38 lines
1.2 KiB
Ruby
38 lines
1.2 KiB
Ruby
class AddSkinnyAuaTables < ActiveRecord::Migration[5.2]
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tag :predeploy
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def create_aua_log_partition(index)
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table_name = "aua_logs_#{index}".to_sym
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create_table table_name do |t|
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t.bigint :asset_user_access_id, null: false
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t.datetime :created_at, null: false
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end
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# Intentionally not adding FK on asset_user_access_id as the records are transient
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# and we're trying to do as little work as possible on the insert to these
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# and can be thrown away if they don't match anything anyway as the log is compacted.
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end
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# one table for each day of week, they'll periodically
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# be compacted and truncated. This prevents having to
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# create and drop true partitions at a high rate
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def up
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create_aua_log_partition("0")
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create_aua_log_partition("1")
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create_aua_log_partition("2")
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create_aua_log_partition("3")
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create_aua_log_partition("4")
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create_aua_log_partition("5")
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create_aua_log_partition("6")
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end
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def down
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drop_table(:aua_logs_0)
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drop_table(:aua_logs_1)
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drop_table(:aua_logs_2)
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drop_table(:aua_logs_3)
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drop_table(:aua_logs_4)
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drop_table(:aua_logs_5)
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drop_table(:aua_logs_6)
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end
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end
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