Huge fixes for MySQL backend.

resources/sql/db_update_mysql_10_11.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS GmailAccounts (
   id              INTEGER,
   username        TEXT        NOT NULL,

resources/sql/db_update_mysql_11_12.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE Feeds
 MODIFY url VARCHAR(1000);
 -- !

resources/sql/db_update_mysql_12_13.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE TtRssAccounts
 ADD COLUMN update_only_unread INTEGER(1) NOT NULL DEFAULT 0 CHECK (update_only_unread >= 0 AND update_only_unread <= 1);
 -- !

resources/sql/db_update_mysql_13_14.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE OwnCloudAccounts
 ADD COLUMN update_only_unread INTEGER(1) NOT NULL DEFAULT 0 CHECK (update_only_unread >= 0 AND update_only_unread <= 1);
 -- !

resources/sql/db_update_mysql_14_15.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS MessageFilters (
   id                  INTEGER     PRIMARY KEY,
   name                TEXT        NOT NULL CHECK (name != ''),

resources/sql/db_update_mysql_15_16.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS Labels (
   id                  INTEGER     PRIMARY KEY,
   name                TEXT        NOT NULL CHECK (name != ''),

resources/sql/db_update_mysql_16_17.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 SET FOREIGN_KEY_CHECKS = 0;
 -- !
 ALTER TABLE Labels MODIFY id INTEGER AUTO_INCREMENT;

resources/sql/db_update_mysql_2_3.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE Messages
 ADD COLUMN enclosures  TEXT;
 -- !

resources/sql/db_update_mysql_3_4.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE Accounts (
   id              INTEGER     PRIMARY KEY,
   type            TEXT        NOT NULL

resources/sql/db_update_mysql_4_5.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS OwnCloudAccounts (
   id              INTEGER,
   username        TEXT        NOT NULL,

resources/sql/db_update_mysql_5_6.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE Messages
 ADD COLUMN custom_hash  TEXT;
 -- !

resources/sql/db_update_mysql_6_7.sql

@@ -3,18 +3,18 @@ ALTER DATABASE ##
 CHARACTER SET = utf8mb4
 COLLATE = utf8mb4_unicode_ci;
 -- !
-USE ##
+USE ##;
 -- !
-ALTER TABLE messages
+ALTER TABLE Messages
 CONVERT TO CHARACTER SET utf8mb4
 COLLATE utf8mb4_unicode_ci;
 -- !
-ALTER TABLE messages
+ALTER TABLE Messages
 CHANGE title title TEXT
 CHARACTER SET utf8mb4
 COLLATE utf8mb4_unicode_ci;
 -- !
-ALTER TABLE messages
+ALTER TABLE Messages
 CHANGE contents contents TEXT
 CHARACTER SET utf8mb4
 COLLATE utf8mb4_unicode_ci;

resources/sql/db_update_mysql_7_8.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS Labels (
   id              INTEGER     AUTO_INCREMENT PRIMARY KEY,
   account_id      INTEGER     NOT NULL,

resources/sql/db_update_mysql_8_9.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 ALTER TABLE OwnCloudAccounts
 ADD COLUMN msg_limit INTEGER NOT NULL DEFAULT -1 CHECK (msg_limit >= -1);
 -- !

resources/sql/db_update_mysql_9_10.sql

@@ -1,3 +1,5 @@
+USE ##;
+-- !
 CREATE TABLE IF NOT EXISTS InoreaderAccounts (
   id              INTEGER,
   username        TEXT        NOT NULL,

src/librssguard/miscellaneous/databasefactory.cpp

@@ -498,6 +498,8 @@ bool DatabaseFactory::mysqlUpdateDatabaseSchema(const QSqlDatabase& database,
       QSqlQuery query = database.exec(statement.replace(APP_DB_NAME_PLACEHOLDER, db_name));
 
       if (query.lastError().isValid()) {
+        auto xx = query.lastError().text();
+
         qFatal("Query for updating database schema failed: '%s'.", qPrintable(query.lastError().text()));
       }
     }
@@ -772,7 +774,7 @@ QSqlDatabase DatabaseFactory::mysqlInitializeDatabase(const QString& connection_
       query_db.next();
       const QString installed_db_schema = query_db.value(0).toString();
 
-      if (installed_db_schema < APP_DB_SCHEMA_VERSION) {
+      if (installed_db_schema.toInt() < QString(APP_DB_SCHEMA_VERSION).toInt()) {
         if (mysqlUpdateDatabaseSchema(database, installed_db_schema, database_name)) {
           qDebugNN << LOGSEC_DB
                    << "Database schema was updated from '"