class ClickhouseActiverecord::SchemaMigration
Public Class Methods
all_versions()
click to toggle source
# File lib/clickhouse-activerecord/migration.rb, line 20 def all_versions from("#{table_name} FINAL").where(active: 1).order(:version).pluck(:version) end
create_table()
click to toggle source
# File lib/clickhouse-activerecord/migration.rb, line 8 def create_table unless table_exists? version_options = connection.internal_string_options_for_primary_key connection.create_table(table_name, id: false, options: 'ReplacingMergeTree(ver) PARTITION BY version ORDER BY (version)', if_not_exists: true) do |t| t.string :version, **version_options t.column :active, 'Int8', null: false, default: '1' t.datetime :ver, null: false, default: -> { 'now()' } end end end