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55 lines
2.3 KiB
55 lines
2.3 KiB
desc "Find and output each group of duplicate rent periods with a total count" |
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task find_redundant_rent_periods: :environment do |
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duplicate_groups = OrganisationRentPeriod |
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.select("organisation_id, rent_period") |
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.group("organisation_id, rent_period") |
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.having("COUNT(*) > 1") |
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duplicate_records = OrganisationRentPeriod |
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.where(organisation_id: duplicate_groups.map(&:organisation_id), rent_period: duplicate_groups.map(&:rent_period)) |
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duplicate_groups.each do |group| |
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group_records = duplicate_records.where(organisation_id: group.organisation_id, rent_period: group.rent_period) |
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group_records.each do |record| |
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Rails.logger.info "ID: #{record.id}, Organisation ID: #{record.organisation_id}, Rent Period: #{record.rent_period}" |
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end |
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Rails.logger.info "----------------------" |
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end |
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ids_to_keep = OrganisationRentPeriod |
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.select("MIN(id) as id") |
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.group("organisation_id, rent_period") |
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.having("COUNT(*) > 1") |
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.map(&:id) |
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redundant_ids = duplicate_records.pluck(:id) - ids_to_keep |
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Rails.logger.info "Total number of records: #{OrganisationRentPeriod.count}" |
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Rails.logger.info "Number of duplicate records: #{duplicate_records.size}" |
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Rails.logger.info "Number of records to delete: #{redundant_ids.size}" |
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Rails.logger.info "Number of records to keep: #{ids_to_keep.size}" |
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end |
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desc "Delete redundant rent periods" |
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task delete_duplicate_rent_periods: :environment do |
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duplicate_groups = OrganisationRentPeriod |
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.select("organisation_id, rent_period") |
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.group("organisation_id, rent_period") |
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.having("COUNT(*) > 1") |
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duplicate_ids = OrganisationRentPeriod |
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.where(organisation_id: duplicate_groups.map(&:organisation_id), rent_period: duplicate_groups.map(&:rent_period)) |
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.pluck(:id) |
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ids_to_keep = OrganisationRentPeriod |
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.select("MIN(id) as id") |
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.group("organisation_id, rent_period") |
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.having("COUNT(*) > 1") |
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.map(&:id) |
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redundant_ids = duplicate_ids - ids_to_keep |
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OrganisationRentPeriod.where(id: redundant_ids).delete_all |
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Rails.logger.info "Number of deleted duplicate records: #{redundant_ids.size}" |
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end
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