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refactor hash table codes.

This commit is contained in:
hjxilinx 2020-03-12 14:02:55 +08:00
parent d813dae74a
commit 50497767e9
15 changed files with 238 additions and 198 deletions
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2
src/client/src/tcache.c
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@ -15,12 +15,12 @@
#include "os.h"
#include "hashfunc.h"
#include "tcache.h"
#include "tlog.h"
#include "ttime.h"
#include "ttimer.h"
#include "tutil.h"
#include "hashutil.h"
#define HASH_MAX_CAPACITY (1024*1024*16)
#define HASH_VALUE_IN_TRASH (-1)

4
src/client/src/tscParseInsert.c
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@ -1002,7 +1002,7 @@ int doParseInsertSql(SSqlObj *pSql, char *str) {
|| ((NULL != pSql->asyncTblPos) && (NULL != pSql->pTableHashList)));
if ((NULL == pSql->asyncTblPos) && (NULL == pSql->pTableHashList)) {
pSql->pTableHashList = taosInitHashTable(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false);
pSql->pTableHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false);
pSql->cmd.pDataBlocks = tscCreateBlockArrayList();
if (NULL == pSql->pTableHashList || NULL == pSql->cmd.pDataBlocks) {
@ -1260,7 +1260,7 @@ _error_clean:
pCmd->pDataBlocks = tscDestroyBlockArrayList(pCmd->pDataBlocks);
_clean:
taosCleanUpHashTable(pSql->pTableHashList);
taosHashCleanup(pSql->pTableHashList);
pSql->pTableHashList = NULL;
pSql->asyncTblPos = NULL;

4
src/client/src/tscSql.c
View File

@ -206,7 +206,7 @@ int taos_query_imp(STscObj *pObj, SSqlObj *pSql) {
pSql->asyncTblPos = NULL;
if (NULL != pSql->pTableHashList) {
taosCleanUpHashTable(pSql->pTableHashList);
taosHashCleanup(pSql->pTableHashList);
pSql->pTableHashList = NULL;
}
@ -1079,7 +1079,7 @@ int taos_validate_sql(TAOS *taos, const char *sql) {
pSql->asyncTblPos = NULL;
if (NULL != pSql->pTableHashList) {
taosCleanUpHashTable(pSql->pTableHashList);
taosHashCleanup(pSql->pTableHashList);
pSql->pTableHashList = NULL;
}

12
src/client/src/tscUtil.c
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@ -677,7 +677,7 @@ int32_t tscGetDataBlockFromList(void* pHashList, SDataBlockList* pDataBlockList,
STableDataBlocks** dataBlocks) {
*dataBlocks = NULL;
STableDataBlocks** t1 = (STableDataBlocks**)taosGetDataFromHashTable(pHashList, (const char*)&id, sizeof(id));
STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pHashList, (const char*)&id, sizeof(id));
if (t1 != NULL) {
*dataBlocks = *t1;
}
@ -688,7 +688,7 @@ int32_t tscGetDataBlockFromList(void* pHashList, SDataBlockList* pDataBlockList,
return ret;
}
taosAddToHashTable(pHashList, (const char*)&id, sizeof(int64_t), (char*)dataBlocks, POINTER_BYTES);
taosHashPut(pHashList, (const char*)&id, sizeof(int64_t), (char*)dataBlocks, POINTER_BYTES);
tscAppendDataBlock(pDataBlockList, *dataBlocks);
}
@ -698,7 +698,7 @@ int32_t tscGetDataBlockFromList(void* pHashList, SDataBlockList* pDataBlockList,
int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockList) {
SSqlCmd* pCmd = &pSql->cmd;
void* pVnodeDataBlockHashList = taosInitHashTable(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false);
void* pVnodeDataBlockHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false);
SDataBlockList* pVnodeDataBlockList = tscCreateBlockArrayList();
for (int32_t i = 0; i < pTableDataBlockList->nSize; ++i) {
@ -710,7 +710,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
tsInsertHeadSize, 0, pOneTableBlock->tableId, pOneTableBlock->pMeterMeta, &dataBuf);
if (ret != TSDB_CODE_SUCCESS) {
tscError("%p failed to prepare the data block buffer for merging table data, code:%d", pSql, ret);
taosCleanUpHashTable(pVnodeDataBlockHashList);
taosHashCleanup(pVnodeDataBlockHashList);
tscDestroyBlockArrayList(pVnodeDataBlockList);
return ret;
}
@ -728,7 +728,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
} else { // failed to allocate memory, free already allocated memory and return error code
tscError("%p failed to allocate memory for merging submit block, size:%d", pSql, dataBuf->nAllocSize);
taosCleanUpHashTable(pVnodeDataBlockHashList);
taosHashCleanup(pVnodeDataBlockHashList);
tfree(dataBuf->pData);
tscDestroyBlockArrayList(pVnodeDataBlockList);
@ -761,7 +761,7 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SDataBlockList* pTableDataBlockLi
pCmd->pDataBlocks = pVnodeDataBlockList;
tscFreeUnusedDataBlocks(pCmd->pDataBlocks);
taosCleanUpHashTable(pVnodeDataBlockHashList);
taosHashCleanup(pVnodeDataBlockHashList);
return TSDB_CODE_SUCCESS;
}

