unique constraints added into sql

diff --git a/src/sql/sqlengine.cpp b/src/sql/sqlengine.cpp
index 476e8120fe723f4ee59383759b85bafcd80401f7..faed16744752d5f846f8c91f3f432f9c86ba7a50 100644 (file)
--- a/src/sql/sqlengine.cpp
+++ b/src/sql/sqlengine.cpp
@@ -230,73 +230,76 @@ bool SqlEngine::createTables(QSqlDatabase &aDatabase)
     {
         QSqlQuery query(aDatabase);
 
-        query.exec("CREATE TABLE CONFERENCE ( \
-            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL , \
-            title VARCHAR UNIQUE NOT NULL , \
-            subtitle VARCHAR, \
-            venue VARCHAR, \
-            city VARCHAR NOT NULL , \
-            start INTEGER NOT NULL , \
-            end INTEGER NOT NULL , \
-            days INTEGER, \
-            day_change INTEGER, \
-            timeslot_duration INTEGER)");
-
-        query.exec("CREATE TABLE TRACK ( \
-            id INTEGER  PRIMARY KEY AUTOINCREMENT  NOT NULL , \
-            name VARCHAR UNIQUE NOT NULL )");
-
-        query.exec("CREATE TABLE ROOM ( \
-            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL , \
-            name VARCHAR UNIQUE NOT NULL , \
-            picture VARCHAR NOT NULL)");
-
-        query.exec("CREATE TABLE PERSON ( \
-            id INTEGER PRIMARY KEY  NOT NULL , \
-            name VARCHAR UNIQUE NOT NULL)");
-
-        query.exec("CREATE TABLE EVENT ( \
-            xid_conference INTEGER  NOT NULL, \
-            id INTEGER NOT NULL , \
-            start INTEGER NOT NULL , \
-            duration INTEGER NOT NULL , \
-            xid_track INTEGER NOT NULL REFERENCES TRACK(id), \
-            type VARCHAR, \
-            language VARCHAR, \
-            tag VARCHAR,title VARCHAR NOT NULL , \
-            subtitle VARCHAR, \
-            abstract VARCHAR, \
-            description VARCHAR, \
-            favourite INTEGER DEFAULT 0, \
-            alarm INTEGER DEFAULT 0, \
-            PRIMARY KEY (xid_conference,id), \
-            FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), \
-            FOREIGN KEY(xid_track) REFERENCES TRACK(id))");
-
-        query.exec("CREATE TABLE EVENT_PERSON ( \
-            xid_conference INTEGER NOT NULL , \
-            xid_event INTEGER NOT NULL , \
-            xid_person INTEGER NOT NULL, \
-            FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), \
-            FOREIGN KEY(xid_event) REFERENCES EVENT(id), \
-            FOREIGN KEY(xid_person) REFERENCES PERSON(id))");
-
-        query.exec("CREATE TABLE EVENT_ROOM ( \
-            xid_conference INTEGER NOT NULL , \
-            xid_event INTEGER NOT NULL , \
-            xid_room INTEGER NOT NULL, \
-            FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), \
-            FOREIGN KEY(xid_event) REFERENCES EVENT(id), \
-            FOREIGN KEY(xid_room) REFERENCES ROOM(id))");
-
-        query.exec("CREATE TABLE LINK ( \
-            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL, \
-            xid_conference INTEGER NOT NULL, \
-            xid_event INTEGER NOT NULL, \
-            name VARCHAR, \
-            url VARCHAR NOT NULL, \
-            FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), \
-            FOREIGN KEY(xid_event) REFERENCES EVENT(id)");
+        query.exec("CREATE TABLE CONFERENCE ( "
+            "id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL, "
+            "title VARCHAR UNIQUE NOT NULL, "
+            "subtitle VARCHAR, "
+            "venue VARCHAR, "
+            "city VARCHAR NOT NULL, "
+            "start INTEGER NOT NULL, "
+            "end INTEGER NOT NULL, "
+            "days INTEGER, "
+            "day_change INTEGER, "
+            "timeslot_duration INTEGER);");
+
+        query.exec("CREATE TABLE TRACK ( "
+            "id INTEGER  PRIMARY KEY AUTOINCREMENT  NOT NULL, "
+            "name VARCHAR UNIQUE NOT NULL );");
+
+        query.exec("CREATE TABLE ROOM ( "
+            "id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL, "
+            "name VARCHAR UNIQUE NOT NULL, "
+            "picture VARCHAR NOT NULL);");
+
+        query.exec("CREATE TABLE PERSON ( "
+            "id INTEGER PRIMARY KEY  NOT NULL, "
+            "name VARCHAR UNIQUE NOT NULL);");
+
+        query.exec("CREATE TABLE EVENT ( "
+            "xid_conference INTEGER  NOT NULL, "
+            "id INTEGER NOT NULL, "
+            "start INTEGER NOT NULL, "
+            "duration INTEGER NOT NULL, "
+            "xid_track INTEGER NOT NULL REFERENCES TRACK(id), "
+            "type VARCHAR, "
+            "language VARCHAR, "
+            "tag VARCHAR,title VARCHAR NOT NULL, "
+            "subtitle VARCHAR, "
+            "abstract VARCHAR, "
+            "description VARCHAR, "
+            "favourite INTEGER DEFAULT 0, "
+            "alarm INTEGER DEFAULT 0, "
+            "PRIMARY KEY (xid_conference,id), "
+            "FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), "
+            "FOREIGN KEY(xid_track) REFERENCES TRACK(id));");
+
+        query.exec("CREATE TABLE EVENT_PERSON ( "
+            "xid_conference INTEGER NOT NULL, "
+            "xid_event INTEGER NOT NULL, "
+            "xid_person INTEGER NOT NULL, "
+            "UNIQUE ( xid_conference, xid_event, xid_person ) ON CONFLICT IGNORE, "
+            "FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), "
+            "FOREIGN KEY(xid_event) REFERENCES EVENT(id), "
+            "FOREIGN KEY(xid_person) REFERENCES PERSON(id));");
+
+        query.exec("CREATE TABLE EVENT_ROOM ( "
+            "xid_conference INTEGER NOT NULL, "
+            "xid_event INTEGER NOT NULL, "
+            "xid_room INTEGER NOT NULL, "
+            "UNIQUE ( xid_conference, xid_event, xid_room ) ON CONFLICT IGNORE, "
+            "FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), "
+            "FOREIGN KEY(xid_event) REFERENCES EVENT(id), "
+            "FOREIGN KEY(xid_room) REFERENCES ROOM(id));");
+
+        query.exec("CREATE TABLE LINK ( "
+            "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "
+            "xid_conference INTEGER NOT NULL, "
+            "xid_event INTEGER NOT NULL, "
+            "name VARCHAR, "
+            "url VARCHAR NOT NULL, "
+            "UNIQUE ( xid_conference, xid_event, url ) ON CONFLICT IGNORE, "
+            "FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id), "
+            "FOREIGN KEY(xid_event) REFERENCES EVENT(id));");
     }
     else
     {