Merge mysql.com:/opt/local/work/tmp_merge2

into  mysql.com:/opt/local/work/mysql-5.1-merge

mysql-test/r/ps.result

@@ -880,3 +880,49 @@ select row_count();
 row_count()
 1
 drop table t1;
+create table t1 (a int, b int);
+insert into t1 (a,b) values (2,8),(1,9),(3,7);
+prepare stmt from "select * from t1 order by ?";
+execute stmt using @a;
+a	b
+2	8
+1	9
+3	7
+set @a=1;
+execute stmt using @a;
+a	b
+1	9
+2	8
+3	7
+set @a=2;
+execute stmt using @a;
+a	b
+3	7
+2	8
+1	9
+deallocate prepare stmt;
+select * from t1 order by 1;
+a	b
+1	9
+2	8
+3	7
+prepare stmt from "select * from t1 order by ?+1";
+set @a=0;
+execute stmt using @a;
+a	b
+2	8
+1	9
+3	7
+set @a=1;
+execute stmt using @a;
+a	b
+2	8
+1	9
+3	7
+deallocate prepare stmt;
+select * from t1 order by 1+1;
+a	b
+2	8
+1	9
+3	7
+drop table t1;

mysql-test/r/sp-error.result

@@ -634,10 +634,18 @@ flush tables;
 return 5;
 end|
 ERROR 0A000: FLUSH is not allowed in stored function or trigger
-create procedure bug9529_90123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123()
+create procedure bug9529_901234567890123456789012345678901234567890123456789012345()
 begin
 end|
-ERROR 42000: Identifier name 'bug9529_90123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890' is too long
+ERROR 42000: Identifier name 'bug9529_901234567890123456789012345678901234567890123456789012345' is too long
+drop procedure if exists bug17015_0123456789012345678901234567890123456789012345678901234|
+create procedure bug17015_0123456789012345678901234567890123456789012345678901234()
+begin
+end|
+show procedure status like 'bug17015%'|
+Db	Name	Type	Definer	Modified	Created	Security_type	Comment
+test	bug17015_0123456789012345678901234567890123456789012345678901234	PROCEDURE	root@localhost	0000-00-00 00:00:00	0000-00-00 00:00:00	DEFINER	
+drop procedure bug17015_0123456789012345678901234567890123456789012345678901234|
 drop procedure if exists bug10969|
 create procedure bug10969()
 begin

mysql-test/r/sp-prelocking.result

@@ -214,3 +214,26 @@ drop function f1;
 drop function f2;
 drop function f3;
 drop procedure sp1;
+drop table if exists t1;
+drop view if exists v1, v2, v3;
+drop function if exists bug15683;
+create table t1 (f1 bigint, f2 varchar(20), f3 bigint);
+insert into t1 set f1 = 1, f2 = 'schoenenbourg', f3 = 1;
+create view v1 as select 1 from t1 union all select 1;
+create view v2 as select 1 from v1;
+create view v3 as select 1 as f1 from v2;
+create function bug15683() returns bigint
+begin
+return (select count(*) from v3);
+end|
+prepare stmt from "select bug15683()";
+execute stmt;
+bug15683()
+2
+execute stmt;
+bug15683()
+2
+deallocate prepare stmt;
+drop table t1;
+drop view v1, v2, v3;
+drop function bug15683;

mysql-test/r/sp.result

@@ -4812,4 +4812,39 @@ f1	bug13575(f1)
 3	ccc
 drop function bug13575;
 drop table t3|
+drop procedure if exists bug16474_1|
+drop procedure if exists bug16474_2|
+delete from t1|
+insert into t1 values ('c', 2), ('b', 3), ('a', 1)|
+create procedure bug16474_1()
+begin
+declare x int;
+select id from t1 order by x;
+end|
+create procedure bug16474_2(x int)
+select id from t1 order by x|
+call bug16474_1()|
+id
+c
+b
+a
+call bug16474_2(1)|
+id
+c
+b
+a
+call bug16474_2(2)|
+id
+c
+b
+a
+drop procedure bug16474_1|
+drop procedure bug16474_2|
+set @x = 2|
+select * from t1 order by @x|
+id	data
+c	2
+b	3
+a	1
+delete from t1|
 drop table t1,t2;

