[MIGRATION] gargantext-upgrade can be used.

devops/postgres/empty

+#!/bin/bash
+
+# sudo su postgres
+
+# postgresql://$USER:$PW@localhost/$DB
+
+PW="C8kdcUrAQy66U"
+DB="gargandb1"
+USER="gargantua"
+
+#psql -c "CREATE USER \"${USER}\""
+#psql -c "ALTER USER \"${USER}\" with PASSWORD '${PW}'"
+
+psql -c "DROP DATABASE IF EXISTS \"${DB}\""
+createdb "${DB}"
+psql -c "ALTER DATABASE \"${DB}\" OWNER to \"${USER}\""
+
+
+
+
+

devops/postgres/upgrade/0.0.5/nodes2contexts.sql

+-- to delete
+-- DELETE FROM contexts;
+
+-- WITH docs (id,hash_id,typename,user_id,parent_id,name,date,hyperdata, search)
+WITH docs AS (SELECT * from nodes  WHERE nodes.typename IN (4,41)),
+
+inserted (id, hash_id) AS (
+  INSERT INTO contexts (hash_id,typename,user_id,parent_id,name,date,hyperdata, search)
+    SELECT d.hash_id,d.typename,d.user_id,NULL,d.name,d.date,d.hyperdata,search FROM docs AS d
+    RETURNING contexts.id, contexts.hash_id
+ ),
+
+indexed (node_id, context_id) AS (
+  SELECT docs.id, inserted.id from inserted
+  JOIN docs on docs.hash_id = inserted.hash_id
+),
+
+-- nodes_nodes -> nodes_contexts
+nodes_contexts_query AS (
+INSERT INTO nodes_contexts (node_id, context_id,score, category)
+SELECT nn.node1_id,i.context_id,nn.score,nn.category FROM nodes_nodes nn
+JOIN indexed i ON i.node_id = nn.node2_id
+),
+
+-- nodes_nodes_ngrams -> contexts_nodes_ngrams
+contexts_nodes_ngrams_query AS (
+INSERT INTO context_node_ngrams
+SELECT i.context_id, nnn.node1_id, nnn.ngrams_id, nnn.ngrams_type, nnn.weight FROM node_node_ngrams nnn
+JOIN indexed i ON i.node_id = nnn.node2_id
+),
+
+---- nodes_nodes_ngrams2 -> contexts_nodes_ngrams2
+context_node_ngrams2_query AS (
+INSERT INTO context_node_ngrams2
+SELECT i.context_id, nnn2.nodengrams_id, nnn2.weight FROM node_node_ngrams2 nnn2
+JOIN indexed i ON i.node_id = nnn2.node_id
+)
+
+-- WITH CASCADE it should update others tables
+DELETE FROM nodes n
+USING indexed i WHERE i.node_id = n.id
+;
+
+UPDATE contexts SET parent_id = id;
+
+