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Some code optimisations related to EXPLAIN of derived tables and the

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resulting code cleanup in our main loop.
This commit is contained in:
Sinisa@sinisa.nasamreza.org
2002-11-09 15:40:46 +02:00
parent bd6f8e0b5f
commit d96c670c70
6 changed files with 37 additions and 90 deletions
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4
sql/sql_select.cc
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@ -7458,8 +7458,10 @@ int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
((sl->next_select_in_list())?"PRIMARY":
"SIMPLE"):
((sl == first)?
((sl->linkage == DERIVED_TABLE_TYPE) ?
"DERIVED":
((sl->dependent)?"DEPENDENT SUBSELECT":
"SUBSELECT"):
"SUBSELECT")):
((sl->dependent)?"DEPENDENT UNION":
"UNION"))),
result);