add table responses; + (work in progress) JSON table

pgsql/msgstore/tcreate.sql

@@ -12,8 +12,20 @@ CREATE TABLE messages (
     tstamp timestamptz default current_timestamp
 );
 
+CREATE TABLE responses (
+    id bigserial NOT NULL primary key,
+    domain text,
+    action text,
+    class text,
+    item text,
+    payload jsonb,
+    tstamp timestamptz default current_timestamp
+);
+
 -- indexes
 
 CREATE INDEX idx_msg ON messages USING btree (domain, action, class, item);
 CREATE INDEX idx_msg_item ON messages USING btree (domain, class, item);
-CREATE INDEX idx_msg_action ON messages USING btree (action);
+--CREATE INDEX idx_msg_action ON messages USING btree (action); -- obsolete
+
+CREATE INDEX idx_resp_item ON responses USING btree (domain, class, item);

pgsql/msgstore/ttmp-json.sql

@@ -0,0 +1,6 @@
+-- temporary table for loading JSON data
+
+CREATE TABLE tmp_json (
+    id bigserial NOT NULL primary key,
+    data jsonb
+);