[FILES] ressources for upgrade

devops/postgres/schema.sql

@@ -335,3 +335,16 @@ CREATE OR REPLACE function node_pos(int, int) returns bigint
 
 --drop index node_by_pos;
 --create index node_by_pos on nodes using btree(node_pos(id,typename));
+
+-- Optimization for Ngrams Table View
+create materialized view if  not exists context_node_ngrams_view as
+select context_node_ngrams.context_id, ngrams_id, nodes_contexts.node_id
+from nodes_contexts
+join context_node_ngrams
+on context_node_ngrams.context_id = nodes_contexts.context_id;
+
+create index if not exists context_node_ngrams_context_id_ngrams_id_idx on context_node_ngrams(context_id, ngrams_id);
+create index if not exists context_node_ngrams_view_context_id_idx on context_node_ngrams_view(context_id);
+create index if not exists context_node_ngrams_view_ngrams_id_idx on context_node_ngrams_view(ngrams_id);
+create index if not exists context_node_ngrams_view_node_id_idx on context_node_ngrams_view(node_id);
+create index if not exists node_stories_ngrams_id_idx on node_stories(ngrams_id);

devops/postgres/upgrade/0.0.6.9.9.4.4.sql

+
+
+create materialized view if  not exists context_node_ngrams_view as
+select context_node_ngrams.context_id, ngrams_id, nodes_contexts.node_id
+from nodes_contexts
+join context_node_ngrams
+on context_node_ngrams.context_id = nodes_contexts.context_id;
+
+create index if not exists context_node_ngrams_context_id_ngrams_id_idx on context_node_ngrams(context_id, ngrams_id);
+create index if not exists context_node_ngrams_view_context_id_idx on context_node_ngrams_view(context_id);
+create index if not exists context_node_ngrams_view_ngrams_id_idx on context_node_ngrams_view(ngrams_id);
+create index if not exists context_node_ngrams_view_node_id_idx on context_node_ngrams_view(node_id);
+create index if not exists node_stories_ngrams_id_idx on node_stories(ngrams_id);