diff options
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 31 | ||||
| -rw-r--r-- | activerecord/test/cases/schema_test_postgresql.rb | 44 |
2 files changed, 74 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 913bb521ca..ec204d0f03 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -392,9 +392,28 @@ module ActiveRecord quote_string(s) end + # Checks the following cases: + # + # - table_name + # - "table.name" + # - schema_name.table_name + # - schema_name."table.name" + # - "schema.name".table_name + # - "schema.name"."table.name" + def quote_table_name(name) + schema, name_part = extract_pg_identifier_from_name(name.to_s) + + unless name_part + quote_column_name(schema) + else + table_name, name_part = extract_pg_identifier_from_name(name_part) + "#{quote_column_name(schema)}.#{quote_column_name(table_name)}" + end + end + # Quotes column names for use in SQL queries. def quote_column_name(name) #:nodoc: - %("#{name}") + PGconn.quote_ident(name.to_s) end # Quote date/time values for use in SQL input. Includes microseconds @@ -1045,6 +1064,16 @@ module ActiveRecord ORDER BY a.attnum end_sql end + + def extract_pg_identifier_from_name(name) + match_data = name[0,1] == '"' ? name.match(/\"([^\"]+)\"/) : name.match(/([^\.]+)/) + + if match_data + rest = name[match_data[0].length..-1] + rest = rest[1..-1] if rest[0,1] == "." + [match_data[1], (rest.length > 0 ? rest : nil)] + end + end end end end diff --git a/activerecord/test/cases/schema_test_postgresql.rb b/activerecord/test/cases/schema_test_postgresql.rb index 336a38765c..2d36bd0b22 100644 --- a/activerecord/test/cases/schema_test_postgresql.rb +++ b/activerecord/test/cases/schema_test_postgresql.rb @@ -18,9 +18,22 @@ class SchemaTest < ActiveRecord::TestCase 'moment timestamp without time zone default now()' ] + class Thing1 < ActiveRecord::Base + set_table_name "test_schema.things" + end + + class Thing2 < ActiveRecord::Base + set_table_name "test_schema2.things" + end + + class Thing3 < ActiveRecord::Base + set_table_name 'test_schema."things.table"' + end + def setup @connection = ActiveRecord::Base.connection @connection.execute "CREATE SCHEMA #{SCHEMA_NAME} CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})" + @connection.execute "CREATE TABLE #{SCHEMA_NAME}.\"#{TABLE_NAME}.table\" (#{COLUMNS.join(',')})" @connection.execute "CREATE SCHEMA #{SCHEMA2_NAME} CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})" @connection.execute "CREATE INDEX #{INDEX_A_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING btree (#{INDEX_A_COLUMN});" @connection.execute "CREATE INDEX #{INDEX_A_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING btree (#{INDEX_A_COLUMN});" @@ -47,6 +60,37 @@ class SchemaTest < ActiveRecord::TestCase end end + + def test_proper_encoding_of_table_name + assert_equal '"table_name"', @connection.quote_table_name('table_name') + assert_equal '"table.name"', @connection.quote_table_name('"table.name"') + assert_equal '"schema_name"."table_name"', @connection.quote_table_name('schema_name.table_name') + assert_equal '"schema_name"."table.name"', @connection.quote_table_name('schema_name."table.name"') + assert_equal '"schema.name"."table_name"', @connection.quote_table_name('"schema.name".table_name') + assert_equal '"schema.name"."table.name"', @connection.quote_table_name('"schema.name"."table.name"') + end + + def test_classes_with_qualified_schema_name + assert_equal 0, Thing1.count + assert_equal 0, Thing2.count + assert_equal 0, Thing3.count + + Thing1.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now) + assert_equal 1, Thing1.count + assert_equal 0, Thing2.count + assert_equal 0, Thing3.count + + Thing2.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now) + assert_equal 1, Thing1.count + assert_equal 1, Thing2.count + assert_equal 0, Thing3.count + + Thing3.create(:id => 1, :name => "thing1", :email => "thing1@localhost", :moment => Time.now) + assert_equal 1, Thing1.count + assert_equal 1, Thing2.count + assert_equal 1, Thing3.count + end + def test_raise_on_unquoted_schema_name assert_raise(ActiveRecord::StatementInvalid) do with_schema_search_path '$user,public' |