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Manual Reference Pages  -  DBIX::CLASS::STORAGE::DBI::ADO::MS_JET (3)

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NAME

DBIx::Class::Storage::DBI::ADO::MS_Jet - Support for MS Access over ADO

CONTENTS

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\rkitover\Documents\access_sample.accdb

  # newer Access versions:
  dbi:ADO:Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\rkitover\Documents\access_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.

FURTHER QUESTIONS?

Check the list of additional DBIC resources.

COPYRIGHT AND LICENSE

This module is free software copyright by the DBIx::Class (DBIC) authors. You can redistribute it and/or modify it under the same terms as the DBIx::Class library.
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perl v5.20.3 DBIX::CLASS::STORAGE::DBI::ADO::MS_JET (3) 2016-02-09

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