Fix for verification tests: truncation of post digits should not return an error

libmysql/libmysql.c

@@ -3656,6 +3656,7 @@ static void fetch_long_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
   }
 }
 
+#define MY_TRUNC(val) (val < 0 ? - floor(-val) : floor(val))
 
 /*
   Convert double/float column to supplied buffer of any type.
@@ -3688,7 +3689,7 @@ static void fetch_float_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
       *buffer= (uint8) value;
     else
       *buffer= (int8) value;
-    *param->error= value != (param->is_unsigned ? (double) ((uint8) *buffer) :
+    *param->error= MY_TRUNC(value) != (param->is_unsigned ? (double) ((uint8) *buffer) :
                                                   (double) ((int8) *buffer));
     break;
   case MYSQL_TYPE_SHORT:
@@ -3702,7 +3703,7 @@ static void fetch_float_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
       short data= (short) value;
       shortstore(buffer, data);
     }
-    *param->error= value != (param->is_unsigned ? (double) (*(ushort*) buffer):
+    *param->error= MY_TRUNC(value) != (param->is_unsigned ? (double) (*(ushort*) buffer):
                                                   (double) (*(short*) buffer));
     break;
   case MYSQL_TYPE_LONG:
@@ -3716,7 +3717,7 @@ static void fetch_float_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
       int32 data= (int32) value;
       longstore(buffer, data);
     }
-    *param->error= value != (param->is_unsigned ? (double) (*(uint32*) buffer):
+    *param->error= MY_TRUNC(value) != (param->is_unsigned ? (double) (*(uint32*) buffer):
                                                   (double) (*(int32*) buffer));
       break;
   case MYSQL_TYPE_LONGLONG:
@@ -3730,7 +3731,7 @@ static void fetch_float_with_conversion(MYSQL_BIND *param, MYSQL_FIELD *field,
       longlong data= (longlong) value;
       longlongstore(buffer, data);
     }
-    *param->error= value != (param->is_unsigned ?
+    *param->error= MY_TRUNC(value) != (param->is_unsigned ?
                              ulonglong2double(*(ulonglong*) buffer) :
                              (double) (*(longlong*) buffer));
     break;