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

into  mysql.com:/usr/local/mysql/mysql-5.0-release
parents b76a6873 d9cb536a
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Showing with 71 additions and 75 deletions
sql/item.cc
View file @ 4a6a237f
......@@ -1315,35 +1315,37 @@ void my_coll_agg_error(DTCollation &c1, DTCollation &c2, DTCollation &c3,
static
void my_coll_agg_error(Item** args, uint count, const char *fname)
void my_coll_agg_error(Item** args, uint count, const char *fname,
int item_sep)
{
if (count == 2)
my_coll_agg_error(args[0]->collation, args[1]->collation, fname);
my_coll_agg_error(args[0]->collation, args[item_sep]->collation, fname);
else if (count == 3)
my_coll_agg_error(args[0]->collation, args[1]->collation,
args[2]->collation, fname);
my_coll_agg_error(args[0]->collation, args[item_sep]->collation,
args[2*item_sep]->collation, fname);
else
my_error(ER_CANT_AGGREGATE_NCOLLATIONS,MYF(0),fname);
}
bool agg_item_collations(DTCollation &c, const char *fname,
Item **av, uint count, uint flags)
Item **av, uint count, uint flags, int item_sep)
{
uint i;
Item **arg;
c.set(av[0]->collation);
for (i= 1; i < count; i++)
for (i= 1, arg= &av[item_sep]; i < count; i++, arg++)
{
if (c.aggregate(av[i]->collation, flags))
if (c.aggregate((*arg)->collation, flags))
{
my_coll_agg_error(av, count, fname);
my_coll_agg_error(av, count, fname, item_sep);
return TRUE;
}
}
if ((flags & MY_COLL_DISALLOW_NONE) &&
c.derivation == DERIVATION_NONE)
{
my_coll_agg_error(av, count, fname);
my_coll_agg_error(av, count, fname, item_sep);
return TRUE;
}
return FALSE;
......@@ -1354,7 +1356,7 @@ bool agg_item_collations_for_comparison(DTCollation &c, const char *fname,
Item **av, uint count, uint flags)
{
return (agg_item_collations(c, fname, av, count,
flags | MY_COLL_DISALLOW_NONE));
flags | MY_COLL_DISALLOW_NONE, 1));
}
......@@ -1377,13 +1379,22 @@ bool agg_item_collations_for_comparison(DTCollation &c, const char *fname,
For functions with more than two arguments:
collect(A,B,C) ::= collect(collect(A,B),C)
Since this function calls THD::change_item_tree() on the passed Item **
pointers, it is necessary to pass the original Item **'s, not copies.
Otherwise their values will not be properly restored (see BUG#20769).
If the items are not consecutive (eg. args[2] and args[5]), use the
item_sep argument, ie.
agg_item_charsets(coll, fname, &args[2], 2, flags, 3)
*/
bool agg_item_charsets(DTCollation &coll, const char *fname,
Item **args, uint nargs, uint flags)
Item **args, uint nargs, uint flags, int item_sep)
{
Item **arg, **last, *safe_args[2];
if (agg_item_collations(coll, fname, args, nargs, flags))
Item **arg, *safe_args[2];
if (agg_item_collations(coll, fname, args, nargs, flags, item_sep))
return TRUE;
/*
......@@ -1396,19 +1407,20 @@ bool agg_item_charsets(DTCollation &coll, const char *fname,
if (nargs >=2 && nargs <= 3)
{
safe_args[0]= args[0];
safe_args[1]= args[1];
safe_args[1]= args[item_sep];
}
THD *thd= current_thd;
Query_arena *arena, backup;
bool res= FALSE;
uint i;
/*
In case we're in statement prepare, create conversion item
in its memory: it will be reused on each execute.
*/
arena= thd->activate_stmt_arena_if_needed(&backup);
for (arg= args, last= args + nargs; arg < last; arg++)
for (i= 0, arg= args; i < nargs; i++, arg+= item_sep)
{
Item* conv;
uint32 dummy_offset;
......@@ -1423,9 +1435,9 @@ bool agg_item_charsets(DTCollation &coll, const char *fname,
{
/* restore the original arguments for better error message */
args[0]= safe_args[0];
args[1]= safe_args[1];
args[item_sep]= safe_args[1];
}
my_coll_agg_error(args, nargs, fname);
my_coll_agg_error(args, nargs, fname, item_sep);
res= TRUE;
break; // we cannot return here, we need to restore "arena".
