94 lines
3 KiB
Ruby
94 lines
3 KiB
Ruby
# frozen_string_literal: true
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# from https://gist.github.com/Envek/7077bfc36b17233f60ad
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# PostgreSQL interval data type support from https://github.com/rails/rails/pull/16919
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# Works with both Rails 5.2 and 6.0
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# Place this file to config/initializers/
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require "active_support/duration"
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# activerecord/lib/active_record/connection_adapters/postgresql/oid/interval.rb
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module ActiveRecord
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module ConnectionAdapters
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module PostgreSQL
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module OID # :nodoc:
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class Interval < Type::Value # :nodoc:
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def type
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:interval
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end
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def cast_value(value)
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case value
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when ::ActiveSupport::Duration
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value
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when ::String
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begin
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::ActiveSupport::Duration.parse(value)
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rescue ::ActiveSupport::Duration::ISO8601Parser::ParsingError
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nil
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end
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else
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super
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end
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end
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def serialize(value)
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case value
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when ::ActiveSupport::Duration
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value.iso8601(precision: self.precision)
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when ::Numeric
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# Sometimes operations on Times returns just float number of seconds so we need to handle that.
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# Example: Time.current - (Time.current + 1.hour) # => -3600.000001776 (Float)
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value.seconds.iso8601(precision: self.precision)
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else
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super
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end
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end
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def type_cast_for_schema(value)
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serialize(value).inspect
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end
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end
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end
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end
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end
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end
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# activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
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require 'active_record/connection_adapters/postgresql_adapter'
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PostgreSQLAdapterWithInterval = Module.new do
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def initialize_type_map(m = type_map)
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super
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m.register_type "interval" do |*_args, sql_type|
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precision = extract_precision(sql_type)
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::ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID::Interval.new(precision: precision)
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end
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end
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def configure_connection
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super
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execute('SET intervalstyle = iso_8601', 'SCHEMA')
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end
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ActiveRecord::Type.register(:interval, ::ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID::Interval, adapter: :postgresql)
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end
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ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(PostgreSQLAdapterWithInterval)
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# activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
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require 'active_record/connection_adapters/postgresql/schema_statements'
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module SchemaStatementsWithInterval
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def type_to_sql(type, limit: nil, precision: nil, scale: nil, array: nil, **)
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case type.to_s
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when 'interval'
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case precision
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when nil; "interval"
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when 0..6; "interval(#{precision})"
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else raise(ActiveRecordError, "No interval type has precision of #{precision}. The allowed range of precision is from 0 to 6")
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end
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else
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super
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end
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end
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end
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ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaStatements.prepend(SchemaStatementsWithInterval)
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