cleaned up arrayList. stasis_record_write no longer takes an LSN (it was ignoring it anyway). Added some missing calls to stasis_page_lsn_write (each time a page is written to, stasis_page_lsn_write should be called; this happens automatically for operations called via tupdate

This commit is contained in:
Sears Russell 2009-06-02 18:25:35 +00:00
parent 3cc48c4fc4
commit 120665ae53
13 changed files with 217 additions and 229 deletions

View file

@ -124,7 +124,8 @@ int main(int argc, char ** argv) {
for(long long i = 0; i < num_rids; i++) {
Page *p = loadPage(-1, rids[i].page);
writelock(p->rwlatch,0);
stasis_record_write(-1, p, last_lsn, rids[i], (byte*)&cache[i].val);
stasis_record_write(-1, p, rids[i], (byte*)&cache[i].val);
stasis_page_lsn_write(-1, p, last_lsn);
unlock(p->rwlatch);
releasePage(p);
releasePage(p);

View file

@ -48,7 +48,8 @@ int main (int argc, char ** argv) {
for(long long i = 0; i < num_rids; i++) {
Page *p = loadPage(-1, rids[i].page);
writelock(p->rwlatch,0);
stasis_record_write(-1, p, last_lsn, rids[i], (byte*)&cache[i].val);
stasis_record_write(-1, p, rids[i], (byte*)&cache[i].val);
stasis_page_lsn_write(-1, p, last_lsn);
unlock(p->rwlatch);
releasePage(p);
releasePage(p);

View file

@ -110,7 +110,7 @@ static int op_alloc(const LogEntry* e, Page* p) {
if(e->update.arg_size == sizeof(alloc_arg) + size) {
// if we're aborting a dealloc we better have a sane preimage to apply
rid.size = size;
stasis_record_write(e->xid,p,e->LSN,rid,(const byte*)(arg+1));
stasis_record_write(e->xid,p,rid,(const byte*)(arg+1));
rid.size = arg->type;
} else {
// otherwise, no preimage

