Print value of Item_param if it has a value (when debugging)

libmysql/libmysql.c:
  More debug
sql/item.h:
  Print value of param if it has a value (when debugging)
sql/log.cc:
  Better variable name
sql/sql_insert.cc:
  Fix bug casused by merge
sql/sql_parse.cc:
  Added missing command names (caused crash when running with --debug)
sql/sql_select.cc:
  More debugging
sql/sql_yacc.yy:
  Fixed typo
tests/client_test.c:
  More debugging

libmysql/libmysql.c

@@ -2384,7 +2384,7 @@ static my_bool execute(MYSQL_STMT *stmt, char *packet, ulong length)
   char buff[4 /* size of stmt id */ +
             5 /* execution flags */];
   DBUG_ENTER("execute");
-  DBUG_PRINT("enter",("packet: %s, length :%d",packet ? packet :" ", length));
+  DBUG_DUMP("packet", packet, length);
 
   mysql->last_used_con= mysql;
   int4store(buff, stmt->stmt_id);		/* Send stmt id to server */

sql/item.cc

@@ -1143,8 +1143,27 @@ bool Item_param::convert_str_value(THD *thd)
   return rc;
 }
 
-/* End of Item_param related */
 
+void Item_param::print(String *str)
+{
+  if (state == NO_VALUE)
+  {
+    str->append('?');
+  }
+  else
+  {
+    char buffer[80];
+    String tmp(buffer, sizeof(buffer), &my_charset_bin);
+    const String *res;
+    res= query_val_str(&tmp);
+    str->append(*res);
+  }
+}
+
+
+/****************************************************************************
+  Item_copy_string
+****************************************************************************/
 
 void Item_copy_string::copy()
 {

sql/item.h

@@ -635,7 +635,7 @@ class Item_param :public Item
   */
   virtual table_map used_tables() const
   { return state != NO_VALUE ? (table_map)0 : PARAM_TABLE_BIT; }
-  void print(String *str) { str->append('?'); }
+  void print(String *str);
   /* parameter never equal to other parameter of other item */
   bool eq(const Item *item, bool binary_cmp) const { return 0; }
 };

sql/log.cc

@@ -838,13 +838,13 @@ int MYSQL_LOG::purge_logs(const char *to_log,
   while ((strcmp(to_log,log_info.log_file_name) || (exit_loop=included)) &&
          !log_in_use(log_info.log_file_name))
   {
-    ulong tmp;
-    LINT_INIT(tmp);
+    ulong file_size;
+    LINT_INIT(file_size);
     if (decrease_log_space) //stat the file we want to delete
     {
       MY_STAT s;
       if (my_stat(log_info.log_file_name,&s,MYF(0)))
-        tmp= s.st_size;
+        file_size= s.st_size;
       else
       {
         /* 
@@ -852,7 +852,7 @@ int MYSQL_LOG::purge_logs(const char *to_log,
            of space that deletion will free. In most cases,
            deletion won't work either, so it's not a problem.
         */
-        tmp= 0; 
+        file_size= 0; 
       }
     }
     /*
@@ -861,7 +861,7 @@ int MYSQL_LOG::purge_logs(const char *to_log,
     */
     DBUG_PRINT("info",("purging %s",log_info.log_file_name));
     if (!my_delete(log_info.log_file_name, MYF(0)) && decrease_log_space)
-      *decrease_log_space-= tmp;
+      *decrease_log_space-= file_size;
     if (find_next_log(&log_info, 0) || exit_loop)
       break;
   }

sql/sql_insert.cc

@@ -86,14 +86,13 @@ check_insert_fields(THD *thd, TABLE_LIST *table_list, List<Item> &fields,
       return -1;
     }
 
