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increase memory allocation by 1.5 during parse sml kv pairs

This commit is contained in:
shenglian zhou 2021-07-16 10:56:11 +08:00
parent 83a66e1e33
commit 76fc259bd0
1 changed files with 21 additions and 10 deletions
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31
src/client/src/tscParseLineProtocol.c
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@ -1400,7 +1400,7 @@ static int32_t convertSmlTimeStamp(TAOS_SML_KV *pVal, char *value,
if (ret) {
return ret;
}
tscDebug("Timestamp after conversion:%"PRId64"\n", tsVal);
tscDebug("Timestamp after conversion:%"PRId64, tsVal);
pVal->type = TSDB_DATA_TYPE_TIMESTAMP;
pVal->length = (int16_t)tDataTypes[pVal->type].bytes;
@ -1582,14 +1582,16 @@ static int32_t parseSmlKvPairs(TAOS_SML_KV **pKVs, int *num_kvs,
TAOS_SML_KV *pkv;
bool is_last_kv = false;
int32_t capacity = 0;
if (isField) {
//leave space for timestamp
*pKVs = calloc(2, sizeof(TAOS_SML_KV));
capacity = 64;
*pKVs = calloc(capacity, sizeof(TAOS_SML_KV));
// leave space for timestamp;
pkv = *pKVs;
pkv++;
}
else {
*pKVs = calloc(1, sizeof(TAOS_SML_KV));
} else {
capacity = 8;
*pKVs = calloc(capacity, sizeof(TAOS_SML_KV));
pkv = *pKVs;
}
@ -1613,11 +1615,19 @@ static int32_t parseSmlKvPairs(TAOS_SML_KV **pKVs, int *num_kvs,
//reallocate addtional memory for more kvs
TAOS_SML_KV *more_kvs = NULL;
if (isField) {
more_kvs = realloc(*pKVs, (*num_kvs + 2) * sizeof(TAOS_SML_KV));
if ((*num_kvs + 2) > capacity) {
capacity *= 3; capacity /= 2;
}
more_kvs = realloc(*pKVs, capacity * sizeof(TAOS_SML_KV));
} else {
more_kvs = realloc(*pKVs, (*num_kvs + 1) * sizeof(TAOS_SML_KV));
if ((*num_kvs + 1) > capacity) {
capacity *= 3; capacity /= 2;
}
more_kvs = realloc(*pKVs, capacity * sizeof(TAOS_SML_KV));
}
if (!more_kvs) {
goto error;
}
@ -1631,10 +1641,10 @@ static int32_t parseSmlKvPairs(TAOS_SML_KV **pKVs, int *num_kvs,
}
goto done;
error:
error:
free(*pKVs);
return ret;
done:
done:
*index = cur;
return ret;
}
@ -1707,6 +1717,7 @@ int32_t tscParseLine(const char* sql, TAOS_SML_DATA_POINT* smlData) {
tscDebug("No child table name in tags");
}
removeChildTableNameFromTags(&smlData);
}
tscDebug("Parse tags finished, num of tags:%d", smlData->tagNum);