}
......
sql/item.h
View file @ 4a6a237f
......@@ -1075,12 +1075,11 @@ class Item_name_const : public Item
};
bool agg_item_collations(DTCollation &c, const char *name,
Item **items, uint nitems, uint flags= 0);
Item **items, uint nitems, uint flags, int item_sep);
bool agg_item_collations_for_comparison(DTCollation &c, const char *name,
Item **items, uint nitems,
uint flags= 0);
Item **items, uint nitems, uint flags);
bool agg_item_charsets(DTCollation &c, const char *name,
Item **items, uint nitems, uint flags= 0);
Item **items, uint nitems, uint flags, int item_sep);
class Item_num: public Item
......
sql/item_cmpfunc.cc
View file @ 4a6a237f
......@@ -394,7 +394,7 @@ void Item_bool_func2::fix_length_and_dec()
DTCollation coll;
if (args[0]->result_type() == STRING_RESULT &&
args[1]->result_type() == STRING_RESULT &&
agg_arg_charsets(coll, args, 2, MY_COLL_CMP_CONV))
agg_arg_charsets(coll, args, 2, MY_COLL_CMP_CONV, 1))
return;
......@@ -1211,7 +1211,7 @@ void Item_func_between::fix_length_and_dec()
agg_cmp_type(thd, &cmp_type, args, 3);
if (cmp_type == STRING_RESULT)
agg_arg_charsets(cmp_collation, args, 3, MY_COLL_CMP_CONV);
agg_arg_charsets(cmp_collation, args, 3, MY_COLL_CMP_CONV, 1);
}
......@@ -1331,7 +1331,7 @@ Item_func_ifnull::fix_length_and_dec()
switch (hybrid_type) {
case STRING_RESULT:
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV);
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV, 1);
break;
case DECIMAL_RESULT:
case REAL_RESULT:
......@@ -1503,7 +1503,7 @@ Item_func_if::fix_length_and_dec()
agg_result_type(&cached_result_type, args+1, 2);
if (cached_result_type == STRING_RESULT)
{
if (agg_arg_charsets(collation, args+1, 2, MY_COLL_ALLOW_CONV))
if (agg_arg_charsets(collation, args+1, 2, MY_COLL_ALLOW_CONV, 1))
return;
}
else
......@@ -1584,7 +1584,7 @@ Item_func_nullif::fix_length_and_dec()
unsigned_flag= args[0]->unsigned_flag;
cached_result_type= args[0]->result_type();
if (cached_result_type == STRING_RESULT &&
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV))
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV, 1))
return;
}
}
......@@ -1876,7 +1876,7 @@ void Item_func_case::fix_length_and_dec()
agg_result_type(&cached_result_type, agg, nagg);
if ((cached_result_type == STRING_RESULT) &&
agg_arg_charsets(collation, agg, nagg, MY_COLL_ALLOW_CONV))
agg_arg_charsets(collation, agg, nagg, MY_COLL_ALLOW_CONV, 1))
return;
......@@ -1892,7 +1892,7 @@ void Item_func_case::fix_length_and_dec()
nagg++;
agg_cmp_type(thd, &cmp_type, agg, nagg);
if ((cmp_type == STRING_RESULT) &&
agg_arg_charsets(cmp_collation, agg, nagg, MY_COLL_CMP_CONV))
agg_arg_charsets(cmp_collation, agg, nagg, MY_COLL_CMP_CONV, 1))
return;
}
......@@ -2022,7 +2022,7 @@ void Item_func_coalesce::fix_length_and_dec()
case STRING_RESULT:
count_only_length();
decimals= NOT_FIXED_DEC;
agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV);
agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV, 1);
break;
case DECIMAL_RESULT:
count_decimal_length();
......@@ -2486,7 +2486,7 @@ void Item_func_in::fix_length_and_dec()
agg_cmp_type(thd, &cmp_type, args, arg_count);
if (cmp_type == STRING_RESULT &&
agg_arg_charsets(cmp_collation, args, arg_count, MY_COLL_CMP_CONV))
agg_arg_charsets(cmp_collation, args, arg_count, MY_COLL_CMP_CONV, 1))
return;
for (arg=args+1, arg_end=args+arg_count; arg != arg_end ; arg++)
......@@ -3219,7 +3219,7 @@ Item_func_regex::fix_fields(THD *thd, Item **ref)
max_length= 1;
decimals= 0;
if (agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV))
if (agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV, 1))
return TRUE;
used_tables_cache=args[0]->used_tables() | args[1]->used_tables();
......
