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creat fts table

This commit is contained in:
Daniel Gultsch 2018-04-30 16:06:27 +02:00
parent b5c60ee779
commit 542a06f08a
1 changed files with 16 additions and 2 deletions
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18
src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
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@ -60,7 +60,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
private static DatabaseBackend instance = null;
private static final String DATABASE_NAME = "history";
private static final int DATABASE_VERSION = 40;
private static final int DATABASE_VERSION = 41;
private static String CREATE_CONTATCS_STATEMENT = "create table "
+ Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, "
@ -163,6 +163,12 @@ public class DatabaseBackend extends SQLiteOpenHelper {
private static String CREATE_MESSAGE_TIME_INDEX = "create INDEX message_time_index ON "+Message.TABLENAME+"("+Message.TIME_SENT+")";
private static String CREATE_MESSAGE_CONVERSATION_INDEX = "create INDEX message_conversation_index ON "+Message.TABLENAME+"("+Message.CONVERSATION+")";
private static String CREATE_MESSAGE_INDEX_TABLE = "CREATE VIRTUAL TABLE messages_index USING FTS4(uuid, body)";
private static String CREATE_MESSAGE_INSERT_TRIGGER = "CREATE TRIGGER after_message_insert AFTER INSERT ON "+Message.TABLENAME+ " BEGIN INSERT INTO messages_index (uuid,body) VALUES (new.uuid,new.body); END;";
private static String CREATE_MESSAGE_UPDATE_TRIGGER = "CREATE TRIGGER after_message_update UPDATE of uuid,body ON "+Message.TABLENAME+" BEGIN update messages_index set body=new.body,uuid=new.uuid WHERE uuid=old.uuid; END;";
private static String CREATE_MESSAGE_DELETE_TRIGGER = "CREATE TRIGGER after_message_delete AFTER DELETE ON "+Message.TABLENAME+ " BEGIN DELETE from messages_index where uuid=old.uuid; END;";
private static String COPY_PREEXISTING_ENTRIES = "INSERT into messages_index(uuid,body) select uuid,body FROM "+Message.TABLENAME+";";
private DatabaseBackend(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@ -478,6 +484,14 @@ public class DatabaseBackend extends SQLiteOpenHelper {
if (oldVersion < 39 && newVersion >= 39) {
db.execSQL(CREATE_RESOLVER_RESULTS_TABLE);
}
if (oldVersion < 41 && newVersion >= 41) {
db.execSQL(CREATE_MESSAGE_INDEX_TABLE);
db.execSQL(CREATE_MESSAGE_INSERT_TRIGGER);
db.execSQL(CREATE_MESSAGE_UPDATE_TRIGGER);
db.execSQL(CREATE_MESSAGE_DELETE_TRIGGER);
db.execSQL(COPY_PREEXISTING_ENTRIES);
}
}
private static ContentValues createFingerprintStatusContentValues(FingerprintStatus.Trust trust, boolean active) {
@ -706,7 +720,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
public Cursor getMessageSearchCursor(String term) {
SQLiteDatabase db = this.getReadableDatabase();
String SQL = "SELECT "+Message.TABLENAME+".*,"+Conversation.TABLENAME+'.'+Conversation.CONTACTJID+','+Conversation.TABLENAME+'.'+Conversation.ACCOUNT+','+Conversation.TABLENAME+'.'+Conversation.MODE+" FROM "+Message.TABLENAME +" join "+Conversation.TABLENAME+" on "+Message.TABLENAME+'.'+Message.CONVERSATION+'='+Conversation.TABLENAME+'.'+Conversation.UUID+" where "+Message.ENCRYPTION+" NOT IN("+Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE+','+Message.ENCRYPTION_PGP+','+Message.ENCRYPTION_DECRYPTION_FAILED+") AND "+Message.BODY +" LIKE ? ORDER BY "+Message.TIME_SENT+" DESC limit "+Config.MAX_SEARCH_RESULTS;
String SQL = "SELECT "+Message.TABLENAME+".*,"+Conversation.TABLENAME+'.'+Conversation.CONTACTJID+','+Conversation.TABLENAME+'.'+Conversation.ACCOUNT+','+Conversation.TABLENAME+'.'+Conversation.MODE+" FROM "+Message.TABLENAME +" join "+Conversation.TABLENAME+" on "+Message.TABLENAME+'.'+Message.CONVERSATION+'='+Conversation.TABLENAME+'.'+Conversation.UUID+" join messages_index ON messages_index.uuid=messages.uuid where "+Message.ENCRYPTION+" NOT IN("+Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE+','+Message.ENCRYPTION_PGP+','+Message.ENCRYPTION_DECRYPTION_FAILED+") AND messages_index.body MATCH ? ORDER BY "+Message.TIME_SENT+" DESC limit "+Config.MAX_SEARCH_RESULTS;
return db.rawQuery(SQL,new String[]{'%'+term+'%'});
}