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Code Activity

support of subselect without FROM reducing (SCRUM)

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fixed bug of calling setup_fields without correct lex->current_select pointer in mysql_derived
more correct creation of reference in Item_field::fix_field


mysql-test/r/subselect.result:
  new explain with subselect reduced
mysql-test/t/subselect.test:
  new explain with subselect reduced
sql/item.cc:
  support of subselect without FROM reducing
  more correct creation of reference in Item_field::fix_field
sql/item.h:
  support of subselect without FROM reducing
sql/item_cmpfunc.cc:
  support of subselect without FROM reducing
sql/item_cmpfunc.h:
  support of subselect without FROM reducing
sql/item_func.cc:
  support of subselect without FROM reducing
sql/item_func.h:
  support of subselect without FROM reducing
sql/item_row.cc:
  support of subselect without FROM reducing
sql/item_row.h:
  support of subselect without FROM reducing
sql/item_strfunc.h:
  fixed layout
  support of subselect without FROM reducing
sql/item_subselect.cc:
  support of subselect without FROM reducing
sql/item_subselect.h:
  support of subselect without FROM reducing
sql/mysql_priv.h:
  reference in Item_field::fix_field related changes
sql/sql_base.cc:
  reference in Item_field::fix_field related changes
sql/sql_derived.cc:
  fixed bug of calling setup_fields without correct lex->current_select pointer
This commit is contained in:
unknown
2002-12-26 01:28:59 +02:00
parent da4d8e1b62
commit 1dfa625f7b
16 changed files with 223 additions and 34 deletions
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5
sql/sql_base.cc
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@@ -1654,6 +1654,7 @@ const Field *not_found_field= (Field*) 0x1;
thd - pointer to current thread structure
item - field item that should be found
tables - tables for scaning
where - table where field found will be returned via this parameter
report_error - if FALSE then do not report error if item not found and
return not_found_field;
@@ -1667,7 +1668,7 @@ const Field *not_found_field= (Field*) 0x1;
Field *
find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
bool report_error)
TABLE_LIST **where, bool report_error)
{
Field *found=0;
const char *db=item->db_name;
@@ -1688,6 +1689,7 @@ find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
grant_option && !thd->master_access,1);
if (find)
{
(*where)= tables;
if (find == WRONG_GRANT)
return (Field*) 0;
if (db || !thd->where)
@@ -1742,6 +1744,7 @@ find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
{
if (field == WRONG_GRANT)
return (Field*) 0;
(*where)= tables;
if (found)
{
if (!thd->where) // Returns first found