51 lines
1.6 KiB
Ruby
51 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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module MigrationHelpers
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module Swapping
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def reset_trigger_function(function_name)
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execute("ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL")
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end
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def swap_columns(table, column1, column2)
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::Gitlab::Database::Migrations::SwapColumns.new(
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migration_context: self,
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table: table,
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column1: column1,
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column2: column2
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).execute
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end
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def swap_columns_default(table, column1, column2)
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::Gitlab::Database::Migrations::SwapColumnsDefault.new(
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migration_context: self,
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table: table,
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column1: column1,
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column2: column2
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).execute
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end
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def swap_foreign_keys(table, foreign_key1, foreign_key2)
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rename_constraint(table, foreign_key1, :temp_name_for_renaming)
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rename_constraint(table, foreign_key2, foreign_key1)
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rename_constraint(table, :temp_name_for_renaming, foreign_key2)
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end
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def swap_indexes(table, index1, index2)
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identifier = "index_#{index1}_on_#{table}"
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# Check Gitlab::Database::MigrationHelpers#concurrent_foreign_key_name()
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# for info on why we use a hash
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hashed_identifier = Digest::SHA256.hexdigest(identifier).first(10)
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temp_index = "temp_#{hashed_identifier}"
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rename_index(table, index1, temp_index)
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rename_index(table, index2, index1)
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rename_index(table, temp_index, index2)
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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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