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Name resolution context added (BUG#6443)

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

View File

@ -81,11 +81,14 @@ enum enum_used_fields
static bool init_fields(THD *thd, TABLE_LIST *tables,
struct st_find_field *find_fields, uint count)
{
Name_resolution_context *context= &thd->lex->select_lex.context;
DBUG_ENTER("init_fields");
context->resolve_in_table_list_only(tables);
for (; count-- ; find_fields++)
{
/* We have to use 'new' here as field will be re_linked on free */
Item_field *field= new Item_field("mysql", find_fields->table_name,
Item_field *field= new Item_field(context,
"mysql", find_fields->table_name,
find_fields->field_name);
if (!(find_fields->field= find_field_in_tables(thd, field, tables,
0, REPORT_ALL_ERRORS, 1)))
@ -544,7 +547,6 @@ int send_variant_2_list(MEM_ROOT *mem_root, Protocol *protocol,
prepare_simple_select()
thd Thread handler
cond WHERE part of select
tables list of tables, used in WHERE
table goal table
error code of error (out)
@ -553,11 +555,11 @@ int send_variant_2_list(MEM_ROOT *mem_root, Protocol *protocol,
# created SQL_SELECT
*/
SQL_SELECT *prepare_simple_select(THD *thd, Item *cond, TABLE_LIST *tables,
SQL_SELECT *prepare_simple_select(THD *thd, Item *cond,
TABLE *table, int *error)
{
if (!cond->fixed)
cond->fix_fields(thd, tables, &cond); // can never fail
cond->fix_fields(thd, &cond); // can never fail
/* Assume that no indexes cover all required fields */
table->used_keys.clear_all();
@ -599,7 +601,7 @@ SQL_SELECT *prepare_select_for_name(THD *thd, const char *mask, uint mlen,
new Item_string("\\",1,&my_charset_latin1));
if (thd->is_fatal_error)
return 0; // OOM
return prepare_simple_select(thd,cond,tables,table,error);
return prepare_simple_select(thd, cond, table, error);
}
@ -651,7 +653,8 @@ bool mysqld_help(THD *thd, const char *mask)
tables do not contain VIEWs => we can pass 0 as conds
*/
setup_tables(thd, tables, 0, &leaves, FALSE);
setup_tables(thd, &thd->lex->select_lex.context,
tables, 0, &leaves, FALSE);
memcpy((char*) used_fields, (char*) init_used_fields, sizeof(used_fields));
if (init_fields(thd, tables, used_fields, array_elements(used_fields)))
goto error;
@ -718,15 +721,15 @@ bool mysqld_help(THD *thd, const char *mask)
Item *cond_cat_by_cat=
new Item_func_equal(new Item_field(cat_cat_id),
new Item_int((int32)category_id));
if (!(select= prepare_simple_select(thd,cond_topic_by_cat,
tables,tables[0].table,&error)))
if (!(select= prepare_simple_select(thd, cond_topic_by_cat,
tables[0].table, &error)))
goto error;
get_all_items_for_category(thd,tables[0].table,
used_fields[help_topic_name].field,
select,&topics_list);
delete select;
if (!(select= prepare_simple_select(thd,cond_cat_by_cat,tables,
tables[1].table,&error)))
if (!(select= prepare_simple_select(thd, cond_cat_by_cat,
tables[1].table, &error)))
goto error;
get_all_items_for_category(thd,tables[1].table,
used_fields[help_category_name].field,