Fix [#12]

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>AuxProtect</groupId>
     <artifactId>AuxProtect</artifactId>
-    <version>1.2.5.2-pre2</version>
+    <version>1.2.5.2-pre3</version>
     <name>AuxProtect</name>
     <build>
         <finalName>${project.artifactId}-${project.version}</finalName>

src/main/java/dev/heliosares/auxprotect/core/commands/InvCommand.java

@@ -186,7 +186,7 @@ public class InvCommand extends Command {
 
     private static void update(IAuxProtect plugin, Player staff, long time) throws SQLException {
         plugin.getSqlManager().execute(
-                "UPDATE " + Table.AUXPROTECT_INVENTORY + " SET data=ifnull(data,'')||? WHERE time=? AND action_id=?",
+                "UPDATE " + Table.AUXPROTECT_INVENTORY + " SET data=" + plugin.getSqlManager().concat("ifnull(data,'')", "?") + " WHERE time=? AND action_id=?",
                 30000L, LocalDateTime.now().format(XrayCommand.ratedByDateFormatter) + ": Recovered by " + staff.getName() + "; ",
                 time, EntryAction.INVENTORY.id);
     }

src/main/java/dev/heliosares/auxprotect/database/ConnectionPool.java

@@ -430,4 +430,11 @@ public class ConnectionPool {
         }
     }
 
+    public String concat(String s1, String s2) {
+        if (isMySQL()) {
+            return "CONCAT(" + s1 + "," + s2 + ")";
+        } else {
+            return s1 + "||" + s2;
+        }
+    }
 }