Merge mysql.com:/home/my/mysql-5.0

into  mysql.com:/home/my/mysql-5.1

configure.in

@@ -334,6 +334,9 @@ then
   # mysqld requires -fno-implicit-templates.
   # Disable exceptions as they seams to create problems with gcc and threads.
   # mysqld doesn't use run-time-type-checking, so we disable it.
+  # We should use -Wno-invalid-offsetof flag to disable some warnings from gcc
+  # regarding offset() usage in C++ which are done in a safe manner in the
+  # server
   CXXFLAGS="$CXXFLAGS -fno-implicit-templates -fno-exceptions -fno-rtti"
   AC_DEFINE([HAVE_EXPLICIT_TEMPLATE_INSTANTIATION],
     [1], [Defined by configure. Use explicit template instantiation.])

mysql-test/extra/binlog_tests/binlog.test

@@ -2,6 +2,7 @@
 # misc binlogging tests that do not require a slave running
 #
 
+-- source include/not_embedded.inc
 -- source include/have_bdb.inc
 -- source include/have_innodb.inc
 -- source include/have_debug.inc

mysql-test/extra/binlog_tests/blackhole.test

@@ -2,6 +2,7 @@
 # Simple test for blackhole example
 # Taken from the select test
 #
+-- source include/not_embedded.inc
 -- source include/have_blackhole.inc
 
 --disable_warnings

mysql-test/extra/binlog_tests/ctype_cp932.test

@@ -398,28 +398,6 @@ DROP TABLE t2;
 DROP TABLE t3;
 DROP TABLE t4;
 
-# Test prepared statement with 0x8300 sequence in parameter while
-# running with cp932 client character set.
-RESET MASTER;
-CREATE TABLE t1(f1 blob);
-PREPARE stmt1 FROM 'INSERT INTO t1 VALUES(?)';
-SET @var1= x'8300';
-# TODO: Note that this doesn't actually test the code which was added for
-# bug#11338 because this syntax for prepared statements causes the PS to
-# be replicated differently than if we executed the PS from C or Java.
-# Using this syntax, variable names are inserted into the binlog instead
-# of values. The real goal of this test is to check the code that was
-# added to Item_param::query_val_str() in order to do hex encoding of
-# PS parameters when the client character set is cp932;
-# Bug#11338 has an example java program which can be used to verify this 
-# code (and I have used it to test the fix) until there is some way to
-# exercise this code from mysql-test-run.
-EXECUTE stmt1 USING @var1;
-SHOW BINLOG EVENTS FROM 102;
-SELECT HEX(f1) FROM t1;
-DROP table t1;
-# end test for bug#11338
-
 SET collation_connection='cp932_japanese_ci';
 -- source include/ctype_filesort.inc
 SET collation_connection='cp932_bin';

mysql-test/r/binlog_stm_ctype_cp932.result

@@ -11315,20 +11315,6 @@ DROP TABLE t1;
 DROP TABLE t2;
 DROP TABLE t3;
 DROP TABLE t4;
-RESET MASTER;
-CREATE TABLE t1(f1 blob);
-PREPARE stmt1 FROM 'INSERT INTO t1 VALUES(?)';
-SET @var1= x'8300';
-EXECUTE stmt1 USING @var1;
-SHOW BINLOG EVENTS FROM 102;
-Log_name	Pos	Event_type	Server_id	End_log_pos	Info
-master-bin.000001	102	Query	1	189	use `test`; CREATE TABLE t1(f1 blob)
-master-bin.000001	189	User var	1	228	@`var1`=_binary 0x8300 COLLATE binary
-master-bin.000001	228	Query	1	321	use `test`; INSERT INTO t1 VALUES(@'var1')
-SELECT HEX(f1) FROM t1;
-HEX(f1)
-8300
-DROP table t1;
 SET collation_connection='cp932_japanese_ci';
 create table t1 select repeat('a',4000) a;
 delete from t1;

mysql-test/r/ctype_cp932_notembedded.result

@@ -6,11 +6,11 @@ CREATE TABLE t1(f1 blob);
 PREPARE stmt1 FROM 'INSERT INTO t1 VALUES(?)';
 SET @var1= x'8300';
 EXECUTE stmt1 USING @var1;
-SHOW BINLOG EVENTS FROM 102;
+SHOW BINLOG EVENTS FROM 98;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
-master-bin.000001	#	Query	1	#	use `test`; CREATE TABLE t1(f1 blob)
+master-bin.000001	98	Query	1	185	use `test`; CREATE TABLE t1(f1 blob)
-master-bin.000001	#	Table_map	1	#	test.t1
+master-bin.000001	185	User var	1	224	@`var1`=_binary 0x8300 COLLATE binary
-master-bin.000001	#	Write_rows	1	#	
+master-bin.000001	224	Query	1	317	use `test`; INSERT INTO t1 VALUES(@'var1')
 SELECT HEX(f1) FROM t1;
 HEX(f1)
 8300

