From 0f698d562152836d535e5ea3c3528c2fbc53d1c3 Mon Sep 17 00:00:00 2001
From: Paul Trowbridge <paul@hptrow.me>
Date: Thu, 22 Oct 2020 23:08:11 -0400
Subject: [PATCH] include foreign key setup

---
 sql/build_master_tables.sql | 8 ++++++--
 sql/target_info.sql         | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/sql/build_master_tables.sql b/sql/build_master_tables.sql
index 6961ab3..af14deb 100644
--- a/sql/build_master_tables.sql
+++ b/sql/build_master_tables.sql
@@ -9,13 +9,16 @@ BEGIN
     FOR f IN  
         SELECT
             -------------------------------------------create table---------------------------------------------------------------------------------------------------------
-            'DROP TABLE IF EXISTS fc.'||func||'; CREATE TABLE IF NOT EXISTS fc.'||func||' (' || 
+            'DROP TABLE IF EXISTS fc.'||func||' CASCADE; CREATE TABLE IF NOT EXISTS fc.'||func||' (' || 
             string_agg(format('%I',cname) || ' ' || dtype,', ' ORDER BY opos ASC) || 
             ', PRIMARY KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||'));' AS ddl,
             -------------------------------------------populate table-------------------------------------------------------------------------------------------------------
             ---need to add a clause to exclude where the key is null
             'INSERT INTO fc.'||func||' SELECT DISTINCT ' || string_agg(format('%I',cname),', ' ORDER BY opos ASC) || ' FROM '||tname||' WHERE '||
-            string_agg(format('%I',cname)||' IS NOT NULL ',' AND ') FILTER (WHERE fkey = func)||' ON CONFLICT DO NOTHING' AS pop
+            string_agg(format('%I',cname)||' IS NOT NULL ',' AND ') FILTER (WHERE fkey = func)||' ON CONFLICT DO NOTHING' AS pop,
+            -------------------------------------------setup foreign keys---------------------------------------------------------------------------------------------------
+            'ALTER TABLE fc.live ADD CONSTRAINT fk_'||func||' FOREIGN KEY ('||string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||') REFERENCES fc.'||func||' ('||
+            string_agg(format('%I',cname),', ') FILTER (WHERE fkey = func)||')' AS fk
         FROM
             fc.target_meta
         GROUP BY
@@ -26,6 +29,7 @@ BEGIN
     loop 
         EXECUTE format('%s',f.ddl);
         EXECUTE format('%s',f.pop);
+        EXECUTE format('%s',f.fk);
     END LOOP;
 END;
 $$
diff --git a/sql/target_info.sql b/sql/target_info.sql
index ddb0e6a..0c5486b 100644
--- a/sql/target_info.sql
+++ b/sql/target_info.sql
@@ -13,8 +13,8 @@ SELECT
 FROM 
     information_schema.columns 
 WHERE 
-    table_name = 'osm_dev' 
-    AND table_schema = 'rlarp'
+    table_name = 'live' 
+    AND table_schema = 'fc'
 ON CONFLICT ON CONSTRAINT target_meta_pk DO UPDATE SET
     opos = EXCLUDED.opos
     ,dtype = EXCLUDED.dtype;