save

resources/sql/db_init_sqlite.sql

@@ -6,7 +6,7 @@ CREATE TABLE Information (
 INSERT INTO Information VALUES ('schema_version', '1');
 -- !
 CREATE TABLE Accounts (
-  id              INTEGER     PRIMARY KEY,
+  id              $$,
   type            TEXT        NOT NULL CHECK (type != ''), /* ID of the account type. Each account defines its own, for example 'ttrss'. */
   proxy_type      INTEGER     NOT NULL DEFAULT 0 CHECK (proxy_type >= 0),
   proxy_host      TEXT,
@@ -18,7 +18,7 @@ CREATE TABLE Accounts (
 );
 -- !
 CREATE TABLE Categories (
-  id              INTEGER     PRIMARY KEY,
+  id              $$,
   parent_id       INTEGER     NOT NULL CHECK (parent_id >= -1), /* Root categories contain -1 here. */
   title           TEXT        NOT NULL CHECK (title != ''),
   description     TEXT,
@@ -31,7 +31,7 @@ CREATE TABLE Categories (
 );
 -- !
 CREATE TABLE Feeds (
-  id              INTEGER     PRIMARY KEY,
+  id              $$,
   title           TEXT        NOT NULL CHECK (title != ''),
   description     TEXT,
   date_created    INTEGER,
@@ -49,7 +49,7 @@ CREATE TABLE Feeds (
 );
 -- !
 CREATE TABLE Messages (
-  id              INTEGER     PRIMARY KEY,
+  id              $$,
   is_read         INTEGER(1)  NOT NULL DEFAULT 0 CHECK (is_read >= 0 AND is_read <= 1),
   is_important    INTEGER(1)  NOT NULL DEFAULT 0 CHECK (is_important >= 0 AND is_important <= 1),
   is_deleted      INTEGER(1)  NOT NULL DEFAULT 0 CHECK (is_deleted >= 0 AND is_deleted <= 1),
@@ -70,7 +70,7 @@ CREATE TABLE Messages (
 );
 -- !
 CREATE TABLE MessageFilters (
-  id                  INTEGER     PRIMARY KEY,
+  id                  $$,
   name                TEXT        NOT NULL CHECK (name != ''),
   script              TEXT        NOT NULL CHECK (script != '')
 );
@@ -85,7 +85,7 @@ CREATE TABLE MessageFiltersInFeeds (
 );
 -- !
 CREATE TABLE Labels (
-  id                  INTEGER     PRIMARY KEY,
+  id                  $$,
   name                TEXT        NOT NULL CHECK (name != ''),
   color               VARCHAR(7),
   custom_id           TEXT,

src/librssguard/database/databasedriver.cpp

@@ -47,5 +47,6 @@ QStringList DatabaseDriver::prepareScript(const QString& base_sql_folder,
   }
 
   statements.replaceInStrings(APP_DB_NAME_PLACEHOLDER, database_name);
+  statements.replaceInStrings(APP_DB_AUTO_INC_PRIM_KEY_PLACEHOLDER, autoIncrementPrimaryKey());
   return statements;
 }

src/librssguard/database/databasedriver.h

@@ -31,6 +31,7 @@ class DatabaseDriver : public QObject {
     virtual QString humanDriverType() const = 0;
     virtual QString qtDriverCode() const = 0;
     virtual DriverType driverType() const = 0;
+    virtual QString autoIncrementPrimaryKey() const = 0;
     virtual bool vacuumDatabase() = 0;
     virtual bool saveDatabase() = 0;
     virtual void backupDatabase(const QString& backup_folder, const QString& backup_name) = 0;

src/librssguard/database/mariadbdriver.cpp

@@ -296,3 +296,7 @@ QSqlDatabase MariaDbDriver::connection(const QString& connection_name, DatabaseD
     return database;
   }
 }
+
+QString MariaDbDriver::autoIncrementPrimaryKey() const {
+  return QSL("INTEGER AUTO_INCREMENT PRIMARY KEY");
+}

src/librssguard/database/mariadbdriver.h

@@ -33,6 +33,7 @@ class MariaDbDriver : public DatabaseDriver {
     virtual qint64 databaseDataSize();
     virtual QSqlDatabase connection(const QString& connection_name,
                                     DatabaseDriver::DesiredStorageType desired_type = DatabaseDriver::DesiredStorageType::FromSettings);
+    virtual QString autoIncrementPrimaryKey() const;
 
     QString interpretErrorCode(MariaDbError error_code) const;
 

src/librssguard/database/sqlitedriver.cpp

@@ -490,3 +490,7 @@ void SqliteDriver::backupDatabase(const QString& backup_folder, const QString& b
     throw ApplicationException(tr("Database file not copied to output directory successfully."));
   }
 }
+
+QString SqliteDriver::autoIncrementPrimaryKey() const {
+  return QSL("INTEGER PRIMARY KEY");
+}

src/librssguard/database/sqlitedriver.h

@@ -20,6 +20,7 @@ class SqliteDriver : public DatabaseDriver {
     virtual QString humanDriverType() const;
     virtual QString qtDriverCode() const;
     virtual void backupDatabase(const QString& backup_folder, const QString& backup_name);
+    virtual QString autoIncrementPrimaryKey() const;
 
   private:
     QSqlDatabase initializeInMemoryDatabase();

src/librssguard/definitions/definitions.h

@@ -157,6 +157,7 @@
 #define APP_DB_COMMENT_SPLIT                  "-- !\n"
 #define APP_DB_INCLUDE_PLACEHOLDER            "!!"
 #define APP_DB_NAME_PLACEHOLDER               "##"
+#define APP_DB_AUTO_INC_PRIM_KEY_PLACEHOLDER  "$$"
 
 #define APP_CFG_PATH        "config"
 #define APP_CFG_FILE        "config.ini"