Retire ar_mysql_column_charset
Rails 5 has native support for charset/collate.
Akinori MUSHA
共有 4 个文件被更改，包括 0 次插入 和 133 次删除
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config/initializers/ar_mysql_column_charset.rb
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-require 'ar_mysql_column_charset' |
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lib/ar_mysql_column_charset.rb
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-require 'active_support' |
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- |
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-ActiveSupport.on_load :active_record do |
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- class << ActiveRecord::Base |
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- def establish_connection(spec = nil) |
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- super.tap { |ret|
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- if /mysql/i === connection.adapter_name |
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- require 'ar_mysql_column_charset/main' |
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- end |
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- } |
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- end |
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- end |
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-end |
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lib/ar_mysql_column_charset/main.rb
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-raise "Do not directly load this library." unless defined?(ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter) |
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- |
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-module ActiveRecord::ConnectionAdapters |
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- class ColumnDefinition |
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- module CharsetSupport |
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- attr_accessor :charset, :collation |
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- end |
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- |
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- prepend CharsetSupport |
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- end |
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- |
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- class TableDefinition |
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- module CharsetSupport |
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- def new_column_definition(name, type, options) |
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- column = super |
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- column.charset = options[:charset] |
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- column.collation = options[:collation] |
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- column |
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- end |
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- end |
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- |
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- prepend CharsetSupport |
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- end |
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- |
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- class AbstractMysqlAdapter |
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- module CharsetSupport |
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- def prepare_column_options(column, types) |
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- spec = super |
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- spec[:charset] = column.charset.inspect if column.charset && column.charset != charset |
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- spec[:collation] = column.collation.inspect if column.collation && column.collation != collation |
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- spec |
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- end |
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- |
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- def migration_keys |
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- super + [:charset, :collation] |
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- end |
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- |
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- def utf8mb4_supported? |
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- if @utf8mb4_supported.nil? |
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- @utf8mb4_supported = !select("show character set like 'utf8mb4'").empty?
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- else |
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- @utf8mb4_supported |
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- end |
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- end |
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- |
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- def charset_collation(charset, collation) |
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- [charset, collation].map { |name|
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- case name |
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- when nil |
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- nil |
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- when /\A(utf8mb4(_\w*)?)\z/ |
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- if utf8mb4_supported? |
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- $1 |
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- else |
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- "utf8#{$2}"
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- end |
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- else |
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- name.to_s |
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- end |
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- } |
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- end |
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- |
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- def create_database(name, options = {})
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- # utf8mb4 is used in column definitions; use utf8 for |
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- # databases. |
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- [:charset, :collation].each { |key|
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- case options[key] |
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- when /\A(utf8mb4(_\w*)?)\z/ |
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- options = options.merge(key => "utf8#{$2}")
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- end |
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- } |
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- super(name, options) |
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- end |
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- end |
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- |
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- prepend CharsetSupport |
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- |
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- class SchemaCreation |
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- module CharsetSupport |
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- def column_options(o) |
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- column_options = super |
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- column_options[:charset] = o.charset unless o.charset.nil? |
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- column_options[:collation] = o.collation unless o.collation.nil? |
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- column_options |
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- end |
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- |
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- def add_column_options!(sql, options) |
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- charset, collation = @conn.charset_collation(options[:charset], options[:collation]) |
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- |
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- if charset |
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- sql << " CHARACTER SET #{charset}"
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- end |
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- |
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- if collation |
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- sql << " COLLATE #{collation}"
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- end |
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- |
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- super |
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- end |
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- end |
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- |
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- prepend CharsetSupport |
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- end |
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- |
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- class Column |
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- module CharsetSupport |
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- attr_reader :charset |
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- |
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- def initialize(*args) |
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- super |
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- @charset = @collation[/\A[^_]+/] unless @collation.nil? |
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- end |
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- end |
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- |
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- prepend CharsetSupport |
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- end |
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- end |
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-end |
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lib/tasks/ar_mysql_column_charset.rake
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-require 'ar_mysql_column_charset' |