Create template.md

Author: alextanhongpin

template.md

@@ -0,0 +1,19 @@
+## Reset template database
+```
+UPDATE pg_database SET datallowconn = TRUE WHERE datname = 'template0';
+\c template0
+UPDATE pg_database SET datistemplate = FALSE WHERE datname = 'template1';
+DROP DATABASE template1;
+CREATE DATABASE template1 WITH TEMPLATE = 'template0';
+\c template1
+UPDATE pg_database SET datistemplate = TRUE WHERE datname = 'template1';
+UPDATE pg_database SET datallowconn = FALSE WHERE datname = 'template0';
+```
+
+
+# the common technique for speeding postgres test
+- disable fsync
+- use transaction and rollback
+- template database (it is faster to drop and recreate database)
+
+They are all outlined here https://www.maragu.dk/blog/speeding-up-postgres-integration-tests-in-go/