1. msvc: C4244, conversion-loss-of-data

2. msvc: C4477, "%ld" => "%" PRId64 ""

src/client/src/tscPrepare.c

@@ -290,15 +290,15 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
             if (u.v1==0 || u.v1==1) break;
           } break;
           case TSDB_DATA_TYPE_SMALLINT: {
-            u.v1 = *(int16_t*)bind->buffer;
+            u.v1 = (int8_t)*(int16_t*)bind->buffer;
             if (u.v1==0 || u.v1==1) break;
           } break;
           case TSDB_DATA_TYPE_INT: {
-            u.v1 = *(int32_t*)bind->buffer;
+            u.v1 = (int8_t)*(int32_t*)bind->buffer;
             if (u.v1==0 || u.v1==1) break;
           } break;
           case TSDB_DATA_TYPE_BIGINT: {
-            u.v1 = *(int64_t*)bind->buffer;
+            u.v1 = (int8_t)*(int64_t*)bind->buffer;
             if (u.v1==0 || u.v1==1) break;
           } break;
           case TSDB_DATA_TYPE_BINARY:
@@ -334,19 +334,19 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           } break;
           case TSDB_DATA_TYPE_SMALLINT: {
             int16_t v = *(int16_t*)bind->buffer;
-            u.v1 = v;
+            u.v1 = (int8_t)v;
             if (v >= SCHAR_MIN && v <= SCHAR_MAX) break;
             return TSDB_CODE_TSC_INVALID_VALUE;
           } break;
           case TSDB_DATA_TYPE_INT: {
             int32_t v = *(int32_t*)bind->buffer;
-            u.v1 = v;
+            u.v1 = (int8_t)v;
             if (v >= SCHAR_MIN && v <= SCHAR_MAX) break;
             return TSDB_CODE_TSC_INVALID_VALUE;
           } break;
           case TSDB_DATA_TYPE_BIGINT: {
             int64_t v = *(int64_t*)bind->buffer;
-            u.v1 = v;
+            u.v1 = (int8_t)v;
             if (v >= SCHAR_MIN && v <= SCHAR_MAX) break;
             return TSDB_CODE_TSC_INVALID_VALUE;
           } break;
@@ -354,9 +354,9 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_NCHAR: {
             int64_t v;
             int n,r;
-            r = sscanf((const char*)bind->buffer, "%ld%n", &v, &n);
+            r = sscanf((const char*)bind->buffer, "%" PRId64 "%n", &v, &n);
             if (r==1 && n==strlen((const char*)bind->buffer)) {
-              u.v1 = v;
+              u.v1 = (int8_t)v;
               if (v >= SCHAR_MIN && v <= SCHAR_MAX) break;
             }
             return TSDB_CODE_TSC_INVALID_VALUE;
@@ -377,17 +377,17 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_TINYINT:
           case TSDB_DATA_TYPE_SMALLINT: {
             int v = *(int16_t*)bind->buffer;
-            u.v2 = v;
+            u.v2 = (int16_t)v;
           } break;
           case TSDB_DATA_TYPE_INT: {
             int32_t v = *(int32_t*)bind->buffer;
-            u.v2 = v;
+            u.v2 = (int16_t)v;
             if (v >= SHRT_MIN && v <= SHRT_MAX) break;
             return TSDB_CODE_TSC_INVALID_VALUE;
           } break;
           case TSDB_DATA_TYPE_BIGINT: {
             int64_t v = *(int64_t*)bind->buffer;
-            u.v2 = v;
+            u.v2 = (int16_t)v;
             if (v >= SHRT_MIN && v <= SHRT_MAX) break;
             return TSDB_CODE_TSC_INVALID_VALUE;
           } break;
@@ -395,9 +395,9 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_NCHAR: {
             int64_t v;
             int n,r;
-            r = sscanf((const char*)bind->buffer, "%ld%n", &v, &n);
+            r = sscanf((const char*)bind->buffer, "%" PRId64 "%n", &v, &n);
             if (r==1 && n==strlen((const char*)bind->buffer)) {
-              u.v2 = v;
+              u.v2 = (int16_t)v;
               if (v >= SHRT_MIN && v <= SHRT_MAX) break;
             }
             return TSDB_CODE_TSC_INVALID_VALUE;
@@ -430,7 +430,7 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_NCHAR: {
             int64_t v;
             int n,r;
-            r = sscanf((const char*)bind->buffer, "%ld%n", &v, &n);
+            r = sscanf((const char*)bind->buffer, "%" PRId64 "%n", &v, &n);
             if (r==1 && n==strlen((const char*)bind->buffer)) {
               u.v4 = v;
               if (v >= INT_MIN && v <= INT_MAX) break;
@@ -457,11 +457,11 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
             u.f4 = *(int16_t*)bind->buffer;
           } break;
           case TSDB_DATA_TYPE_INT: {
-            u.f4 = *(int32_t*)bind->buffer;
+            u.f4 = (float)*(int32_t*)bind->buffer;
             // shall we check equality?
           } break;
           case TSDB_DATA_TYPE_BIGINT: {
-            u.f4 = *(int64_t*)bind->buffer;
+            u.f4 = (float)*(int64_t*)bind->buffer;
             // shall we check equality?
           } break;
           case TSDB_DATA_TYPE_FLOAT: {
@@ -509,7 +509,7 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_NCHAR: {
             int64_t v;
             int n,r;
-            r = sscanf((const char*)bind->buffer, "%ld%n", &v, &n);
+            r = sscanf((const char*)bind->buffer, "%" PRId64 "%n", &v, &n);
             if (r==1 && n==strlen((const char*)bind->buffer)) {
               u.v8 = v;
               break;
@@ -539,7 +539,7 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
             u.f8 = *(int32_t*)bind->buffer;
           } break;
           case TSDB_DATA_TYPE_BIGINT: {
-            u.f8 = *(int64_t*)bind->buffer;
+            u.f8 = (double)*(int64_t*)bind->buffer;
           } break;
           case TSDB_DATA_TYPE_FLOAT: {
             u.f8 = *(float*)bind->buffer;
@@ -553,7 +553,7 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
             int n,r;
             r = sscanf((const char*)bind->buffer, "%lf%n", &v, &n);
             if (r==1 && n==strlen((const char*)bind->buffer)) {
-              u.v8 = v;
+              u.f8 = v;
               break;
             }
             return TSDB_CODE_TSC_INVALID_VALUE;
@@ -574,7 +574,8 @@ static int doBindParam(char* data, SParamInfo* param, TAOS_BIND* bind) {
           case TSDB_DATA_TYPE_BINARY:
           case TSDB_DATA_TYPE_NCHAR: {
             // is this the correct way to call taosParseTime?
-            if (taosParseTime(bind->buffer, &u.v8, *bind->length, 3, tsDaylight) == TSDB_CODE_SUCCESS) {
+            int32_t len = (int32_t)*bind->length;
+            if (taosParseTime(bind->buffer, &u.v8, len, 3, tsDaylight) == TSDB_CODE_SUCCESS) {
               break;
             }
             return TSDB_CODE_TSC_INVALID_VALUE;

