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

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into  mysql.com:/home/mydev/mysql-5.0-bug13707
This commit is contained in:
ingo@mysql.com 2005-11-21 15:28:21 +01:00
commit a0f14eb8ef
1 changed files with 12 additions and 9 deletions
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9
sql/field.cc
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@ -6194,6 +6194,8 @@ uint Field_string::max_packed_col_length(uint max_length)
Field *Field_string::new_field(MEM_ROOT *root, struct st_table *new_table) Field *Field_string::new_field(MEM_ROOT *root, struct st_table *new_table)
{ {
Field *new_field;
if (type() != MYSQL_TYPE_VAR_STRING || table == new_table) if (type() != MYSQL_TYPE_VAR_STRING || table == new_table)
return Field::new_field(root, new_table); return Field::new_field(root, new_table);
@ -6202,15 +6204,16 @@ Field *Field_string::new_field(MEM_ROOT *root, struct st_table *new_table)
This is done to ensure that ALTER TABLE will convert old VARCHAR fields This is done to ensure that ALTER TABLE will convert old VARCHAR fields
to now VARCHAR fields. to now VARCHAR fields.
*/ */
Field *new_field= new Field_varstring(field_length, maybe_null(), if (new_field= new Field_varstring(field_length, maybe_null(),
field_name, new_table, field_name, new_table, charset()))
charset()); {
/* /*
delayed_insert::get_local_table() needs a ptr copied from old table. delayed_insert::get_local_table() needs a ptr copied from old table.
This is what other new_field() methods do too. The above method of This is what other new_field() methods do too. The above method of
Field_varstring sets ptr to NULL. Field_varstring sets ptr to NULL.
*/ */
new_field->ptr= ptr; new_field->ptr= ptr;
}
return new_field; return new_field;
} }