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+--
+-- contrib/sepgsql/sepgsql.sql
+--
+-- [Step to install]
+--
+-- 1. Run initdb
+-- to set up a new database cluster.
+--
+-- 2. Edit $PGDATA/postgresql.conf
+-- to add 'MODULE_PATHNAME' to shared_preload_libraries.
+--
+-- Example)
+-- shared_preload_libraries = 'MODULE_PATHNAME'
+--
+-- 3. Run this script for each databases
+-- This script installs corresponding functions, and assigns initial
+-- security labels on target database objects.
+-- It can be run both single-user mode and multi-user mode, according
+-- to your preference.
+--
+-- Example)
+-- $ for DBNAME in template0 template1 postgres; \
+-- do \
+-- postgres --single -F -c exit_on_error=true -D $PGDATA $DBNAME \
+-- < /path/to/script/sepgsql.sql > /dev/null \
+-- done
+--
+-- 4. Start postmaster,
+-- if you initialized the database in single-user mode.
+--
+LOAD 'MODULE_PATHNAME';
+CREATE OR REPLACE FUNCTION pg_catalog.sepgsql_getcon() RETURNS text AS 'MODULE_PATHNAME', 'sepgsql_getcon' LANGUAGE C;
+CREATE OR REPLACE FUNCTION pg_catalog.sepgsql_setcon(text) RETURNS bool AS 'MODULE_PATHNAME', 'sepgsql_setcon' LANGUAGE C;
+CREATE OR REPLACE FUNCTION pg_catalog.sepgsql_mcstrans_in(text) RETURNS text AS 'MODULE_PATHNAME', 'sepgsql_mcstrans_in' LANGUAGE C STRICT;
+CREATE OR REPLACE FUNCTION pg_catalog.sepgsql_mcstrans_out(text) RETURNS text AS 'MODULE_PATHNAME', 'sepgsql_mcstrans_out' LANGUAGE C STRICT;
+CREATE OR REPLACE FUNCTION pg_catalog.sepgsql_restorecon(text) RETURNS bool AS 'MODULE_PATHNAME', 'sepgsql_restorecon' LANGUAGE C;
+SELECT sepgsql_restorecon(NULL);