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Code Issues Releases Wiki Activity

FTS5 remove all diacritics

This commit is contained in:
M66B 2020-02-04 11:51:26 +01:00
parent cf098673b4
commit acb44a6f71
3 changed files with 2140 additions and 3 deletions
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2121
app/schemas/eu.faircode.email.DB/140.json Normal file
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9
app/src/main/java/eu/faircode/email/DB.java
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@ -60,7 +60,7 @@ import io.requery.android.database.sqlite.SQLiteDatabase;
// https://developer.android.com/topic/libraries/architecture/room.html
@Database(
version = 139,
version = 140,
entities = {
EntityIdentity.class,
EntityAccount.class,
@ -1349,6 +1349,13 @@ public abstract class DB extends RoomDatabase {
Log.i("DB migration from version " + startVersion + " to " + endVersion);
db.execSQL("UPDATE `message` SET fts = 0");
}
})
.addMigrations(new Migration(139, 140) {
@Override
public void migrate(@NonNull SupportSQLiteDatabase db) {
Log.i("DB migration from version " + startVersion + " to " + endVersion);
db.execSQL("UPDATE `message` SET fts = 0");
}
});
}

13
app/src/main/java/eu/faircode/email/FtsDbHelper.java
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@ -37,7 +37,7 @@ import io.requery.android.database.sqlite.SQLiteOpenHelper;
public class FtsDbHelper extends SQLiteOpenHelper {
private static FtsDbHelper instance = null;
private static final int DATABASE_VERSION = 2;
private static final int DATABASE_VERSION = 3;
private static final String DATABASE_NAME = "fts.db";
private FtsDbHelper(Context context) {
@ -54,7 +54,16 @@ public class FtsDbHelper extends SQLiteOpenHelper {
public void onCreate(SQLiteDatabase db) {
Log.i("FTS create");
db.execSQL("CREATE VIRTUAL TABLE `message`" +
" USING fts5 (`account` UNINDEXED, `folder` UNINDEXED, `time` UNINDEXED, `address`, `subject`, `keyword`, `text`)");
" USING fts5" +
" (`account` UNINDEXED" +
", `folder` UNINDEXED" +
", `time` UNINDEXED" +
", `address`" +
", `subject`" +
", `keyword`" +
", `text`" +
", tokenize = \"unicode61 remove_diacritics 2\")");
// https://www.sqlite.org/fts5.html#unicode61_tokenizer
}
@Override