10
src/query/src/tresultBuf.c
View File

@ -16,7 +16,7 @@ int32_t createDiskbasedResultBuffer(SQueryDiskbasedResultBuf** pResultBuf, int32
pResBuf->incStep = 4;
// init id hash table
pResBuf->idsTable = taosInitHashTable(size, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false);
pResBuf->idsTable = taosHashInit(size, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false);
pResBuf->list = calloc(size, sizeof(SIDList));
pResBuf->numOfAllocGroupIds = size;
@ -56,7 +56,7 @@ tFilePage* getResultBufferPageById(SQueryDiskbasedResultBuf* pResultBuf, int32_t
return (tFilePage*)(pResultBuf->pBuf + DEFAULT_INTERN_BUF_SIZE * id);
}
int32_t getNumOfResultBufGroupId(SQueryDiskbasedResultBuf* pResultBuf) { return taosNumElemsInHashTable(pResultBuf->idsTable); }
int32_t getNumOfResultBufGroupId(SQueryDiskbasedResultBuf* pResultBuf) { return taosHashGetSize(pResultBuf->idsTable); }
int32_t getResBufSize(SQueryDiskbasedResultBuf* pResultBuf) { return pResultBuf->totalBufSize; }
@ -95,7 +95,7 @@ static bool noMoreAvailablePages(SQueryDiskbasedResultBuf* pResultBuf) {
static int32_t getGroupIndex(SQueryDiskbasedResultBuf* pResultBuf, int32_t groupId) {
assert(pResultBuf != NULL);
char* p = taosGetDataFromHashTable(pResultBuf->idsTable, (const char*)&groupId, sizeof(int32_t));
char* p = taosHashGet(pResultBuf->idsTable, (const char*)&groupId, sizeof(int32_t));
if (p == NULL) { // it is a new group id
return -1;
}
@ -121,7 +121,7 @@ static int32_t addNewGroupId(SQueryDiskbasedResultBuf* pResultBuf, int32_t group
pResultBuf->numOfAllocGroupIds = n;
}
taosAddToHashTable(pResultBuf->idsTable, (const char*)&groupId, sizeof(int32_t), &num, sizeof(int32_t));
taosHashPut(pResultBuf->idsTable, (const char*)&groupId, sizeof(int32_t), &num, sizeof(int32_t));
return num;
}
@ -210,7 +210,7 @@ void destroyResultBuf(SQueryDiskbasedResultBuf* pResultBuf) {
}
tfree(pResultBuf->list);
taosCleanUpHashTable(pResultBuf->idsTable);
taosHashCleanup(pResultBuf->idsTable);
tfree(pResultBuf);
}

10
src/query/src/ttokenizer.c
View File

@ -14,12 +14,12 @@
*/
#include "hash.h"
#include "hashutil.h"
#include "hashfunc.h"
#include "os.h"
#include "shash.h"
#include "taosdef.h"
#include "tstoken.h"
#include "ttokendef.h"
#include "taosdef.h"
#include "tutil.h"
// All the keywords of the SQL language are stored in a hash table
@ -253,11 +253,11 @@ static void* KeywordHashTable = NULL;
static void doInitKeywordsTable() {
int numOfEntries = tListLen(keywordTable);
KeywordHashTable = taosInitHashTable(numOfEntries, MurmurHash3_32, false);
KeywordHashTable = taosHashInit(numOfEntries, MurmurHash3_32, false);
for (int32_t i = 0; i < numOfEntries; i++) {
keywordTable[i].len = strlen(keywordTable[i].name);
void* ptr = &keywordTable[i];
taosAddToHashTable(KeywordHashTable, keywordTable[i].name, keywordTable[i].len, (void*)&ptr, POINTER_BYTES);
taosHashPut(KeywordHashTable, keywordTable[i].name, keywordTable[i].len, (void*)&ptr, POINTER_BYTES);
}
}
@ -275,7 +275,7 @@ int tSQLKeywordCode(const char* z, int n) {
}
}
SKeyword** pKey = (SKeyword**)taosGetDataFromHashTable(KeywordHashTable, key, n);
SKeyword** pKey = (SKeyword**)taosHashGet(KeywordHashTable, key, n);
if (pKey != NULL) {
return (*pKey)->type;
} else {

9
src/query/src/tvariant.c
View File

@ -13,17 +13,16 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tvariant.h"
#include "hash.h"
#include "hashutil.h"
#include "hashfunc.h"
#include "os.h"
#include "shash.h"
#include "taos.h"
#include "taosdef.h"
#include "tstoken.h"
#include "ttokendef.h"
#include "taosdef.h"
#include "tutil.h"
#include "tvariant.h"
#include "taosdef.h"
#include "taos.h"
// todo support scientific expression number and oct number
void tVariantCreate(tVariant *pVar, SSQLToken *token) { tVariantCreateFromString(pVar, token->z, token->n, token->type); }

