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