Commit a1be2a89 authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi
Browse files

Fix of UNION code 

Added heap_delete_table
Added HA_EXTRA_PREPARE_FOR_DELETE
Added and use my_dup() for faster open of tables.
Removed not working no-mix-table-type
parent 1e1a1ec0

=6

deleted100644 → 0
+0 −0

Empty file deleted.

heap/hp_clear.c

+1 −1
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ void _hp_clear(HP_SHARE *info) 
    block->levels=0;

    block->last_allocated=0;

  }

  info->records=info->deleted=info->data_length=info->index_length=0;;

  info->records=info->deleted=info->data_length=info->index_length=0;

  info->blength=1;

  info->changed=0;

  info->del_link=0;

heap/hp_close.c

+3 −2
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@ 
#include "heapdef.h"



	/* Close a database open by hp_open() */

	/* Data is not deallocated */

	/* Data is normally not deallocated */



int heap_close(HP_INFO *info)

{
@@ -43,8 +43,9 @@ int _hp_close(register HP_INFO *info) 
  }

#endif

  info->s->changed=0;

  info->s->open_count--;

  heap_open_list=list_delete(heap_open_list,&info->open_list);

  if (!--info->s->open_count && info->s->delete_on_close)

    _hp_free(info->s);				/* Table was deleted */

  my_free((gptr) info,MYF(0));

  DBUG_RETURN(error);

}

heap/hp_create.c

+27 −11
Original line number Diff line number Diff line
@@ -21,33 +21,49 @@ 


#include "heapdef.h"





int heap_create(const char *name)

{

  reg1 HP_SHARE *share;

  DBUG_ENTER("heap_create");

  (void) heap_delete_all(name);

  pthread_mutex_lock(&THR_LOCK_heap);

  if ((share=_hp_find_named_heap(name)))

  {

    if (share->open_count == 0)

      _hp_free(share);

  }

  else

  {

    my_errno=ENOENT;

  }

  pthread_mutex_unlock(&THR_LOCK_heap);

  DBUG_RETURN(0);

}



int heap_delete_all(const char *name)

int heap_delete_table(const char *name)

{

  reg1 HP_SHARE *info;

  int found;

  DBUG_ENTER("heap_delete_all");

  int result;

  reg1 HP_SHARE *share;

  DBUG_ENTER("heap_delete_table");



  pthread_mutex_lock(&THR_LOCK_heap);

  if ((info=_hp_find_named_heap(name)))

  if ((share=_hp_find_named_heap(name)))

  {

    if (info->open_count == 0)

      _hp_free(info);

    found=0;

    if (share->open_count == 0)

      _hp_free(share);

    else

     share->delete_on_close=1;

    result=0;

  }

  else

  {

    found=my_errno=ENOENT;

    result=my_errno=ENOENT;

  }

  pthread_mutex_unlock(&THR_LOCK_heap);

  DBUG_RETURN(found);

  DBUG_RETURN(result);

}





void _hp_free(HP_SHARE *share)

{

  heap_share_list=list_delete(heap_share_list,&share->open_list);

heap/hp_delete.c

+4 −2
Original line number Diff line number Diff line
@@ -50,7 +50,8 @@ int heap_delete(HP_INFO *info, const byte *record) 
  info->current_hash_ptr=0;

  DBUG_RETURN(0);

 err:

  if( ++(share->records) == share->blength) share->blength+= share->blength;

  if (++(share->records) == share->blength)

    share->blength+= share->blength;

  DBUG_RETURN(my_errno);

}
@@ -66,7 +67,8 @@ int _hp_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo, 
  DBUG_ENTER("_hp_delete_key");



  blength=share->blength;

  if (share->records+1 == blength) blength+= blength;

  if (share->records+1 == blength)

    blength+= blength;

  lastpos=hp_find_hash(&keyinfo->block,share->records);

  last_ptr=0;