CDB-3030 Added CDB_UserDomain script

scripts-available/CDB_UserDomain.sql

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+-- Function that setups user's domain, port and http/https inside his own DB.
+-- Used for HTTP table sync functions.
+CREATE OR REPLACE FUNCTION CDB_SetUserDomain(domain text, port int8, secure boolean)
+RETURNS VOID AS
+$$
+DECLARE
+  sql TEXT;
+BEGIN
+  sql := 'CREATE OR REPLACE FUNCTION public._CDB_UserDomain() '
+    || ' RETURNS TABLE (domain text, port int8, secure boolean) '
+    || ' AS $X$ '
+    || ' SELECT ''' || domain || '''::text, ' || port || '::int8, ' || secure || '::boolean '
+    || ' $X$ LANGUAGE sql IMMUTABLE';
+  EXECUTE sql;
+  RETURN;
+END
+$$
+LANGUAGE 'plpgsql' VOLATILE STRICT;

scripts-enabled/210-CDB_UserDomain.sql

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+../scripts-available/CDB_UserDomain.sql