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Merge pull request #6418 from jiaoqiyuan/develop 

[TD-6240] <fix>: init an array before used by `taos_fetch_row`
This commit is contained in:
haojun Liao 2021-06-09 13:33:03 +08:00 committed by GitHub
parent 81e3ec8dee e42a8bc633
commit 06ff862b28
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 8 additions and 11 deletions
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2
src/kit/taosdemo/taosdemo.c
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@ -1213,7 +1213,6 @@ static void fetchResult(TAOS_RES *res, threadInfo* pThreadInfo) {
}
int totalLen = 0;
char temp[16000];
// fetch the records row by row
while((row = taos_fetch_row(res))) {
@ -1224,6 +1223,7 @@ static void fetchResult(TAOS_RES *res, threadInfo* pThreadInfo) {
memset(databuf, 0, 100*1024*1024);
}
num_rows++;
char temp[16000] = {0};
int len = taos_print_row(temp, row, fields, num_fields);
len += sprintf(temp + len, "\n");
//printf("query result:%s\n", temp);

10
tests/examples/c/apitest.c
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@ -86,7 +86,7 @@ static int print_result(TAOS_RES* res, int blockFetch) {
}
} else {
while ((row = taos_fetch_row(res))) {
char temp[256];
char temp[256] = {0};
taos_print_row(temp, row, fields, num_fields);
puts(temp);
nRows++;
@ -391,10 +391,10 @@ void verify_prepare(TAOS* taos) {
int rows = 0;
int num_fields = taos_num_fields(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[256];
// fetch the records row by row
while ((row = taos_fetch_row(result))) {
char temp[256] = {0};
rows++;
taos_print_row(temp, row, fields, num_fields);
printf("%s\n", temp);
@ -614,10 +614,10 @@ void verify_prepare2(TAOS* taos) {
int rows = 0;
int num_fields = taos_num_fields(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[256];
// fetch the records row by row
while ((row = taos_fetch_row(result))) {
char temp[256] = {0};
rows++;
taos_print_row(temp, row, fields, num_fields);
printf("%s\n", temp);
@ -866,12 +866,10 @@ void verify_prepare3(TAOS* taos) {
int rows = 0;
int num_fields = taos_num_fields(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[256] = {0};
// fetch the records row by row
while ((row = taos_fetch_row(result))) {
memset(temp, 0, sizeof(temp)/sizeof(temp[0]));
char temp[256] = {0};
rows++;
taos_print_row(temp, row, fields, num_fields);
printf("%s\n", temp);

2
tests/examples/c/demo.c
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@ -116,12 +116,12 @@ void Test(TAOS *taos, char *qstr, int index) {
int rows = 0;
int num_fields = taos_field_count(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[1024];
printf("num_fields = %d\n", num_fields);
printf("select * from table, result:\n");
// fetch the records row by row
while ((row = taos_fetch_row(result))) {
char temp[1024] = {0};
rows++;
taos_print_row(temp, row, fields, num_fields);
printf("%s\n", temp);

2
tests/examples/c/prepare.c
View File

@ -184,10 +184,10 @@ int main(int argc, char *argv[])
int rows = 0;
int num_fields = taos_num_fields(result);
TAOS_FIELD *fields = taos_fetch_fields(result);
char temp[256];
// fetch the records row by row
while ((row = taos_fetch_row(result))) {
char temp[256] = {0};
rows++;
taos_print_row(temp, row, fields, num_fields);
printf("%s\n", temp);

3
tests/examples/c/subscribe.c
View File

@ -14,8 +14,6 @@ void print_result(TAOS_RES* res, int blockFetch) {
int num_fields = taos_num_fields(res);
TAOS_FIELD* fields = taos_fetch_fields(res);
int nRows = 0;
char buf[4096];
if (blockFetch) {
nRows = taos_fetch_block(res, &row);
@ -25,6 +23,7 @@ void print_result(TAOS_RES* res, int blockFetch) {
//}
} else {
while ((row = taos_fetch_row(res))) {
char buf[4096] = {0};
taos_print_row(buf, row, fields, num_fields);
puts(buf);
nRows++;