View file

@ -1,204 +1,117 @@
#include <config.h>
#include <stasis/common.h>
#include <stasis/page.h>
#include <stasis/operations/pageOperations.h>
#include <stasis/operations/arrayList.h>
#include <stasis/transactional.h>
#include <stasis/bufferManager.h>
#include <assert.h>
#define _XOPEN_SOURCE 600
#include <math.h>
#define MAX_OFFSET_POSITION 3
#define FIRST_DATA_PAGE_OFFSET 4
typedef struct {
pageid_t firstPage;
pageid_t initialSize;
pageid_t multiplier;//XXX rest are not page numbers or offsets, but must all be same length
int size; // *has* to be an int; passed into OPERATION_FIXED_PAGE_ALLOC
pageid_t size; // *has* to be smaller than a page; passed into TinitializeFixedPage()
pageid_t maxOffset;
} TarrayListParameters;
} array_list_parameter_t;
static TarrayListParameters pageToTLP(int xid, Page * p);
static int getBlockContainingOffset(TarrayListParameters tlp, int offset, pageid_t * firstSlotInBlock);
static array_list_parameter_t array_list_read_parameter(int xid, Page * p) {
#define MAX_OFFSET_POSITION 3
#define FIRST_DATA_PAGE_OFFSET 4
array_list_parameter_t alp;
alp.firstPage = p->id;
/* tlp.maxOffset = *(int*)fixed_record_ptr(p, 3); */
recordid rid = { p->id, 0, sizeof(pageid_t) };
alp.initialSize = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 1;
alp.multiplier = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 2;
alp.size = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 3;
alp.maxOffset = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
/*----------------------------------------------------------------------------*/
compensated_function recordid TarrayListAlloc(int xid, pageid_t count, int multiplier, int size) {
pageid_t firstPage;
try_ret(NULLRID) {
firstPage = TpageAllocMany(xid, count+1);
} end_ret(NULLRID);
TarrayListParameters tlp;
tlp.firstPage = firstPage;
tlp.initialSize = count;
tlp.multiplier = multiplier;
tlp.size = size;
tlp.maxOffset = 0;
recordid rid;
rid.page = firstPage;
rid.size = size;
rid.slot = 0;
try_ret(NULLRID) {
Tupdate(xid, firstPage, &tlp, sizeof(tlp), OPERATION_ARRAY_LIST_HEADER_INIT);
} end_ret(NULLRID);
return rid;
return alp;
}
static int array_list_get_block_containing_offset(array_list_parameter_t alp, int offset, pageid_t * firstSlotInBlock) {
int rec_per_page = stasis_fixed_records_per_page((size_t)alp.size);
long thisHigh = rec_per_page * alp.initialSize;
int lastHigh = 0;
int pageRidSlot = 0;
int currentPageLength = alp.initialSize;
static int op_array_list_header_init(const LogEntry* e, Page* p) {
while(((pageid_t)offset) >= thisHigh) {
pageRidSlot ++;
lastHigh = thisHigh;
currentPageLength *= alp.multiplier;
thisHigh += rec_per_page * currentPageLength;
}
if(firstSlotInBlock) {
*firstSlotInBlock = lastHigh;
}
return pageRidSlot;
}
assert(e->update.arg_size == sizeof(TarrayListParameters));
static int array_list_op_init_header(const LogEntry* e, Page* p) {
const TarrayListParameters * tlp
= (const TarrayListParameters*)getUpdateArgs(e);
assert(e->update.arg_size == sizeof(array_list_parameter_t));
pageid_t firstPage = tlp->firstPage;
pageid_t count = tlp->initialSize;
pageid_t multiplier = tlp->multiplier;
int size = tlp->size;
const array_list_parameter_t * alp
= (const array_list_parameter_t*)getUpdateArgs(e);
stasis_fixed_initialize_page(p, sizeof(pageid_t),
stasis_fixed_records_per_page(sizeof(pageid_t)));
recordid countRid, multiplierRid, slotSizeRid, maxOffset, firstDataPageRid;
countRid.page
recordid initialSizeRid, multiplierRid, slotSizeRid, maxOffsetRid, firstDataPageRid;
initialSizeRid.page
= multiplierRid.page = slotSizeRid.page
= maxOffset.page = firstDataPageRid.page = p->id;
= maxOffsetRid.page = firstDataPageRid.page = p->id;
countRid.size
initialSizeRid.size
= multiplierRid.size = slotSizeRid.size
= maxOffset.size = firstDataPageRid.size = sizeof(pageid_t);
= maxOffsetRid.size = firstDataPageRid.size = sizeof(pageid_t);
countRid.slot = 0;
initialSizeRid.slot = 0;
multiplierRid.slot = 1;
slotSizeRid.slot = 2;
maxOffset.slot = 3;
maxOffsetRid.slot = 3;
// Note that firstDataPageRid is not part of the header page's header..
// Instead, it is the value stored on the first slot of the header page.
firstDataPageRid.slot = 4;
pageid_t firstDataPage = firstPage + 1;
(*(pageid_t*)stasis_record_write_begin(e->xid, p, countRid))
= count;
(*(pageid_t*)stasis_record_write_begin(e->xid, p, multiplierRid))
= multiplier;
