Fix edge case in migration helpers that caused crash because of PostgreSQL quirks (#17398)
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@ -295,7 +295,7 @@ module Mastodon
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table = Arel::Table.new(table_name)
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table = Arel::Table.new(table_name)
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total = estimate_rows_in_table(table_name).to_i
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total = estimate_rows_in_table(table_name).to_i
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if total == 0
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if total < 1
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count_arel = table.project(Arel.star.count.as('count'))
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count_arel = table.project(Arel.star.count.as('count'))
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count_arel = yield table, count_arel if block_given?
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count_arel = yield table, count_arel if block_given?
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