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merge with 3.23.44

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monty@hundin.mysql.fi
2001-11-04 16:14:09 +02:00
parent 67951fdeb4 65d4c846d8
commit fd0780493d
115 changed files with 3377 additions and 1379 deletions
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51
sql/sql_select.cc
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@@ -3185,7 +3185,8 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
/* fix to replace 'NULL' dates with '0' (shreeve@uci.edu) */
else if (((field->type() == FIELD_TYPE_DATE) ||
(field->type() == FIELD_TYPE_DATETIME)) &&
(field->flags & NOT_NULL_FLAG))
(field->flags & NOT_NULL_FLAG) &&
!field->table->maybe_null)
{
COND *new_cond;
if ((new_cond= new Item_func_eq(args[0],new Item_int("0", 0, 2))))
@@ -4083,14 +4084,17 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
{
if (table->group && join->tmp_table_param.sum_func_count)
{
DBUG_PRINT("info",("Using end_update"));
if (table->keys)
{
DBUG_PRINT("info",("Using end_update"));
end_select=end_update;
table->file->index_init(0);
}
else
{
DBUG_PRINT("info",("Using end_unique_update"));
end_select=end_unique_update;
}
}
else if (join->sort_and_group)
{
@@ -4206,8 +4210,6 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
int error;
bool found=0;
COND *on_expr=join_tab->on_expr, *select_cond=join_tab->select_cond;
int (*next_select)(JOIN *,struct st_join_table *,bool)=
join_tab->next_select;
if (!(error=(*join_tab->read_first_record)(join_tab)))
{
@@ -4215,7 +4217,6 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
bool not_used_in_distinct=join_tab->not_used_in_distinct;
ha_rows found_records=join->found_records;
READ_RECORD *info= &join_tab->read_record;
join->examined_rows++;
do
{
@@ -4224,6 +4225,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
my_error(ER_SERVER_SHUTDOWN,MYF(0)); /* purecov: inspected */
return -2; /* purecov: inspected */
}
join->examined_rows++;
if (!on_expr || on_expr->val_int())
{
found=1;
@@ -4231,7 +4233,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
break; // Searching after not null columns
if (!select_cond || select_cond->val_int())
{
if ((error=(*next_select)(join,join_tab+1,0)) < 0)
if ((error=(*join_tab->next_select)(join,join_tab+1,0)) < 0)
return error;
if (not_used_in_distinct && found_records != join->found_records)
return 0;
@@ -4252,7 +4254,7 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
mark_as_null_row(join_tab->table); // For group by without error
if (!select_cond || select_cond->val_int())
{
if ((error=(*next_select)(join,join_tab+1,0)) < 0)
if ((error=(*join_tab->next_select)(join,join_tab+1,0)) < 0)
return error; /* purecov: inspected */
}
}
@@ -5449,6 +5451,41 @@ err:
DBUG_RETURN(-1);
}
/*
** Add the HAVING criteria to table->select
*/
#ifdef NOT_YET
static bool fix_having(JOIN *join, Item **having)
{
(*having)->update_used_tables(); // Some tables may have been const
JOIN_TAB *table=&join->join_tab[join->const_tables];
table_map used_tables= join->const_table_map | table->table->map;
DBUG_EXECUTE("where",print_where(*having,"having"););
Item* sort_table_cond=make_cond_for_table(*having,used_tables,used_tables);
if (sort_table_cond)
{
if (!table->select)
if (!(table->select=new SQL_SELECT))
return 1;
if (!table->select->cond)
table->select->cond=sort_table_cond;
else // This should never happen
if (!(table->select->cond=new Item_cond_and(table->select->cond,
sort_table_cond)))
return 1;
table->select_cond=table->select->cond;
DBUG_EXECUTE("where",print_where(table->select_cond,
"select and having"););
*having=make_cond_for_table(*having,~ (table_map) 0,~used_tables);
DBUG_EXECUTE("where",print_where(*having,"having after make_cond"););
}
return 0;
}
#endif
/*****************************************************************************
** Remove duplicates from tmp table
** This should be recoded to add a uniuqe index to the table and remove