, img_url, body, json::json FROM hive_posts_cache;
+INSERT INTO hive_post_data (id, title, preview, img_url, body, votes, json) SELECT post_id, title, preview, img_url, body, json FROM hive_posts_cache;
 
 -- Populate hive_votes table
 -- RAISE NOTICE 'Populate table hive_votes with bulk data from hive_posts_cache';