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Fix after review for

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ChangeSet
  1.1803 05/01/24
  Additional fix for WL#1629: SHOW with WHERE(discussed with PeterG)
This commit is contained in:
unknown
2005-01-27 11:06:44 +03:00
parent 9dd5ded124
commit 7f39357efe
4 changed files with 31 additions and 15 deletions
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12
mysql-test/r/ps_1general.result
View File

@ -264,6 +264,18 @@ prepare stmt4 from ' show tables from test like ''t2%'' ';
execute stmt4;
Tables_in_test (t2%)
t2
prepare stmt4 from ' show columns from t2 where field in (select ?) ';
SET @arg00="a";
execute stmt4 using @arg00;
Field Type Null Key Default Extra
a int(11) NO PRI
SET @arg00="b";
execute stmt4 using @arg00;
Field Type Null Key Default Extra
b char(10) YES NULL
SET @arg00=1;
execute stmt4 using @arg00;
Field Type Null Key Default Extra
prepare stmt4 from ' show columns from t2 from test like ''a%'' ';
execute stmt4;
Field Type Null Key Default Extra

8
mysql-test/t/ps_1general.test
View File

@ -290,6 +290,14 @@ prepare stmt4 from ' show databases ';
execute stmt4;
prepare stmt4 from ' show tables from test like ''t2%'' ';
execute stmt4;
prepare stmt4 from ' show columns from t2 where field in (select ?) ';
SET @arg00="a";
execute stmt4 using @arg00;
SET @arg00="b";
execute stmt4 using @arg00;
SET @arg00=1;
execute stmt4 using @arg00;
prepare stmt4 from ' show columns from t2 from test like ''a%'' ';
execute stmt4;
create index t2_idx on t2(b);

12
sql/sql_base.cc
View File

@ -2135,8 +2135,18 @@ find_field_in_table(THD *thd, TABLE_LIST *table_list,
{
if (!my_strcasecmp(system_charset_info, trans[i].name, name))
{
if (table_list->schema_table_reformed)
{
/*
Translation table items are always Item_fields
and fixed already('mysql_schema_table' function).
So we can return ->field. It is used only for
'show & where' commands.
*/
DBUG_RETURN(((Item_field*) (trans[i].item))->field);
}
#ifndef NO_EMBEDDED_ACCESS_CHECKS
if (check_grants_view && !table_list->schema_table_reformed &&
if (check_grants_view &&
check_grant_column(thd, &table_list->grant,
table_list->view_db.str,
table_list->view_name.str,

14
sql/sql_show.cc
View File

@ -3207,22 +3207,10 @@ int mysql_schema_table(THD *thd, LEX *lex, TABLE_LIST *table_list)
{
if (!transl->item->fixed &&
transl->item->fix_fields(thd, table_list, &transl->item))
{
DBUG_RETURN(1);
}
}
if (sel->where && !sel->where->fixed &&
sel->where->fix_fields(thd, table_list, &sel->where))
{
DBUG_RETURN(1);
}
for (transl= table_list->field_translation; transl < end; transl++)
{
transl->item->rename((char *)transl->name);
}
DBUG_RETURN(0);
}
List_iterator_fast<Item> it(sel->item_list);
if (!(transl=
(Field_translator*)(thd->current_arena->
@ -3236,9 +3224,7 @@ int mysql_schema_table(THD *thd, LEX *lex, TABLE_LIST *table_list)
char *name= item->name;
transl[i].item= item;
if (!item->fixed && item->fix_fields(thd, table_list, &transl[i].item))
{
DBUG_RETURN(1);
}
transl[i++].name= name;
}
table_list->field_translation= transl;