mysql-test/r/innodb_notembedded.result

@@ -1,3 +1,4 @@
+drop table if exists t1;
 create table t1 (col1 integer primary key, col2 integer) engine=innodb;
 insert t1 values (1,100);
 create function f1 () returns integer begin

mysql-test/r/subselect.result

@@ -2987,7 +2987,6 @@ select * from (select max(fld) from t1) as foo;
 max(fld)
 1
 drop table t1;
-purge master logs before (select adddate(current_timestamp(), interval -4 day));
 CREATE TABLE t1 (a int, b int);
 CREATE TABLE t2 (c int, d int);
 CREATE TABLE t3 (e int);

mysql-test/t/ctype_cp932_notembedded.test

@@ -0,0 +1,32 @@
+-- source include/not_embedded.inc
+-- source include/have_cp932.inc
+
+--character_set cp932
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+set names cp932;
+set character_set_database = cp932;
+
+# Test prepared statement with 0x8300 sequence in parameter while
+# running with cp932 client character set.
+RESET MASTER;
+CREATE TABLE t1(f1 blob);
+PREPARE stmt1 FROM 'INSERT INTO t1 VALUES(?)';
+SET @var1= x'8300';
+# TODO: Note that this doesn't actually test the code which was added for
+# bug#11338 because this syntax for prepared statements causes the PS to
+# be replicated differently than if we executed the PS from C or Java.
+# Using this syntax, variable names are inserted into the binlog instead
+# of values. The real goal of this test is to check the code that was
+# added to Item_param::query_val_str() in order to do hex encoding of
+# PS parameters when the client character set is cp932;
+# Bug#11338 has an example java program which can be used to verify this 
+# code (and I have used it to test the fix) until there is some way to
+# exercise this code from mysql-test-run.
+EXECUTE stmt1 USING @var1;
+SHOW BINLOG EVENTS FROM 98;
+SELECT HEX(f1) FROM t1;
+DROP table t1;
+# end test for bug#11338

mysql-test/t/innodb_notembedded.test

@@ -1,6 +1,10 @@
 -- source include/not_embedded.inc
 -- source include/have_innodb.inc
 
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
 connect (a,localhost,root,,);
 connect (b,localhost,root,,);
 

mysql-test/t/sp-destruct.test

@@ -54,10 +54,13 @@ flush table mysql.proc;
 
 # Thrashing the .frm file
 --system echo 'saljdlfa' > $MYSQLTEST_VARDIR/master-data/mysql/proc.frm
+--replace_result $MYSQLTEST_VARDIR . master-data// ''
 --error ER_NOT_FORM_FILE
 call bug14233();
+--replace_result $MYSQLTEST_VARDIR . master-data// ''
 --error ER_NOT_FORM_FILE
 create view v1 as select bug14233_f();
+--replace_result $MYSQLTEST_VARDIR . master-data// ''
 --error ER_NOT_FORM_FILE
 insert into t1 values (0);
 

mysql-test/t/sp.test

@@ -699,10 +699,11 @@ drop procedure into_test4|
 --disable_warnings
 drop procedure if exists into_outfile|
 --enable_warnings
-create procedure into_outfile(x char(16), y int)
+--replace_result $MYSQLTEST_VARDIR ..
+eval create procedure into_outfile(x char(16), y int)
 begin
   insert into test.t1 values (x, y);
-  select * into outfile "../tmp/spout" from test.t1;
+  select * into outfile "$MYSQLTEST_VARDIR/tmp/spout" from test.t1;
   insert into test.t1 values (concat(x, "2"), y+2);
 end|
 
