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Code Issues Releases Wiki Activity

Added checkpointing (debug version)

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This commit is contained in:
M66B 2021-02-25 14:28:58 +01:00
parent cb70edab35
commit 6ce301426d
2 changed files with 25 additions and 0 deletions
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23
app/src/main/java/eu/faircode/email/DB.java
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@ -29,6 +29,7 @@ import org.json.JSONObject;
import java.io.File;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
@ -1856,6 +1857,28 @@ public abstract class DB extends RoomDatabase {
});
}
public void checkpoint(Context context) {
if (!BuildConfig.DEBUG)
return;
// https://www.sqlite.org/pragma.html#pragma_wal_checkpoint
long start = new Date().getTime();
StringBuilder sb = new StringBuilder();
SupportSQLiteDatabase db = getInstance(context).getOpenHelper().getWritableDatabase();
try (Cursor cursor = db.query("PRAGMA wal_checkpoint(PASSIVE);")) {
if (cursor.moveToNext()) {
for (int i = 0; i < cursor.getColumnCount(); i++) {
if (i > 0)
sb.append(",");
sb.append(cursor.getInt(i));
}
}
}
long elapse = new Date().getTime() - start;
Log.i("PRAGMA wal_checkpoint=" + sb + " elapse=" + elapse);
}
@Override
@SuppressWarnings("deprecation")
public void beginTransaction() {

2
app/src/main/java/eu/faircode/email/WorkerFts.java
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@ -62,6 +62,8 @@ public class WorkerFts extends Worker {
int indexed = 0;
List<Long> ids = new ArrayList<>(INDEX_BATCH_SIZE);
DB db = DB.getInstance(context);
db.checkpoint(context);
SQLiteDatabase sdb = FtsDbHelper.getInstance(context);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
try (Cursor cursor = db.message().getMessageFts()) {