mysql-test/r/trigger.result

@@ -2,6 +2,7 @@ drop table if exists t1, t2, t3, t4;
 drop view if exists v1;
 drop database if exists mysqltest;
 drop function if exists f1;
+drop function if exists f2;
 drop procedure if exists p1;
 create table t1 (i int);
 create trigger trg before insert on t1 for each row set @a:=1;
@@ -928,3 +929,26 @@ create trigger t1_bi before insert on t1 for each row return 0;
 ERROR 42000: RETURN is only allowed in a FUNCTION
 insert into t1 values (1);
 drop table t1;
+create table t1 (a varchar(64), b int);
+create table t2 like t1;
+create trigger t1_ai after insert on t1 for each row
+set @a:= (select max(a) from t1);
+insert into t1 (a) values
+("Twas"),("brillig"),("and"),("the"),("slithy"),("toves"),
+("Did"),("gyre"),("and"),("gimble"),("in"),("the"),("wabe");
+create trigger t2_ai after insert on t2 for each row
+set @a:= (select max(a) from t2);
+insert into t2 select * from t1;
+load data infile '../std_data_ln/words.dat' into table t1 (a);
+drop trigger t1_ai;
+drop trigger t2_ai;
+create function f1() returns int return (select max(b) from t1);
+insert into t1 values
+("All",f1()),("mimsy",f1()),("were",f1()),("the",f1()),("borogoves",f1()),
+("And",f1()),("the",f1()),("mome", f1()),("raths",f1()),("outgrabe",f1());
+create function f2() returns int return (select max(b) from t2);
+insert into t2 select a, f2() from t1;
+load data infile '../std_data_ln/words.dat' into table t1 (a) set b:= f1();
+drop table t1;
+drop function f1;
+drop function f2;

mysql-test/t/ps.test

@@ -933,4 +933,38 @@ execute ins_call;
 select row_count();
 drop table t1;
 
+#
+# BUG#16474: SP crashed MySQL
+# (when using "order by localvar", where 'localvar' is just that.
+# The actual bug test is in sp.test, this is just testing that we get the
+# expected result for prepared statements too, i.e. place holders work as
+# textual substitution. If it's a single integer, it works as the (deprecated)
+# "order by column#", otherwise it's an expression.
+#
+create table t1 (a int, b int);
+insert into t1 (a,b) values (2,8),(1,9),(3,7);
+
+# Will order by index
+prepare stmt from "select * from t1 order by ?";
+execute stmt using @a;
+set @a=1;
+execute stmt using @a;
+set @a=2;
+execute stmt using @a;
+deallocate prepare stmt;
+# For reference:
+select * from t1 order by 1;
+
+# Will not order by index.
+prepare stmt from "select * from t1 order by ?+1";
+set @a=0;
+execute stmt using @a;
+set @a=1;
+execute stmt using @a;
+deallocate prepare stmt;
+# For reference:
+select * from t1 order by 1+1;
+
+drop table t1;
+
 # End of 5.0 tests

mysql-test/t/sp-error.test

@@ -904,12 +904,26 @@ end|
 #
 # BUG#9529: Stored Procedures: No Warning on truncation of procedure name
 #           during creation.
-# Note: When using utf8 for mysql.proc, this limit is much higher than before
+# BUG#17015: Routine name truncation not an error
+#            When we started using utf8 for mysql.proc, this limit appeared
+#            to be higher, but in reality the names were truncated.
 --error ER_TOO_LONG_IDENT
-create procedure bug9529_90123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123()
+create procedure bug9529_901234567890123456789012345678901234567890123456789012345()
 begin
 end|
 
