automatically create db tables on osmo-hlr invocation
If a database file is missing, osmo-hlr creates it, as is the default sqlite3
API behavior -- before this patch, that db file is created, but lacks useful
tables. Actually also create initial tables in it, as osmo-nitb did.
In effect, the 'vty-test' target in tests/Makefile.am no longer needs to create
a database manually. (The 'ctrl-test' still does, because it also wants to add
subscriber data on top of the bare tables.)
Note: it could be desirable to bail if the desired database file does not
exist. That is however a different semantic from this patch; this is not
changing the fact that a db file is created, this just creates a usable one.
Note: I am about to add osmo-hlr-db-tool to do database migration from
osmo-nitb. For that, it is desirable to bootstrap a usable database, which is
the core reason for this patch.
Don't plainly duplicate hlr.sql to .c, but create db_bootstrap.h as a
BUILT_SOURCE from reading in sql/hlr.sql and mangling via sed to a list of SQL
statement strings. On each db_open(), run this bootstrap sequence.
In sql/hlr.sql, these tweaks are necessary:
* Add 'IF NOT EXISTS' to 'CREATE TABLE', so that the bootstrap sequence can be
run on an already bootstrapped db.
* Drop the final comment at the bottom, which ended up being an empty SQL
statement and causing sqlite3 API errors, seemed to have no purpose anyway.
Note: by composing the statement strings as multiline and including the SQL
comments, sqlite3 actually retains the comments contained in table definitions
and prints them back during 'sqlite3 hlr.db .dump'.
Change-Id: If77dbbfe1af3e66aaec91cb6295b687f37678636
diff --git a/sql/hlr.sql b/sql/hlr.sql
index 5fbc712..696cf1c 100644
--- a/sql/hlr.sql
+++ b/sql/hlr.sql
@@ -1,6 +1,6 @@
--modelled roughly after TS 23.008 version 13.3.0
-CREATE TABLE subscriber (
+CREATE TABLE IF NOT EXISTS subscriber (
id INTEGER PRIMARY KEY,
-- Chapter 2.1.1.1
imsi VARCHAR(15) UNIQUE NOT NULL,
@@ -40,24 +40,24 @@
ms_purged_ps BOOLEAN NOT NULL DEFAULT 0
);
-CREATE TABLE subscriber_apn (
+CREATE TABLE IF NOT EXISTS subscriber_apn (
subscriber_id INTEGER, -- subscriber.id
apn VARCHAR(256) NOT NULL
);
-- Chapter 2.1.3
-CREATE TABLE subscriber_multi_msisdn (
+CREATE TABLE IF NOT EXISTS subscriber_multi_msisdn (
subscriber_id INTEGER, -- subscriber.id
msisdn VARCHAR(15) NOT NULL
);
-CREATE TABLE auc_2g (
+CREATE TABLE IF NOT EXISTS auc_2g (
subscriber_id INTEGER PRIMARY KEY, -- subscriber.id
algo_id_2g INTEGER NOT NULL, -- enum osmo_auth_algo value
ki VARCHAR(32) NOT NULL -- hex string: subscriber's secret key (128bit)
);
-CREATE TABLE auc_3g (
+CREATE TABLE IF NOT EXISTS auc_3g (
subscriber_id INTEGER PRIMARY KEY, -- subscriber.id
algo_id_3g INTEGER NOT NULL, -- enum osmo_auth_algo value
k VARCHAR(32) NOT NULL, -- hex string: subscriber's secret key (128bit)
@@ -68,4 +68,3 @@
);
CREATE UNIQUE INDEX IF NOT EXISTS idx_subscr_imsi ON subscriber (imsi);
--- SELECT algo_id_2g, ki, algo_id_3g, k, op, opc, sqn FROM subscriber LEFT JOIN auc_2g ON auc_2g.subscriber_id = subscriber.id LEFT JOIN auc_3g ON auc_3g.subscriber_id = subscriber.id WHERE imsi = ?