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Merge dl145s.mysql.com:/users/mhansson/mysql/push/bug23856/my50-bug23856

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into  dl145s.mysql.com:/users/mhansson/mysql/push/bug23856/mysql-5.0o-pushee
This commit is contained in:
mhansson@dl145s.mysql.com
2007-05-22 14:48:49 +02:00
parent b50d17a9b5 6530f6806a
commit d6cf093408
6 changed files with 109 additions and 6 deletions
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5
sql/sql_select.cc
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@ -8800,7 +8800,7 @@ Field* create_tmp_field_from_field(THD *thd, Field* org_field,
Make sure that the blob fits into a Field_varstring which has
2-byte lenght.
*/
if (convert_blob_length && convert_blob_length < UINT_MAX16 &&
if (convert_blob_length && convert_blob_length <= Field_varstring::MAX_SIZE &&
(org_field->flags & BLOB_FLAG))
new_field= new Field_varstring(convert_blob_length,
org_field->maybe_null(),
@ -8891,7 +8891,8 @@ static Field *create_tmp_field_from_item(THD *thd, Item *item, TABLE *table,
2-byte lenght.
*/
else if (item->max_length/item->collation.collation->mbmaxlen > 255 &&
convert_blob_length < UINT_MAX16 && convert_blob_length)
convert_blob_length <= Field_varstring::MAX_SIZE &&
convert_blob_length)
new_field= new Field_varstring(convert_blob_length, maybe_null,
item->name, table,
item->collation.collation);