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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0

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into sunlight.local:/local_work/16281-bug-5.0-mysql
This commit is contained in:
evgen@sunlight.local
2006-04-05 13:30:51 +04:00
parent 562386b9a9 b9949ed9c7
commit d07240599d
2 changed files with 11 additions and 3 deletions
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9
sql/field.h
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@@ -986,20 +986,23 @@ public:
class Field_string :public Field_longstr {
public:
bool can_alter_field_type;
Field_string(char *ptr_arg, uint32 len_arg,uchar *null_ptr_arg,
uchar null_bit_arg,
enum utype unireg_check_arg, const char *field_name_arg,
struct st_table *table_arg, CHARSET_INFO *cs)
:Field_longstr(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
unireg_check_arg, field_name_arg, table_arg, cs) {};
unireg_check_arg, field_name_arg, table_arg, cs),
can_alter_field_type(1) {};
Field_string(uint32 len_arg,bool maybe_null_arg, const char *field_name_arg,
struct st_table *table_arg, CHARSET_INFO *cs)
:Field_longstr((char*) 0, len_arg, maybe_null_arg ? (uchar*) "": 0, 0,
NONE, field_name_arg, table_arg, cs) {};
NONE, field_name_arg, table_arg, cs),
can_alter_field_type(1) {};
enum_field_types type() const
{
return ((orig_table &&
return ((can_alter_field_type && orig_table &&
orig_table->s->db_create_options & HA_OPTION_PACK_RECORD &&
field_length >= 4) &&
orig_table->s->frm_version < FRM_VER_TRUE_VARCHAR ?