77
src/util/inc/hash.h
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@ -20,7 +20,7 @@
extern "C" {
#endif
#include "hashutil.h"
#include "hashfunc.h"
#define HASH_MAX_CAPACITY (1024 * 1024 * 16)
#define HASH_VALUE_IN_TRASH (-1)
@ -45,32 +45,77 @@ typedef struct SHashEntry {
uint32_t num;
} SHashEntry;
typedef struct HashObj {
typedef struct SHashObj {
SHashEntry **hashList;
uint32_t capacity; // number of slots
int size; // number of elements in hash table
size_t capacity; // number of slots
size_t size; // number of elements in hash table
_hash_fn_t hashFp; // hash function
bool multithreadSafe; // enable lock or not
#if defined LINUX
pthread_rwlock_t lock;
#if defined (LINUX)
pthread_rwlock_t* lock;
#else
pthread_mutex_t lock;
pthread_mutex_t* lock;
#endif
} SHashObj;
} HashObj;
/**
* init the hash table
*
* @param capacity initial capacity of the hash table
* @param fn hash function to generate the hash value
* @param threadsafe thread safe or not
* @return
*/
SHashObj *taosHashInit(size_t capacity, _hash_fn_t fn, bool threadsafe);
void *taosInitHashTable(uint32_t capacity, _hash_fn_t fn, bool multithreadSafe);
void taosDeleteFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen);
/**
* return the size of hash table
* @param pHashObj
* @return
*/
size_t taosHashGetSize(const SHashObj *pHashObj);
int32_t taosAddToHashTable(HashObj *pObj, const char *key, uint32_t keyLen, void *data, uint32_t size);
int32_t taosNumElemsInHashTable(HashObj *pObj);
/**
* put element into hash table, if the element with the same key exists, update it
* @param pHashObj
* @param key
* @param keyLen
* @param data
* @param size
* @return
*/
int32_t taosHashPut(SHashObj *pHashObj, const char *key, size_t keyLen, void *data, size_t size);
char *taosGetDataFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen);
/**
* return the payload data with the specified key
*
* @param pHashObj
* @param key
* @param keyLen
* @return
*/
void *taosHashGet(SHashObj *pHashObj, const char *key, size_t keyLen);
void taosCleanUpHashTable(void *handle);
/**
* remove item with the specified key
* @param pHashObj
* @param key
* @param keyLen
*/
void taosHashRemove(SHashObj *pHashObj, const char *key, size_t keyLen);
int32_t taosGetHashMaxOverflowLength(HashObj *pObj);
/**
* clean up hash table
* @param handle
*/
void taosHashCleanup(SHashObj *pHashObj);
/**
*
* @param pHashObj
* @return
*/
int32_t taosHashGetMaxOverflowLinkLength(const SHashObj *pHashObj);
#ifdef __cplusplus
}

0
src/util/inc/hashutil.h → src/util/inc/hashfunc.h
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258
src/util/src/hash.c
View File

