Mock blocks with reblog operations

hive/db/sql_scripts/delete_reblog_feed_cache.sql

+
+DROP FUNCTION IF EXISTS delete_reblog_feed_cache(character varying,character varying,character varying)
+;
+
+CREATE OR REPLACE FUNCTION delete_reblog_feed_cache(
+  in _author hive_accounts.name%TYPE,
+  in _permlink hive_permlink_data.permlink%TYPE,
+  in _account hive_accounts.name%TYPE)
+RETURNS INTEGER
+LANGUAGE plpgsql
+AS
+$function$
+DECLARE
+  __account_id INT;
+  __post_id INT;
+BEGIN
+
+  __account_id = find_account_id( _account, False );
+  __post_id = find_comment_id( _author, _permlink, False );
+
+  IF __post_id = 0 THEN
+    RETURN 0;
+  END IF;
+
+  DELETE FROM hive_reblogs
+  WHERE blogger_id = __account_id AND post_id = __post_id;
+
+  DELETE FROM hive_feed_cache
+  WHERE account_id = __account_id AND post_id = __post_id;
+
+  RETURN 1;
+END
+$function$
+;