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.IX Title "DBIx::Class::Storage::DBI::ADO::MS_Jet 3pm"
.TH DBIx::Class::Storage::DBI::ADO::MS_Jet 3pm "2018-04-19" "perl v5.26.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
DBIx::Class::Storage::DBI::ADO::MS_Jet \- Support for MS Access over ADO
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This driver is a subclass of DBIx::Class::Storage::DBI::ADO and
DBIx::Class::Storage::DBI::ACCESS for connecting to \s-1MS\s0 Access via
\&\s-1DBD::ADO\s0.
.PP
See the documentation for DBIx::Class::Storage::DBI::ACCESS for
information on the \s-1MS\s0 Access driver for DBIx::Class.
.PP
This driver implements workarounds for \f(CW\*(C`TEXT/IMAGE/MEMO\*(C'\fR columns, sets the
cursor_class to
DBIx::Class::Storage::DBI::ADO::MS_Jet::Cursor to normalize returned
\&\f(CW\*(C`GUID\*(C'\fR values and provides DBIx::Class::InflateColumn::DateTime support
for \f(CW\*(C`DATETIME\*(C'\fR columns.
.SH "EXAMPLE DSNs"
.IX Header "EXAMPLE DSNs"
.Vb 2
\&  # older Access versions:
\&  dbi:ADO:Microsoft.Jet.OLEDB.4.0;Data Source=C:\eUsers\erkitover\eDocuments\eaccess_sample.accdb
\&
\&  # newer Access versions:
\&  dbi:ADO:Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\eUsers\erkitover\eDocuments\eaccess_sample.accdb;Persist Security Info=False\*(Aq
.Ve
.SH "TEXT/IMAGE/MEMO COLUMNS"
.IX Header "TEXT/IMAGE/MEMO COLUMNS"
The \s-1ADO\s0 driver does not suffer from the
problems
the \s-1ODBC\s0 driver has with these types
of columns. You can use them safely.
.PP
When you execute a \f(CW\*(C`CREATE TABLE\*(C'\fR statement over this driver with a \f(CW\*(C`TEXT\*(C'\fR
column, it will be converted to \f(CW\*(C`MEMO\*(C'\fR, while in the
\&\s-1ODBC\s0 driver it is converted to
\&\f(CW\*(C`VARCHAR(255)\*(C'\fR.
.PP
However, the caveat about LongReadLen having to be twice the
max size of your largest \f(CW\*(C`MEMO/TEXT\*(C'\fR column \f(CW+1\fR still applies. \s-1DBD::ADO\s0
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 \f(CW1\fR added, just as for the
\&\s-1ODBC\s0 driver.
.SH "FURTHER QUESTIONS?"
.IX Header "FURTHER QUESTIONS?"
Check the list of additional \s-1DBIC\s0 resources.
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This module is free software copyright
by the DBIx::Class (\s-1DBIC\s0) authors. You can
redistribute it and/or modify it under the same terms as the
DBIx::Class library.