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Name resolution context added (BUG#6443)

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This commit is contained in:
bell@sanja.is.com.ua
2005-07-01 07:05:42 +03:00
parent d8cb0cbc3f
commit d3905f3d0e
55 changed files with 1688 additions and 1069 deletions
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54
sql/sql_lex.cc
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@ -1104,7 +1104,8 @@ void st_select_lex::init_query()
having= where= prep_where= 0;
olap= UNSPECIFIED_OLAP_TYPE;
having_fix_field= 0;
resolve_mode= NOMATTER_MODE;
context.select_lex= this;
context.init();
cond_count= with_wild= 0;
conds_processed_with_permanent_arena= 0;
ref_pointer_array= 0;
@ -1703,8 +1704,7 @@ bool st_lex::can_not_use_merged()
bool st_lex::only_view_structure()
{
switch(sql_command)
{
switch (sql_command) {
case SQLCOM_SHOW_CREATE:
case SQLCOM_SHOW_TABLES:
case SQLCOM_SHOW_FIELDS:
@ -1744,6 +1744,31 @@ bool st_lex::need_correct_ident()
}
}
/*
Get effective type of CHECK OPTION for given view
SYNOPSIS
get_effective_with_check()
view given view
NOTE
It have not sense to set CHECK OPTION for SELECT satement or subqueries,
so we do not.
RETURN
VIEW_CHECK_NONE no need CHECK OPTION
VIEW_CHECK_LOCAL CHECK OPTION LOCAL
VIEW_CHECK_CASCADED CHECK OPTION CASCADED
*/
uint8 st_lex::get_effective_with_check(st_table_list *view)
{
if (view->select_lex->master_unit() == &unit &&
which_check_option_applicable())
return (uint8)view->with_check;
return VIEW_CHECK_NONE;
}
/*
initialize limit counters
@ -1804,7 +1829,8 @@ TABLE_LIST *st_lex::unlink_first_table(bool *link_to_local)
*/
if ((*link_to_local= test(select_lex.table_list.first)))
{
select_lex.table_list.first= (byte*) first->next_local;
select_lex.table_list.first= (byte*) (select_lex.context.table_list=
first->next_local);
select_lex.table_list.elements--; //safety
first->next_local= 0;
/*
@ -1909,7 +1935,8 @@ void st_lex::link_first_table_back(TABLE_LIST *first,
if (link_to_local)
{
first->next_local= (TABLE_LIST*) select_lex.table_list.first;
select_lex.table_list.first= (byte*) first;
select_lex.table_list.first=
(byte*) select_lex.context.table_list= first;
select_lex.table_list.elements++; //safety
}
}
@ -1930,7 +1957,21 @@ void st_select_lex::fix_prepare_information(THD *thd, Item **conds)
if (!thd->current_arena->is_conventional() && first_execution)
{
first_execution= 0;
prep_where= where;
if (*conds)
{
prep_where= *conds;
*conds= where= prep_where->copy_andor_structure(thd);
}
for (TABLE_LIST *tbl= (TABLE_LIST *)table_list.first;
tbl;
tbl= tbl->next_local)
{
if (tbl->on_expr)
{
tbl->prep_on_expr= tbl->on_expr;
tbl->on_expr= tbl->on_expr->copy_andor_structure(thd);
}
}
}
}
@ -1945,3 +1986,4 @@ void st_select_lex::fix_prepare_information(THD *thd, Item **conds)
st_select_lex_unit::change_result
are in sql_union.cc
*/