+--disable_warnings
+drop procedure if exists bug17015_0123456789012345678901234567890123456789012345678901234|
+--enable_warnings
+# Check the upper limit, just to make sure.
+create procedure bug17015_0123456789012345678901234567890123456789012345678901234()
+begin
+end|
+
+--replace_column 5 '0000-00-00 00:00:00' 6 '0000-00-00 00:00:00'
+show procedure status like 'bug17015%'|
+drop procedure bug17015_0123456789012345678901234567890123456789012345678901234|
+
 
 #
 # BUG#10969: Stored procedures: crash if default() function
@@ -1717,4 +1731,3 @@ end|
 #drop procedure if exists bugNNNN|
 #--enable_warnings
 #create procedure bugNNNN...
-

mysql-test/t/sp-prelocking.test

@@ -240,3 +240,37 @@ drop function f1;
 drop function f2;
 drop function f3;
 drop procedure sp1;
+
+#
+# Bug#15683 "crash, Function on nested VIEWs, Prepared statement"
+# Check that when creating the prelocking list a nested view 
+# is not merged until it's used.
+#
+--disable_warnings
+drop table if exists t1;
+drop view if exists v1, v2, v3;
+drop function if exists bug15683;
+--enable_warnings
+create table t1 (f1 bigint, f2 varchar(20), f3 bigint);
+insert into t1 set f1 = 1, f2 = 'schoenenbourg', f3 = 1;
+create view v1 as select 1 from t1 union all select 1;
+create view v2 as select 1 from v1;
+create view v3 as select 1 as f1 from v2;
+
+delimiter |;
+create function bug15683() returns bigint
+begin
+return (select count(*) from v3);
+end|
+delimiter ;|
+
+prepare stmt from "select bug15683()";
+execute stmt;
+execute stmt;
+deallocate prepare stmt;
+drop table t1;
+drop view v1, v2, v3;
+drop function bug15683;
+#
+# End of 5.0 tests
+#

mysql-test/t/sp.test

@@ -5653,6 +5653,42 @@ select distinct f1, bug13575(f1) from t3 order by f1|
 drop function bug13575;
 drop table t3|
 
+#
+# BUG#16474: SP crashed MySQL
+# (when using "order by localvar", where 'localvar' is just that.
+#
+--disable_warnings
+drop procedure if exists bug16474_1|
+drop procedure if exists bug16474_2|
+--enable_warnings
+
+delete from t1|
+insert into t1 values ('c', 2), ('b', 3), ('a', 1)|
+
+create procedure bug16474_1()
+begin
+  declare x int;
+
+  select id from t1 order by x;
+end|
+
+# This does NOT order by column index; variable is an expression.
+create procedure bug16474_2(x int)
+  select id from t1 order by x|
+
+call bug16474_1()|
+call bug16474_2(1)|
+call bug16474_2(2)|
+drop procedure bug16474_1|
+drop procedure bug16474_2|
+
+# For reference: user variables are expressions too and do not affect ordering.
+set @x = 2|
+select * from t1 order by @x|
+
+delete from t1|
+
+
 #
 # BUG#NNNN: New bug synopsis
 #

mysql-test/t/trigger.test

@@ -7,6 +7,7 @@ drop table if exists t1, t2, t3, t4;
 drop view if exists v1;
 drop database if exists mysqltest;
 drop function if exists f1;
+drop function if exists f2;
 drop procedure if exists p1;
 --enable_warnings
 
