Commit 4e390d71 authored by mikael@dator5.(none)'s avatar mikael@dator5.(none)

BUG#17138: Crashes in stored procedure

Last round of review fixes
parent 10ecad1f
......@@ -656,9 +656,8 @@ class ha_ndbcluster: public handler
void set_auto_partitions(partition_info *part_info);
virtual bool is_fatal_error(int error, uint flags)
{
if (!handler::is_fatal_error(error, flags))
return FALSE;
if (error == HA_ERR_NO_PARTITION_FOUND)
if (!handler::is_fatal_error(error, flags) ||
error == HA_ERR_NO_PARTITION_FOUND)
return FALSE;
return TRUE;
}
......
......@@ -304,9 +304,8 @@ public:
virtual bool is_fatal_error(int error, uint flags)
{
if (!handler::is_fatal_error(error, flags))
return FALSE;
if (error == HA_ERR_NO_PARTITION_FOUND)
if (!handler::is_fatal_error(error, flags) ||
error == HA_ERR_NO_PARTITION_FOUND)
return FALSE;
return TRUE;
}
......
......@@ -235,6 +235,11 @@
/* Options of START TRANSACTION statement (and later of SET TRANSACTION stmt) */
#define MYSQL_START_TRANS_OPT_WITH_CONS_SNAPSHOT 1
/* Flags for method is_fatal_error */
#define HA_CHECK_DUP_KEY 1
#define HA_CHECK_DUP_UNIQUE 2
#define HA_CHECK_DUP (HA_CHECK_DUP_KEY + HA_CHECK_DUP_UNIQUE)
enum legacy_db_type
{
DB_TYPE_UNKNOWN=0,DB_TYPE_DIAB_ISAM=1,
......@@ -972,17 +977,14 @@ public:
ignorable than others. E.g. the partition handler can get inserts
into a range where there is no partition and this is an ignorable
error.
HA_ERR_FOUND_DUPP_UNIQUE is a special case in MyISAM that means the
same thing as HA_ERR_FOUND_DUPP_KEY but can in some cases lead to
HA_ERR_FOUND_DUP_UNIQUE is a special case in MyISAM that means the
same thing as HA_ERR_FOUND_DUP_KEY but can in some cases lead to
a slightly different error message.
*/
#define HA_CHECK_DUPP_KEY 1
#define HA_CHECK_DUPP_UNIQUE 2
#define HA_CHECK_DUPP (HA_CHECK_DUPP_KEY + HA_CHECK_DUPP_UNIQUE)
virtual bool is_fatal_error(int error, uint flags)
{
if (!error ||
((flags & HA_CHECK_DUPP_KEY) &&
((flags & HA_CHECK_DUP_KEY) &&
(error == HA_ERR_FOUND_DUPP_KEY ||
error == HA_ERR_FOUND_DUPP_UNIQUE)))
return FALSE;
......
......@@ -2663,7 +2663,7 @@ bool Item_sum_count_distinct::add()
return tree->unique_add(table->record[0] + table->s->null_bytes);
}
if ((error= table->file->ha_write_row(table->record[0])) &&
table->file->is_fatal_error(error, HA_CHECK_DUPP))
table->file->is_fatal_error(error, HA_CHECK_DUP))
return TRUE;
return FALSE;
}
......
......@@ -2049,7 +2049,7 @@ static int replace_user_table(THD *thd, TABLE *table, const LEX_USER &combo,
}
else if ((error=table->file->ha_write_row(table->record[0]))) // insert
{ // This should never happen
if (table->file->is_fatal_error(error, HA_CHECK_DUPP))
if (table->file->is_fatal_error(error, HA_CHECK_DUP))
{
table->file->print_error(error,MYF(0)); /* purecov: deadcode */
error= -1; /* purecov: deadcode */
......@@ -2171,7 +2171,7 @@ static int replace_db_table(TABLE *table, const char *db,
}
else if (rights && (error= table->file->ha_write_row(table->record[0])))
{
if (table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
goto table_error; /* purecov: deadcode */
}
......@@ -2743,7 +2743,7 @@ static int replace_table_table(THD *thd, GRANT_TABLE *grant_table,
else
{
error=table->file->ha_write_row(table->record[0]);
if (table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
goto table_error; /* purecov: deadcode */
}
......@@ -2861,7 +2861,7 @@ static int replace_routine_table(THD *thd, GRANT_NAME *grant_name,
else
{
error=table->file->ha_write_row(table->record[0]);
if (table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
goto table_error;
}
......
......@@ -977,20 +977,24 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
{
uint key_nr;
bool is_duplicate_key_error;
if (table->file->is_fatal_error(error, HA_CHECK_DUPP))
if (table->file->is_fatal_error(error, HA_CHECK_DUP))
goto err;
table->file->restore_auto_increment(); // it's too early here! BUG#20188
is_duplicate_key_error= table->file->is_fatal_error(error, 0);
if (!is_duplicate_key_error)
{
/*
We come here when we had an ignorable error which is not a duplicate
key error. In this we ignore error if ignore flag is set, otherwise
report error as usual. We will not do any duplicate key processing.
