WIP

app/misc/transform.sql

@@ -0,0 +1,95 @@
+-- Transforms AKIndices v1 schema to v2 schema
+SELECT t.community_id,
+  d.datatype,
+  d.model,
+  d.modelname,
+  d.scenario,
+  d.resolution,
+  t.year::text,
+  json_build_array(
+    t.january::decimal(3,1),
+    t.february::decimal(3,1),
+    t.march::decimal(3,1),
+    t.april::decimal(3,1),
+    t.may::decimal(3,1),
+    t.june::decimal(3,1),
+    t.july::decimal(3,1),
+    t.august::decimal(3,1),
+    t.september::decimal(3,1),
+    t.october::decimal(3,1),
+    t.november::decimal(3,1),
+    t.december::decimal(3,1))::jsonb AS temps
+INTO TEMP temp01
+FROM temperatures t
+INNER JOIN datasets d ON d.id=t.dataset_id;
+
+--------------------------------------------------------------------------------
+
+SELECT community_id,
+  datatype,
+  model,
+  modelname,
+  scenario,
+  resolution,
+  json_object_agg(year, temps)::jsonb AS data
+INTO TEMP temp02
+FROM temp01
+GROUP BY community_id, datatype, model, modelname, scenario, resolution;
+
+--------------------------------------------------------------------------------
+
+CREATE TEMP SEQUENCE a;
+SELECT nextval('a') AS id,
+  community_id,
+  json_build_object(
+    'datatype', datatype,
+    'model', model,
+    'modelname', modelname,
+    'scenario', scenario,
+    'resolution', resolution)::jsonb as dataset,
+  data
+INTO TEMP temp03
+FROM temp02;
+
+--------------------------------------------------------------------------------
+
+WITH all_json_key_value AS (
+  SELECT id, community_id, t1.key, t1.value
+  FROM temp03, jsonb_each(dataset) AS t1
+  UNION
+  SELECT id, community_id, t1.key, t1.value
+  FROM temp03, jsonb_each(data) AS t1
+)
+SELECT community_id, json_object_agg(key, value) AS data
+INTO TEMP temp04
+GROUP BY id, community_id;
+
+--------------------------------------------------------------------------------
+
+SELECT community_id, json_agg(data)::jsonb AS data
+INTO TEMP temp05
+FROM temp04
+GROUP BY community_id;
+
+--------------------------------------------------------------------------------
+
+SELECT c.name, c.latitude, c.longitude, c.northing, c.easting, t.data
+INTO new_communities
+FROM temp05 t
+INNER JOIN communities c ON c.id=t.community_id;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+select distinct on (doc->'model', doc->'datatype', doc->'scenario') doc->'model', doc->'datatype', doc->'scenario' from new_communities c, jsonb_array_elements(c.data) with ordinality t1(doc, rn);