Sha256: 82513ad814e326cdab82bfa6e68e1113fdf65f31babfbfb8cfc096cd8badafd4
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Size: 1.51 KB
Versions: 12
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Contents
require 'arjdbc/hsqldb/adapter'
module ArJdbc
module H2
include HSQLDB
def self.jdbc_connection_class
::ActiveRecord::ConnectionAdapters::H2JdbcConnection
end
def adapter_name #:nodoc:
'H2'
end
def self.arel2_visitors(config)
v = HSQLDB.arel2_visitors(config)
v.merge({}.tap {|v| %w(h2 jdbch2).each {|a| v[a] = ::Arel::Visitors::HSQLDB } })
end
def h2_adapter
true
end
def tables
@connection.tables(nil, h2_schema)
end
def columns(table_name, name=nil)
@connection.columns_internal(table_name.to_s, name, h2_schema)
end
def change_column(table_name, column_name, type, options = {}) #:nodoc:
execute "ALTER TABLE #{table_name} ALTER COLUMN #{column_name} #{type_to_sql(type, options[:limit])}"
change_column_default(table_name, column_name, options[:default]) if options_include_default?(options)
change_column_null(table_name, column_name, options[:null], options[:default]) if options.key?(:null)
end
private
def change_column_null(table_name, column_name, null, default = nil)
if !null && !default.nil?
execute("UPDATE #{table_name} SET #{column_name}=#{quote(default)} WHERE #{column_name} IS NULL")
end
if null
execute "ALTER TABLE #{table_name} ALTER COLUMN #{column_name} SET NULL"
else
execute "ALTER TABLE #{table_name} ALTER COLUMN #{column_name} SET NOT NULL"
end
end
def h2_schema
@config[:schema] || ''
end
end
end
Version data entries
12 entries across 12 versions & 4 rubygems