NAME

OMOP::CSV::Validator - Validates OMOP CDM CSV files against their expected data types

SYNOPSIS

use OMOP::CSV::Validator;

my $validator = OMOP::CSV::Validator->new();

# Load schemas from DDL
my $schemas = $validator->load_schemas_from_ddl($ddl_text);

# Retrieve specific table schema for a CSV file
my $schema = $validator->get_schema_from_csv_filename($csv_file, $schemas);

# Validate CSV file
my $errors  = $validator->validate_csv_file($csv_file, $schema);
if (@$errors) {
    print "Validation errors found:\n";
    for my $err_info (@$errors) {
        print "Row $err_info->{row}:\n";
        for my $e (@{ $err_info->{errors} }) {
            print "  $e\n";
        }
    }
} else {
    print "CSV is valid.\n";
}

DESCRIPTION

OMOP::CSV::Validator is a CLI tool and Perl module designed to validate OMOP Common Data Model (CDM) CSV files. It auto-generates JSON schemas from PostgreSQL DDL files and then validates CSV rows against those schemas.

METHODS

AUTHOR

Written by Manuel Rueda, PhD. Info about CNAG can be found at https://www.cnag.eu.

LICENSE

This module is free software; you may redistribute it and/or modify it under the same terms as Perl itself.