From 70b518e839ce215db0cc70e57aaca3e4dd8aaf3e Mon Sep 17 00:00:00 2001
From: Martin Rotter <rotter@praktik.cz>
Date: Tue, 18 Jan 2022 11:28:38 +0100
Subject: [PATCH] try to fix mariadb encoding problem

---
 src/librssguard/database/mariadbdriver.cpp | 11 +++++++++++
 src/librssguard/database/mariadbdriver.h   |  4 +++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/librssguard/database/mariadbdriver.cpp b/src/librssguard/database/mariadbdriver.cpp
index 77ee7fae1..777847ec1 100644
--- a/src/librssguard/database/mariadbdriver.cpp
+++ b/src/librssguard/database/mariadbdriver.cpp
@@ -162,6 +162,7 @@ QSqlDatabase MariaDbDriver::initializeDatabase(const QString& connection_name) {
     QSqlQuery query_db(database);
 
     query_db.setForwardOnly(true);
+    setPragmas(query_db);
 
     if (!query_db.exec(QSL("USE %1").arg(database_name)) ||
         !query_db.exec(QSL("SELECT inf_value FROM Information WHERE inf_key = 'schema_version'"))) {
@@ -214,6 +215,11 @@ QSqlDatabase MariaDbDriver::initializeDatabase(const QString& connection_name) {
   return database;
 }
 
+void MariaDbDriver::setPragmas(QSqlQuery& query) {
+  query.exec(QSL("SET NAMES 'utf8mb4';"));
+  query.exec(QSL("SET CHARACTER SET utf8mb4;"));
+}
+
 bool MariaDbDriver::updateDatabaseSchema(QSqlQuery& query,
                                          const QString& source_db_schema_version,
                                          const QString& database_name) {
@@ -295,6 +301,11 @@ QSqlDatabase MariaDbDriver::connection(const QString& connection_name, DatabaseD
                << "seems to be established.";
     }
 
+    QSqlQuery query_db(database);
+
+    query_db.setForwardOnly(true);
+    setPragmas(query_db);
+
     return database;
   }
 }
diff --git a/src/librssguard/database/mariadbdriver.h b/src/librssguard/database/mariadbdriver.h
index 86d55a057..102eec74b 100644
--- a/src/librssguard/database/mariadbdriver.h
+++ b/src/librssguard/database/mariadbdriver.h
@@ -42,11 +42,13 @@ class MariaDbDriver : public DatabaseDriver {
     QString interpretErrorCode(MariaDbError error_code) const;
 
   private:
-    bool updateDatabaseSchema(QSqlQuery &query,
+    bool updateDatabaseSchema(QSqlQuery& query,
                               const QString& source_db_schema_version,
                               const QString& database_name);
     QSqlDatabase initializeDatabase(const QString& connection_name);
 
+    void setPragmas(QSqlQuery& query);
+
   private:
     bool m_databaseInitialized;
 };