@@ -715,10 +716,11 @@ drop procedure into_outfile|
 --disable_warnings
 drop procedure if exists into_dumpfile|
 --enable_warnings
-create procedure into_dumpfile(x char(16), y int)
+--replace_result $MYSQLTEST_VARDIR ..
+eval create procedure into_dumpfile(x char(16), y int)
 begin
   insert into test.t1 values (x, y);
-  select * into dumpfile "../tmp/spdump" from test.t1 limit 1;
+  select * into dumpfile "$MYSQLTEST_VARDIR/tmp/spdump" from test.t1 limit 1;
   insert into test.t1 values (concat(x, "2"), y+2);
 end|
 

mysql-test/t/sp_notembedded.test

@@ -128,6 +128,7 @@ call bug6807()|
 
 drop procedure bug6807|
 
+
 #
 # BUG#10100: function (and stored procedure?) recursivity problem
 #

mysql-test/t/subselect.test

@@ -1962,12 +1962,6 @@ insert into t1 values ('1');
 select * from (select max(fld) from t1) as foo;
 drop table t1;
 
-#
-# BUG #10308: purge log with subselect
-#
-
-purge master logs before (select adddate(current_timestamp(), interval -4 day));
-
 #
 # Test for bug #11762: subquery with an aggregate function in HAVING
 #

mysql-test/t/temp_table.test

@@ -1,3 +1,5 @@
+# mysqltest should be fixed
+-- source include/not_embedded.inc
 #
 # Test of temporary tables
 #

mysql-test/t/view_grant.test

@@ -717,3 +717,5 @@ create definer=some_user@`` sql security invoker view v1 as select 1;
 create definer=some_user@localhost sql security invoker view v1 as select 1;
 show create view v1;
 drop view v1;
+
+

mysys/mf_dirname.c

@@ -109,7 +109,7 @@ char *convert_dirname(char *to, const char *from, const char *from_end)
 
 #if FN_LIBCHAR != '/' || defined(FN_C_BEFORE_DIR_2)
   {
-    for (; *from && from != from_end; from++)
+    for (; from != from_end && *from ; from++)
     {
       if (*from == '/')
 	*to++= FN_LIBCHAR;

mysys/my_bitmap.c

@@ -84,7 +84,7 @@ void create_last_word_mask(MY_BITMAP *map)
   }
 }
 
-static inline void bitmap_lock(MY_BITMAP *map)
+static inline void bitmap_lock(MY_BITMAP *map __attribute__((unused)))
 {
 #ifdef THREAD
   if (map->mutex)
@@ -92,7 +92,7 @@ static inline void bitmap_lock(MY_BITMAP *map)
 #endif
 }
 
-static inline void bitmap_unlock(MY_BITMAP *map)
+static inline void bitmap_unlock(MY_BITMAP *map __attribute__((unused)))
 {
 #ifdef THREAD
   if (map->mutex)

scripts/mysql_fix_privilege_tables.sql

@@ -680,3 +680,9 @@ ALTER TABLE db   ADD Trigger_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT
 ALTER TABLE tables_priv MODIFY Table_priv set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter','Create View','Show view','Trigger') COLLATE utf8_general_ci DEFAULT '' NOT NULL;
 
 UPDATE user SET Trigger_priv=Super_priv WHERE @hadTriggerPriv = 0;
+
+# Activate the new, possible modified privilege tables
+# This should not be needed, but gives us some extra testing that the above
+# changes was correct
+
+flush privileges;

sql/field.cc

@@ -5266,7 +5266,7 @@ int Field_date::store(longlong nr, bool unsigned_val)
   }
 
   if (nr >= 19000000000000.0 && nr <= 99991231235959.0)
-    nr=floor(nr/1000000.0);			// Timestamp to date
+    nr= (longlong) floor(nr/1000000.0);         // Timestamp to date
 
   if (error)
     set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,

sql/handler.h

@@ -272,6 +272,7 @@ struct xid_t {
   long bqual_length;
   char data[XIDDATASIZE];  // not \0-terminated !
 
+  xid_t() {}                                /* Remove gcc warning */  
   bool eq(struct xid_t *xid)
   { return eq(xid->gtrid_length, xid->bqual_length, xid->data); }
   bool eq(long g, long b, const char *d)
@@ -646,6 +647,7 @@ typedef class Item COND;
 
 typedef struct st_ha_check_opt
 {
+  st_ha_check_opt() {}                        /* Remove gcc warning */
   ulong sort_buffer_size;
   uint flags;       /* isam layer flags (e.g. for myisamchk) */
   uint sql_flags;   /* sql layer flags - for something myisamchk cannot do */

sql/item.cc

@@ -375,9 +375,6 @@ void Item::print_item_w_name(String *str)
 void Item::cleanup()
 {
   DBUG_ENTER("Item::cleanup");
-  DBUG_PRINT("info", ("Item: 0x%lx, name %s, original name %s",
-		      this, name ? name : "(null)",
-                      orig_name ? orig_name : "null"));
   fixed=0;
   marker= 0;
   if (orig_name)

sql/item.h

@@ -164,7 +164,8 @@ struct Hybrid_type_traits
   virtual my_decimal *val_decimal(Hybrid_type *val, my_decimal *buf) const;
   virtual String *val_str(Hybrid_type *val, String *buf, uint8 decimals) const;
   static const Hybrid_type_traits *instance();
-  Hybrid_type_traits() {};
+  Hybrid_type_traits() {}
+  virtual ~Hybrid_type_traits() {}
 };
 