@@ -1080,3 +1081,36 @@ create table t1 (i int);
 create trigger t1_bi before insert on t1 for each row return 0;
 insert into t1 values (1);
 drop table t1;
+
+# Test for bug #17764 "Trigger crashes MyISAM table"
+#
+# Table was reported as crashed when it was subject table of trigger invoked
+# by insert statement which was executed with enabled bulk insert mode (which
+# is actually set of optimizations enabled by handler::start_bulk_insert())
+# and this trigger also explicitly referenced it.
+# The same problem arose when table to which bulk insert was done was also
+# referenced in function called by insert statement.
+create table t1 (a varchar(64), b int);
+create table t2 like t1;
+create trigger t1_ai after insert on t1 for each row
+  set @a:= (select max(a) from t1);
+insert into t1 (a) values
+  ("Twas"),("brillig"),("and"),("the"),("slithy"),("toves"),
+  ("Did"),("gyre"),("and"),("gimble"),("in"),("the"),("wabe");
+create trigger t2_ai after insert on t2 for each row
+  set @a:= (select max(a) from t2);
+insert into t2 select * from t1;
+load data infile '../std_data_ln/words.dat' into table t1 (a);
+drop trigger t1_ai;
+drop trigger t2_ai;
+# Test that the problem for functions is fixed as well
+create function f1() returns int return (select max(b) from t1);
+insert into t1 values
+  ("All",f1()),("mimsy",f1()),("were",f1()),("the",f1()),("borogoves",f1()),
+  ("And",f1()),("the",f1()),("mome", f1()),("raths",f1()),("outgrabe",f1());
+create function f2() returns int return (select max(b) from t2);
+insert into t2 select a, f2() from t1;
+load data infile '../std_data_ln/words.dat' into table t1 (a) set b:= f1();
+drop table t1;
+drop function f1;
+drop function f2;

sql/field.h

@@ -350,6 +350,12 @@ class Field
   /* convert decimal to longlong with overflow check */
   longlong convert_decimal2longlong(const my_decimal *val, bool unsigned_flag,
                                     int *err);
+  /* The max. number of characters */
+  inline uint32 char_length() const
+  {
+    return field_length / charset()->mbmaxlen;
+  }
+
   friend bool reopen_table(THD *,struct st_table *,bool);
   friend int cre_myisam(my_string name, register TABLE *form, uint options,
 			ulonglong auto_increment_value);

sql/sp.cc

@@ -535,7 +535,11 @@ db_create_routine(THD *thd, int type, sp_head *sp)
       ret= SP_GET_FIELD_FAILED;
       goto done;
     }
-    if (sp->m_name.length > table->field[MYSQL_PROC_FIELD_NAME]->field_length)
+
+    if (system_charset_info->cset->numchars(system_charset_info,
+                                            sp->m_name.str,
+                                            sp->m_name.str+sp->m_name.length) >
+        table->field[MYSQL_PROC_FIELD_NAME]->char_length())
     {
       ret= SP_BAD_IDENTIFIER;
       goto done;

sql/sql_insert.cc

@@ -419,11 +419,15 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
     let's *try* to start bulk inserts. It won't necessary
     start them as values_list.elements should be greater than
     some - handler dependent - threshold.
+    We should not start bulk inserts if this statement uses
+    functions or invokes triggers since they may access
+    to the same table and therefore should not see its
+    inconsistent state created by this optimization.
     So we call start_bulk_insert to perform nesessary checks on
     values_list.elements, and - if nothing else - to initialize
     the code to make the call of end_bulk_insert() below safe.
   */
-  if (lock_type != TL_WRITE_DELAYED)
+  if (lock_type != TL_WRITE_DELAYED && !thd->prelocked_mode)
     table->file->start_bulk_insert(values_list.elements);
 
