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some small changes for MULTI-TABLE updates and other little fixes

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sql/sql_class.h:
  small optimisations for MULTI-TABLE UPDATE's
sql/sql_parse.cc:
  Could not look at that if () at the start of execute_command, and as 
  Monty evidently did not have time, so I optimised it away in the best 
  fashion I know of.
sql/sql_update.cc:
  Some optimisations  for MULTI-TABLE UPDATE's
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unknown
2002-01-16 22:45:47 +02:00
parent 84d3da1df8
commit 4d638f1e35
3 changed files with 70 additions and 88 deletions
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2
sql/sql_class.h
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@@ -684,7 +684,7 @@ public:
enum enum_duplicates dupl;
uint num_of_tables, num_fields, num_updated, *save_time_stamps, *field_sequence;
int error;
bool do_update;
bool do_update, not_trans_safe;
public:
multi_update(THD *thd_arg, TABLE_LIST *ut, List<Item> &fs,
enum enum_duplicates handle_duplicates,