 
@@ -339,6 +340,7 @@ private:
   bool        save_resolve_in_select_list;
 
 public:
+  Name_resolution_context_state() {}          /* Remove gcc warning */
   TABLE_LIST *save_next_local;
 
 public:
@@ -1055,6 +1057,7 @@ bool agg_item_charsets(DTCollation &c, const char *name,
 class Item_num: public Item
 {
 public:
+  Item_num() {}                               /* Remove gcc warning */
   virtual Item_num *neg()= 0;
   Item *safe_charset_converter(CHARSET_INFO *tocs);
 };

sql/item_cmpfunc.h

@@ -128,6 +128,8 @@ public:
 class Comp_creator
 {
 public:
+  Comp_creator() {}                           /* Remove gcc warning */
+  virtual ~Comp_creator() {}                  /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const = 0;
   virtual const char* symbol(bool invert) const = 0;
   virtual bool eqne_op() const = 0;
@@ -137,6 +139,8 @@ public:
 class Eq_creator :public Comp_creator
 {
 public:
+  Eq_creator() {}                             /* Remove gcc warning */
+  virtual ~Eq_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? "<>" : "="; }
   virtual bool eqne_op() const { return 1; }
@@ -146,6 +150,8 @@ public:
 class Ne_creator :public Comp_creator
 {
 public:
+  Ne_creator() {}                             /* Remove gcc warning */
+  virtual ~Ne_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? "=" : "<>"; }
   virtual bool eqne_op() const { return 1; }
@@ -155,6 +161,8 @@ public:
 class Gt_creator :public Comp_creator
 {
 public:
+  Gt_creator() {}                             /* Remove gcc warning */
+  virtual ~Gt_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? "<=" : ">"; }
   virtual bool eqne_op() const { return 0; }
@@ -164,6 +172,8 @@ public:
 class Lt_creator :public Comp_creator
 {
 public:
+  Lt_creator() {}                             /* Remove gcc warning */
+  virtual ~Lt_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? ">=" : "<"; }
   virtual bool eqne_op() const { return 0; }
@@ -173,6 +183,8 @@ public:
 class Ge_creator :public Comp_creator
 {
 public:
+  Ge_creator() {}                             /* Remove gcc warning */
+  virtual ~Ge_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? "<" : ">="; }
   virtual bool eqne_op() const { return 0; }
@@ -182,6 +194,8 @@ public:
 class Le_creator :public Comp_creator
 {
 public:
+  Le_creator() {}                             /* Remove gcc warning */
+  virtual ~Le_creator() {}                    /* Remove gcc warning */
   virtual Item_bool_func2* create(Item *a, Item *b) const;
   virtual const char* symbol(bool invert) const { return invert? ">" : "<="; }
   virtual bool eqne_op() const { return 0; }
@@ -739,6 +753,7 @@ class cmp_item_int :public cmp_item
 {
   longlong value;
 public:
+  cmp_item_int() {}                           /* Remove gcc warning */
   void store_value(Item *item)
   {
     value= item->val_int();
@@ -759,6 +774,7 @@ class cmp_item_real :public cmp_item
 {
   double value;
 public:
+  cmp_item_real() {}                          /* Remove gcc warning */
   void store_value(Item *item)
   {
     value= item->val_real();
@@ -780,6 +796,7 @@ class cmp_item_decimal :public cmp_item
 {
   my_decimal value;
 public:
+  cmp_item_decimal() {}                       /* Remove gcc warning */
   void store_value(Item *item);
   int cmp(Item *arg);
   int compare(cmp_item *c);

sql/log_event.h

@@ -131,6 +131,7 @@ struct old_sql_ex
  ****************************************************************************/
 struct sql_ex_info
 {
+  sql_ex_info() {}                            /* Remove gcc warning */
   char* field_term;
   char* enclosed;
   char* line_term;

sql/mysql_priv.h

@@ -434,6 +434,7 @@ typedef struct st_sql_list {
   byte *first;
   byte **next;
 
