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Size: 1.6 KB
Versions: 28
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Stored size: 1.6 KB
Contents
require 'terminal-table'
module Arql::Commands
module Table
class << self
def get_table_name(name)
name = name.to_s
return name if name =~ /^[a-z]/
if Object.const_defined?(name)
klass = Object.const_get(name)
return klass.table_name if klass < ActiveRecord::Base
end
name
end
def table_info_table(table_name)
Terminal::Table.new do |t|
table_info(table_name).each { |row| t << (row || :separator) }
end
end
def table_info(table_name)
t = []
t << ['PK', 'Name', 'SQL Type', 'Ruby Type', 'Limit', 'Precision', 'Scale', 'Default', 'Nullable', 'Comment']
t << nil
connection = ::ActiveRecord::Base.connection
connection.columns(table_name).each do |column|
pk = if column.name == connection.primary_key(table_name)
'Y'
else
''
end
t << [pk, column.name, column.sql_type,
column.sql_type_metadata.type, column.sql_type_metadata.limit || '',
column.sql_type_metadata.precision || '', column.sql_type_metadata.scale || '', column.default || '',
column.null, column.comment || '']
end
t
end
end
Pry.commands.block_command 't' do |name|
table_name = Table::get_table_name(name)
puts
puts "Table: #{table_name}"
puts Table::table_info_table(table_name)
end
end
end
module Kernel
def table(name)
Arql::Commands::Table::table_info(Arql::Commands::Table::get_table_name(name))
end
end
Version data entries
28 entries across 28 versions & 1 rubygems