MDEV-28896 Spider: remove #ifdef SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA

new_data is const since at least 2017: a05a610d

storage/spider/ha_spider.cc

@@ -7879,19 +7879,11 @@ int ha_spider::end_bulk_update(
   DBUG_RETURN(0);
 }
 
-#ifdef SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA
 int ha_spider::bulk_update_row(
   const uchar *old_data,
   const uchar *new_data,
   ha_rows *dup_key_found
 )
-#else
-int ha_spider::bulk_update_row(
-  const uchar *old_data,
-  uchar *new_data,
-  ha_rows *dup_key_found
-)
-#endif
 {
   DBUG_ENTER("ha_spider::bulk_update_row");
   DBUG_PRINT("info",("spider this=%p", this));
@@ -7899,17 +7891,10 @@ int ha_spider::bulk_update_row(
   DBUG_RETURN(update_row(old_data, new_data));
 }
 
-#ifdef SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA
 int ha_spider::update_row(
   const uchar *old_data,
   const uchar *new_data
 )
-#else
-int ha_spider::update_row(
-  const uchar *old_data,
-  uchar *new_data
-)
-#endif
 {
   int error_num;
   THD *thd = ha_thd();

storage/spider/ha_spider.h

@@ -393,7 +393,6 @@ class ha_spider final : public handler
     ha_rows *dup_key_found
   );
   int end_bulk_update();
-#ifdef SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA
   int bulk_update_row(
     const uchar *old_data,
     const uchar *new_data,
@@ -403,17 +402,6 @@ class ha_spider final : public handler
     const uchar *old_data,
     const uchar *new_data
   );
-#else
-  int bulk_update_row(
-    const uchar *old_data,
-    uchar *new_data,
-    ha_rows *dup_key_found
-  );
-  int update_row(
-    const uchar *old_data,
-    uchar *new_data
-  );
-#endif
   bool check_direct_update_sql_part(
     st_select_lex *select_lex,
     longlong select_limit,

storage/spider/spd_environ.h

@@ -22,5 +22,4 @@
 
 #define HANDLER_HAS_TOP_TABLE_FIELDS
 #define PARTITION_HAS_GET_PART_SPEC
-#define SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA
 #endif /* SPD_ENVIRON_INCLUDED */