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JNI sqlite

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M66B
2023-12-12 14:22:50 +01:00
parent 4e822c6fe2
commit 9b862c8097
4 changed files with 37 additions and 8 deletions
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21
app/src/main/java/eu/faircode/email/DB.java
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@@ -9,7 +9,6 @@ import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabaseCorruptException;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;
import androidx.annotation.NonNull;
@@ -23,7 +22,6 @@ import androidx.room.RoomDatabase;
import androidx.room.TypeConverter;
import androidx.room.TypeConverters;
import androidx.room.migration.Migration;
import androidx.sqlite.db.SimpleSQLiteQuery;
import androidx.sqlite.db.SupportSQLiteDatabase;
import org.json.JSONArray;
@@ -144,6 +142,19 @@ public abstract class DB extends RoomDatabase {
"compile_options"
));
static {
System.loadLibrary("fairemail");
}
public static native Cursor jni_safe_support_query(
SupportSQLiteDatabase db, String sql, Object[] args);
public static native Cursor jni_safe_sqlite_query(
SQLiteDatabase db, String table, String[] columns,
String selection, String[] selectionArgs,
String groupBy, String having,
String orderBy, String limit);
@Override
public void init(@NonNull DatabaseConfiguration configuration) {
File dbfile = configuration.context.getDatabasePath(DB_NAME);
@@ -483,8 +494,7 @@ public abstract class DB extends RoomDatabase {
if (cache_size != null) {
cache_size = -cache_size; // kibibytes
Log.i("Set PRAGMA cache_size=" + cache_size);
// TODO CASA
try (Cursor cursor = db.query("PRAGMA cache_size=" + cache_size + ";")) {
try (Cursor cursor = jni_safe_support_query(db, "PRAGMA cache_size=" + cache_size + ";", new Object[0])) {
cursor.moveToNext(); // required
}
}
@@ -504,8 +514,7 @@ public abstract class DB extends RoomDatabase {
// https://www.sqlite.org/pragma.html
for (String pragma : DB_PRAGMAS)
if (!"compile_options".equals(pragma) || BuildConfig.DEBUG) {
// TODO CASA
try (Cursor cursor = db.query("PRAGMA " + pragma + ";")) {
try (Cursor cursor = jni_safe_support_query(db, "PRAGMA " + pragma + ";", new Object[0])) {
boolean has = false;
while (cursor.moveToNext()) {
has = true;