@ -21,7 +21,11 @@
#include "tutil.h"
static FORCE_INLINE void __wr_lock(void *lock) {
#if defined LINUX
if (lock == NULL) {
return;
}
#if defined (LINUX)
pthread_rwlock_wrlock(lock);
#else
pthread_mutex_lock(lock);
@ -29,7 +33,11 @@ static FORCE_INLINE void __wr_lock(void *lock) {
}
static FORCE_INLINE void __rd_lock(void *lock) {
#if defined LINUX
if (lock == NULL) {
return;
}
#if defined (LINUX)
pthread_rwlock_rdlock(lock);
#else
pthread_mutex_lock(lock);
@ -37,7 +45,11 @@ static FORCE_INLINE void __rd_lock(void *lock) {
}
static FORCE_INLINE void __unlock(void *lock) {
#if defined LINUX
if (lock == NULL) {
return;
}
#if defined (LINUX)
pthread_rwlock_unlock(lock);
#else
pthread_mutex_unlock(lock);
@ -45,7 +57,11 @@ static FORCE_INLINE void __unlock(void *lock) {
}
static FORCE_INLINE int32_t __lock_init(void *lock) {
#if defined LINUX
if (lock == NULL) {
return 0;
}
#if defined (LINUX)
return pthread_rwlock_init(lock, NULL);
#else
return pthread_mutex_init(lock, NULL);
@ -53,7 +69,11 @@ static FORCE_INLINE int32_t __lock_init(void *lock) {
}
static FORCE_INLINE void __lock_destroy(void *lock) {
#if defined LINUX
if (lock == NULL) {
return;
}
#if defined (LINUX)
pthread_rwlock_destroy(lock);
#else
pthread_mutex_destroy(lock);
@ -68,21 +88,12 @@ static FORCE_INLINE int32_t taosHashCapacity(int32_t length) {
return i;
}
/**
* hash key function
*
* @param key key string
* @param len length of key
* @return hash value
*/
static FORCE_INLINE uint32_t taosHashKey(const char *key, uint32_t len) { return MurmurHash3_32(key, len); }
/**
* inplace update node in hash table
* @param pObj hash table object
* @param pHashObj hash table object
* @param pNode data node
*/
static void doUpdateHashTable(HashObj *pObj, SHashNode *pNode) {
static void doUpdateHashTable(SHashObj *pHashObj, SHashNode *pNode) {
if (pNode->prev1) {
pNode->prev1->next = pNode;
}
@ -96,16 +107,16 @@ static void doUpdateHashTable(HashObj *pObj, SHashNode *pNode) {
/**
* get SHashNode from hashlist, nodes from trash are not included.
* @param pObj Cache objection
* @param pHashObj Cache objection
* @param key key for hash
* @param keyLen key length
* @return
*/
static SHashNode *doGetNodeFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen, uint32_t *hashVal) {
uint32_t hash = (*pObj->hashFp)(key, keyLen);
static SHashNode *doGetNodeFromHashTable(SHashObj *pHashObj, const char *key, uint32_t keyLen, uint32_t *hashVal) {
uint32_t hash = (*pHashObj->hashFp)(key, keyLen);
int32_t slot = HASH_INDEX(hash, pObj->capacity);
SHashEntry *pEntry = pObj->hashList[slot];
int32_t slot = HASH_INDEX(hash, pHashObj->capacity);
SHashEntry *pEntry = pHashObj->hashList[slot];
SHashNode *pNode = pEntry->next;
while (pNode) {
@ -117,7 +128,7 @@ static SHashNode *doGetNodeFromHashTable(HashObj *pObj, const char *key, uint32_
}
if (pNode) {
assert(HASH_INDEX(pNode->hashVal, pObj->capacity) == slot);
assert(HASH_INDEX(pNode->hashVal, pHashObj->capacity) == slot);
}
// return the calculated hash value, to avoid calculating it again in other functions
@ -131,10 +142,10 @@ static SHashNode *doGetNodeFromHashTable(HashObj *pObj, const char *key, uint32_
/**
* resize the hash list if the threshold is reached
*
* @param pObj
* @param pHashObj
*/
static void taosHashTableResize(HashObj *pObj) {
if (pObj->size < pObj->capacity * HASH_DEFAULT_LOAD_FACTOR) {
static void taosHashTableResize(SHashObj *pHashObj) {
if (pHashObj->size < pHashObj->capacity * HASH_DEFAULT_LOAD_FACTOR) {
return;
}
@ -142,30 +153,30 @@ static void taosHashTableResize(HashObj *pObj) {
SHashNode *pNode = NULL;
SHashNode *pNext = NULL;
int32_t newSize = pObj->capacity << 1U;
int32_t newSize = pHashObj->capacity << 1U;
if (newSize > HASH_MAX_CAPACITY) {
pTrace("current capacity:%d, maximum capacity:%d, no resize applied due to limitation is reached", pObj->capacity,
pTrace("current capacity:%d, maximum capacity:%d, no resize applied due to limitation is reached", pHashObj->capacity,
HASH_MAX_CAPACITY);
return;
}
int64_t st = taosGetTimestampUs();
SHashEntry **pNewEntry = realloc(pObj->hashList, sizeof(SHashEntry*) * newSize);
SHashEntry **pNewEntry = realloc(pHashObj->hashList, sizeof(SHashEntry*) * newSize);
if (pNewEntry == NULL) {
pTrace("cache resize failed due to out of memory, capacity remain:%d", pObj->capacity);
pTrace("cache resize failed due to out of memory, capacity remain:%d", pHashObj->capacity);
return;
}
pObj->hashList = pNewEntry;
for(int32_t i = pObj->capacity; i < newSize; ++i) {
pObj->hashList[i] = calloc(1, sizeof(SHashEntry));
pHashObj->hashList = pNewEntry;
for(int32_t i = pHashObj->capacity; i < newSize; ++i) {
pHashObj->hashList[i] = calloc(1, sizeof(SHashEntry));
}
pObj->capacity = newSize;
pHashObj->capacity = newSize;
for (int32_t i = 0; i < pObj->capacity; ++i) {
SHashEntry *pEntry = pObj->hashList[i];
for (int32_t i = 0; i < pHashObj->capacity; ++i) {
SHashEntry *pEntry = pHashObj->hashList[i];
