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.IX Title "DBIx::SearchBuilder::Handle::Pg 3pm"
.TH DBIx::SearchBuilder::Handle::Pg 3pm "2021-01-24" "perl v5.32.0" "User Contributed Perl Documentation"
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.SH "NAME"
.Vb 1
\&  DBIx::SearchBuilder::Handle::Pg \- A Postgres specific Handle object
.Ve
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module provides a subclass of DBIx::SearchBuilder::Handle that 
compensates for some of the idiosyncrasies of Postgres.
.SH "METHODS"
.IX Header "METHODS"
.SS "Connect"
.IX Subsection "Connect"
Connect takes a hashref and passes it off to SUPER::Connect;
Forces the timezone to \s-1GMT\s0
it returns a database handle.
.SS "BuildDSN"
.IX Subsection "BuildDSN"
Extend \*(L"BuildDNS\*(R" in DBIx::SearchBuilder::Handle to force
\&\f(CW\*(C`client_encoding\*(C'\fR to be \s-1UTF\-8,\s0 so that character strings can be
safely passed to, and retrieved from, the database.  See
\&\*(L"Encoding\*(R" in DBD::Pg.
.SS "Insert"
.IX Subsection "Insert"
Takes a table name as the first argument and assumes
that the rest of the arguments are an array of key-value
pairs to be inserted.
.PP
In case of insert failure, returns a Class::ReturnValue
object preloaded with error info.
.SS "InsertQueryString"
.IX Subsection "InsertQueryString"
Postgres sepcific overriding method for
\&\*(L"InsertQueryString\*(R" in DBIx::SearchBuilder::Handle.
.SS "IdSequenceName \s-1TABLE\s0"
.IX Subsection "IdSequenceName TABLE"
Takes a \s-1TABLE\s0 name and returns the name of the  sequence of the primary key for that table.
.SS "BinarySafeBLOBs"
.IX Subsection "BinarySafeBLOBs"
Return undef, as no current version of postgres supports binary-safe blobs
.SS "ApplyLimits \s-1STATEMENTREF ROWS_PER_PAGE FIRST_ROW\s0"
.IX Subsection "ApplyLimits STATEMENTREF ROWS_PER_PAGE FIRST_ROW"
takes an \s-1SQL SELECT\s0 statement and massages it to return \s-1ROWS_PER_PAGE\s0 starting with \s-1FIRST_ROW\s0;
.SS "_MakeClauseCaseInsensitive \s-1FIELD OPERATOR VALUE\s0"
.IX Subsection "_MakeClauseCaseInsensitive FIELD OPERATOR VALUE"
Takes a field, operator and value. performs the magic necessary to make
your database treat this clause as case insensitive.
.PP
Returns a \s-1FIELD OPERATOR VALUE\s0 triple.
.SS "DistinctQuery \s-1STATEMENTREF\s0"
.IX Subsection "DistinctQuery STATEMENTREF"
takes an incomplete \s-1SQL SELECT\s0 statement and massages it to return a \s-1DISTINCT\s0 result set.
.SS "SimpleDateTimeFunctions"
.IX Subsection "SimpleDateTimeFunctions"
Returns hash reference with specific date time functions of this
database for \*(L"DateTimeFunction\*(R" in DBIx::SearchBuilder::Handle.
.SS "ConvertTimezoneFunction"
.IX Subsection "ConvertTimezoneFunction"
Custom implementation of \*(L"ConvertTimezoneFunction\*(R" in DBIx::SearchBuilder::Handle.
.PP
In Pg time and timestamp data types may be \*(L"with time zone\*(R" or \*(L"without time zone\*(R".
So if Field argument is timestamp \*(L"with time zone\*(R" then From argument is not
required and is useless. Otherwise From argument identifies time zone of the Field
argument that is \*(L"without time zone\*(R".
.PP
For consistency with other DBs use timestamp columns without time zones and provide
From argument.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
DBIx::SearchBuilder, DBIx::SearchBuilder::Handle