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A comment for view_prepare_mode.

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konstantin@mysql.com
2005-05-23 22:38:12 +04:00
parent df309c622f
commit 52d6288e2d
1 changed files with 7 additions and 1 deletions
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8
sql/sql_lex.h
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@ -757,7 +757,13 @@ typedef struct st_lex
bool drop_if_exists, drop_temporary, local_file, one_shot_set;
bool in_comment, ignore_space, verbose, no_write_to_binlog;
bool tx_chain, tx_release;
/* special JOIN::prepare mode: changing of query is prohibited */
/*
Special JOIN::prepare mode: changing of query is prohibited.
When creating a view, we need to just check its syntax omitting
any optimizations: afterwards definition of the view will be
reconstructed by means of ::print() methods and written to
to an .frm file. We need this definition to stay untouched.
*/
bool view_prepare_mode;
bool safe_to_cache_query;
bool subqueries, ignore;