pNode = pEntry->next;
if (pNode != NULL) {
@ -173,7 +184,7 @@ static void taosHashTableResize(HashObj *pObj) {
}
while (pNode) {
int32_t j = HASH_INDEX(pNode->hashVal, pObj->capacity);
int32_t j = HASH_INDEX(pNode->hashVal, pHashObj->capacity);
if (j == i) { // this key resides in the same slot, no need to relocate it
pNode = pNode->next;
} else {
@ -199,7 +210,7 @@ static void taosHashTableResize(HashObj *pObj) {
pNode->next = NULL;
pNode->prev1 = NULL;
SHashEntry *pNewIndexEntry = pObj->hashList[j];
SHashEntry *pNewIndexEntry = pHashObj->hashList[j];
if (pNewIndexEntry->next != NULL) {
assert(pNewIndexEntry->next->prev1 == pNewIndexEntry);
@ -221,8 +232,8 @@ static void taosHashTableResize(HashObj *pObj) {
int64_t et = taosGetTimestampUs();
pTrace("hash table resize completed, new capacity:%d, load factor:%f, elapsed time:%fms", pObj->capacity,
((double)pObj->size) / pObj->capacity, (et - st) / 1000.0);
pTrace("hash table resize completed, new capacity:%d, load factor:%f, elapsed time:%fms", pHashObj->capacity,
((double)pHashObj->size) / pHashObj->capacity, (et - st) / 1000.0);
}
/**
@ -230,43 +241,51 @@ static void taosHashTableResize(HashObj *pObj) {
* @param fn hash function
* @return
*/
void *taosInitHashTable(uint32_t capacity, _hash_fn_t fn, bool multithreadSafe) {
SHashObj *taosHashInit(size_t capacity, _hash_fn_t fn, bool threadsafe) {
if (capacity == 0 || fn == NULL) {
return NULL;
}
HashObj *pObj = (HashObj *)calloc(1, sizeof(HashObj));
if (pObj == NULL) {
SHashObj *pHashObj = (SHashObj *)calloc(1, sizeof(SHashObj));
if (pHashObj == NULL) {
pError("failed to allocate memory, reason:%s", strerror(errno));
return NULL;
}
// the max slots is not defined by user
pObj->capacity = taosHashCapacity(capacity);
assert((pObj->capacity & (pObj->capacity - 1)) == 0);
pHashObj->capacity = taosHashCapacity(capacity);
assert((pHashObj->capacity & (pHashObj->capacity - 1)) == 0);
pObj->hashFp = fn;
pHashObj->hashFp = fn;
pObj->hashList = (SHashEntry **)calloc(pObj->capacity, sizeof(SHashEntry*));
if (pObj->hashList == NULL) {
free(pObj);
pHashObj->hashList = (SHashEntry **)calloc(pHashObj->capacity, sizeof(SHashEntry*));
if (pHashObj->hashList == NULL) {
free(pHashObj);
pError("failed to allocate memory, reason:%s", strerror(errno));
return NULL;
}
for(int32_t i = 0; i < pObj->capacity; ++i) {
pObj->hashList[i] = calloc(1, sizeof(SHashEntry));
for(int32_t i = 0; i < pHashObj->capacity; ++i) {
pHashObj->hashList[i] = calloc(1, sizeof(SHashEntry));
}
if (multithreadSafe && (__lock_init(pObj) != 0)) {
free(pObj->hashList);
free(pObj);
if (threadsafe) {
#if defined(LINUX)
pHashObj->lock = calloc(1, sizeof(pthread_rwlock_t));
#else
pHashObj->lock = calloc(1, sizeof(pthread_mutex_t));
#endif
}
if (__lock_init(pHashObj->lock) != 0) {
free(pHashObj->hashList);
free(pHashObj);
pError("failed to init lock, reason:%s", strerror(errno));
return NULL;
}
return (void *)pObj;
return pHashObj;
}
/**
@ -277,7 +296,7 @@ void *taosInitHashTable(uint32_t capacity, _hash_fn_t fn, bool multithreadSafe)
* @param size size of block
* @return SHashNode
*/
static SHashNode *doCreateHashNode(const char *key, uint32_t keyLen, const char *pData, size_t dataSize,
static SHashNode *doCreateHashNode(const char *key, size_t keyLen, const char *pData, size_t dataSize,
uint32_t hashVal) {
size_t totalSize = dataSize + sizeof(SHashNode) + keyLen;
@ -298,7 +317,7 @@ static SHashNode *doCreateHashNode(const char *key, uint32_t keyLen, const char
return pNewNode;
}
static SHashNode *doUpdateHashNode(SHashNode *pNode, const char *key, uint32_t keyLen, const char *pData,
static SHashNode *doUpdateHashNode(SHashNode *pNode, const char *key, size_t keyLen, const char *pData,
size_t dataSize) {
size_t size = dataSize + sizeof(SHashNode) + keyLen;
@ -320,14 +339,14 @@ static SHashNode *doUpdateHashNode(SHashNode *pNode, const char *key, uint32_t k
/**
* insert the hash node at the front of the linked list
*
* @param pObj
* @param pHashObj
* @param pNode
*/
static void doAddToHashTable(HashObj *pObj, SHashNode *pNode) {
static void doAddToHashTable(SHashObj *pHashObj, SHashNode *pNode) {
assert(pNode != NULL);
int32_t index = HASH_INDEX(pNode->hashVal, pObj->capacity);
SHashEntry *pEntry = pObj->hashList[index];
int32_t index = HASH_INDEX(pNode->hashVal, pHashObj->capacity);
SHashEntry *pEntry = pHashObj->hashList[index];
pNode->next = pEntry->next;
@ -339,74 +358,60 @@ static void doAddToHashTable(HashObj *pObj, SHashNode *pNode) {
pNode->prev1 = pEntry;
pEntry->num++;
pObj->size++;
pHashObj->size++;
}
int32_t taosNumElemsInHashTable(HashObj *pObj) {
if (pObj == NULL) {
size_t taosHashGetSize(const SHashObj *pHashObj) {
if (pHashObj == NULL) {
return 0;
}
return pObj->size;
return pHashObj->size;
}
/**
* add data node into hash table
* @param pObj hash object
* @param pHashObj hash object
* @param pNode hash node
*/
int32_t taosAddToHashTable(HashObj *pObj, const char *key, uint32_t keyLen, void *data, uint32_t size) {
