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fix bug

This commit is contained in:
dapan1121 2021-04-22 16:47:46 +08:00
parent 7199b01f3d
commit d4c024d779
1 changed files with 5 additions and 1 deletions
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6
tests/examples/c/apitest.c
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@ -435,11 +435,15 @@ void verify_async(TAOS* taos) {
} }
void stream_callback(void *param, TAOS_RES *res, TAOS_ROW row) { void stream_callback(void *param, TAOS_RES *res, TAOS_ROW row) {
if (res == NULL || row == NULL) {
return;
}
int num_fields = taos_num_fields(res); int num_fields = taos_num_fields(res);
TAOS_FIELD* fields = taos_fetch_fields(res); TAOS_FIELD* fields = taos_fetch_fields(res);
printf("got one row from stream_callback\n"); printf("got one row from stream_callback\n");
char temp[256]; char temp[256] = {0};
taos_print_row(temp, row, fields, num_fields); taos_print_row(temp, row, fields, num_fields);
puts(temp); puts(temp);
} }