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Open a database for writing, create a table

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Přemysl Eric Janouch 2020-09-22 14:11:10 +02:00
parent 906b45982c
commit b8242ff3c2
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 46 additions and 0 deletions
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wdmtg.vala
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@ -290,6 +290,52 @@ namespace Wdmtg {
set_idle_alarm (ref idle_alarm_inactive, set_idle_alarm (ref idle_alarm_inactive,
X.Sync.TestType.PositiveComparison, idle_timeout); X.Sync.TestType.PositiveComparison, idle_timeout);
var data_path = Path.build_filename (Environment.get_user_data_dir (),
Config.PROJECT_NAME);
DirUtils.create_with_parents (data_path, 0755);
Sqlite.Database db;
var db_path = Path.build_filename (data_path, "db.sqlite");
int rc = Sqlite.Database.open (db_path, out db);
if (rc != Sqlite.OK)
exit_fatal ("%s: %s", db_path, db.errmsg ());
// This shouldn't normally happen but external applications may decide
// to read things out, and mess with us. When that takes too long, we may
// a/ wait for it to finish, b/ start with a whole-database lock or, even
// more simply, c/ crash on the BUSY error.
db.busy_timeout (1000);
string errmsg;
if ((rc = db.exec ("BEGIN", null, out errmsg)) != Sqlite.OK)
exit_fatal ("%s: %s", db_path, errmsg);
Sqlite.Statement stmt;
if ((rc = db.prepare_v2 ("PRAGMA user_version", -1, out stmt, null))
!= Sqlite.OK)
exit_fatal ("%s: %s", db_path, db.errmsg ());
if ((rc = stmt.step ()) != Sqlite.ROW || stmt.data_count () != 1)
exit_fatal ("%s: %s", db_path, "cannot retrieve user version");
var user_version = stmt.column_int (0);
if (user_version == 0) {
if ((rc = db.exec ("""CREATE TABLE events (
id INTEGER PRIMARY KEY AUTOINCREMENT,
timestamp INTEGER,
title TEXT,
idle BOOLEAN
)""", null, out errmsg)) != Sqlite.OK)
exit_fatal ("%s: %s", db_path, errmsg);
if ((rc = db.exec ("PRAGMA user_version = 1", null, out errmsg))
!= Sqlite.OK)
exit_fatal ("%s: %s", db_path, errmsg);
} else if (user_version != 1) {
exit_fatal ("%s: unsupported DB version: %d", db_path, user_version);
}
if ((rc = db.exec ("COMMIT", null, out errmsg)) != Sqlite.OK)
exit_fatal ("%s: %s", db_path, errmsg);
var loop = new MainLoop (); var loop = new MainLoop ();
var channel = new IOChannel.unix_new (dpy.connection_number ()); var channel = new IOChannel.unix_new (dpy.connection_number ());
channel.add_watch (IOCondition.IN, (source, condition) => { channel.add_watch (IOCondition.IN, (source, condition) => {