if (pObj->multithreadSafe) {
__wr_lock(&pObj->lock);
}
int32_t taosHashPut(SHashObj *pHashObj, const char *key, size_t keyLen, void *data, size_t size) {
__wr_lock(pHashObj->lock);
uint32_t hashVal = 0;
SHashNode *pNode = doGetNodeFromHashTable(pObj, key, keyLen, &hashVal);
SHashNode *pNode = doGetNodeFromHashTable(pHashObj, key, keyLen, &hashVal);
if (pNode == NULL) { // no data in hash table with the specified key, add it into hash table
taosHashTableResize(pObj);
taosHashTableResize(pHashObj);
SHashNode *pNewNode = doCreateHashNode(key, keyLen, data, size, hashVal);
if (pNewNode == NULL) {
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
}
__unlock(pHashObj->lock);
return -1;
}
doAddToHashTable(pObj, pNewNode);
doAddToHashTable(pHashObj, pNewNode);
} else {
SHashNode *pNewNode = doUpdateHashNode(pNode, key, keyLen, data, size);
if (pNewNode == NULL) {
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
}
__unlock(pHashObj->lock);
return -1;
}
doUpdateHashTable(pObj, pNewNode);
}
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
doUpdateHashTable(pHashObj, pNewNode);
}
__unlock(pHashObj->lock);
return 0;
}
char *taosGetDataFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen) {
if (pObj->multithreadSafe) {
__rd_lock(&pObj->lock);
}
void *taosHashGet(SHashObj *pHashObj, const char *key, size_t keyLen) {
__rd_lock(pHashObj->lock);
uint32_t hashVal = 0;
SHashNode *pNode = doGetNodeFromHashTable(pObj, key, keyLen, &hashVal);
SHashNode *pNode = doGetNodeFromHashTable(pHashObj, key, keyLen, &hashVal);
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
}
__unlock(pHashObj->lock);
if (pNode != NULL) {
assert(pNode->hashVal == hashVal);
@ -419,29 +424,24 @@ char *taosGetDataFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen)
/**
* remove node in hash list
* @param pObj
* @param pHashObj
* @param pNode
*/
void taosDeleteFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen) {
if (pObj->multithreadSafe) {
__wr_lock(&pObj->lock);
}
void taosHashRemove(SHashObj *pHashObj, const char *key, size_t keyLen) {
__wr_lock(pHashObj->lock);
uint32_t val = 0;
SHashNode *pNode = doGetNodeFromHashTable(pObj, key, keyLen, &val);
SHashNode *pNode = doGetNodeFromHashTable(pHashObj, key, keyLen, &val);
if (pNode == NULL) {
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
}
__unlock(pHashObj->lock);
return;
}
SHashNode *pNext = pNode->next;
if (pNode->prev != NULL) {
int32_t slot = HASH_INDEX(val, pObj->capacity);
if (pObj->hashList[slot]->next == pNode) {
pObj->hashList[slot]->next = pNext;
int32_t slot = HASH_INDEX(val, pHashObj->capacity);
if (pHashObj->hashList[slot]->next == pNode) {
pHashObj->hashList[slot]->next = pNext;
} else {
pNode->prev->next = pNext;
}
@ -451,11 +451,12 @@ void taosDeleteFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen) {
pNext->prev = pNode->prev;
}
uint32_t index = HASH_INDEX(pNode->hashVal, pObj->capacity);
SHashEntry *pEntry = pObj->hashList[index];
uint32_t index = HASH_INDEX(pNode->hashVal, pHashObj->capacity);
SHashEntry *pEntry = pHashObj->hashList[index];
pEntry->num--;
pObj->size--;
pHashObj->size--;
pNode->next = NULL;
pNode->prev = NULL;
@ -463,24 +464,21 @@ void taosDeleteFromHashTable(HashObj *pObj, const char *key, uint32_t keyLen) {
pTrace("key:%s %p remove from hash table", pNode->key, pNode);
tfree(pNode);
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
}
__unlock(pHashObj->lock);
}
void taosCleanUpHashTable(void *handle) {
HashObj *pObj = (HashObj *)handle;
if (pObj == NULL || pObj->capacity <= 0) return;
void taosHashCleanup(SHashObj *pHashObj) {
if (pHashObj == NULL || pHashObj->capacity <= 0) {
return;
}
SHashNode *pNode, *pNext;
if (pObj->multithreadSafe) {
__wr_lock(&pObj->lock);
}
__wr_lock(pHashObj->lock);
if (pObj->hashList) {
for (int32_t i = 0; i < pObj->capacity; ++i) {
SHashEntry *pEntry = pObj->hashList[i];
if (pHashObj->hashList) {
for (int32_t i = 0; i < pHashObj->capacity; ++i) {
SHashEntry *pEntry = pHashObj->hashList[i];
pNode = pEntry->next;
while (pNode) {
@ -492,28 +490,26 @@ void taosCleanUpHashTable(void *handle) {
tfree(pEntry);
}
free(pObj->hashList);
free(pHashObj->hashList);
}
if (pObj->multithreadSafe) {
__unlock(&pObj->lock);
__lock_destroy(&pObj->lock);
}
__unlock(pHashObj->lock);
__lock_destroy(pHashObj->lock);
memset(pObj, 0, sizeof(HashObj));
free(pObj);
memset(pHashObj, 0, sizeof(SHashObj));
free(pHashObj);
}
// for profile only
int32_t taosGetHashMaxOverflowLength(HashObj* pObj) {
if (pObj == NULL || pObj->size == 0) {
int32_t taosHashGetMaxOverflowLinkLength(const SHashObj* pHashObj) {
if (pHashObj == NULL || pHashObj->size == 0) {
return 0;
}
int32_t num = 0;
for(int32_t i = 0; i < pObj->size; ++i) {
SHashEntry *pEntry = pObj->hashList[i];
for(int32_t i = 0; i < pHashObj->size; ++i) {
SHashEntry *pEntry = pHashObj->hashList[i];
if (num < pEntry->num) {
num = pEntry->num;
}

