Fix for Blazebit#1870 Override MSSQLDbmsDialect to use varchar(max) f…

…or String instead of varchar(30)

core/impl/src/main/java/com/blazebit/persistence/impl/dialect/MSSQLDbmsDialect.java

@@ -26,6 +26,7 @@
 import com.blazebit.persistence.spi.SetOperationType;
 import com.blazebit.persistence.spi.UpdateJoinStyle;
 
+import java.util.HashMap;
 import java.util.Map;
 
 /**
@@ -37,12 +38,22 @@
 public class MSSQLDbmsDialect extends DefaultDbmsDialect {
 
     public MSSQLDbmsDialect() {
+        super(getSqlTypes());
     }
 
     public MSSQLDbmsDialect(Map<Class<?>, String> childSqlTypes) {
         super(childSqlTypes);
     }
 
+    protected static Map<Class<?>, String> getSqlTypes() {
+        Map<Class<?>, String> types = new HashMap<>();
+
+        // SQL Server default varchar length is 30. We are overriding the same to make it good fit for String
+        types.put(String.class, "varchar(max)");
+
+        return types;
+    }
+
     @Override
     public String getWithClause(boolean recursive) {
         return "with";