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Add 0x before pointers (to help with debugging)

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Add support for VARCHAR with 1 or 2 length bytes
Enable VARCHAR packing in MyISAM files (previous patch didn't pack data properly)
Give error if we got problems in temporary tables during a SELECT
Don't use new table generated by ALTER TABLE if index generation fails
Fixed wrong call by range_end() (Could cause an ASSERT in debug mode)
This commit is contained in:
monty@mysql.com
2004-12-18 05:19:21 +02:00
parent b4dc75c877
commit 3fb088a075
57 changed files with 1417 additions and 472 deletions
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7
sql/sql_select.h
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@ -420,12 +420,15 @@ class store_key :public Sql_alloc
:null_ptr(null),err(0)
{
if (field_arg->type() == FIELD_TYPE_BLOB)
to_field=new Field_varstring(ptr, length, (uchar*) null, 1,
{
/* Key segments are always packed with a 2 byte length prefix */
to_field=new Field_varstring(ptr, length, 2, (uchar*) null, 1,
Field::NONE, field_arg->field_name,
field_arg->table, field_arg->charset());
}
else
{
to_field=field_arg->new_field(thd->mem_root,field_arg->table);
to_field=field_arg->new_key_field(thd->mem_root, field_arg->table);
if (to_field)
to_field->move_field(ptr, (uchar*) null, 1);
}