(*(pageid_t*)stasis_record_write_begin(e->xid, p, firstDataPageRid))
= firstDataPage;
(*(pageid_t*)stasis_record_write_begin(e->xid, p, slotSizeRid))
= size;
(*(pageid_t*)stasis_record_write_begin(e->xid, p, maxOffset))
= -1;
// Write header.
stasis_record_write(e->xid, p, initialSizeRid, (const byte*)&(alp->initialSize));
stasis_record_write(e->xid, p, multiplierRid, (const byte*)&(alp->multiplier));
stasis_record_write(e->xid, p, slotSizeRid, (const byte*)&(alp->size));
stasis_record_write(e->xid, p, maxOffsetRid, (const byte*)&(alp->maxOffset));
// Write first slot. The page after this one stores data
pageid_t firstDataPage = alp->firstPage + 1;
stasis_record_write(e->xid, p, firstDataPageRid, (const byte*)&firstDataPage);
*stasis_page_type_ptr(p) = ARRAY_LIST_PAGE;
recordid ret;
ret.page = firstPage;
ret.slot = 0; /* slot = # of slots in array... */
ret.size = size;
return 0;
}
/*----------------------------------------------------------------------------*/
stasis_operation_impl stasis_op_impl_array_list_header_init() {
stasis_operation_impl o = {
OPERATION_ARRAY_LIST_HEADER_INIT,
OPERATION_ARRAY_LIST_HEADER_INIT,
/* Do not need to roll back this page, since it will be deallocated. */
OPERATION_NOOP,
&op_array_list_header_init
&array_list_op_init_header
};
return o;
}
/*----------------------------------------------------------------------------*/
/** @todo locking for arrayList... this isn't pressing since currently
the only thing that calls arraylist (the hashtable
implementations) serialize bucket list operations anyway...
@todo this function calls pow(), which is horribly inefficient.
*/
compensated_function int TarrayListExtend(int xid, recordid rid, int slots) {
Page * p;
try_ret(compensation_error()) {
p = loadPage(xid, rid.page);
} end_ret(compensation_error());
readlock(p->rwlatch, 0);
TarrayListParameters tlp = pageToTLP(xid, p);
unlock(p->rwlatch);;
releasePage(p);
p = NULL;
int lastCurrentBlock; // just a slot on a page
if(tlp.maxOffset == -1) {
lastCurrentBlock = -1;
} else{
lastCurrentBlock = getBlockContainingOffset(tlp, tlp.maxOffset, NULL);
}
int lastNewBlock = getBlockContainingOffset(tlp, tlp.maxOffset+slots, NULL);
DEBUG("lastCurrentBlock = %d, lastNewBlock = %d\n", lastCurrentBlock, lastNewBlock);
recordid tmp; /* recordid of slot in base page that holds new block. */
tmp.page = rid.page;
tmp.size = sizeof(pageid_t);
recordid tmp2; /* recordid of newly created pages. */
tmp2.slot = 0;
tmp2.size = tlp.size;
/* Iterate over the (small number) of indirection blocks that need to be updated */
try_ret(compensation_error()) {
for(pageid_t i = lastCurrentBlock+1; i <= lastNewBlock; i++) {
/* Alloc block i */
pageid_t blockSize = tlp.initialSize * pow(tlp.multiplier, i);
pageid_t newFirstPage = TpageAllocMany(xid, blockSize);
DEBUG("block %d\n", i);
tmp.slot = i + FIRST_DATA_PAGE_OFFSET;
/* Iterate over the (large number) of new blocks, clearing their contents */
/* @todo XXX arraylist generates N log entries initing pages.
It should generate 1 entry. (Need better LSN handling first.)*/
{
for(pageid_t i = newFirstPage; i < newFirstPage + blockSize; i++) {
TinitializeFixedPage(xid, i, tlp.size);
}
}
TsetRaw(xid,tmp,&newFirstPage);
DEBUG("Tset: {%d, %d, %d} = %d\n", tmp.page, tmp.slot, tmp.size, newFirstPage);
}
tmp.slot = MAX_OFFSET_POSITION;
pageid_t newMaxOffset = tlp.maxOffset+slots;
TsetRaw(xid, tmp, &newMaxOffset);
} end_ret(compensation_error());
return 0;
}
compensated_function int TarrayListLength(int xid, recordid rid) {
Page * p = loadPage(xid, rid.page);
readlock(p->rwlatch, 0);
TarrayListParameters tlp = pageToTLP(xid, p);
unlock(p->rwlatch);
releasePage(p);
return tlp.maxOffset+1;
}
/*----------------------------------------------------------------------------*/
recordid stasis_array_list_dereference_recordid(int xid, Page * p, int offset) {
readlock(p->rwlatch,0);
TarrayListParameters tlp = pageToTLP(xid, p);
array_list_parameter_t tlp = array_list_read_parameter(xid, p);
int rec_per_page = stasis_fixed_records_per_page((size_t)tlp.size);
pageid_t lastHigh = 0;
@ -206,7 +119,7 @@ recordid stasis_array_list_dereference_recordid(int xid, Page * p, int offset) {
assert(tlp.maxOffset >= offset);
pageRidSlot = getBlockContainingOffset(tlp, offset, &lastHigh);
pageRidSlot = array_list_get_block_containing_offset(tlp, offset, &lastHigh);
int dataSlot = offset - lastHigh; /* The offset in the block of interest of the slot we want. */
