42 lines
1 KiB
Ruby
42 lines
1 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Graphql
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module Connections
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module Keyset
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module Conditions
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class NullCondition < BaseCondition
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def build
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[first_attribute_condition, final_condition].join
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end
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private
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# ex: "(relative_position IS NULL AND id > 500)"
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def first_attribute_condition
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condition = <<~SQL
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(
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#{table_condition(names.first, nil, 'is_null').to_sql}
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AND
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#{table_condition(names[1], values[1], operator[1]).to_sql}
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)
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SQL
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condition
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end
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# ex: " OR (relative_position IS NOT NULL)"
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def final_condition
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if before_or_after == :before
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<<~SQL
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OR (#{table_condition(names.first, nil, 'is_not_null').to_sql})
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SQL
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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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end
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end
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end
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