sql/item_func.cc
View file @ 4a6a237f
......@@ -2038,7 +2038,7 @@ void Item_func_min_max::fix_length_and_dec()
cmp_type=item_cmp_type(cmp_type,args[i]->result_type());
}
if (cmp_type == STRING_RESULT)
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV);
agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV, 1);
else if ((cmp_type == DECIMAL_RESULT) || (cmp_type == INT_RESULT))
max_length= my_decimal_precision_to_length(max_int_part+decimals, decimals,
unsigned_flag);
......@@ -2227,7 +2227,7 @@ longlong Item_func_coercibility::val_int()
void Item_func_locate::fix_length_and_dec()
{
maybe_null=0; max_length=11;
agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV);
agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV, 1);
}
......@@ -2344,7 +2344,7 @@ void Item_func_field::fix_length_and_dec()
for (uint i=1; i < arg_count ; i++)
cmp_type= item_cmp_type(cmp_type, args[i]->result_type());
if (cmp_type == STRING_RESULT)
agg_arg_charsets(cmp_collation, args, arg_count, MY_COLL_CMP_CONV);
agg_arg_charsets(cmp_collation, args, arg_count, MY_COLL_CMP_CONV, 1);
}
......@@ -2411,7 +2411,7 @@ void Item_func_find_in_set::fix_length_and_dec()
}
}
}
agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV);
agg_arg_charsets(cmp_collation, args, 2, MY_COLL_CMP_CONV, 1);
}
static const char separator=',';
......@@ -4401,7 +4401,8 @@ bool Item_func_match::fix_fields(THD *thd, Item **ref)
return 1;
}
table->fulltext_searched=1;
return agg_arg_collations_for_comparison(cmp_collation, args+1, arg_count-1);
return agg_arg_collations_for_comparison(cmp_collation,
args+1, arg_count-1, 0);
}
bool Item_func_match::fix_index()
......
sql/item_func.h
View file @ 4a6a237f
......@@ -166,21 +166,21 @@ class Item_func :public Item_result_field
my_decimal *val_decimal(my_decimal *);
bool agg_arg_collations(DTCollation &c, Item **items, uint nitems,
uint flags= 0)
uint flags)
{
return agg_item_collations(c, func_name(), items, nitems, flags);
return agg_item_collations(c, func_name(), items, nitems, flags, 1);
}
bool agg_arg_collations_for_comparison(DTCollation &c,
Item **items, uint nitems,
uint flags= 0)
uint flags)
{
return agg_item_collations_for_comparison(c, func_name(),
items, nitems, flags);
}
bool agg_arg_charsets(DTCollation &c, Item **items, uint nitems,
uint flags= 0)
uint flags, int item_sep)
{
return agg_item_charsets(c, func_name(), items, nitems, flags);
return agg_item_charsets(c, func_name(), items, nitems, flags, item_sep);
}
bool walk(Item_processor processor, byte *arg);
Item *transform(Item_transformer transformer, byte *arg);
......
sql/item_strfunc.cc
View file @ 4a6a237f
......@@ -405,7 +405,7 @@ void Item_func_concat::fix_length_and_dec()
{
ulonglong max_result_length= 0;
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV))
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV, 1))
return;
for (uint i=0 ; i < arg_count ; i++)
......@@ -727,7 +727,7 @@ void Item_func_concat_ws::fix_length_and_dec()
{
ulonglong max_result_length;
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV))
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV, 1))
return;
/*
......@@ -937,7 +937,7 @@ void Item_func_replace::fix_length_and_dec()
}
max_length= (ulong) max_result_length;
if (agg_arg_charsets(collation, args, 3, MY_COLL_CMP_CONV))
if (agg_arg_charsets(collation, args, 3, MY_COLL_CMP_CONV, 1))
return;
}
......@@ -982,15 +982,11 @@ String *Item_func_insert::val_str(String *str)
void Item_func_insert::fix_length_and_dec()
{
Item *cargs[2];
ulonglong max_result_length;
cargs[0]= args[0];
cargs[1]= args[3];
if (agg_arg_charsets(collation, cargs, 2, MY_COLL_ALLOW_CONV))
// Handle character set for args[0] and args[3].