src/connector/odbc/src/todbc.c

@@ -2690,7 +2690,7 @@ static SQLRETURN conv_tsdb_v8_to_c_double(sql_t *sql, c_target_t *target, TAOS_F
 static SQLRETURN conv_tsdb_v8_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8)
 {
   char buf[64];
-  int n = snprintf(buf, sizeof(buf), "%ld", v8);
+  int n = snprintf(buf, sizeof(buf), "%" PRId64 "", v8);
   DASSERT(n<sizeof(buf));
   *target->soi = n;
   strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
@@ -2702,7 +2702,7 @@ static SQLRETURN conv_tsdb_v8_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
 static SQLRETURN conv_tsdb_v8_to_c_binary(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8)
 {
   char buf[64];
-  int n = snprintf(buf, sizeof(buf), "%ld", v8);
+  int n = snprintf(buf, sizeof(buf), "%" PRId64 "", v8);
   DASSERT(n<sizeof(buf));
   *target->soi = n;
   strncpy(target->ptr, buf, (n>target->len ? target->len : n));
@@ -3053,7 +3053,7 @@ static SQLRETURN conv_tsdb_str_to_c_v8(sql_t *sql, c_target_t *target, TAOS_FIEL
   }
 
   char buf[64];
-  snprintf(buf, sizeof(buf), "%ld", v);
+  snprintf(buf, sizeof(buf), "%" PRId64 "", v);
 
   if (strcmp(buf, str)==0) return SQL_SUCCESS;
 
@@ -3156,7 +3156,7 @@ const char* tsdb_int64_to_ts(int64_t src, int64_t *dst)
   *dst = src;
 
   char buf[4096];
-  int n = snprintf(buf, sizeof(buf), "%ld", src);
+  int n = snprintf(buf, sizeof(buf), "%" PRId64 "", src);
   DASSERT(n>=0);
   DASSERT(n<sizeof(buf));
 
@@ -3181,7 +3181,7 @@ const char* tsdb_int64_to_double(int64_t src, double *dst)
 
 const char* tsdb_int64_to_char(int64_t src, char *dst, size_t dlen)
 {
-  int n = snprintf(dst, dlen, "%ld", src);
+  int n = snprintf(dst, dlen, "%" PRId64 "", src);
   if (n<dlen) return NULL;
   return "22003";
 }
@@ -3321,7 +3321,7 @@ const char* tsdb_chars_to_bit(const char *src, int8_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";
 
   if (bytes!=strlen(src)) {
@@ -3342,7 +3342,7 @@ const char* tsdb_chars_to_tinyint(const char *src, int8_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";
 
 
@@ -3364,7 +3364,7 @@ const char* tsdb_chars_to_smallint(const char *src, int16_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";
 
 
@@ -3386,7 +3386,7 @@ const char* tsdb_chars_to_int(const char *src, int32_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";
 
 
@@ -3408,7 +3408,7 @@ const char* tsdb_chars_to_bigint(const char *src, int64_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";
 
 
@@ -3430,7 +3430,7 @@ const char* tsdb_chars_to_ts(const char *src, int64_t *dst)
 {
   int bytes = 0;
   int64_t v = 0;
-  int n = sscanf(src, "%ld%n", &v, &bytes);
+  int n = sscanf(src, "%" PRId64 "%n", &v, &bytes);
   if (n!=1) return "22018";