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.IX Title "Bigtop::Backend::SQL::Postgres 3"
.TH Bigtop::Backend::SQL::Postgres 3 "2008-01-18" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Bigtop::Backend::SQL::Postgres \- backend to generate sql for Postgres database creation
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
If your bigtop file looks like this:
.PP
.Vb 5
\&    config {
\&        SQL  Postgres {}
\&    }
\&    app App::Name {
\&    }
.Ve
.PP
and there are table and/or sequence blocks in the app block, this
module will make docs/schema.postgres (relative to the build_dir) when
you type:
.PP
.Vb 1
\&    bigtop app.bigtop SQL
.Ve
.PP
or
.PP
.Vb 1
\&    bigtop app.bigtop all
.Ve
.PP
You can feed that file directly to psql, once you have created
a database.  That is type:
.PP
.Vb 2
\&    createdb dbname -U user
\&    psql dbname -U user < docs/schema.postgres
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This is a Bigtop backend which generates \s-1SQL\s0 Postgres can understand.
.SH "KEYWORDS"
.IX Header "KEYWORDS"
This module defines no keywords.  Look in Bigtop::SQL for a list
of the keywords you can use in table and sequence blocks.
.SH "SHORTHAND for is arguments"
.IX Header "SHORTHAND for is arguments"
This module does provide a couple of bits of shorthand (some aren't so short)
for the arguments of the is field statement.
.PP
.Vb 3
\&    field id {
\&        is int4, primary_key, auto;
\&    }
.Ve
.PP
This translates into:
.PP
.Vb 1
\&    id int4 PRIMARY KEY DEFAULT NEXTVAL( 'your_sequence' ),
.Ve
.PP
You can also type 'assign_by_sequence' instead of 'auto'.  That might
aid understanding, if you can type it correctly.
.PP
Note that using 'primary_key' instead of the literal '\s-1PRIMARY\s0 \s-1KEY\s0' is
important.  It tells the \s-1SQL\s0 and the Model back ends that this is the
primary key.
.SH "METHODS"
.IX Header "METHODS"
To keep podcoverage tests happy.
.IP "backend_block_keywords" 4
.IX Item "backend_block_keywords"
Tells tentmaker that I understand these config section backend block keywords:
.Sp
.Vb 2
\&    no_gen
\&    template
.Ve
.IP "what_do_you_make" 4
.IX Item "what_do_you_make"
Tells tentmaker what this module makes.  Summary: docs/schema.postgres.
.IP "gen_SQL" 4
.IX Item "gen_SQL"
Called by Bigtop::Parser to get me to do my thing.
.IP "setup_template" 4
.IX Item "setup_template"
Called by Bigtop::Parser so the user can substitute an alternate template
for the hard coded one here.
.SH "AUTHOR"
.IX Header "AUTHOR"
Phil Crow <crow.phil@gmail.com>
.SH "COPYRIGHT and LICENSE"
.IX Header "COPYRIGHT and LICENSE"
Copyright (C) 2005 by Phil Crow
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.6 or,
at your option, any later version of Perl 5 you may have available.