   thd->no_trans_update= 0;
@@ -549,7 +553,7 @@ bool mysql_insert(THD *thd,TABLE_LIST *table_list,
   else
 #endif
   {
-    if (table->file->end_bulk_insert() && !error)
+    if (!thd->prelocked_mode && table->file->end_bulk_insert() && !error)
     {
       table->file->print_error(my_errno,MYF(0));
       error=1;
@@ -2230,7 +2234,7 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
     lex->current_select->options|= OPTION_BUFFER_RESULT;
     lex->current_select->join->select_options|= OPTION_BUFFER_RESULT;
   }
-  else
+  else if (!thd->prelocked_mode)
   {
     /*
       We must not yet prepare the result table if it is the same as one of the 
@@ -2238,6 +2242,8 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
       indexes on the result table, which may be used during the select, if it
       is the same table (Bug #6034). Do the preparation after the select phase
       in select_insert::prepare2().
+      We won't start bulk inserts at all if this statement uses functions or
+      should invoke triggers since they may access to the same table too.
     */
     table->file->start_bulk_insert((ha_rows) 0);
   }
@@ -2288,7 +2294,8 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
 int select_insert::prepare2(void)
 {
   DBUG_ENTER("select_insert::prepare2");
-  if (thd->lex->current_select->options & OPTION_BUFFER_RESULT)
+  if (thd->lex->current_select->options & OPTION_BUFFER_RESULT &&
+      !thd->prelocked_mode)
     table->file->start_bulk_insert((ha_rows) 0);
   DBUG_RETURN(0);
 }
@@ -2391,6 +2398,7 @@ void select_insert::send_error(uint errcode,const char *err)
     */
     DBUG_VOID_RETURN;
   }
+  if (!thd->prelocked_mode)
     table->file->end_bulk_insert();
   /*
     If at least one row has been inserted/modified and will stay in the table
@@ -2447,7 +2455,7 @@ bool select_insert::send_eof()
   int error,error2;
   DBUG_ENTER("select_insert::send_eof");
 
-  error=table->file->end_bulk_insert();
+  error= (!thd->prelocked_mode) ? table->file->end_bulk_insert():0;
   table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
 
   /*
@@ -2556,6 +2564,7 @@ select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
   thd->cuted_fields=0;
   if (info.ignore || info.handle_duplicates != DUP_ERROR)
     table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
+  if (!thd->prelocked_mode)
     table->file->start_bulk_insert((ha_rows) 0);
   thd->no_trans_update= 0;
   thd->abort_on_warning= (!info.ignore &&

sql/sql_load.cc

@@ -367,6 +367,7 @@ bool mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
     if (ignore ||
 	handle_duplicates == DUP_REPLACE)
       table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
+    if (!thd->prelocked_mode)
       table->file->start_bulk_insert((ha_rows) 0);
     table->copy_blobs=1;
 
@@ -384,7 +385,7 @@ bool mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
       error= read_sep_field(thd, info, table_list, fields_vars,
                             set_fields, set_values, read_info,
 			    *enclosed, skip_lines, ignore);
-    if (table->file->end_bulk_insert() && !error)
+    if (!thd->prelocked_mode && table->file->end_bulk_insert() && !error)
     {
       table->file->print_error(my_errno, MYF(0));
       error= 1;

sql/sql_select.cc

@@ -12410,7 +12410,11 @@ find_order_in_list(THD *thd, Item **ref_pointer_array, TABLE_LIST *tables,
   Item **select_item; /* The corresponding item from the SELECT clause. */
   Field *from_field;  /* The corresponding field from the FROM clause. */
 
-  if (order_item->type() == Item::INT_ITEM)
+  /*
+    Local SP variables may be int but are expressions, not positions.
+    (And they can't be used before fix_fields is called for them).
+  */
+  if (order_item->type() == Item::INT_ITEM && order_item->basic_const_item())
   {						/* Order by position */
     uint count= (uint) order_item->val_int();
     if (!count || count > fields.elements)

sql/sql_view.cc

@@ -940,6 +940,7 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
       tbl->skip_temporary= 1;
       tbl->belong_to_view= top_view;
       tbl->referencing_view= table;
+      tbl->prelocking_placeholder= table->prelocking_placeholder;
       /*
         First we fill want_privilege with SELECT_ACL (this is needed for the
         tables which belongs to view subqueries and temporary table views,