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Code Issues Releases Wiki Activity

Set default journal size limit

This commit is contained in:
M66B 2022-09-25 08:20:46 +02:00
parent 3bc22dc90b
commit 148d53ba63
1 changed files with 10 additions and 4 deletions
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14
app/src/main/java/eu/faircode/email/DB.java
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@ -127,6 +127,7 @@ public abstract class DB extends RoomDatabase {
static final String DB_NAME = "fairemail";
static final int DEFAULT_QUERY_THREADS = 4; // AndroidX default thread count: 4
static final int DEFAULT_CACHE_SIZE = 10; // percentage of memory class
private static final int DB_JOURNAL_SIZE_LIMIT = 1048576; // requery/sqlite-android default
private static final int DB_CHECKPOINT = 1000; // requery/sqlite-android default
private static final String[] DB_TABLES = new String[]{
@ -437,16 +438,21 @@ public abstract class DB extends RoomDatabase {
// https://android.googlesource.com/platform/external/sqlite.git/+/6ab557bdc070f11db30ede0696888efd19800475%5E!/
boolean sqlite_auto_vacuum = prefs.getBoolean("sqlite_auto_vacuum", false);
String mode = (sqlite_auto_vacuum ? "FULL" : "INCREMENTAL");
Log.i("Set PRAGMA auto_vacuum = " + mode);
try (Cursor cursor = db.query("PRAGMA auto_vacuum = " + mode + ";", null)) {
Log.i("Set PRAGMA auto_vacuum=" + mode);
try (Cursor cursor = db.query("PRAGMA auto_vacuum=" + mode + ";", null)) {
cursor.moveToNext(); // required
}
// https://sqlite.org/pragma.html#pragma_synchronous
boolean sqlite_sync_extra = prefs.getBoolean("sqlite_sync_extra", true);
String sync = (sqlite_sync_extra ? "EXTRA" : "NORMAL");
Log.i("Set PRAGMA synchronous = " + sync);
try (Cursor cursor = db.query("PRAGMA synchronous = " + sync + ";", null)) {
Log.i("Set PRAGMA synchronous=" + sync);
try (Cursor cursor = db.query("PRAGMA synchronous=" + sync + ";", null)) {
cursor.moveToNext(); // required
}
Log.i("Set PRAGMA journal_size_limit=" + DB_JOURNAL_SIZE_LIMIT);
try (Cursor cursor = db.query("PRAGMA journal_size_limit=" + DB_JOURNAL_SIZE_LIMIT + ";", null)) {
cursor.moveToNext(); // required
}