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[TD-2055]<fix>: core dump in wildcard query

This commit is contained in:
Bomin Zhang 2020-11-11 14:31:44 +08:00
parent 9e663ecd84
commit e9f848f635
1 changed files with 2 additions and 1 deletions
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3
src/tsdb/src/tsdbRead.c
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@ -2348,7 +2348,8 @@ void filterPrepare(void* expr, void* param) {
if (size < (uint32_t)pSchema->bytes) {
size = pSchema->bytes;
}
pInfo->q = calloc(1, size + TSDB_NCHAR_SIZE); // to make sure tonchar does not cause invalid write, since the '\0' needs at least sizeof(wchar_t) space.
// to make sure tonchar does not cause invalid write, since the '\0' needs at least sizeof(wchar_t) space.
pInfo->q = calloc(1, size + TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE);
tVariantDump(pCond, pInfo->q, pSchema->type, true);
}
}