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refactor: do some internal refactor.

This commit is contained in:
Haojun Liao 2022-09-01 15:19:59 +08:00
parent e65927bc5b
commit cdeca85e31
1 changed files with 16 additions and 20 deletions
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36
source/dnode/vnode/src/tsdb/tsdbMergeTree.c
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@ -189,6 +189,7 @@ bool tLDataIterNextRow(SLDataIter *pIter) {
}
int32_t iBlockL = pIter->iBlockL;
if (pIter->bData.nRow == 0 && pIter->pBlockL != NULL) { // current block not loaded yet
code = tsdbReadLastBlockEx(pIter->pReader, pIter->iLast, pIter->pBlockL, &pIter->bData);
if (code != TSDB_CODE_SUCCESS) {
@ -199,30 +200,25 @@ bool tLDataIterNextRow(SLDataIter *pIter) {
}
pIter->iRow += step;
findNextValidRow(pIter);
if (pIter->iRow >= pIter->bData.nRow || pIter->iRow < 0) {
tLDataIterNextBlock(pIter);
if (pIter->pBlockL == NULL) { // no more data
goto _exit;
while(1) {
findNextValidRow(pIter);
if (pIter->iRow >= pIter->bData.nRow || pIter->iRow < 0) {
tLDataIterNextBlock(pIter);
if (pIter->pBlockL == NULL) { // no more data
goto _exit;
}
} else {
break;
}
}
if (iBlockL != pIter->iBlockL) {
if (pIter->pBlockL) {
if (iBlockL != pIter->iBlockL) {
code = tsdbReadLastBlockEx(pIter->pReader, pIter->iLast, pIter->pBlockL, &pIter->bData);
if (code) {
goto _exit;
}
pIter->iRow = pIter->backward? (pIter->bData.nRow-1):0;
findNextValidRow(pIter);
if (pIter->iRow >= pIter->bData.nRow || pIter->iRow < 0) {
// todo try next block
}
} else {
// no more data
goto _exit;
pIter->iRow = pIter->backward ? (pIter->bData.nRow - 1) : 0;
}
}
@ -232,10 +228,10 @@ bool tLDataIterNextRow(SLDataIter *pIter) {
_exit:
if (code != TSDB_CODE_SUCCESS) {
return false;
} else {
return pIter->pBlockL != NULL;
terrno = code;
}
return (code == TSDB_CODE_SUCCESS) && (pIter->pBlockL != NULL);
}
SRowInfo *tLDataIterGet(SLDataIter *pIter) {