2
src/util/src/thashutil.c
View File

@ -7,8 +7,8 @@
* MurmurHash algorithm
*
*/
#include "hashfunc.h"
#include "tutil.h"
#include "hashutil.h"
#define ROTL32(x, r) ((x) << (r) | (x) >> (32 - (r)))

4
src/vnode/detail/inc/vnodeQueryImpl.h
View File

@ -23,7 +23,7 @@ extern "C" {
#include "os.h"
#include "hash.h"
#include "hashutil.h"
#include "hashfunc.h"
#define GET_QINFO_ADDR(x) ((char*)(x)-offsetof(SQInfo, query))
#define Q_STATUS_EQUAL(p, s) (((p) & (s)) != 0)
@ -119,7 +119,7 @@ typedef enum {
typedef int (*__block_search_fn_t)(char* data, int num, int64_t key, int order);
static FORCE_INLINE SMeterObj* getMeterObj(void* hashHandle, int32_t sid) {
return *(SMeterObj**)taosGetDataFromHashTable(hashHandle, (const char*)&sid, sizeof(sid));
return *(SMeterObj**)taosHashGet(hashHandle, (const char*)&sid, sizeof(sid));
}
bool isQueryKilled(SQuery* pQuery);

24
src/vnode/detail/src/vnodeQueryImpl.c
View File

@ -14,7 +14,7 @@
*/
#include "hash.h"
#include "hashutil.h"
#include "hashfunc.h"
#include "os.h"
#include "taosmsg.h"
#include "textbuffer.h"
@ -1460,7 +1460,7 @@ static SWindowResult *doSetTimeWindowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SWin
int16_t bytes) {
SQuery *pQuery = pRuntimeEnv->pQuery;
int32_t *p1 = (int32_t *)taosGetDataFromHashTable(pWindowResInfo->hashList, pData, bytes);
int32_t *p1 = (int32_t *)taosHashGet(pWindowResInfo->hashList, pData, bytes);
if (p1 != NULL) {
pWindowResInfo->curIndex = *p1;
} else { // more than the capacity, reallocate the resources
@ -1485,7 +1485,7 @@ static SWindowResult *doSetTimeWindowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SWin
// add a new result set for a new group
pWindowResInfo->curIndex = pWindowResInfo->size++;
taosAddToHashTable(pWindowResInfo->hashList, pData, bytes, (char *)&pWindowResInfo->curIndex, sizeof(int32_t));
taosHashPut(pWindowResInfo->hashList, pData, bytes, (char *)&pWindowResInfo->curIndex, sizeof(int32_t));
}
return getWindowResult(pWindowResInfo, pWindowResInfo->curIndex);
@ -2018,7 +2018,7 @@ int32_t initWindowResInfo(SWindowResInfo *pWindowResInfo, SQueryRuntimeEnv *pRun
pWindowResInfo->type = type;
_hash_fn_t fn = taosGetDefaultHashFunction(type);
pWindowResInfo->hashList = taosInitHashTable(threshold, fn, false);
pWindowResInfo->hashList = taosHashInit(threshold, fn, false);
pWindowResInfo->curIndex = -1;
pWindowResInfo->size = 0;
@ -2044,7 +2044,7 @@ void cleanupTimeWindowInfo(SWindowResInfo *pWindowResInfo, SQueryRuntimeEnv *pRu
destroyTimeWindowRes(pResult, pRuntimeEnv->pQuery->numOfOutputCols);
}
taosCleanUpHashTable(pWindowResInfo->hashList);
taosHashCleanup(pWindowResInfo->hashList);
tfree(pWindowResInfo->pResult);
}
@ -2059,11 +2059,11 @@ void resetTimeWindowInfo(SQueryRuntimeEnv *pRuntimeEnv, SWindowResInfo *pWindowR
}
pWindowResInfo->curIndex = -1;
taosCleanUpHashTable(pWindowResInfo->hashList);
taosHashCleanup(pWindowResInfo->hashList);
pWindowResInfo->size = 0;
_hash_fn_t fn = taosGetDefaultHashFunction(pWindowResInfo->type);
pWindowResInfo->hashList = taosInitHashTable(pWindowResInfo->capacity, fn, false);
pWindowResInfo->hashList = taosHashInit(pWindowResInfo->capacity, fn, false);
pWindowResInfo->startTime = 0;
pWindowResInfo->prevSKey = 0;
@ -2081,7 +2081,7 @@ void clearFirstNTimeWindow(SQueryRuntimeEnv *pRuntimeEnv, int32_t num) {
for (int32_t i = 0; i < num; ++i) {
SWindowResult *pResult = &pWindowResInfo->pResult[i];
if (pResult->status.closed) { // remove the window slot from hash table
taosDeleteFromHashTable(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE);
taosHashRemove(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE);
} else {
break;
}
@ -2104,14 +2104,14 @@ void clearFirstNTimeWindow(SQueryRuntimeEnv *pRuntimeEnv, int32_t num) {
for (int32_t k = 0; k < pWindowResInfo->size; ++k) {
SWindowResult *pResult = &pWindowResInfo->pResult[k];
int32_t *p = (int32_t *)taosGetDataFromHashTable(pWindowResInfo->hashList, (const char *)&pResult->window.skey,
int32_t *p = (int32_t *)taosHashGet(pWindowResInfo->hashList, (const char *)&pResult->window.skey,
TSDB_KEYSIZE);
int32_t v = (*p - num);
assert(v >= 0 && v <= pWindowResInfo->size);
// todo add the update function for hash table
taosDeleteFromHashTable(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE);
taosAddToHashTable(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE, (char *)&v,
taosHashRemove(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE);
taosHashPut(pWindowResInfo->hashList, (const char *)&pResult->window.skey, TSDB_KEYSIZE, (char *)&v,
sizeof(int32_t));
}
@ -4812,7 +4812,7 @@ void vnodeQueryFreeQInfoEx(SQInfo *pQInfo) {
tfree(pSupporter->pMeterSidExtInfo);
if (pSupporter->pMetersHashTable != NULL) {
taosCleanUpHashTable(pSupporter->pMetersHashTable);
taosHashCleanup(pSupporter->pMetersHashTable);
pSupporter->pMetersHashTable = NULL;
}

