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Merge mysql.com:/home/mydev/mysql-4.1

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into mysql.com:/home/mydev/mysql-4.1-4100
This commit is contained in:
ingo@mysql.com 2004-08-09 11:28:59 +02:00
commit 41feaae09a
1 changed files with 21 additions and 1 deletions
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22
sql/ha_myisam.cc
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@ -957,15 +957,21 @@ int ha_myisam::indexes_are_disabled(void)
start_bulk_insert(rows)
rows Rows to be inserted
0 if we don't know
NOTICE
Do not forget to call end_bulk_insert() later!
*/
void ha_myisam::start_bulk_insert(ha_rows rows)
{
DBUG_ENTER("ha_myisam::start_bulk_insert");
THD *thd=current_thd;
ulong size= min(thd->variables.read_buff_size, table->avg_row_length*rows);
DBUG_PRINT("info",("start_bulk_insert: rows %lu size %lu",
(ulong) rows, size));
/* don't enable row cache if too few rows */
if (!rows && rows > MI_MIN_ROWS_TO_USE_WRITE_CACHE)
if (! rows || (rows > MI_MIN_ROWS_TO_USE_WRITE_CACHE))
mi_extra(file, HA_EXTRA_WRITE_CACHE, (void*) &size);
can_enable_indexes= (file->s->state.key_map ==
@ -989,8 +995,22 @@ void ha_myisam::start_bulk_insert(ha_rows rows)
mi_init_bulk_insert(file, thd->variables.bulk_insert_buff_size, rows);
}
}
DBUG_VOID_RETURN;
}
/*
end special bulk-insert optimizations,
which have been activated by start_bulk_insert().
SYNOPSIS
end_bulk_insert()
no arguments
RETURN
0 OK
!= 0 Error
*/
int ha_myisam::end_bulk_insert()
{
mi_end_bulk_insert(file);