public void CreatePatch(DocumentMapping mapping, IDDLRunner runner)
{
var systemFields = new string[] { DocumentMapping.LastModifiedColumn, DocumentMapping.DotNetTypeColumn, DocumentMapping.VersionColumn };
var missingNonSystemFields = Missing.Where(x => !systemFields.Contains(x.Name)).ToArray();
var fields = missingNonSystemFields.Select(x => mapping.FieldForColumn(x.Name)).ToArray();
if (fields.Length != missingNonSystemFields.Length)
{
throw new InvalidOperationException("The expected columns did not match with the DocumentMapping");
}
var missingSystemColumns = Missing.Where(x => systemFields.Contains(x.Name)).ToArray();
if (missingSystemColumns.Any())
{
missingSystemColumns.Each(col =>
{
var patch =
$"alter table {_tableName.QualifiedName} add column {col.ToDeclaration(col.Name.Length + 1)};";
runner.Apply(this, patch);
});
}
fields.Each(x => x.WritePatch(mapping, runner));
}
