30 lines
1 KiB
Ruby
30 lines
1 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module Database
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# Backed by the postgres_constraints view
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class PostgresConstraint < SharedModel
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IDENTIFIER_REGEX = /^\w+\.\w+$/.freeze
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self.primary_key = :oid
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scope :check_constraints, -> { where(constraint_type: 'c') }
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scope :primary_key_constraints, -> { where(constraint_type: 'p') }
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scope :unique_constraints, -> { where(constraint_type: 'u') }
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scope :primary_or_unique_constraints, -> { where(constraint_type: %w[u p]) }
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scope :including_column, ->(column) { where("? = ANY(column_names)", column) }
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scope :not_including_column, ->(column) { where.not("? = ANY(column_names)", column) }
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scope :valid, -> { where(constraint_valid: true) }
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scope :by_table_identifier, ->(identifier) do
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unless identifier =~ IDENTIFIER_REGEX
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raise ArgumentError, "Table name is not fully qualified with a schema: #{identifier}"
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end
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where(table_identifier: identifier)
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end
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end
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end
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end
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