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Only drop the second most recent backup

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This commit is contained in:
broquemonsieur 2024-08-03 18:01:52 -07:00
parent 2fed1e090a
commit aef8215402
1 changed files with 16 additions and 1 deletions
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17
src/invidious/database/migrator.cr
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@ -68,17 +68,32 @@ class Invidious::Database::Migrator
end
private def copy_table(table_name : String)
puts "Creating a table backup.#{table_name}. Most recent version"
@db.exec <<-SQL
CREATE TABLE IF NOT EXISTS backup.#{table_name} (
id bigserial PRIMARY KEY
)
SQL
@db.exec("DROP TABLE backup.#{table_name}")
puts "Creating a table backup.#{table_name}. Second most recent version"
@db.exec <<-SQL
CREATE TABLE IF NOT EXISTS backup.#{table_name}_second_most_recent (
id bigserial PRIMARY KEY
)
SQL
puts "Populating table backup.#{table_name}. Second most recent version"
@db.exec <<-SQL
SELECT * INTO backup.#{table_name}_second_most_recent
FROM backup.#{table_name}
SQL
@db.exec <<-SQL
SELECT * INTO backup.#{table_name}
FROM public.#{table_name}
SQL
puts "Deleting table backup.#{table_name}. Second most recent version"
@db.exec("DROP TABLE backup.#{table_name}_second_most_recent")
end
end