+  st_sql_list() {}                              /* Remove gcc warning */
   inline void empty()
   {
     elements=0;
@@ -1040,7 +1041,7 @@ bool close_thread_table(THD *thd, TABLE **table_ptr);
 void close_temporary_tables(THD *thd);
 void close_tables_for_reopen(THD *thd, TABLE_LIST **tables);
 TABLE_LIST *find_table_in_list(TABLE_LIST *table,
-                               uint offset_to_list,
+                               st_table_list *TABLE_LIST::*link,
                                const char *db_name,
                                const char *table_name);
 TABLE_LIST *unique_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list);
@@ -1130,7 +1131,7 @@ inline TABLE_LIST *find_table_in_global_list(TABLE_LIST *table,
                                              const char *db_name,
                                              const char *table_name)
 {
-  return find_table_in_list(table, offsetof(TABLE_LIST, next_global),
+  return find_table_in_list(table, &TABLE_LIST::next_global,
                             db_name, table_name);
 }
 
@@ -1138,7 +1139,7 @@ inline TABLE_LIST *find_table_in_local_list(TABLE_LIST *table,
                                             const char *db_name,
                                             const char *table_name)
 {
-  return find_table_in_list(table, offsetof(TABLE_LIST, next_local),
+  return find_table_in_list(table, &TABLE_LIST::next_local,
                             db_name, table_name);
 }
 

sql/opt_range.cc

@@ -1601,6 +1601,8 @@ public:
   { return (void*) alloc_root(mem_root, (uint) size); }
   static void operator delete(void *ptr,size_t size) { TRASH(ptr, size); }
   static void operator delete(void *ptr, MEM_ROOT *mem_root) { /* Never called */ }
+  virtual ~TABLE_READ_PLAN() {}               /* Remove gcc warning */
+
 };
 
 class TRP_ROR_INTERSECT;
@@ -1624,6 +1626,7 @@ public:
   TRP_RANGE(SEL_ARG *key_arg, uint idx_arg)
    : key(key_arg), key_idx(idx_arg)
   {}
+  virtual ~TRP_RANGE() {}                     /* Remove gcc warning */
 
   QUICK_SELECT_I *make_quick(PARAM *param, bool retrieve_full_rows,
                              MEM_ROOT *parent_alloc)
@@ -1645,6 +1648,8 @@ public:
 class TRP_ROR_INTERSECT : public TABLE_READ_PLAN
 {
 public:
+  TRP_ROR_INTERSECT() {}                      /* Remove gcc warning */
+  virtual ~TRP_ROR_INTERSECT() {}             /* Remove gcc warning */
   QUICK_SELECT_I *make_quick(PARAM *param, bool retrieve_full_rows,
                              MEM_ROOT *parent_alloc);
 
@@ -1666,6 +1671,8 @@ public:
 class TRP_ROR_UNION : public TABLE_READ_PLAN
 {
 public:
+  TRP_ROR_UNION() {}                          /* Remove gcc warning */
+  virtual ~TRP_ROR_UNION() {}                 /* Remove gcc warning */
   QUICK_SELECT_I *make_quick(PARAM *param, bool retrieve_full_rows,
                              MEM_ROOT *parent_alloc);
   TABLE_READ_PLAN **first_ror; /* array of ptrs to plans for merged scans */
@@ -1682,6 +1689,8 @@ public:
 class TRP_INDEX_MERGE : public TABLE_READ_PLAN
 {
 public:
+  TRP_INDEX_MERGE() {}                        /* Remove gcc warning */
+  virtual ~TRP_INDEX_MERGE() {}               /* Remove gcc warning */
   QUICK_SELECT_I *make_quick(PARAM *param, bool retrieve_full_rows,
                              MEM_ROOT *parent_alloc);
   TRP_RANGE **range_scans; /* array of ptrs to plans of merged scans */
@@ -1731,6 +1740,7 @@ public:
       if (key_infix_len)
         memcpy(this->key_infix, key_infix_arg, key_infix_len);
     }
+  virtual ~TRP_GROUP_MIN_MAX() {}             /* Remove gcc warning */
 
