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Really limit the number of rows that can be joined from parts.

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Fixes #4299
Fixes #4298
// FREEBIE
This commit is contained in:
Moxie Marlinspike 2015-10-24 17:51:17 -07:00
parent a64dba8a7e
commit f714f5b572
2 changed files with 9 additions and 3 deletions
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2
src/org/thoughtcrime/securesms/database/MmsDatabase.java
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@ -309,7 +309,7 @@ public class MmsDatabase extends MessagingDatabase {
private Cursor rawQuery(@NonNull String where, @Nullable String[] arguments) {
SQLiteDatabase database = databaseHelper.getReadableDatabase();
return database.rawQuery("SELECT DISTINCT " + Util.join(MMS_PROJECTION, ",") +
return database.rawQuery("SELECT " + Util.join(MMS_PROJECTION, ",") +
" FROM " + MmsDatabase.TABLE_NAME + " LEFT OUTER JOIN " + AttachmentDatabase.TABLE_NAME +
" ON (" + MmsDatabase.TABLE_NAME + "." + MmsDatabase.ID + " = " + AttachmentDatabase.TABLE_NAME + "." + AttachmentDatabase.MMS_ID + ")" +
" WHERE " + where, arguments);

10
src/org/thoughtcrime/securesms/database/MmsSmsDatabase.java
View File

@ -167,8 +167,15 @@ public class MmsSmsDatabase extends Database {
mmsQueryBuilder.setDistinct(true);
smsQueryBuilder.setDistinct(true);
mmsQueryBuilder.setTables(MmsDatabase.TABLE_NAME + " LEFT OUTER JOIN " + AttachmentDatabase.TABLE_NAME + " ON (" + MmsDatabase.TABLE_NAME + "." + MmsDatabase.ID + " = " + AttachmentDatabase.TABLE_NAME + "." + AttachmentDatabase.MMS_ID + ")");
smsQueryBuilder.setTables(SmsDatabase.TABLE_NAME);
mmsQueryBuilder.setTables(MmsDatabase.TABLE_NAME + " LEFT OUTER JOIN " +
AttachmentDatabase.TABLE_NAME +
" ON " + AttachmentDatabase.TABLE_NAME + "." + AttachmentDatabase.ROW_ID + " = " +
" (SELECT " + AttachmentDatabase.TABLE_NAME + "." + AttachmentDatabase.ROW_ID +
" FROM " + AttachmentDatabase.TABLE_NAME + " WHERE " +
AttachmentDatabase.TABLE_NAME + "." + AttachmentDatabase.MMS_ID + " = " +
MmsDatabase.TABLE_NAME + "." + MmsDatabase.ID + " LIMIT 1)");
Set<String> mmsColumnsPresent = new HashSet<>();
mmsColumnsPresent.add(MmsSmsColumns.ID);
@ -222,7 +229,6 @@ public class MmsSmsDatabase extends Database {
String unionQuery = unionQueryBuilder.buildUnionQuery(new String[] {smsSubQuery, mmsSubQuery}, order, limit);
SQLiteQueryBuilder outerQueryBuilder = new SQLiteQueryBuilder();
outerQueryBuilder.setDistinct(true);
outerQueryBuilder.setTables("(" + unionQuery + ")");
String query = outerQueryBuilder.buildQuery(projection, null, null, null, null, null, null);