修改清空语句

epdc-cloud-property/doc/kettle/screen-yushan/yushan_month_delete_st.ktr

@@ -572,7 +572,7 @@ AND cal_date = DATE_FORMAT(DATE_SUB(CURDATE(), INTERVAL 1 MONTH), '%Y-%m')</sql>
     <single_statement>N</single_statement>
     <replace_variables>Y</replace_variables>
     <quoteString>N</quoteString>
-    <sql>delete from ys_news where cal_date = YEAR (NOW()) AND comm_id IS NULL ;</sql>
+    <sql>delete from ys_news where cal_date = concat(YEAR (NOW())) AND comm_id = '';</sql>
     <set_params>N</set_params>
     <insert_field/>
     <update_field/>
@@ -610,7 +610,8 @@ AND cal_date = DATE_FORMAT(DATE_SUB(CURDATE(), INTERVAL 1 MONTH), '%Y-%m')</sql>
     <single_statement>N</single_statement>
     <replace_variables>Y</replace_variables>
     <quoteString>N</quoteString>
-    <sql>delete from ys_classify where comm_id IS NULL and cal_date = YEAR(NOW());</sql>
+    <sql>delete from ys_classify where comm_id = '' and cal_date = concat(YEAR (NOW()));
+</sql>
     <set_params>N</set_params>
     <insert_field/>
     <update_field/>