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[TD-4034]restore last not NULL column

This commit is contained in:
lichuang 2021-05-18 19:50:35 +08:00
parent cad6e7ec51
commit 6f202d270e
1 changed files with 13 additions and 2 deletions
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15
src/tsdb/src/tsdbMain.c
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@ -652,7 +652,8 @@ static int restoreLastColumns(STsdbRepo *pRepo, STable *pTable, SReadH* pReadh)
}
memset(pBlockStatis, 0, numColumns * sizeof(SDataStatis));
for(int32_t i = 0; i < numColumns; ++i) {
pBlockStatis[i].colId = i;
STColumn *pCol = schemaColAt(pSchema, i);
pBlockStatis[i].colId = pCol->colId;
}
// load block from backward
@ -678,6 +679,17 @@ static int restoreLastColumns(STsdbRepo *pRepo, STable *pTable, SReadH* pReadh)
}
for (uint32_t colId = 0; colId < numColumns && numColumns > pTable->restoreColumnNum; ++colId) {
STColumn *pCol = schemaColAt(pSchema, colId);
if (colId >= pTable->lastColNum) {
pTable->lastCols = realloc(pTable->lastCols, colId + 5);
for (int m = 0; m < 5; ++m) {
pTable->lastCols[m + pTable->lastColNum].bytes = 0;
pTable->lastCols[m + pTable->lastColNum].pData = NULL;
}
pTable->lastColNum += colId + 5;
}
// ignore loaded columns
if (pTable->lastCols[colId].bytes != 0) {
continue;
@ -689,7 +701,6 @@ static int restoreLastColumns(STsdbRepo *pRepo, STable *pTable, SReadH* pReadh)
}
// OK,let's load row from backward to get not-null column
STColumn *pCol = schemaColAt(pSchema, colId);
for (int32_t rowId = pBlock->numOfRows - 1; rowId >= 0; rowId--) {
SDataCol *pDataCol = pReadh->pDCols[0]->cols + colId;
tdAppendColVal(row, tdGetColDataOfRow(pDataCol, rowId), pCol->type, pCol->bytes, pCol->offset);