   QUICK_SELECT_I *make_quick(PARAM *param, bool retrieve_full_rows,
                              MEM_ROOT *parent_alloc);

sql/parse_file.h

@@ -49,6 +49,8 @@ struct File_option
 class Unknown_key_hook
 {
 public:
+  Unknown_key_hook() {}                       /* Remove gcc warning */
+  virtual ~Unknown_key_hook() {}              /* Remove gcc warning */
   virtual bool process_unknown_string(char *&unknown_key, gptr base,
                                       MEM_ROOT *mem_root, char *end)= 0;
 };
@@ -59,6 +61,7 @@ public:
 class File_parser_dummy_hook: public Unknown_key_hook
 {
 public:
+  File_parser_dummy_hook() {}                 /* Remove gcc warning */
   virtual bool process_unknown_string(char *&unknown_key, gptr base,
                                       MEM_ROOT *mem_root, char *end);
 };

sql/sp_rcontext.h

@@ -268,6 +268,7 @@ class Select_fetch_into_spvars: public select_result_interceptor
   List<struct sp_pvar> *spvar_list;
   uint field_count;
 public:
+  Select_fetch_into_spvars() {}               /* Remove gcc warning */
   uint get_field_count() { return field_count; }
   void set_spvar_list(List<struct sp_pvar> *vars) { spvar_list= vars; }
 

sql/spatial.h

@@ -165,6 +165,8 @@ struct Geometry_buffer;
 class Geometry
 {
 public:
+  Geometry() {}                               /* Remove gcc warning */
+  virtual ~Geometry() {}                        /* Remove gcc warning */
   static void *operator new(size_t size, void *buffer)
   {
     return buffer;
@@ -302,6 +304,8 @@ protected:
 class Gis_point: public Geometry
 {
 public:
+  Gis_point() {}                              /* Remove gcc warning */
+  virtual ~Gis_point() {}                     /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -349,6 +353,8 @@ public:
 class Gis_line_string: public Geometry
 {
 public:
+  Gis_line_string() {}                        /* Remove gcc warning */
+  virtual ~Gis_line_string() {}               /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -375,6 +381,8 @@ public:
 class Gis_polygon: public Geometry
 {
 public:
+  Gis_polygon() {}                            /* Remove gcc warning */
+  virtual ~Gis_polygon() {}                   /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -401,6 +409,8 @@ public:
 class Gis_multi_point: public Geometry
 {
 public:
+  Gis_multi_point() {}                        /* Remove gcc warning */
+  virtual ~Gis_multi_point() {}               /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -423,6 +433,8 @@ public:
 class Gis_multi_line_string: public Geometry
 {
 public:
+  Gis_multi_line_string() {}                  /* Remove gcc warning */
+  virtual ~Gis_multi_line_string() {}         /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -447,6 +459,8 @@ public:
 class Gis_multi_polygon: public Geometry
 {
 public:
+  Gis_multi_polygon() {}                      /* Remove gcc warning */
+  virtual ~Gis_multi_polygon() {}             /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);
@@ -471,6 +485,8 @@ public:
 class Gis_geometry_collection: public Geometry
 {
 public:
+  Gis_geometry_collection() {}                /* Remove gcc warning */
+  virtual ~Gis_geometry_collection() {}       /* Remove gcc warning */
   uint32 get_data_size() const;
   bool init_from_wkt(Gis_read_stream *trs, String *wkb);
   uint init_from_wkb(const char *wkb, uint len, wkbByteOrder bo, String *res);

sql/sql_base.cc

@@ -917,6 +917,15 @@ bool close_cached_tables(THD *thd, bool if_wait_for_refresh,
   DESCRIPTION
     Marks all tables in the list which were used by current substatement
     (they are marked by its query_id) as free for reuse.
+
+  NOTE
+    The reason we reset query_id is that it's not enough to just test
+    if table->query_id != thd->query_id to know if a table is in use.
+
+    For example
+    SELECT f1_that_uses_t1() FROM t1;
+    In f1_that_uses_t1() we will see one instance of t1 where query_id is
+    set to query_id of original query.
 */
 
 static void mark_used_tables_as_free_for_reuse(THD *thd, TABLE *table)
@@ -1230,11 +1239,11 @@ void close_temporary_tables(THD *thd)
 */
 
