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rerfactor: remove unused code.

This commit is contained in:
Haojun Liao 2022-12-30 17:42:20 +08:00
parent 79227057e4
commit dbc3dd97bb
1 changed files with 2 additions and 40 deletions
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42
source/util/src/tcompression.c
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@ -273,45 +273,7 @@ int32_t tsDecompressINTImp(const char *const input, const int32_t nelements, cha
char bit = bit_per_integer[(int32_t)selector]; // bit = 3
int32_t elems = selector_to_elems[(int32_t)selector];
#if 0
for (int32_t i = 0; i < elems; i++) {
uint64_t zigzag_value;
if (selector == 0 || selector == 1) {
zigzag_value = 0;
} else {
zigzag_value = ((w >> (4 + bit * i)) & INT64MASK(bit));
}
int64_t diff = ZIGZAG_DECODE(int64_t, zigzag_value);
int64_t curr_value = diff + prev_value;
prev_value = curr_value;
switch (type) {
case TSDB_DATA_TYPE_BIGINT:
*((int64_t *)output + _pos) = (int64_t)curr_value;
_pos++;
break;
case TSDB_DATA_TYPE_INT:
*((int32_t *)output + _pos) = (int32_t)curr_value;
_pos++;
break;
case TSDB_DATA_TYPE_SMALLINT:
*((int16_t *)output + _pos) = (int16_t)curr_value;
_pos++;
break;
case TSDB_DATA_TYPE_TINYINT:
*((int8_t *)output + _pos) = (int8_t)curr_value;
_pos++;
break;
default:
perror("Wrong integer types.\n");
return -1;
}
count++;
if (count == nelements) break;
}
#endif
// Optimize the performance, by remove the constantly switch operation.
int32_t v = 0;
uint64_t zigzag_value;
@ -844,7 +806,7 @@ int32_t tsDecompressDoubleImp(const char *const input, const int32_t nelements,
uint64_t prev_value = 0;
for (int32_t i = 0; i < nelements; i++) {
if (i % 2 == 0) {
if ((i & 0x01) == 0) {
flags = input[ipos++];
}