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dbix::class::storage::dbi::ado::ms_jet5.18
DBIx::Class::Storage::DBI::ADO::MS_Jet(3) User Contributed Perl Documentation DBIx::Class::Storage::DBI::ADO::MS_Jet(3)
NAME
DBIx::Class::Storage::DBI::ADO::MS_Jet - Support for MS Access over ADO
DESCRIPTION
This driver is a subclass of DBIx::Class::Storage::DBI::ADO and DBIx::Class::Storage::DBI::ACCESS for connecting to MS Access via DBD::ADO.
See the documentation for DBIx::Class::Storage::DBI::ACCESS for information on the MS Access driver for DBIx::Class.
This driver implements workarounds for "TEXT/IMAGE/MEMO" columns, sets the cursor_class to DBIx::Class::Storage::DBI::ADO::MS_Jet::Cursor
to normalize returned "GUID" values and provides DBIx::Class::InflateColumn::DateTime support for "DATETIME" columns.
EXAMPLE DSNs
# older Access versions:
dbi:ADO:Microsoft.Jet.OLEDB.4.0;Data Source=C:Users
kitoverDocumentsaccess_sample.accdb
# newer Access versions:
dbi:ADO:Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:Users
kitoverDocumentsaccess_sample.accdb;Persist Security Info=False'
TEXT
/IMAGE/MEMO COLUMNS
The ADO driver does not suffer from the problems the ODBC driver has with these types of columns. You can use them safely.
When you execute a "CREATE TABLE" statement over this driver with a "TEXT" column, it will be converted to "MEMO", while in the ODBC driver
it is converted to "VARCHAR(255)".
However, the caveat about LongReadLen having to be twice the max size of your largest "MEMO/TEXT" column +1 still applies. DBD::ADO sets
LongReadLen to a large value by default, so it should be safe to just leave it unset. If you do pass a LongReadLen in your connect_info, it
will be multiplied by two and 1 added, just as for the ODBC driver.
AUTHOR
See "AUTHOR" in DBIx::Class and "CONTRIBUTORS" in DBIx::Class.
LICENSE
You may distribute this code under the same terms as Perl itself.
perl v5.18.2 2013-09-24 DBIx::Class::Storage::DBI::ADO::MS_Jet(3)