pageid_t blockPage = dataSlot / rec_per_page; /* The page in the block of interest that contains the slot we want */
@ -225,38 +138,107 @@ recordid stasis_array_list_dereference_recordid(int xid, Page * p, int offset) {
return rid;
}
static int getBlockContainingOffset(TarrayListParameters tlp, int offset, pageid_t * firstSlotInBlock) {
int rec_per_page = stasis_fixed_records_per_page((size_t)tlp.size);
long thisHigh = rec_per_page * tlp.initialSize;
int lastHigh = 0;
int pageRidSlot = 0;
int currentPageLength = tlp.initialSize;
while(((pageid_t)offset) >= thisHigh) {
pageRidSlot ++;
lastHigh = thisHigh;
currentPageLength *= tlp.multiplier;
thisHigh += rec_per_page * currentPageLength;
}
if(firstSlotInBlock) {
*firstSlotInBlock = lastHigh;
}
return pageRidSlot;
/*----------------------------------------------------------------------------*/
compensated_function recordid TarrayListAlloc(int xid, pageid_t count, int multiplier, int recordSize) {
pageid_t firstPage;
try_ret(NULLRID) {
firstPage = TpageAllocMany(xid, count+1);
} end_ret(NULLRID);
array_list_parameter_t alp;
alp.firstPage = firstPage;
alp.initialSize = count;
alp.multiplier = multiplier;
alp.size = recordSize;
alp.maxOffset = -1;
recordid rid;
rid.page = firstPage;
rid.slot = 0; /* number of slots in array (maxOffset + 1) */
rid.size = recordSize;
try_ret(NULLRID) {
Tupdate(xid, firstPage, &alp, sizeof(alp), OPERATION_ARRAY_LIST_HEADER_INIT);
} end_ret(NULLRID);
return rid;
}
static TarrayListParameters pageToTLP(int xid, Page * p) {
/** @todo locking for arrayList... this isn't pressing since currently
the only thing that calls arraylist (the hashtable
implementations) serialize bucket list operations anyway...
TarrayListParameters tlp;
tlp.firstPage = p->id;
/* tlp.maxOffset = *(int*)fixed_record_ptr(p, 3); */
recordid rid = { p->id, 0, sizeof(pageid_t) };
tlp.initialSize = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 1;
tlp.multiplier = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 2;
tlp.size = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
rid.slot = 3;
tlp.maxOffset = *(pageid_t*)stasis_record_read_begin(xid, p, rid);
@todo this function calls pow(), which is horribly inefficient.
*/
compensated_function int TarrayListExtend(int xid, recordid rid, int slots) {
Page * p;
try_ret(compensation_error()) {
p = loadPage(xid, rid.page);
} end_ret(compensation_error());
readlock(p->rwlatch, 0);
array_list_parameter_t alp
= array_list_read_parameter(xid, p);
unlock(p->rwlatch);;
releasePage(p);
p = NULL;
int lastCurrentBlock; // just a slot on a page
if(alp.maxOffset == -1) {
lastCurrentBlock = -1;
} else{
lastCurrentBlock = array_list_get_block_containing_offset(alp, alp.maxOffset, NULL);
}
int lastNewBlock = array_list_get_block_containing_offset(alp, alp.maxOffset+slots, NULL);
DEBUG("lastCurrentBlock = %d, lastNewBlock = %d\n", lastCurrentBlock, lastNewBlock);
recordid tmp; /* recordid of slot in base page that holds new block. */
tmp.page = rid.page;
tmp.size = sizeof(pageid_t);
recordid tmp2; /* recordid of newly created pages. */
tmp2.slot = 0;
tmp2.size = alp.size;
/* Iterate over the (small number) of indirection blocks that need to be updated */
try_ret(compensation_error()) {
for(pageid_t i = lastCurrentBlock+1; i <= lastNewBlock; i++) {
/* Alloc block i */
pageid_t blockSize = alp.initialSize * powl(alp.multiplier, i);
pageid_t newFirstPage = TpageAllocMany(xid, blockSize);
DEBUG("block %d\n", i);
tmp.slot = i + FIRST_DATA_PAGE_OFFSET;
/* Iterate over the (large number) of new blocks, clearing their contents */
/* @todo XXX arraylist generates N log entries initing pages.
It should generate 1 entry. (Need better LSN handling first.)*/
{
for(pageid_t i = newFirstPage; i < newFirstPage + blockSize; i++) {
TinitializeFixedPage(xid, i, alp.size);
}
}
TsetRaw(xid,tmp,&newFirstPage);
DEBUG("Tset: {%d, %d, %d} = %d\n", tmp.page, tmp.slot, tmp.size, newFirstPage);
}
tmp.slot = MAX_OFFSET_POSITION;
pageid_t newMaxOffset = alp.maxOffset+slots;
TsetRaw(xid, tmp, &newMaxOffset);
} end_ret(compensation_error());
return 0;
return tlp;
}
compensated_function int TarrayListLength(int xid, recordid rid) {
Page * p = loadPage(xid, rid.page);
readlock(p->rwlatch, 0);
array_list_parameter_t alp
= array_list_read_parameter(xid, p);
unlock(p->rwlatch);
releasePage(p);
return alp.maxOffset+1;
}

