Bug #28287 Sign problem in test "ndb_restore_print"

  - corrected previous patch
  - some platforms do strange things with char... use Int8 to be sure of signedness

ndb/include/ndbapi/NdbRecAttr.hpp

@@ -164,7 +164,14 @@ public:
    *
    * @return  Char value.
    */           
-  Int8  char_value() const;           
+  char  char_value() const;           
+
+  /**
+   * Get value stored in NdbRecAttr object.
+   *
+   * @return  Int8 value.
+   */           
+  Int8  int8_value() const;           
 
   /**
    * Get value stored in NdbRecAttr object.
@@ -201,6 +208,13 @@ public:
    */   
   Uint8 u_char_value() const;        
 
+  /**
+   * Get value stored in NdbRecAttr object.
+   *
+   * @return  Uint8 value.
+   */   
+  Uint8 u_8_value() const;
+
   /**
    * Get value stored in NdbRecAttr object.
    *
@@ -340,8 +354,15 @@ NdbRecAttr::short_value() const
 }
 
 inline
-Int8
+char
 NdbRecAttr::char_value() const
+{
+  return *(char*)theRef;
+}
+
+inline
+Int8
+NdbRecAttr::int8_value() const
 {
   return *(Int8*)theRef;
 }
@@ -367,6 +388,13 @@ NdbRecAttr::u_char_value() const
   return *(Uint8*)theRef;
 }
 
+inline
+Uint8
+NdbRecAttr::u_8_value() const
+{
+  return *(Uint8*)theRef;
+}
+
 inline
 void
 NdbRecAttr::release()

ndb/src/ndbapi/NdbRecAttr.cpp

@@ -272,7 +272,7 @@ ndbrecattr_print_formatted(NdbOut& out, const NdbRecAttr &r,
       out << r.u_short_value();
       break;
     case NdbDictionary::Column::Tinyunsigned:
-      out << (unsigned) r.u_char_value();
+      out << (unsigned) r.u_8_value();
       break;
     case NdbDictionary::Column::Bigint:
       out << r.int64_value();
@@ -287,7 +287,7 @@ ndbrecattr_print_formatted(NdbOut& out, const NdbRecAttr &r,
       out << r.short_value();
       break;
     case NdbDictionary::Column::Tinyint:
-      out << (int) r.char_value();
+      out << (int) r.int8_value();
       break;
     case NdbDictionary::Column::Binary:
       if (!f.hex_format)
@@ -413,7 +413,7 @@ ndbrecattr_print_formatted(NdbOut& out, const NdbRecAttr &r,
     break;
     case NdbDictionary::Column::Year:
     {
-      uint year = 1900 + r.u_char_value();
+      uint year = 1900 + r.u_8_value();
       char buf[40];
       sprintf(buf, "%04d", year);
       out << buf;