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subscribe: minor improvement 

revise progress persistent file format to reduce file size.
example: print out number of rows consumed
This commit is contained in:
localvar 2020-01-18 16:16:49 +08:00
parent 35976735df
commit 1f7a9e6764
2 changed files with 7 additions and 3 deletions
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4
src/client/src/tscSub.c
View File

@ -265,7 +265,7 @@ static int tscLoadSubscriptionProgress(SSub* pSub) {
return 0;
}
int64_t uid, key;
sscanf(buf, "uid=%" SCNd64 ",progress=%" SCNd64, &uid, &key);
sscanf(buf, "%" SCNd64 ":%" SCNd64, &uid, &key);
progress[i].uid = uid;
progress[i].key = key;
}
@ -300,7 +300,7 @@ void tscSaveSubscriptionProgress(void* sub) {
for (int i = 0; i < pSub->numOfMeters; i++) {
int64_t uid = pSub->progress[i].uid;
TSKEY key = pSub->progress[i].key;
fprintf(fp, "uid=%" PRId64 ",progress=%" PRId64 "\n", uid, key);
fprintf(fp, "%" PRId64 ":%" PRId64 "\n", uid, key);
}
fclose(fp);

6
tests/examples/c/subscribe.c
View File

@ -11,9 +11,10 @@ void print_result(TAOS_RES* res, int blockFetch) {
TAOS_ROW row = NULL;
int num_fields = taos_num_fields(res);
TAOS_FIELD* fields = taos_fetch_fields(res);
int nRows = 0;
if (blockFetch) {
int nRows = taos_fetch_block(res, &row);
nRows = taos_fetch_block(res, &row);
for (int i = 0; i < nRows; i++) {
char temp[256];
taos_print_row(temp, row + i, fields, num_fields);
@ -24,8 +25,11 @@ void print_result(TAOS_RES* res, int blockFetch) {
char temp[256];
taos_print_row(temp, row, fields, num_fields);
puts(temp);
nRows++;
}
}
printf("%d rows consumed.\n", nRows);
}