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fixed using 'uncachable' tag and RAND_TABLE_BIT setting

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sql/item_create.cc:
  specify cause of uncachability
sql/item_func.cc:
  specify cause of uncachability
sql/item_subselect.cc:
  fixed setting RAND_TABLE_BIT
  specify cause of uncachability
sql/item_subselect.h:
  used one field for all uncachability causes
sql/mysql_priv.h:
  causes of uncachability
sql/sql_lex.cc:
  specify cause of uncachability
sql/sql_lex.h:
  used one field for all uncachability causes
sql/sql_select.cc:
  used one field for all uncachability causes
sql/sql_union.cc:
  used one field for all uncachability causes
sql/sql_yacc.yy:
  specify cause of uncachability
This commit is contained in:
unknown
2003-11-17 20:53:40 +02:00
parent 8fed6653de
commit 79533975b1
10 changed files with 62 additions and 60 deletions
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6
sql/sql_select.cc
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@ -9041,10 +9041,12 @@ int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
((sl == first)?
((sl->linkage == DERIVED_TABLE_TYPE) ?
"DERIVED":
((sl->dependent)?"DEPENDENT SUBQUERY":
((sl->uncacheable & UNCACHEABLE_DEPENDENT)?
"DEPENDENT SUBQUERY":
(sl->uncacheable?"UNCACHEABLE SUBQUERY":
"SUBQUERY"))):
((sl->dependent)?"DEPENDENT UNION":
((sl->uncacheable & UNCACHEABLE_DEPENDENT)?
"DEPENDENT UNION":
sl->uncacheable?"UNCACHEABLE UNION":
"UNION"))),
result);