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Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1

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into sanja.is.com.ua:/home/bell/mysql/bk/work-order-4.1
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bell@sanja.is.com.ua
2003-04-23 11:20:19 +03:00
parent a3d3937ac2 c96e588490
commit c4637293fd
6 changed files with 76 additions and 13 deletions
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55
sql/sql_lex.cc
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@ -1203,23 +1203,60 @@ TABLE_LIST *st_select_lex_node::add_table_to_list(THD *thd, Table_ident *table,
}
ulong st_select_lex_node::get_table_join_options() { return 0; }
/*
This is used for UNION & subselect to create a new table list of all used
tables.
The table_list->table entry in all used tables are set to point
to the entries in this list.
*/
// interface
/*
Interface method of table list creation for query
SYNOPSIS
st_select_lex_unit::create_total_list()
thd THD pointer
result pointer on result list of tables pointer
check_derived force derived table chacking (used for creating
table list for derived query)
DESCRIPTION
This is used for UNION & subselect to create a new table list of all used
tables.
The table_list->table entry in all used tables are set to point
to the entries in this list.
RETURN
0 - OK
!0 - error
*/
bool st_select_lex_unit::create_total_list(THD *thd, st_lex *lex,
TABLE_LIST **result,
bool check_derived)
{
*result= 0;
return create_total_list_n_last_return(thd, lex, &result, check_derived);
for (SELECT_LEX_UNIT *unit= this; unit; unit= unit->next_unit())
{
if ((res= unit->create_total_list_n_last_return(thd, lex, &result,
check_derived)))
return res;
}
return 0;
}
// list creator
/*
Table list creation for query
SYNOPSIS
st_select_lex_unit::create_total_list()
thd THD pointer
lex pointer on LEX stricture
result pointer on pointer on result list of tables pointer
check_derived force derived table chacking (used for creating
table list for derived query)
DESCRIPTION
This is used for UNION & subselect to create a new table list of all used
tables.
The table_list->table entry in all used tables are set to point
to the entries in this list.
RETURN
0 - OK
!0 - error
*/
bool st_select_lex_unit::create_total_list_n_last_return(THD *thd, st_lex *lex,
TABLE_LIST ***result,
bool check_derived)