View file

@ -55,7 +55,7 @@ static int op_decrement(const LogEntry* e, Page* p) {
stasis_record_read(e->xid, p, r, (byte*)&i);
i--;
stasis_record_write(e->xid, p, e->LSN, r, (byte*)&i);
stasis_record_write(e->xid, p, r, (byte*)&i);
return 0;
}

View file

@ -56,7 +56,7 @@ static int op_decrement(const LogEntry* e, Page* p) {
stasis_record_read(e->xid, p, r, (byte*)&i);
i++;
stasis_record_write(e->xid, p, e->LSN, r, (byte*)&i);
stasis_record_write(e->xid, p, r, (byte*)&i);
return 0;
}

View file

@ -63,7 +63,7 @@ static int op_set(const LogEntry *e, Page *p) {
assert(stasis_record_type_to_size(rid.size) == rid.size);
assert(stasis_record_length_read(e->xid,p,rid) == rid.size);
stasis_record_write(e->xid, p, e->LSN, rid, b);
stasis_record_write(e->xid, p, rid, b);
return 0;
}
@ -79,7 +79,7 @@ static int op_set_inverse(const LogEntry *e, Page *p) {
assert(e->update.arg_size == sizeof(slotid_t) + sizeof(int64_t) + 2 * rid.size);
assert(stasis_record_type_to_size(rid.size) == rid.size);
stasis_record_write(e->xid, p, e->LSN, rid, b+rid.size);
stasis_record_write(e->xid, p, rid, b+rid.size);
return 0;
}
@ -156,7 +156,7 @@ static int op_set_range(const LogEntry* e, Page* p) {
stasis_record_read(e->xid, p, rid, tmp);
memcpy(tmp+range->offset, data, diffLength);
stasis_record_write(e->xid, p, e->LSN, rid, tmp);
stasis_record_write(e->xid, p, rid, tmp);
free(tmp);
return 0;
@ -177,7 +177,7 @@ static int op_set_range_inverse(const LogEntry* e, Page* p) {
stasis_record_read(e->xid, p, rid, tmp);
memcpy(tmp+range->offset, data, diffLength);
stasis_record_write(e->xid, p, e->LSN, rid, tmp);
stasis_record_write(e->xid, p, rid, tmp);
free(tmp);
return 0;

View file

@ -153,7 +153,7 @@ page_impl * stasis_page_impl_get(int id) {
assert(page_impls[id].page_type == id);
return & page_impls[id];
}
void stasis_record_write(int xid, Page * p, lsn_t lsn, recordid rid, const byte *dat) {
void stasis_record_write(int xid, Page * p, recordid rid, const byte *dat) {
assertlocked(p->rwlatch);
assert( (p->id == rid.page) && (p->memAddr != NULL) );
assert(rid.size <= BLOB_THRESHOLD_SIZE);

View file

@ -517,12 +517,8 @@ stasis_record_type_to_size(ssize_t type) {
* @param rid recordid where you want to write
* @param dat the new value of the record.
*
* @todo this updates the LSN of the page that points to blob, even if
* the page is otherwise untouched!! This is slow and breaks
* recovery.
*
*/
void stasis_record_write(int xid, Page * page, lsn_t lsn, recordid rid, const byte *dat);
void stasis_record_write(int xid, Page * page, recordid rid, const byte *dat);
/**
* Read a record. This call will be dispatched to the proper page implementation.
*

View file

@ -183,8 +183,8 @@ void initializeNewBTreeNode(int xid, Page* p){
byte * countBuff = (byte *) & countInt;
// write the count out
stasis_record_write(xid, p, 1, rid, countBuff);
stasis_record_write(xid, p, rid, countBuff);
stasis_page_lsn_write(xid, p, 1);
}
void testFunctions(){
printf("testing functions");
@ -265,7 +265,8 @@ int SimpleExample(){
// @todo This is a messy way to do this...
stasis_record_write(xid, p1, 1, rid1, b1);
stasis_record_write(xid, p1, rid1, b1);
stasis_page_lsn_write(xid, p1, 1);
stasis_record_read(xid, p1, rid1, b2);
if (DEBUGP) { printf("\nb2** = %d\n",*((int *) b2));}

View file

@ -136,7 +136,7 @@ void * workerThreadWriting(void * q) {
lsn_t lsn = stasis_page_lsn_read(p);
assert(lsn);
p->LSN --; // XXX HACK -- Sooner or later this will break...
stasis_record_write(1, p, lsn, rids[i], (byte*)&val);
stasis_record_write(1, p, rids[i], (byte*)&val);
stasis_page_lsn_write(1,p,lsn);
unlock(p->rwlatch);

