X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/098e757cf28c2f931e7234b68197115f681a2ce5..46e3d846747a8ed50b2fd29d1e162432fca38e7d:/lib/migrate.rb diff --git a/lib/migrate.rb b/lib/migrate.rb index 50ba6321d..182a2a086 100644 --- a/lib/migrate.rb +++ b/lib/migrate.rb @@ -1,183 +1,45 @@ -module ActiveRecord - module ConnectionAdapters - module SchemaStatements - def quote_column_names(column_name) - Array(column_name).map { |e| quote_column_name(e) }.join(", ") - end - - def add_primary_key(table_name, column_name, options = {}) - column_names = Array(column_name) - quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ") - execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{quoted_column_names})" - end - - def remove_primary_key(table_name) - execute "ALTER TABLE #{table_name} DROP PRIMARY KEY" - end - - def add_foreign_key(table_name, column_name, reftbl, refcol = nil) - execute "ALTER TABLE #{table_name} ADD " + - "FOREIGN KEY (#{quote_column_names(column_name)}) " + - "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})" - end - - def remove_foreign_key(table_name, column_name, reftbl, refcol = nil) - execute "ALTER TABLE #{table_name} DROP " + - "CONSTRAINT #{table_name}_#{column_name[0]}_fkey" - end - - alias_method :old_options_include_default?, :options_include_default? - - def options_include_default?(options) - return false if options[:options] =~ /AUTO_INCREMENT/i - return old_options_include_default?(options) - end - - alias_method :old_add_column_options!, :add_column_options! - - def add_column_options!(sql, options) - sql << " UNSIGNED" if options[:unsigned] - old_add_column_options!(sql, options) - sql << " #{options[:options]}" +module OpenStreetMap + module ActiveRecord + module AbstractAdapter + def add_index_options(table_name, column_name, options = {}) + columns = options.delete(:columns) + index_name, index_type, index_columns, index_options, algorithm, using = super(table_name, column_name, options) + [index_name, index_type, columns || index_columns, index_options, algorithm, using] end end - class MysqlAdapter - if MysqlAdapter.public_instance_methods(false).include?('native_database_types') - alias_method :old_native_database_types, :native_database_types + module PostgreSQLAdapter + def quote_column_name(name) + Array(name).map { |n| super(n) }.join(", ") end - def native_database_types - types = old_native_database_types - types[:bigint] = { :name => "bigint", :limit => 20 } - types[:double] = { :name => "double" } - types[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" } - types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" } - types[:bigint_pk_64] = { :name => "bigint(64) DEFAULT NULL auto_increment PRIMARY KEY" } - types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" } - types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" } - types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" } - types[:four_byte_unsigned] = { :name=> "integer unsigned" } - types[:inet] = { :name=> "integer unsigned" } - types + def add_primary_key(table_name, column_name, _options = {}) + execute "ALTER TABLE #{quote_table_name(table_name)} ADD PRIMARY KEY (#{quote_column_name(column_name)})" end - def change_column(table_name, column_name, type, options = {}) - unless options_include_default?(options) - options[:default] = select_one("SHOW COLUMNS FROM #{table_name} LIKE '#{column_name}'")["Default"] - - unless type == :string or type == :text - options.delete(:default) if options[:default] = ""; - end - end - - change_column_sql = "ALTER TABLE #{table_name} CHANGE #{column_name} #{column_name} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}" - add_column_options!(change_column_sql, options) - execute(change_column_sql) - end - - def myisam_table - return { :id => false, :force => true, :options => "ENGINE=MyIsam" } - end - - def innodb_table - return { :id => false, :force => true, :options => "ENGINE=InnoDB" } - end - - def innodb_option - return "ENGINE=InnoDB" - end - - def change_engine (table_name, engine) - execute "ALTER TABLE #{table_name} ENGINE = #{engine}" - end - - def add_fulltext_index (table_name, column) - execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)" - end - - def alter_column_nwr_enum (table_name, column) - execute "alter table #{table_name} change column #{column} #{column} enum('Node','Way','Relation');" + def remove_primary_key(table_name) + execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY" end def alter_primary_key(table_name, new_columns) - execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})") + execute "ALTER TABLE #{quote_table_name(table_name)} DROP CONSTRAINT #{quote_table_name(table_name + '_pkey')}" + execute "ALTER TABLE #{quote_table_name(table_name)} ADD PRIMARY KEY (#{quote_column_name(new_columns)})" end - def interval_constant(interval) - "'#{interval}'" - end - end - - class PostgreSQLAdapter - if PostgreSQLAdapter.public_instance_methods(false).include?('native_database_types') - alias_method :old_native_database_types, :native_database_types + def create_enumeration(enumeration_name, values) + execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')" end - def native_database_types - types = old_native_database_types - types[:double] = { :name => "double precision" } - types[:integer_pk] = { :name => "serial PRIMARY KEY" } - types[:bigint_pk] = { :name => "bigserial PRIMARY KEY" } - types[:bigint_pk_64] = { :name => "bigserial PRIMARY KEY" } - types[:bigint_auto_64] = { :name => "bigint" } #fixme: need autoincrement? - types[:bigint_auto_11] = { :name => "bigint" } #fixme: need autoincrement? - types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement? - types[:four_byte_unsigned] = { :name => "bigint" } # meh - types[:inet] = { :name=> "inet" } - types + def drop_enumeration(enumeration_name) + execute "DROP TYPE #{enumeration_name}" end - def myisam_table - return { :id => false, :force => true, :options => ""} - end - - def innodb_table - return { :id => false, :force => true, :options => ""} - end - - def innodb_option - return "" - end - - def change_engine (table_name, engine) - end - - def add_fulltext_index (table_name, column) - execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})" - end - - def alter_column_nwr_enum (table_name, column) - response = select_one("select count(*) as count from pg_type where typname = 'nwr_enum'") - if response['count'] == "0" #yep, as a string - execute "create type nwr_enum as ENUM ('Node', 'Way', 'Relation')" - end - execute "alter table #{table_name} drop #{column}" - execute "alter table #{table_name} add #{column} nwr_enum" - end - - def alter_primary_key(table_name, new_columns) - execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})" - end - - def interval_constant(interval) - "'#{interval}'::interval" - end - - def add_index(table_name, column_name, options = {}) - column_names = Array(column_name) - index_name = index_name(table_name, :column => column_names) - - if Hash === options # legacy support, since this param was a string - index_type = options[:unique] ? "UNIQUE" : "" - index_name = options[:name] || index_name - index_method = options[:method] || "BTREE" - else - index_type = options - end - quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ") - execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})" + def rename_enumeration(old_name, new_name) + execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}" end end end end + +ActiveRecord::ConnectionAdapters::AbstractAdapter.prepend(OpenStreetMap::ActiveRecord::AbstractAdapter) +ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(OpenStreetMap::ActiveRecord::PostgreSQLAdapter)