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feat: vnode multi-version

This commit is contained in:
Hongze Cheng 2022-05-31 13:14:30 +00:00
parent 73cbc6f717
commit 874a29d3eb
1 changed files with 16 additions and 5 deletions
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21
source/dnode/vnode/src/tsdb/tsdbMemTable2.c
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@ -38,7 +38,6 @@ struct SMemData {
tb_uid_t uid;
TSDBKEY minKey;
TSDBKEY maxKey;
int64_t nRows;
SDelOp *delOpHead;
SDelOp *delOpTail;
SMemSkipList sl;
@ -59,6 +58,9 @@ struct SMemTable {
#define SL_NODE_BACKWARD(n, l) ((n)->forwards[(n)->level + (l)])
#define SL_NODE_DATA(n) (&SL_NODE_BACKWARD(n, (n)->level))
#define SL_HEAD_FORWARD(sl, l) SL_NODE_FORWARD((sl)->pHead, l)
#define SL_TAIL_BACKWARD(sl, l) SL_NODE_FORWARD((sl)->pTail, l)
static int32_t tsdbGetOrCreateMemData(SMemTable *pMemTable, tb_uid_t suid, tb_uid_t uid, SMemData **ppMemData);
static int memDataPCmprFn(const void *p1, const void *p2);
static int32_t tPutTSDBRow(uint8_t *p, TSDBROW *pRow);
@ -144,8 +146,6 @@ int32_t tsdbInsertTableData2(STsdb *pTsdb, int64_t version, SVSubmitBlk *pSubmit
// put the node (todo)
pMemData->nRows++;
// set info
if (tsdbKeyCmprFn(&row, &pMemData->minKey) < 0) pMemData->minKey = *(TSDBKEY *)&row;
if (tsdbKeyCmprFn(&row, &pMemData->maxKey) > 0) pMemData->maxKey = *(TSDBKEY *)&row;
@ -217,6 +217,7 @@ static int32_t tsdbGetOrCreateMemData(SMemTable *pMemTable, tb_uid_t suid, tb_ui
SMemData *pMemDataT = &(SMemData){.suid = suid, .uid = uid};
SMemData *pMemData = NULL;
SVBufPool *pPool = pMemTable->pTsdb->pVnode->inUse;
int8_t maxLevel = pMemTable->pTsdb->pVnode->config.tsdbCfg.slLevel;
// get
idx = taosArraySearchIdx(pMemTable->pArray, &pMemDataT, memDataPCmprFn, TD_GE);
@ -226,7 +227,7 @@ static int32_t tsdbGetOrCreateMemData(SMemTable *pMemTable, tb_uid_t suid, tb_ui
}
// create
pMemData = vnodeBufPoolMalloc(pPool, sizeof(*pMemData));
pMemData = vnodeBufPoolMalloc(pPool, sizeof(*pMemData) + SL_NODE_HALF_SIZE(maxLevel) * 2);
if (pMemData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
@ -235,8 +236,18 @@ static int32_t tsdbGetOrCreateMemData(SMemTable *pMemTable, tb_uid_t suid, tb_ui
pMemData->uid = uid;
pMemData->minKey = (TSDBKEY){.version = INT64_MAX, .ts = TSKEY_MAX};
pMemData->maxKey = (TSDBKEY){.version = -1, .ts = TSKEY_MIN};
pMemData->nRows = 0;
pMemData->delOpHead = pMemData->delOpTail = NULL;
pMemData->sl.seed = taosRand();
pMemData->sl.size = 0;
pMemData->sl.maxLevel = maxLevel;
pMemData->sl.level = 0;
pMemData->sl.pHead = (SMemSkipListNode *)&pMemData[1];
pMemData->sl.pTail = (SMemSkipListNode *)POINTER_SHIFT(pMemData->sl.pHead, SL_NODE_HALF_SIZE(maxLevel));
for (int8_t iLevel = 0; iLevel < pMemData->sl.maxLevel; iLevel++) {
SL_HEAD_FORWARD(&pMemData->sl, iLevel) = pMemData->sl.pTail;
SL_TAIL_BACKWARD(&pMemData->sl, iLevel) = pMemData->sl.pHead;
}
if (idx < 0) idx = 0;
if (taosArrayInsert(pMemTable->pArray, idx, &pMemData) == NULL) {