Always fallback to VARCHAR for null columns with NVARCHAR definition

flowable · Jun 18, 2024 · 56bea27 · 56bea27
1 parent a405f08
commit 56bea27
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/...ne-common/src/main/java/org/flowable/common/engine/impl/db/FlowableStringTypeHandler.java b/...ne-common/src/main/java/org/flowable/common/engine/impl/db/FlowableStringTypeHandler.java
@@ -26,7 +26,14 @@ public void setParameter(PreparedStatement ps, int i, String parameter, JdbcType
             }
             try {
                 if (useDefaultJdbcType) {
-                    ps.setNull(i,  jdbcType.TYPE_CODE);
+                    JdbcType finalJdbcType = null;
+                    if (jdbcType.equals(JdbcType.NVARCHAR)) {
+                        finalJdbcType = JdbcType.VARCHAR;
+                    } else {
+                        finalJdbcType = jdbcType;
+                    }
+                    ps.setNull(i,  finalJdbcType.TYPE_CODE);
+
                 } else {
                     ps.setNull(i, Types.NULL);
                 }