if (agg_arg_charsets(collation, &args[0], 2, MY_COLL_ALLOW_CONV, 3))
return;
args[0]= cargs[0];
args[3]= cargs[1];
max_result_length= ((ulonglong) args[0]->max_length+
(ulonglong) args[3]->max_length);
if (max_result_length >= MAX_BLOB_WIDTH)
......@@ -1161,7 +1157,7 @@ void Item_func_substr_index::fix_length_and_dec()
{
max_length= args[0]->max_length;
if (agg_arg_charsets(collation, args, 2, MY_COLL_CMP_CONV))
if (agg_arg_charsets(collation, args, 2, MY_COLL_CMP_CONV, 1))
return;
}
......@@ -1497,13 +1493,10 @@ void Item_func_trim::fix_length_and_dec()
}
else
{
Item *cargs[2];
cargs[0]= args[1];
cargs[1]= args[0];
if (agg_arg_charsets(collation, cargs, 2, MY_COLL_CMP_CONV))
// Handle character set for args[1] and args[0].
// Note that we pass args[1] as the first item, and args[0] as the second.
if (agg_arg_charsets(collation, &args[1], 2, MY_COLL_CMP_CONV, -1))
return;
args[0]= cargs[1];
args[1]= cargs[0];
}
}
......@@ -1887,7 +1880,7 @@ void Item_func_elt::fix_length_and_dec()
max_length=0;
decimals=0;
if (agg_arg_charsets(collation, args+1, arg_count-1, MY_COLL_ALLOW_CONV))
if (agg_arg_charsets(collation, args+1, arg_count-1, MY_COLL_ALLOW_CONV, 1))
return;
for (uint i= 1 ; i < arg_count ; i++)
......@@ -1954,7 +1947,7 @@ void Item_func_make_set::fix_length_and_dec()
{
max_length=arg_count-1;
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV))
if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV, 1))
return;
for (uint i=0 ; i < arg_count ; i++)
......@@ -2162,14 +2155,9 @@ String *Item_func_repeat::val_str(String *str)
void Item_func_rpad::fix_length_and_dec()
{
Item *cargs[2];
cargs[0]= args[0];
cargs[1]= args[2];
if (agg_arg_charsets(collation, cargs, 2, MY_COLL_ALLOW_CONV))
// Handle character set for args[0] and args[2].
if (agg_arg_charsets(collation, &args[0], 2, MY_COLL_ALLOW_CONV, 2))
return;
args[0]= cargs[0];
args[2]= cargs[1];
if (args[1]->const_item())
{
ulonglong length= ((ulonglong) args[1]->val_int() *
......@@ -2249,13 +2237,9 @@ String *Item_func_rpad::val_str(String *str)
void Item_func_lpad::fix_length_and_dec()
{
Item *cargs[2];
cargs[0]= args[0];
cargs[1]= args[2];
if (agg_arg_charsets(collation, cargs, 2, MY_COLL_ALLOW_CONV))
// Handle character set for args[0] and args[2].
if (agg_arg_charsets(collation, &args[0], 2, MY_COLL_ALLOW_CONV, 2))
return;
args[0]= cargs[0];
args[2]= cargs[1];
if (args[1]->const_item())
{
......@@ -2712,8 +2696,8 @@ void Item_func_export_set::fix_length_and_dec()
uint sep_length=(arg_count > 3 ? args[3]->max_length : 1);
max_length=length*64+sep_length*63;
if (agg_arg_charsets(collation, args+1, min(4,arg_count)-1),
MY_COLL_ALLOW_CONV)
if (agg_arg_charsets(collation, args+1, min(4,arg_count)-1,
MY_COLL_ALLOW_CONV, 1))
return;
}
......
sql/item_sum.cc
View file @ 4a6a237f
......@@ -3229,7 +3229,7 @@ Item_func_group_concat::fix_fields(THD *thd, Item **ref)
args,
/* skip charset aggregation for order columns */
arg_count - arg_count_order,
MY_COLL_ALLOW_CONV))
MY_COLL_ALLOW_CONV, 1))
return 1;
result.set_charset(collation.collation);
......
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