debian-mirror-gitlab/lib/gitlab/database/grant.rb

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# frozen_string_literal: true
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module Gitlab
module Database
# Model that can be used for querying permissions of a SQL user.
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class Grant
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# Returns true if the current user can create and execute triggers on the
# given table.
def self.create_and_execute_trigger?(table)
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# We _must not_ use quote_table_name as this will produce double
# quotes on PostgreSQL and for "has_table_privilege" we need single
# quotes.
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connection = ApplicationRecord.connection
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quoted_table = connection.quote(table)
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begin
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connection.select_one("SELECT has_table_privilege(#{quoted_table}, 'TRIGGER')").present?
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rescue ActiveRecord::StatementInvalid
# This error is raised when using a non-existing table name. In this
# case we just want to return false as a user technically can't
# create triggers for such a table.
false
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end
end
end
end
end