-    table_list->next_local= 0;
     thd->dupp_field=0;
-    save_next= table_list->next_local;        // fields only from first table
- 
     thd->lex->select_lex.no_wrap_view_item= 1;
+    save_next= table_list->next_local;        // fields only from first table
+    table_list->next_local= 0;
     res= setup_fields(thd, 0, table_list, fields, 1, 0, 0);
-    thd->lex->select_lex.no_wrap_view_item= 0;
     table_list->next_local= save_next;
+    thd->lex->select_lex.no_wrap_view_item= 0;
     if (res)
       return -1;
 

sql/sql_parse.cc

@@ -78,6 +78,7 @@ const char *command_name[]={
   "Connect","Kill","Debug","Ping","Time","Delayed_insert","Change user",
   "Binlog Dump","Table Dump",  "Connect Out", "Register Slave",
   "Prepare", "Prepare Execute", "Long Data", "Close stmt",
+  "Reset stmt", "Set option", "Fetch",
   "Error"					// Last command number
 };
 

sql/sql_select.cc

@@ -543,6 +543,7 @@ JOIN::optimize()
   if (cond_value == Item::COND_FALSE ||
       (!unit->select_limit_cnt && !(select_options & OPTION_FOUND_ROWS)))
   {						/* Impossible cond */
+    DBUG_PRINT("info", ("Impossible WHERE"));
     zero_result_cause= "Impossible WHERE";
     error= 0;
     DBUG_RETURN(0);
@@ -560,20 +561,24 @@ JOIN::optimize()
     {
       if (res > 1)
       {
+        DBUG_PRINT("error",("Error from opt_sum_query"));
 	DBUG_RETURN(1);
       }
       if (res < 0)
       {
+        DBUG_PRINT("info",("No matching min/max row"));
 	zero_result_cause= "No matching min/max row";
 	error=0;
 	DBUG_RETURN(0);
       }
+      DBUG_PRINT("info",("Select tables optimized away"));
       zero_result_cause= "Select tables optimized away";
       tables_list= 0;				// All tables resolved
     }
   }
   if (!tables_list)
   {
+    DBUG_PRINT("info",("No tables"));
     error= 0;
     DBUG_RETURN(0);
   }
@@ -11641,7 +11646,6 @@ void st_table_list::print(THD *thd, String *str)
     }
     if (my_strcasecmp(table_alias_charset, cmp_name, alias))
     {
-   {
       str->append(' ');
       append_identifier(thd, str, alias, strlen(alias));
     }
@@ -11649,7 +11653,6 @@ void st_table_list::print(THD *thd, String *str)
 }
 
 
-
 void st_select_lex::print(THD *thd, String *str)
 {
   if (!thd)
@@ -11657,7 +11660,7 @@ void st_select_lex::print(THD *thd, String *str)
 
   str->append("select ", 7);
 
-  //options
+  /* First add options */
   if (options & SELECT_STRAIGHT_JOIN)
     str->append("straight_join ", 14);
   if ((thd->lex->lock_option == TL_READ_HIGH_PRIORITY) &&

sql/sql_yacc.yy

@@ -7553,7 +7553,7 @@ algorithm:
 	| ALGORITHM_SYM EQ MERGE_SYM
 	  { Lex->create_view_algorithm= VIEW_ALGORITHM_MERGE; }
 	| ALGORITHM_SYM EQ TEMPTABLE_SYM
-	  { Lex->create_view_algorithm= VIEW_ALGORITHM_TMEPTABLE; }
+	  { Lex->create_view_algorithm= VIEW_ALGORITHM_TMPTABLE; }
 	;
 check_option:
         /* empty */ {}

tests/client_test.c

@@ -5508,6 +5508,7 @@ static void test_subselect()
   MYSQL_STMT *stmt;
   int        rc, id;
   MYSQL_BIND bind[1];
+  DBUG_ENTER("test_subselect");
 
   myheader("test_subselect");
 
@@ -5609,6 +5610,7 @@ static void test_subselect()
   assert(rc == MYSQL_NO_DATA);
 
   mysql_stmt_close(stmt);
+  DBUG_VOID_RETURN;
 }