45 lines
1.4 KiB
Ruby
45 lines
1.4 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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class CustomStructure
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CUSTOM_DUMP_FILE = 'db/gitlab_structure.sql'
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def dump
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File.open(self.class.custom_dump_filepath, 'wb') do |io|
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io << "-- this file tracks custom GitLab data, such as foreign keys referencing partitioned tables\n"
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io << "-- more details can be found in the issue: https://gitlab.com/gitlab-org/gitlab/-/issues/201872\n"
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io << "SET search_path=public;\n\n"
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dump_partitioned_foreign_keys(io) if partitioned_foreign_keys_exist?
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end
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end
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def self.custom_dump_filepath
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Rails.root.join(CUSTOM_DUMP_FILE)
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end
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private
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def dump_partitioned_foreign_keys(io)
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io << "COPY partitioned_foreign_keys (#{partitioned_fk_columns.join(", ")}) FROM STDIN;\n"
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PartitioningMigrationHelpers::PartitionedForeignKey.find_each do |fk|
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io << fk.attributes.values_at(*partitioned_fk_columns).join("\t") << "\n"
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end
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io << "\\.\n"
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end
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def partitioned_foreign_keys_exist?
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return false unless PartitioningMigrationHelpers::PartitionedForeignKey.table_exists?
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PartitioningMigrationHelpers::PartitionedForeignKey.exists?
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end
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def partitioned_fk_columns
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@partitioned_fk_columns ||= PartitioningMigrationHelpers::PartitionedForeignKey.column_names
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end
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end
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end
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end
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