fix: show create database output case sensitively

src/client/src/tscLocal.c

@@ -238,7 +238,7 @@ static int32_t tscGetNthFieldResult(TAOS_ROW row, TAOS_FIELD* fields, int *lengt
       sprintf(result, "%d", *((int32_t *)val));
       break;
     case TSDB_DATA_TYPE_BIGINT:
-      sprintf(result, "%"PRId64, *((int64_t *)val)); 
+      sprintf(result, "%" PRId64, *((int64_t *)val));
       break;
     case TSDB_DATA_TYPE_UTINYINT:
       sprintf(result, "%u", *((uint8_t *)val));
@@ -266,7 +266,7 @@ static int32_t tscGetNthFieldResult(TAOS_ROW row, TAOS_FIELD* fields, int *lengt
     case TSDB_DATA_TYPE_TIMESTAMP:
       ///formatTimestamp(buf, *(int64_t*)val, TSDB_TIME_PRECISION_MICRO);
       //memcpy(result, val, strlen(buf));
-      sprintf(result, "%"PRId64, *((int64_t *)val)); 
+      sprintf(result, "%" PRId64, *((int64_t *)val));
       break;
     default:
       break;
@@ -367,7 +367,7 @@ static int32_t tscGetTableTagValue(SCreateBuilder *builder, char *result) {
    return TSDB_CODE_TSC_INVALID_TABLE_NAME;
   }
 
-  int32_t* lengths = taos_fetch_lengths(pSql);  
+  int32_t    *lengths = taos_fetch_lengths(pSql);
   int num_fields = taos_num_fields(pSql);
   TAOS_FIELD *fields = taos_fetch_fields(pSql);
 
@@ -383,9 +383,9 @@ static int32_t tscGetTableTagValue(SCreateBuilder *builder, char *result) {
     if (i == 0) {
       snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "%s", "(");
     }
-    if ((fields[i].type == TSDB_DATA_TYPE_NCHAR 
-        || fields[i].type == TSDB_DATA_TYPE_BINARY 
-        || fields[i].type == TSDB_DATA_TYPE_TIMESTAMP) && 0 == ret) {
+    if ((fields[i].type == TSDB_DATA_TYPE_NCHAR || fields[i].type == TSDB_DATA_TYPE_BINARY ||
+         fields[i].type == TSDB_DATA_TYPE_TIMESTAMP) &&
+        0 == ret) {
       snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "\"%s\",", buf);
     } else if (fields[i].type == TSDB_DATA_TYPE_JSON) {
       snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "'%s,", buf);
@@ -410,7 +410,6 @@ static int32_t tscGetTableTagValue(SCreateBuilder *builder, char *result) {
   return TSDB_CODE_SUCCESS;
 }
 
-
 // build 'show create table/database' result fields
 static int32_t tscSCreateBuildResultFields(SSqlObj *pSql, BuildType type, const char *ddl) {
   int32_t  rowLen = 0;
@@ -453,6 +452,7 @@ static int32_t tscSCreateBuildResultFields(SSqlObj *pSql, BuildType type, const
 
   return rowLen;
 }
+
 static int32_t tscSCreateSetValueToResObj(SSqlObj *pSql, int32_t rowLen, const char *tableName, const char *ddl) {
   SSqlRes *pRes = &pSql->res;
 
@@ -473,6 +473,7 @@ static int32_t tscSCreateSetValueToResObj(SSqlObj *pSql, int32_t rowLen, const c
   STR_WITH_MAXSIZE_TO_VARSTR(dst, ddl, pField->bytes);
   return 0;
 }
+
 static int32_t tscSCreateBuildResult(SSqlObj *pSql, BuildType type, const char *str, const char *result) {
   SQueryInfo* pQueryInfo = tscGetQueryInfo(&pSql->cmd);
   int32_t rowLen = tscSCreateBuildResultFields(pSql, type, result);
@@ -480,6 +481,7 @@ static int32_t tscSCreateBuildResult(SSqlObj *pSql, BuildType type, const char *
   tscFieldInfoUpdateOffset(pQueryInfo);
   return tscSCreateSetValueToResObj(pSql, rowLen, str, result);
 }
+
 int32_t tscRebuildCreateTableStatement(void *param,char *result) {
   SCreateBuilder *builder = (SCreateBuilder *)param;
   int32_t code = TSDB_CODE_SUCCESS;
@@ -533,8 +535,8 @@ static int32_t tscGetDBInfo(SCreateBuilder *builder, char *result) {
     memset(buf, 0, sizeof(buf));
     int32_t* lengths = taos_fetch_lengths(pSql);
     int32_t ret = tscGetNthFieldResult(row, fields, lengths, 0, buf);
-    if (0 == ret && STR_NOCASE_EQUAL(buf, strlen(buf), builder->buf, strlen(builder->buf))) {
-      snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "CREATE DATABASE %s", buf);
+    if (0 == ret && 0 == strcmp(buf, builder->buf)) {
+      snprintf(result + strlen(result), TSDB_MAX_BINARY_LEN - strlen(result), "CREATE DATABASE `%s`", buf);
       for (int i = 1; i < num_fields; i++) {
         for (int j = 0; showColumns[j][0] != NULL; j++) {
           if (STR_NOCASE_EQUAL(fields[i].name, strlen(fields[i].name), showColumns[j][0], strlen(showColumns[j][0]))) {