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Merge pull request #17240 from taosdata/fix/TD-19261 

fix(tdb): subtract payload size with cell header size
This commit is contained in:
Shengliang Guan 2022-10-09 19:30:57 +08:00 committed by GitHub
parent ce23f10068 4a64803278
commit e99b8a5f57
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 69 additions and 62 deletions
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26
source/libs/tdb/src/db/tdbBtree.c
View File

@ -1003,14 +1003,14 @@ static int tdbBtreeEncodePayload(SPage *pPage, SCell *pCell, int nHeader, const
int nLeft = nPayload;
int bytes;
int lastPage = 0;
if (nLocal >= kLen + 4) {
if (nLocal >= nHeader + kLen + sizeof(SPgno)) {
// pack key to local
memcpy(pCell + nHeader, pKey, kLen);
nLeft -= kLen;
// pack partial val to local if any space left
if (nLocal > kLen + 4) {
memcpy(pCell + nHeader + kLen, pVal, nLocal - kLen - sizeof(SPgno));
nLeft -= nLocal - kLen - sizeof(SPgno);
if (nLocal > nHeader + kLen + sizeof(SPgno)) {
memcpy(pCell + nHeader + kLen, pVal, nLocal - nHeader - kLen - sizeof(SPgno));
nLeft -= nLocal - nHeader - kLen - sizeof(SPgno);
}
// pack nextPgno
@ -1150,9 +1150,7 @@ static int tdbBtreeEncodePayload(SPage *pPage, SCell *pCell, int nHeader, const
// free local buffer
tdbFree(pBuf);
*szPayload = nLocal;
// ASSERT(0);
*szPayload = nLocal - nHeader;
}
return 0;
@ -1246,10 +1244,10 @@ static int tdbBtreeDecodePayload(SPage *pPage, const SCell *pCell, int nHeader,
int bytes;
int lastPage = 0;
if (nLocal >= pDecoder->kLen + 4) {
if (nLocal >= pDecoder->kLen + nHeader + sizeof(SPgno)) {
pDecoder->pKey = (SCell *)pCell + nHeader;
nLeft -= kLen;
if (nLocal > kLen + 4) {
if (nLocal > kLen + nHeader + sizeof(SPgno)) {
// read partial val to local
pDecoder->pVal = tdbRealloc(pDecoder->pVal, vLen);
if (pDecoder->pVal == NULL) {
@ -1259,9 +1257,9 @@ static int tdbBtreeDecodePayload(SPage *pPage, const SCell *pCell, int nHeader,
tdbDebug("tdb btc decoder: %p/0x%x pVal: %p ", pDecoder, pDecoder->freeKV, pDecoder->pVal);
memcpy(pDecoder->pVal, pCell + nHeader + kLen, nLocal - kLen - sizeof(SPgno));
memcpy(pDecoder->pVal, pCell + nHeader + kLen, nLocal - nHeader - kLen - sizeof(SPgno));
nLeft -= nLocal - kLen - sizeof(SPgno);
nLeft -= nLocal - nHeader - kLen - sizeof(SPgno);
}
memcpy(&pgno, pCell + nHeader + nPayload - nLeft, sizeof(pgno));
@ -1474,7 +1472,7 @@ static int tdbBtreeCellSize(const SPage *pPage, SCell *pCell, int dropOfp, TXN *
int nPayload = kLen + vLen;
if (nHeader + nPayload <= pPage->maxLocal) {
return nHeader + kLen + vLen;
return nHeader + nPayload;
} else {
int maxLocal = pPage->maxLocal;
@ -1486,7 +1484,7 @@ static int tdbBtreeCellSize(const SPage *pPage, SCell *pCell, int dropOfp, TXN *
// free ofp pages' cells
if (dropOfp) {
int ret = 0;
SPgno pgno = *(SPgno *)(pCell + nHeader + nLocal - sizeof(SPgno));
SPgno pgno = *(SPgno *)(pCell + nLocal - sizeof(SPgno));
int nLeft = nPayload - nLocal + sizeof(SPgno);
SPage *ofp;
int bytes;
@ -1513,7 +1511,7 @@ static int tdbBtreeCellSize(const SPage *pPage, SCell *pCell, int dropOfp, TXN *
}
}
return nHeader + nLocal;
return nLocal;
}
}
// TDB_BTREE_CELL

