Merge mysqldev@production.mysql.com:my/mysql-5.0-release

into  zippy.(none):/home/cmiller/work/mysql/mysql-5.0.19-tbr

client/mysql.cc

@@ -185,6 +185,7 @@ void tee_fprintf(FILE *file, const char *fmt, ...);
 void tee_fputs(const char *s, FILE *file);
 void tee_puts(const char *s, FILE *file);
 void tee_putc(int c, FILE *file);
+static void tee_print_sized_data(const char *data, unsigned int length, unsigned int width);
 /* The names of functions that actually do the manipulation. */
 static int get_options(int argc,char **argv);
 static int com_quit(String *str,char*),
@@ -2308,20 +2309,29 @@ print_table_data(MYSQL_RES *result)
     for (uint off= 0; off < mysql_num_fields(result); off++)
     {
       const char *str= cur[off] ? cur[off] : "NULL";
+      uint currlength;
+      uint maxlength;
+      uint numcells;
+
       field= mysql_fetch_field(result);
-      uint maxlength= field->max_length;
+      maxlength= field->max_length;
+      currlength= (uint) lengths[off];
+      numcells= charset_info->cset->numcells(charset_info, 
+                                                    str, str + currlength);
       if (maxlength > MAX_COLUMN_LENGTH)
       {
-	tee_fputs(str, PAGER);
+        tee_print_sized_data(str, currlength, maxlength);
         tee_fputs(" |", PAGER);
       }
       else
       {
-        uint currlength= (uint) lengths[off];
-        uint numcells= charset_info->cset->numcells(charset_info, 
-                                                    str, str + currlength);
-        tee_fprintf(PAGER, num_flag[off] ? "%*s |" : " %-*s|",
-                    maxlength + currlength - numcells, str);
+        if (num_flag[off] != 0)
+          tee_fprintf(PAGER, " %-*s|", maxlength + currlength - numcells, str);
+        else 
+        {
+          tee_print_sized_data(str, currlength, maxlength);
+          tee_fputs(" |", PAGER);
+        }
       }
     }
     (void) tee_fputs("\n", PAGER);
@@ -2331,6 +2341,35 @@ print_table_data(MYSQL_RES *result)
 }
 
 
+static void
+tee_print_sized_data(const char *data, unsigned int length, unsigned int width)
+{
+  /* 
+    It is not a number, so print each character justified to the left.
+    For '\0's print ASCII spaces instead, as '\0' is eaten by (at
+    least my) console driver, and that messes up the pretty table
+    grid.  (The \0 is also the reason we can't use fprintf() .) 
+  */
+  unsigned int i;
+  const char *p;
+
+  tee_putc(' ', PAGER);
+
+  for (i= 0, p= data; i < length; i+= 1, p+= 1)
+  {
+    if (*p == '\0')
+      tee_putc((int)' ', PAGER);
+    else
+      tee_putc((int)*p, PAGER);
+  }
+
+  i+= 1; 
+  for (   ; i < width; i+= 1)
+    tee_putc((int)' ', PAGER);
+}
+
+
+
 static void
 print_table_data_html(MYSQL_RES *result)
 {

mysql-test/r/mysql.result

@@ -69,3 +69,10 @@ c_cp932
 ソ
 ソ
 ソ
++----------------------+------------+--------+
+| concat('>',col1,'<') | col2       | col3   |
++----------------------+------------+--------+
+| >a   <               | b          | 123421 |
+| >a   <               | 0123456789 | 4      |
+| >abcd<               |            | 4      |
++----------------------+------------+--------+

mysql-test/t/mysql.test

@@ -56,3 +56,8 @@ drop table t1;
 --exec $MYSQL --default-character-set=utf8 test -e "charset cp932; set character_set_client= cp932; select '\'"
 --exec $MYSQL --default-character-set=utf8 test -e "/*charset cp932 */; set character_set_client= cp932; select '\'"
 --exec $MYSQL --default-character-set=utf8 test -e "/*!\C cp932 */; set character_set_client= cp932; select '\'"
+
+#
+# Bug#16859 -- NULLs in columns must not truncate data as if a C-language "string".
+#
+--exec $MYSQL -t test -e "create table t1 (col1 binary(4), col2 varchar(10), col3 int); insert into t1 values ('a', 'b', 123421),('a ', '0123456789', 4), ('abcd', '', 4); select concat('>',col1,'<'), col2, col3 from t1; drop table t1;" 2>&1