[DB] Optim Indexes (DELETE)

devops/postgres/schema.sql

@@ -138,9 +138,9 @@ CREATE TABLE public.rights (
 );
 ALTER TABLE public.rights OWNER TO gargantua;
 
+------------------------------------------------------------
 ------------------------------------------------------------
 -- INDEXES
-
 CREATE INDEX        ON public.auth_user USING btree (username varchar_pattern_ops);
 CREATE UNIQUE INDEX ON public.auth_user USING btree (username);
 
@@ -166,6 +166,10 @@ CREATE        INDEX ON public.node_node_ngrams USING btree (node1_id,  node2_id)
 CREATE        INDEX ON public.node_node_ngrams USING btree (ngrams_id, node2_id);
 
 CREATE INDEX ON public.node_nodengrams_nodengrams USING btree (node_id, node_ngrams1_id, node_ngrams2_id);
+CREATE INDEX ON public.node_nodengrams_nodengrams USING btree (node_ngrams1_id);
+CREATE INDEX ON public.node_nodengrams_nodengrams USING btree (node_ngrams2_id);
+CREATE INDEX ON public.node_node_ngrams2 USING btree (node_id);
+CREATE INDEX ON public.node_node_ngrams2 USING btree (nodengrams_id);
 CREATE INDEX ON public.node_node_ngrams2 USING btree (node_id, nodengrams_id);
 ------------------------------------------------------------------------
 -- Ngrams Full DB Extraction Optim