Attachment 101009 Details for Bug 24883 – Bug 24883: Command line utility to load yaml files

[patch] Bug 24883: Command line utility to load yaml files

Bug-24883-Command-line-utility-to-load-yaml-files.patch (text/plain), 3.57 KB, created by Jonathan Druart on 2020-03-19 12:24:35 UTC

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Creator: Jonathan Druart

Created: 2020-03-19 12:24:35 UTC

Size: 3.57 KB

patch

obsolete

>From 7e4ac610769e51018670d77b3d2c35a49ae0e23b Mon Sep 17 00:00:00 2001
>From: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
>Date: Mon, 16 Mar 2020 18:44:44 -0300
>Subject: [PATCH] Bug 24883: Command line utility to load yaml files
>
>This patch adds a command line utility to load
>yaml files.
>
>To test:
>1) Apply the patch
>2) Try loading a file, e.g. sample notices
> a) mysql -e "delete from letter"
> b) misc/load_yaml.pl -f installer/data/mysql/en/mandatory/sample_notices.yml
>3) Try loading a file with a syntax error,
>   edit previous file adding ':' at the end of a field without quotes
>   then load again
>---
> misc/load_yaml.pl | 88 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 88 insertions(+)
> create mode 100755 misc/load_yaml.pl
>
>diff --git a/misc/load_yaml.pl b/misc/load_yaml.pl
>new file mode 100755
>index 0000000000..e670f56660
>--- /dev/null
>+++ b/misc/load_yaml.pl
>@@ -0,0 +1,88 @@
>+#!/usr/bin/perl
>+#
>+#  Copyright 2020 Koha Development Team
>+#
>+#  This file is part of Koha.
>+#
>+# Koha is free software; you can redistribute it and/or modify it
>+# under the terms of the GNU General Public License as published by
>+# the Free Software Foundation; either version 3 of the License, or
>+# (at your option) any later version.
>+#
>+# Koha is distributed in the hope that it will be useful, but
>+# WITHOUT ANY WARRANTY; without even the implied warranty of
>+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>+# GNU General Public License for more details.
>+#
>+# You should have received a copy of the GNU General Public License
>+# along with Koha; if not, see <http://www.gnu.org/licenses>.
>+
>+use Modern::Perl;
>+
>+use YAML::Syck qw( LoadFile );
>+use C4::Context;
>+use Getopt::Long qw(:config no_ignore_case);
>+use Data::Printer;
>+
>+sub print_usage {
>+     ( my $basename = $0 ) =~ s|.*/||;
>+     print <<USAGE;
>+
>+$basename
>+ Load file in YAML format into database
>+
>+Usage:
>+$0 [--file=FILE]
>+$0 -h
>+
>+ -f, --file=FILE         File to load.
>+ -h, --help              Show this help
>+
>+USAGE
>+}
>+
>+# Getting parameters
>+my $file;
>+my $help;
>+
>+GetOptions(
>+ 'file|f=s'     => \$file,
>+ 'help|h'       => \$help
>+) or print_usage, exit 1;
>+
>+if ($help or not $file) {
>+ print_usage;
>+ exit;
>+}
>+
>+my $dbh  = C4::Context->dbh;
>+my $yaml;
>+eval {
>+    $yaml = LoadFile( $file );                                    # Load YAML
>+};
>+if ($@){
>+    die "Something went wrong loading file $file ($@)";
>+}
>+
>+for my $table ( @{ $yaml->{'tables'} } ) {
>+    my $table_name   = ( keys %$table )[0];                          # table name
>+    my @rows         = @{ $table->{$table_name}->{rows} };           #
>+    my @columns      = ( sort keys %{$rows[0]} );                    # column names
>+    my $fields       = join ",", map{sprintf("`%s`", $_)} @columns;  # idem, joined
>+    my $placeholders = join ",", map { "?" } @columns;               # '?,..,?' string
>+    my $query        = "INSERT INTO $table_name ( $fields ) VALUES ( $placeholders )";
>+    my $sth          = $dbh->prepare($query);
>+    my @multiline    = @{ $table->{$table_name}->{'multiline'} };    # to check multiline values;
>+    foreach my $row ( @rows ) {
>+        my @values = map {
>+                        my $col = $_;
>+                        ( @multiline and grep { $_ eq $col } @multiline )
>+                        ? join "\r\n", @{$row->{$col}}                # join multiline values
>+                        : $row->{$col};
>+                     } @columns;
>+        $sth->execute( @values );
>+    }
>+}
>+for my $statement ( @{ $yaml->{'sql_statements'} } ) {               # extra SQL statements
>+    $dbh->do($statement);
>+}
>-- 
>2.20.1

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