init

README.md

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+# Postgres
+- url
+  - Format: `postgres://user@host:port/dbname` or `postgres:///dbname?host=/var/run/postgresql`.
+  - Default: `postgres://nxcaldav@localhost:5432/nxcaldav?sslmode=disable`
+
+# Users
+
+- name: required
+- password: cleartext or bcrypt hash
+- password_cmd: shell command
+
+# SQL
+## delte user
+```sql
+DELETE FROM users WHERE name = 'bob';
+```
+
+## delete calendar
+```sql
+DELETE FROM calendars WHERE name = 'bob_calendar' AND owner_id = (SELECT id FROM users WHERE name = 'bob');
+/* or */
+DELETE FROM calendars WHERE path = '/bob/calendars/bob_calendar/';
+```