*/
if (info->ignore)
goto ok_or_after_trg_err;
else
goto err;
goto ok_or_after_trg_err; /* Ignoring a not fatal error, return 0 */
goto err;
}
if ((int) (key_nr = table->file->get_dup_key(error)) < 0)
{
error=HA_ERR_FOUND_DUPP_KEY; /* Database can't find key */
error= HA_ERR_FOUND_DUPP_KEY; /* Database can't find key */
goto err;
}
/* Read all columns for the row we are going to replace */
......@@ -1072,7 +1076,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
table->record[0])))
{
if (info->ignore &&
!table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
!table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
goto ok_or_after_trg_err;
goto err;
}
......@@ -1155,7 +1159,7 @@ int write_record(THD *thd, TABLE *table,COPY_INFO *info)
else if ((error=table->file->ha_write_row(table->record[0])))
{
if (!info->ignore ||
table->file->is_fatal_error(error, HA_CHECK_DUPP))
table->file->is_fatal_error(error, HA_CHECK_DUP))
goto err;
table->file->restore_auto_increment();
goto ok_or_after_trg_err;
......
......@@ -9354,7 +9354,7 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param,
/* copy row that filled HEAP table */
if ((write_err=new_table.file->write_row(table->record[0])))
{
if (new_table.file->is_fatal_error(write_err, HA_CHECK_DUPP) ||
if (new_table.file->is_fatal_error(write_err, HA_CHECK_DUP) ||
!ignore_last_dupp_key_error)
goto err;
}
......@@ -10777,7 +10777,7 @@ end_write(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
join->found_records++;
if ((error=table->file->write_row(table->record[0])))
{
if (table->file->is_fatal_error(error, HA_CHECK_DUPP))
if (!table->file->is_fatal_error(error, HA_CHECK_DUP))
goto end;
if (create_myisam_from_heap(join->thd, table, &join->tmp_table_param,
error,1))
......
......@@ -6322,11 +6322,10 @@ copy_data_between_tables(TABLE *from,TABLE *to,
}
if ((error=to->file->ha_write_row((byte*) to->record[0])))
{
if (!ignore ||
handle_duplicates != DUP_REPLACE || /* Currently always false */
to->file->is_fatal_error(error, HA_CHECK_DUPP))
if (!ignore || handle_duplicates != DUP_ERROR ||
to->file->is_fatal_error(error, HA_CHECK_DUP))
{
if (!to->file->is_fatal_error(error, HA_CHECK_DUPP))
if (!to->file->is_fatal_error(error, HA_CHECK_DUP))
{
uint key_nr= to->file->get_dup_key(error);
if ((int) key_nr >= 0)
......
......@@ -65,7 +65,7 @@ bool select_union::send_data(List<Item> &values)
if ((error= table->file->ha_write_row(table->record[0])))
{
/* create_myisam_from_heap will generate error if needed */
if (table->file->is_fatal_error(error, HA_CHECK_DUPP) &&
if (table->file->is_fatal_error(error, HA_CHECK_DUP) &&
create_myisam_from_heap(thd, table, &tmp_table_param, error, 1))
return 1;
}
......
......@@ -542,13 +542,13 @@ int mysql_update(THD *thd,
}
}
else if (!ignore ||
table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
{
/*
If (ignore && error is ignorable) we don't have to
do anything; otherwise...
*/
if (table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
thd->fatal_error(); /* Other handler errors are fatal */
table->file->print_error(error,MYF(0));
error= 1;
......@@ -1424,13 +1424,13 @@ bool multi_update::send_data(List<Item> &not_used_values)
{
updated--;
if (!ignore ||
table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
{
/*
If (ignore && error == is ignorable) we don't have to
do anything; otherwise...
*/
if (table->file->is_fatal_error(error, HA_CHECK_DUPP_KEY))
if (table->file->is_fatal_error(error, HA_CHECK_DUP_KEY))
thd->fatal_error(); /* Other handler errors are fatal */
table->file->print_error(error,MYF(0));
DBUG_RETURN(1);
......@@ -1459,7 +1459,7 @@ bool multi_update::send_data(List<Item> &not_used_values)
/* Write row, ignoring duplicated updates to a row */
if ((error= tmp_table->file->ha_write_row(tmp_table->record[0])))
{
if (tmp_table->file->is_fatal_error(error, HA_CHECK_DUPP) &&
if (tmp_table->file->is_fatal_error(error, HA_CHECK_DUP) &&
create_myisam_from_heap(thd, tmp_table,
tmp_table_param + offset, error, 1))
{
......@@ -1583,7 +1583,7 @@ int multi_update::do_updates(bool from_send_error)
table->record[0])))
{
if (!ignore ||
table->file->is_fatal_error(local_error, HA_CHECK_DUPP_KEY))
table->file->is_fatal_error(local_error, HA_CHECK_DUP_KEY))
goto err;
}
updated++;
......
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