12
src/vnode/detail/src/vnodeRead.c
View File

@ -16,6 +16,8 @@
#define _DEFAULT_SOURCE
#include "os.h"
#include "hash.h"
#include "hashfunc.h"
#include "ihash.h"
#include "taosmsg.h"
#include "tast.h"
@ -25,8 +27,6 @@
#include "vnode.h"
#include "vnodeRead.h"
#include "vnodeUtil.h"
#include "hash.h"
#include "hashutil.h"
int (*pQueryFunc[])(SMeterObj *, SQuery *) = {vnodeQueryFromCache, vnodeQueryFromFile};
@ -651,8 +651,8 @@ void *vnodeQueryOnSingleTable(SMeterObj **pMetersObj, SSqlGroupbyExpr *pGroupbyE
STableQuerySupportObj *pSupporter = (STableQuerySupportObj *)calloc(1, sizeof(STableQuerySupportObj));
pSupporter->numOfMeters = 1;
pSupporter->pMetersHashTable = taosInitHashTable(pSupporter->numOfMeters, taosIntHash_32, false);
taosAddToHashTable(pSupporter->pMetersHashTable, (const char*) &pMetersObj[0]->sid, sizeof(pMeterObj[0].sid),
pSupporter->pMetersHashTable = taosHashInit(pSupporter->numOfMeters, taosIntHash_32, false);
taosHashPut(pSupporter->pMetersHashTable, (const char*) &pMetersObj[0]->sid, sizeof(pMeterObj[0].sid),
(char *)&pMetersObj[0], POINTER_BYTES);
pSupporter->pSidSet = NULL;
@ -742,9 +742,9 @@ void *vnodeQueryOnMultiMeters(SMeterObj **pMetersObj, SSqlGroupbyExpr *pGroupbyE
STableQuerySupportObj *pSupporter = (STableQuerySupportObj *)calloc(1, sizeof(STableQuerySupportObj));
pSupporter->numOfMeters = pQueryMsg->numOfSids;
pSupporter->pMetersHashTable = taosInitHashTable(pSupporter->numOfMeters, taosIntHash_32, false);
pSupporter->pMetersHashTable = taosHashInit(pSupporter->numOfMeters, taosIntHash_32, false);
for (int32_t i = 0; i < pSupporter->numOfMeters; ++i) {
taosAddToHashTable(pSupporter->pMetersHashTable, (const char*) &pMetersObj[i]->sid, sizeof(pMetersObj[i]->sid), (char *)&pMetersObj[i],
taosHashPut(pSupporter->pMetersHashTable, (const char*) &pMetersObj[i]->sid, sizeof(pMetersObj[i]->sid), (char *)&pMetersObj[i],
POINTER_BYTES);
}

8
src/vnode/tsdb/src/tsdbMeta.c
View File

@ -32,7 +32,7 @@ STsdbMeta *tsdbCreateMeta(int32_t maxTables) {
return NULL;
}
pMeta->tableMap = taosInitHashTable(maxTables + maxTables / 10, taosGetDefaultHashFunction, false);
pMeta->tableMap = taosHashInit(maxTables + maxTables / 10, taosGetDefaultHashFunction, false);
if (pMeta->tableMap == NULL) {
free(pMeta->tables);
free(pMeta);
@ -60,7 +60,7 @@ int32_t tsdbFreeMeta(STsdbMeta *pMeta) {
tsdbFreeTable(pTemp);
}
taosCleanUpHashTable(pMeta->tableMap);
taosHashCleanup(pMeta->tableMap);
free(pMeta);
@ -205,7 +205,7 @@ static int32_t tsdbCheckTableCfg(STableCfg *pCfg) {
}
STable *tsdbGetTableByUid(STsdbMeta *pMeta, int64_t uid) {
void *ptr = taosGetDataFromHashTable(pMeta->tableMap, (char *)(&uid), sizeof(uid));
void *ptr = taosHashGet(pMeta->tableMap, (char *)(&uid), sizeof(uid));
if (ptr == NULL) return NULL;
@ -244,7 +244,7 @@ static int tsdbRemoveTableFromMeta(STsdbMeta *pMeta, STable *pTable) {
static int tsdbAddTableIntoMap(STsdbMeta *pMeta, STable *pTable) {
// TODO: add the table to the map
int64_t uid = pTable->tableId.uid;
if (taosAddToHashTable(pMeta->tableMap, (char *)(&uid), sizeof(uid), (void *)(&pTable), sizeof(pTable)) < 0) {
if (taosHashPut(pMeta->tableMap, (char *)(&uid), sizeof(uid), (void *)(&pTable), sizeof(pTable)) < 0) {
return -1;
}
return 0;