feat: 解决typeHandler实例化参数无实际类型的问题 close #113

Author: L1yp

mapper/src/main/java/io/mybatis/mapper/example/Example.java

@@ -1359,8 +1359,15 @@ protected Criterion(String condition, Object value, EntityColumn column) {
       super();
       this.condition = condition;
       this.value = value;
-      this.javaType = value != null ? column.javaType().getName() : null;
-      this.typeHandler = typeHandler != null ? column.typeHandler().getName() : null;
+      if (column != null) {
+        Class<?> javaTypeClass = column.javaType();
+        if (javaTypeClass != null) {
+          this.javaType = javaTypeClass.getName();
+        }
+        if (column.typeHandler() != null) {
+          this.typeHandler = column.typeHandler().getName();
+        }
+      }
       if (value instanceof Collection<?>) {
         if (condition != null) {
           this.listValue = true;
@@ -1377,8 +1384,15 @@ protected Criterion(String condition, Object value, Object secondValue, EntityCo
       this.condition = condition;
       this.value = value;
       this.secondValue = secondValue;
-      this.javaType = value != null ? column.javaType().getName() : null;
-      this.typeHandler = typeHandler != null ? column.typeHandler().getName() : null;
+      if (column != null) {
+        Class<?> javaTypeClass = column.javaType();
+        if (javaTypeClass != null) {
+          this.javaType = javaTypeClass.getName();
+        }
+        if (column.typeHandler() != null) {
+          this.typeHandler = column.typeHandler().getName();
+        }
+      }
       this.betweenValue = true;
     }