 TABLE_LIST *find_table_in_list(TABLE_LIST *table,
-                               uint offset,
+                               st_table_list *TABLE_LIST::*link,
                                const char *db_name,
                                const char *table_name)
 {
-  for (; table; table= *(TABLE_LIST **) ((char*) table + offset))
+  for (; table; table= table->*link )
   {
     if ((table->table == 0 || table->table->s->tmp_table == NO_TMP_TABLE) &&
         strcmp(table->db, db_name) == 0 &&

sql/sql_cache.h

@@ -69,6 +69,7 @@ class Query_cache;
 
 struct Query_cache_block_table
 {
+  Query_cache_block_table() {}                /* Remove gcc warning */
   TABLE_COUNTER_TYPE n;		// numbr in table (from 0)
   Query_cache_block_table *next, *prev;
   Query_cache_table *parent;
@@ -78,6 +79,7 @@ struct Query_cache_block_table
 
 struct Query_cache_block
 {
+  Query_cache_block() {}                      /* Remove gcc warning */
   enum block_type {FREE, QUERY, RESULT, RES_CONT, RES_BEG,
 		   RES_INCOMPLETE, TABLE, INCOMPLETE};
 
@@ -143,6 +145,7 @@ struct Query_cache_query
 
 struct Query_cache_table
 {
+  Query_cache_table() {}                      /* Remove gcc warning */
   char *tbl;
   uint32 key_len;
   uint8 table_type;
@@ -171,6 +174,7 @@ struct Query_cache_table
 
 struct Query_cache_result
 {
+  Query_cache_result() {}                     /* Remove gcc warning */
   Query_cache_block *query;
 
   inline gptr data()
@@ -197,6 +201,7 @@ extern "C" void query_cache_invalidate_by_MyISAM_filename(const char* filename);
 
 struct Query_cache_memory_bin
 {
+  Query_cache_memory_bin() {}                 /* Remove gcc warning */
 #ifndef DBUG_OFF
   ulong size;
 #endif
@@ -215,8 +220,7 @@ struct Query_cache_memory_bin
 
 struct Query_cache_memory_bin_step
 {
-public:
+  Query_cache_memory_bin_step() {}            /* Remove gcc warning */
-  Query_cache_memory_bin_step() {}
   ulong size;
   ulong increment;
   uint idx;

sql/sql_class.cc

@@ -992,6 +992,7 @@ bool select_send::send_data(List<Item> &items)
     protocol->remove_last_row();
   else
     DBUG_RETURN(protocol->write());
+  protocol->remove_last_row();
   DBUG_RETURN(1);
 }
 

sql/sql_class.h

@@ -629,6 +629,7 @@ void xid_cache_delete(XID_STATE *xid_state);
 
 class Security_context {
 public:
+  Security_context() {}                       /* Remove gcc warning */
   /*
     host - host of the client
     user - user of the client, set to NULL until the user has been read from
@@ -1467,6 +1468,7 @@ public:
 class select_result_interceptor: public select_result
 {
 public:
+  select_result_interceptor() {}              /* Remove gcc warning */
   uint field_count(List<Item> &fields) const { return 0; }
   bool send_fields(List<Item> &fields, uint flag) { return FALSE; }
 };
@@ -1757,6 +1759,7 @@ class Table_ident :public Sql_alloc
 class user_var_entry
 {
  public:
+  user_var_entry() {}                         /* Remove gcc warning */
   LEX_STRING name;
   char *value;
   ulong length;

sql/sql_db.cc

@@ -1233,10 +1233,13 @@ bool mysql_change_db(THD *thd, const char *name, bool no_access_check)
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   ulong db_access;
   Security_context *sctx= thd->security_ctx;
+  LINT_INIT(db_access);
 #endif
   DBUG_ENTER("mysql_change_db");
   DBUG_PRINT("enter",("name: '%s'",name));
 
+  LINT_INIT(db_length);
+
   /* dbname can only be NULL if malloc failed */
   if (!dbname || !(db_length= strlen(dbname)))
   {
@@ -1254,7 +1257,7 @@ bool mysql_change_db(THD *thd, const char *name, bool no_access_check)
   if (check_db_name(dbname))
   {
     my_error(ER_WRONG_DB_NAME, MYF(0), dbname);
-    x_free(dbname);
+    my_free(dbname, MYF(0));
     DBUG_RETURN(1);
   }
   DBUG_PRINT("info",("Use database: %s", dbname));
@@ -1303,8 +1306,7 @@ end:
     x_free(thd->db);
   if (dbname && dbname[0] == 0)
   {
-    if (!(thd->slave_thread))
+    my_free(dbname, MYF(0));
-      x_free(dbname);
     thd->db= NULL;
     thd->db_length= 0;
   }

