From 725453ce2be9a48ae5e854abb54c08b515a2f1da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Ignacio=20S=C3=A1nchez=20Lara?=
 <juanignaciosl@gmail.com>
Date: Thu, 13 Aug 2015 20:43:17 +0200
Subject: [PATCH] Configuration table and functions

---
 scripts-available/CDB_Conf.sql | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 scripts-available/CDB_Conf.sql

diff --git a/scripts-available/CDB_Conf.sql b/scripts-available/CDB_Conf.sql
new file mode 100644
index 0000000..440f51f
--- /dev/null
+++ b/scripts-available/CDB_Conf.sql
@@ -0,0 +1,33 @@
+DO LANGUAGE 'plpgsql' $$
+BEGIN
+    CREATE TABLE IF NOT EXISTS CDB_CONF ( PARAM TEXT PRIMARY KEY, VALUE TEXT NOT NULL );
+END
+$$;
+
+CREATE OR REPLACE
+FUNCTION cartodb.CDB_Conf_SetParam(param text, value text)
+    RETURNS void AS $$
+BEGIN
+    PERFORM cartodb.CDB_Conf_RemoveParam(param);
+    EXECUTE 'INSERT INTO CDB_CONF (PARAM, VALUE) VALUES ($1, $2);' USING param, value;
+END
+$$ LANGUAGE PLPGSQL VOLATILE;
+
+CREATE OR REPLACE
+FUNCTION cartodb.CDB_Conf_RemoveParam(param text)
+    RETURNS void AS $$
+BEGIN
+    EXECUTE 'DELETE FROM CDB_CONF WHERE PARAM = $1;' USING param;
+END
+$$ LANGUAGE PLPGSQL VOLATILE;
+
+CREATE OR REPLACE
+FUNCTION cartodb.CDB_Conf_GetParam(param text)
+    RETURNS TEXT AS $$
+DECLARE
+    value TEXT;
+BEGIN
+    EXECUTE 'SELECT VALUE FROM CDB_CONF WHERE PARAM = $1;' INTO value USING param;
+    RETURN value;
+END
+$$ LANGUAGE PLPGSQL STABLE;