35
source/libs/tdb/test/tdbExOVFLTest.cpp
View File

@ -119,12 +119,12 @@ static int tDefaultKeyCmpr(const void *pKey1, int keyLen1, const void *pKey2, in
return cret;
}
TEST(TdbOVFLPagesTest, TbUpsertTest) {
TEST(TdbOVFLPagesTest, DISABLED_TbUpsertTest) {
// TEST(TdbOVFLPagesTest, TbUpsertTest) {
}
TEST(TdbOVFLPagesTest, TbPGetTest) {
TEST(TdbOVFLPagesTest, DISABLED_TbPGetTest) {
// TEST(TdbOVFLPagesTest, TbPGetTest) {
}
static void generateBigVal(char *val, int valLen) {
@ -162,7 +162,8 @@ static void insertOfp(void) {
// open db
TTB *pDb = NULL;
tdb_cmpr_fn_t compFunc = tKeyCmpr;
ret = tdbTbOpen("ofp_insert.db", -1, -1, compFunc, pEnv, &pDb);
// ret = tdbTbOpen("ofp_insert.db", -1, -1, compFunc, pEnv, &pDb);
ret = tdbTbOpen("ofp_insert.db", 12, -1, compFunc, pEnv, &pDb);
GTEST_ASSERT_EQ(ret, 0);
// open the pool
@ -176,12 +177,15 @@ static void insertOfp(void) {
tdbBegin(pEnv, &txn);
// generate value payload
char val[((4083 - 4 - 3 - 2)+1)*100]; // pSize(4096) - amSize(1) - pageHdr(8) - footerSize(4)
// char val[((4083 - 4 - 3 - 2) + 1) * 100]; // pSize(4096) - amSize(1) - pageHdr(8) - footerSize(4)
char val[32605];
int valLen = sizeof(val) / sizeof(val[0]);
generateBigVal(val, valLen);
// insert the generated big data
ret = tdbTbInsert(pDb, "key1", strlen("key1"), val, valLen, &txn);
// char const *key = "key1";
char const *key = "key123456789";
ret = tdbTbInsert(pDb, key, strlen(key), val, valLen, &txn);
GTEST_ASSERT_EQ(ret, 0);
// commit current transaction
@ -189,8 +193,8 @@ static void insertOfp(void) {
tdbTxnClose(&txn);
}
//TEST(TdbOVFLPagesTest, DISABLED_TbInsertTest) {
TEST(TdbOVFLPagesTest, TbInsertTest) {
TEST(TdbOVFLPagesTest, DISABLED_TbInsertTest) {
// TEST(TdbOVFLPagesTest, TbInsertTest) {
insertOfp();
}
@ -207,11 +211,13 @@ TEST(TdbOVFLPagesTest, TbGetTest) {
// open db
TTB *pDb = NULL;
tdb_cmpr_fn_t compFunc = tKeyCmpr;
int ret = tdbTbOpen("ofp_insert.db", -1, -1, compFunc, pEnv, &pDb);
// int ret = tdbTbOpen("ofp_insert.db", -1, -1, compFunc, pEnv, &pDb);
int ret = tdbTbOpen("ofp_insert.db", 12, -1, compFunc, pEnv, &pDb);
GTEST_ASSERT_EQ(ret, 0);
// generate value payload
char val[((4083 - 4 - 3 - 2)+1)*100]; // pSize(4096) - amSize(1) - pageHdr(8) - footerSize(4)
// char val[((4083 - 4 - 3 - 2) + 1) * 100]; // pSize(4096) - amSize(1) - pageHdr(8) - footerSize(4)
char val[32605];
int valLen = sizeof(val) / sizeof(val[0]);
generateBigVal(val, valLen);
@ -219,7 +225,9 @@ TEST(TdbOVFLPagesTest, TbGetTest) {
void *pVal = NULL;
int vLen;
ret = tdbTbGet(pDb, "key1", strlen("key1"), &pVal, &vLen);
// char const *key = "key1";
char const *key = "key123456789";
ret = tdbTbGet(pDb, key, strlen(key), &pVal, &vLen);
ASSERT(ret == 0);
GTEST_ASSERT_EQ(ret, 0);
@ -230,7 +238,8 @@ TEST(TdbOVFLPagesTest, TbGetTest) {
}
}
TEST(TdbOVFLPagesTest, TbDeleteTest) {
TEST(TdbOVFLPagesTest, DISABLED_TbDeleteTest) {
// TEST(TdbOVFLPagesTest, TbDeleteTest) {
int ret = 0;
taosRemoveDir("tdb");