View file

@ -116,7 +116,7 @@ START_TEST(linearHashNTAtest)
found = ThashRemove(xid, hashHeader, (byte*)&i, sizeof(int));
assert(!found);
}
printf("\nabort()\n"); fflush(stdout);
printf("\n"); fflush(stdout);
Tabort(xid);
xid = Tbegin();
for(i = 0; i < NUM_ENTRIES; i++) {
@ -132,12 +132,15 @@ START_TEST(linearHashNTAtest)
}
Tcommit(xid);
Tdeinit();
printf("\n"); fflush(stdout);
} END_TEST
/** @test
*/
START_TEST(linearHashNTAVariableSizetest)
{
fflush(stdout); printf("\n");
Tinit();
int xid = Tbegin();
@ -187,7 +190,7 @@ START_TEST(linearHashNTAVariableSizetest)
found = ThashRemove(xid, hashHeader, (byte*)&i, sizeof(int));
assert(!found);
}
printf("\nabort()\n"); fflush(stdout);
printf("\n"); fflush(stdout);
Tabort(xid);
xid = Tbegin();
for(i = 0; i < NUM_ENTRIES; i++) {
@ -201,6 +204,7 @@ START_TEST(linearHashNTAVariableSizetest)
assert(val2->size == val2->slot * NUM_ENTRIES);
free(val2);
}
printf("\n");
Tcommit(xid);
Tdeinit();
} END_TEST
@ -487,7 +491,6 @@ START_TEST(linearHashNTAVariableLengthIteratortest) {
} END_TEST
START_TEST(emptyHashIterator) {
printf("\n");
Tinit();
int xid = Tbegin();

View file

@ -100,7 +100,8 @@ START_TEST(operation_physical_do_undo) {
p = loadPage(xid, rid.page);
writelock(p->rwlatch,0);
// manually fill in UNDO field
stasis_record_write(xid, p, lsn, rid, (byte*)&buf);
stasis_record_write(xid, p, rid, (byte*)&buf);
stasis_page_lsn_write(xid, p, lsn);
unlock(p->rwlatch);
releasePage(p);
setToTwo->LSN = 10;
@ -164,7 +165,8 @@ START_TEST(operation_physical_do_undo) {
p = loadPage(xid, rid.page);
writelock(p->rwlatch,0);
stasis_record_write(xid, p, lsn, rid, (byte*)&buf);
stasis_record_write(xid, p, rid, (byte*)&buf);
stasis_page_lsn_write(xid, p, lsn);
unlock(p->rwlatch);
releasePage(p);
/* Trace of test:
@ -211,8 +213,8 @@ START_TEST(operation_physical_do_undo) {
assert(buf == 1);
stasis_record_write(xid, p, 0, rid, (byte*)&buf); /* reset the page's LSN. */
stasis_record_write(xid, p, rid, (byte*)&buf); /* reset the page's LSN. */
stasis_page_lsn_write(xid, p, 0);
DEBUG("I redo set to 2\n");
stasis_operation_redo(setToTwo,p); /* Succeeds */
@ -553,7 +555,8 @@ START_TEST(operation_lsn_free) {
for(int i = 0; i < 100; i++) {
rid[i] = stasis_record_alloc_begin(xid, p, sizeof(int));
stasis_record_alloc_done(xid, p, rid[i]);
stasis_record_write(xid, p, -1, rid[i], (const byte*)&fortyTwo);
stasis_record_write(xid, p, rid[i], (const byte*)&fortyTwo);
stasis_page_lsn_write(xid, p, -1);
}
byte * new = malloc(PAGE_SIZE);
memcpy(new, p->memAddr, PAGE_SIZE);
@ -618,7 +621,8 @@ START_TEST(operation_reorderable) {
for(int i = 0; i < 100; i++) {
rid[i] = stasis_record_alloc_begin(xid, p, sizeof(int));
stasis_record_alloc_done(xid, p, rid[i]);
stasis_record_write(xid, p, -1, rid[i], (const byte*)&fortyTwo);
stasis_record_write(xid, p, rid[i], (const byte*)&fortyTwo);
stasis_page_lsn_write(xid, p, -1);
}
byte * new = malloc(PAGE_SIZE);
memcpy(new, p->memAddr, PAGE_SIZE);