1
by brian
clean slate |
1 |
/* Copyright (C) 2000-2001, 2004 MySQL AB
|
2 |
||
3 |
This program is free software; you can redistribute it and/or modify
|
|
4 |
it under the terms of the GNU General Public License as published by
|
|
5 |
the Free Software Foundation; version 2 of the License.
|
|
6 |
||
7 |
This program is distributed in the hope that it will be useful,
|
|
8 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
9 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
10 |
GNU General Public License for more details.
|
|
11 |
||
12 |
You should have received a copy of the GNU General Public License
|
|
13 |
along with this program; if not, write to the Free Software
|
|
1802.10.2
by Monty Taylor
Update all of the copyright headers to include the correct address. |
14 |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
|
1
by brian
clean slate |
15 |
|
16 |
/* Extra functions we want to do with a database */
|
|
17 |
/* - Set flags for quicker databasehandler */
|
|
18 |
/* - Set databasehandler to normal */
|
|
19 |
/* - Reset recordpointers as after open database */
|
|
20 |
||
1130.3.28
by Monty Taylor
Moved heapdef.h and myisamdef.h to *_priv.h for easier filtering for include guard check. |
21 |
#include "heap_priv.h" |
1
by brian
clean slate |
22 |
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
23 |
using namespace drizzled; |
24 |
||
1
by brian
clean slate |
25 |
static void heap_extra_keyflag(register HP_INFO *info, |
26 |
enum ha_extra_function function); |
|
27 |
||
28 |
||
29 |
/* set extra flags for database */
|
|
30 |
||
31 |
int heap_extra(register HP_INFO *info, enum ha_extra_function function) |
|
32 |
{
|
|
33 |
switch (function) { |
|
34 |
case HA_EXTRA_RESET_STATE: |
|
35 |
heap_reset(info); |
|
36 |
case HA_EXTRA_NO_READCHECK: |
|
37 |
info->opt_flag&= ~READ_CHECK_USED; /* No readcheck */ |
|
38 |
break; |
|
39 |
case HA_EXTRA_READCHECK: |
|
40 |
info->opt_flag|= READ_CHECK_USED; |
|
41 |
break; |
|
42 |
case HA_EXTRA_CHANGE_KEY_TO_UNIQUE: |
|
43 |
case HA_EXTRA_CHANGE_KEY_TO_DUP: |
|
44 |
heap_extra_keyflag(info, function); |
|
45 |
break; |
|
46 |
default: |
|
47 |
break; |
|
48 |
}
|
|
51.3.1
by Jay Pipes
Removed all DBUG symbols from heap storage engine |
49 |
return(0); |
1
by brian
clean slate |
50 |
} /* heap_extra */ |
51 |
||
52 |
||
53 |
int heap_reset(HP_INFO *info) |
|
54 |
{
|
|
55 |
info->lastinx= -1; |
|
365.2.8
by Monty Taylor
More MAX macros. |
56 |
info->current_record= UINT32_MAX; |
1
by brian
clean slate |
57 |
info->current_hash_ptr=0; |
58 |
info->update=0; |
|
59 |
info->next_block=0; |
|
60 |
return 0; |
|
61 |
}
|
|
62 |
||
63 |
||
64 |
/*
|
|
65 |
Start/Stop Inserting Duplicates Into a Table, WL#1648.
|
|
66 |
*/
|
|
67 |
static void heap_extra_keyflag(register HP_INFO *info, |
|
68 |
enum ha_extra_function function) |
|
69 |
{
|
|
1697.2.1
by Brian Aker
Encapsulate the internal share for HEAP. |
70 |
for (uint32_t idx= 0; idx< info->getShare()->keys; idx++) |
1
by brian
clean slate |
71 |
{
|
72 |
switch (function) { |
|
73 |
case HA_EXTRA_CHANGE_KEY_TO_UNIQUE: |
|
1697.2.1
by Brian Aker
Encapsulate the internal share for HEAP. |
74 |
info->getShare()->keydef[idx].flag|= HA_NOSAME; |
1
by brian
clean slate |
75 |
break; |
76 |
case HA_EXTRA_CHANGE_KEY_TO_DUP: |
|
1697.2.1
by Brian Aker
Encapsulate the internal share for HEAP. |
77 |
info->getShare()->keydef[idx].flag&= ~(HA_NOSAME); |
1
by brian
clean slate |
78 |
break; |
79 |
default: |
|
80 |
break; |
|
81 |
}
|
|
82 |
}
|
|
83 |
}
|