sql/sql_parse.cc

@@ -4972,7 +4972,9 @@ end_with_restore_list:
     break;
   }
   default:
+#ifndef EMBEDDED_LIBRARY
     DBUG_ASSERT(0);                             /* Impossible */
+#endif
     send_ok(thd);
     break;
   }
@@ -6149,10 +6151,11 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
     /*
       table_list.next points to the last inserted TABLE_LIST->next_local'
       element
+      We don't use the offsetof() macro here to avoid warnings from gcc
     */
-    previous_table_ref= (TABLE_LIST*) (table_list.next -
+    previous_table_ref= (TABLE_LIST*) ((char*) table_list.next -
-                                       offsetof(TABLE_LIST, next_local));
+                                       ((char*) &(ptr->next_local) -
-    DBUG_ASSERT(previous_table_ref);
+                                        (char*) ptr));
     /*
       Set next_name_resolution_table of the previous table reference to point
       to the current table reference. In effect the list

sql/sql_select.h

@@ -104,6 +104,7 @@ typedef int (*Read_record_func)(struct st_join_table *tab);
 Next_select_func setup_end_select_func(JOIN *join);
 
 typedef struct st_join_table {
+  st_join_table() {}                          /* Remove gcc warning */
   TABLE		*table;
   KEYUSE	*keyuse;			/* pointer to first used key */
   SQL_SELECT	*select;
@@ -288,7 +289,7 @@ class JOIN :public Sql_alloc
   }
 
   JOIN(JOIN &join)
-    :fields_list(join.fields_list)
+    :Sql_alloc(), fields_list(join.fields_list)
   {
     init(join.thd, join.fields_list, join.select_options,
          join.result);

sql/table.h

@@ -216,6 +216,8 @@ typedef struct st_table_share
 /* Information for one open table */
 
 struct st_table {
+  st_table() {}                               /* Remove gcc warning */
+
   TABLE_SHARE	*s;
   handler	*file;
 #ifdef NOT_YET
@@ -490,6 +492,7 @@ public:
 
 typedef struct st_table_list
 {
+  st_table_list() {}                          /* Remove gcc warning */
   /*
     List of tables local to a subquery (used by SQL_LIST). Considers
     views as leaves (unlike 'next_leaf' below). Created at parse time
@@ -722,6 +725,7 @@ class Item;
 class Field_iterator: public Sql_alloc
 {
 public:
+  Field_iterator() {}                         /* Remove gcc warning */
   virtual ~Field_iterator() {}
   virtual void set(TABLE_LIST *)= 0;
   virtual void next()= 0;

sql/tztime.cc

@@ -973,6 +973,7 @@ static const String tz_SYSTEM_name("SYSTEM", 6, &my_charset_latin1);
 class Time_zone_system : public Time_zone
 {
 public:
+  Time_zone_system() {}                       /* Remove gcc warning */
   virtual my_time_t TIME_to_gmt_sec(const TIME *t,
                                     my_bool *in_dst_time_gap) const;
   virtual void gmt_sec_to_TIME(TIME *tmp, my_time_t t) const;
@@ -1066,6 +1067,7 @@ Time_zone_system::get_name() const
 class Time_zone_utc : public Time_zone
 {
 public:
+  Time_zone_utc() {}                          /* Remove gcc warning */
   virtual my_time_t TIME_to_gmt_sec(const TIME *t,
                                     my_bool *in_dst_time_gap) const;
   virtual void gmt_sec_to_TIME(TIME *tmp, my_time_t t) const;

sql/tztime.h

@@ -30,6 +30,7 @@
 class Time_zone: public Sql_alloc 
 {
 public:
+  Time_zone() {}                              /* Remove gcc warning */
   /*
     Converts local time in broken down TIME representation to 
     my_time_t (UTC seconds since Epoch) represenation.

storage/ndb/include/ndbapi/NdbDictionary.hpp

@@ -61,12 +61,15 @@ typedef struct charset_info_st CHARSET_INFO;
  */
 class NdbDictionary {
 public:
+  NdbDictionary() {}                          /* Remove gcc warning */
   /**
    * @class Object
    * @brief Meta information about a database object (a table, index, etc)
    */
   class Object {
   public:
+    Object() {}                               /* Remove gcc warning */
+    virtual ~Object() {}                      /* Remove gcc warning */
     /**
      * Status of object
      */

tests/mysql_client_test.c

@@ -14724,9 +14724,9 @@ static void test_bug12744()
 
   mysql_close(mysql);
 
-  if (rc= mysql_stmt_execute(prep_stmt))
+  if ((rc= mysql_stmt_execute(prep_stmt)))
   {
-    if (rc= mysql_stmt_reset(prep_stmt))
+    if ((rc= mysql_stmt_reset(prep_stmt)))
       printf("OK!\n");
     else
     {