xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Merge pull request #4173 from taosdata/hotfix/TD-2026 

[TD-2026]<fix>: 'show create table' return unexpected column len
This commit is contained in:
huili 2020-11-16 19:58:58 +08:00 committed by GitHub
parent 9711afc539 d0a3e421db
commit 69fe86bccd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/client/src/tscLocal.c
View File

@ -619,7 +619,11 @@ static int32_t tscRebuildDDLForNormalTable(SSqlObj *pSql, const char *tableName,
for (int32_t i = 0; i < numOfRows; ++i) { for (int32_t i = 0; i < numOfRows; ++i) {
uint8_t type = pSchema[i].type; uint8_t type = pSchema[i].type;
if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) { if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s(%d),", pSchema[i].name,tDataTypeDesc[pSchema[i].type].aName,pSchema->bytes); int32_t bytes = pSchema[i].bytes - VARSTR_HEADER_SIZE;
if (type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes/TSDB_NCHAR_SIZE;
}
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s(%d),", pSchema[i].name, tDataTypeDesc[pSchema[i].type].aName, bytes);
} else { } else {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[pSchema[i].type].aName); snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[pSchema[i].type].aName);
} }
@ -642,7 +646,11 @@ static int32_t tscRebuildDDLForSuperTable(SSqlObj *pSql, const char *tableName,
for (int32_t i = 0; i < numOfRows; ++i) { for (int32_t i = 0; i < numOfRows; ++i) {
uint8_t type = pSchema[i].type; uint8_t type = pSchema[i].type;
if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) { if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result),"%s %s(%d),", pSchema[i].name,tDataTypeDesc[pSchema[i].type].aName,pSchema->bytes); int32_t bytes = pSchema[i].bytes - VARSTR_HEADER_SIZE;
if (type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes/TSDB_NCHAR_SIZE;
}
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result),"%s %s(%d),", pSchema[i].name,tDataTypeDesc[pSchema[i].type].aName, bytes);
} else { } else {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[type].aName); snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[type].aName);
} }
@ -652,7 +660,11 @@ static int32_t tscRebuildDDLForSuperTable(SSqlObj *pSql, const char *tableName,
for (int32_t i = numOfRows; i < totalRows; i++) { for (int32_t i = numOfRows; i < totalRows; i++) {
uint8_t type = pSchema[i].type; uint8_t type = pSchema[i].type;
if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) { if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s(%d),", pSchema[i].name,tDataTypeDesc[pSchema[i].type].aName,pSchema->bytes); int32_t bytes = pSchema[i].bytes - VARSTR_HEADER_SIZE;
if (type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes/TSDB_NCHAR_SIZE;
}
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s(%d),", pSchema[i].name,tDataTypeDesc[pSchema[i].type].aName, bytes);
} else { } else {
snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[type].aName); snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s %s,", pSchema[i].name, tDataTypeDesc[type].aName);
} }

45
tests/examples/c/demo.c
View File

@ -50,10 +50,10 @@ static void queryDB(TAOS *taos, char *command) {
taos_free_result(pSql); taos_free_result(pSql);
} }
void Test(char *qstr, const char *input, int i);
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
TAOS * taos;
char qstr[1024]; char qstr[1024];
TAOS_RES *result;
// connect to server // connect to server
if (argc < 2) { if (argc < 2) {
@ -63,41 +63,26 @@ int main(int argc, char *argv[]) {
// init TAOS // init TAOS
taos_init(); taos_init();
for (int i = 0; i < 4000000; i++) {
taos = taos_connect(argv[1], "root", "taosdata", NULL, 0); Test(qstr, argv[1], i);
}
taos_cleanup();
}
void Test(char *qstr, const char *input, int index) {
TAOS *taos = taos_connect(input, "root", "taosdata", NULL, 0);
printf("==================test at %d\n================================", index);
queryDB(taos, "drop database if exists demo");
queryDB(taos, "create database demo");
TAOS_RES *result;
if (taos == NULL) { if (taos == NULL) {
printf("failed to connect to server, reason:%s\n", "null taos"/*taos_errstr(taos)*/); printf("failed to connect to server, reason:%s\n", "null taos"/*taos_errstr(taos)*/);
exit(1); exit(1);
} }
printf("success to connect to server\n");
//taos_query(taos, "drop database demo");
queryDB(taos, "drop database if exists demo");
//result = taos_query(taos, "create database demo");
//if (result == NULL) {
// printf("failed to create database, reason:%s\n", "null result"/*taos_errstr(taos)*/);
// exit(1);
//}
queryDB(taos, "create database demo");
printf("success to create database\n");
//taos_query(taos, "use demo");
queryDB(taos, "use demo"); queryDB(taos, "use demo");
// create table
//if (taos_query(taos, "create table m1 (ts timestamp, ti tinyint, si smallint, i int, bi bigint, f float, d double, b binary(10))") == 0) {
// printf("failed to create table, reason:%s\n", taos_errstr(result));
// exit(1);
//}
queryDB(taos, "create table m1 (ts timestamp, ti tinyint, si smallint, i int, bi bigint, f float, d double, b binary(10))"); queryDB(taos, "create table m1 (ts timestamp, ti tinyint, si smallint, i int, bi bigint, f float, d double, b binary(10))");
printf("success to create table\n"); printf("success to create table\n");
// sleep for one second to make sure table is created on data node
// taosMsleep(1000);
// insert 10 records
int i = 0; int i = 0;
for (i = 0; i < 10; ++i) { for (i = 0; i < 10; ++i) {
sprintf(qstr, "insert into m1 values (%" PRId64 ", %d, %d, %d, %d, %f, %lf, '%s')", 1546300800000 + i * 1000, i, i, i, i*10000000, i*1.0, i*2.0, "hello"); sprintf(qstr, "insert into m1 values (%" PRId64 ", %d, %d, %d, %d, %f, %lf, '%s')", 1546300800000 + i * 1000, i, i, i, i*10000000, i*1.0, i*2.0, "hello");
@ -117,7 +102,6 @@ int main(int argc, char *argv[]) {
} }
taos_free_result(result); taos_free_result(result);
//sleep(1);
} }
printf("success to insert rows, total %d rows\n", i); printf("success to insert rows, total %d rows\n", i);
@ -147,5 +131,6 @@ int main(int argc, char *argv[]) {
taos_free_result(result); taos_free_result(result);
printf("====demo end====\n\n"); printf("====demo end====\n\n");
return getchar(); taos_close(taos);
} }