diff options
4 files changed, 67 insertions, 10 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 60fd8b85b9..ec3ec06c2b 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,15 @@ +* PostgreSQL, `create_schema`, `drop_schema` and `rename_table` now quote + schema names. + + Fixes #21418. + + Example: + + create_schema("my.schema") + # CREATE SCHEMA "my.schema"; + + *Yves Senn* + * PostgreSQL, add `:if_exists` option to `#drop_schema`. This makes it possible to drop a schema that might exist without raising an exception if it doesn't. diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index f175730551..d5879ea7df 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -31,6 +31,11 @@ module ActiveRecord Utils.extract_schema_qualified_name(name.to_s).quoted end + # Quotes schema names for use in SQL queries. + def quote_schema_name(name) + PGconn.quote_ident(name) + end + def quote_table_name_for_assignment(table, attr) quote_column_name(attr) end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 21268b63b1..a3fc8fbc51 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -210,12 +210,12 @@ module ActiveRecord # Creates a schema for the given schema name. def create_schema schema_name - execute "CREATE SCHEMA #{schema_name}" + execute "CREATE SCHEMA #{quote_schema_name(schema_name)}" end # Drops the schema for the given schema name. def drop_schema(schema_name, options = {}) - execute "DROP SCHEMA#{' IF EXISTS' if options[:if_exists]} #{schema_name} CASCADE" + execute "DROP SCHEMA#{' IF EXISTS' if options[:if_exists]} #{quote_schema_name(schema_name)} CASCADE" end # Sets the schema search path to a string of comma-separated schema names. @@ -376,7 +376,7 @@ module ActiveRecord new_seq = "#{new_name}_#{pk}_seq" idx = "#{table_name}_pkey" new_idx = "#{new_name}_pkey" - execute "ALTER TABLE #{quote_table_name(seq)} RENAME TO #{quote_table_name(new_seq)}" + execute "ALTER TABLE #{seq.quoted} RENAME TO #{quote_table_name(new_seq)}" execute "ALTER INDEX #{quote_table_name(idx)} RENAME TO #{quote_table_name(new_idx)}" end diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb index 6edd3c4868..ea7e5ac587 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -2,7 +2,17 @@ require "cases/helper" require 'models/default' require 'support/schema_dumping_helper' +module PGSchemaHelper + def with_schema_search_path(schema_search_path) + @connection.schema_search_path = schema_search_path + yield if block_given? + ensure + @connection.schema_search_path = "'$user', public" + end +end + class SchemaTest < ActiveRecord::PostgreSQLTestCase + include PGSchemaHelper self.use_transactional_tests = false SCHEMA_NAME = 'test_schema' @@ -415,13 +425,6 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase end end - def with_schema_search_path(schema_search_path) - @connection.schema_search_path = schema_search_path - yield if block_given? - ensure - @connection.schema_search_path = "'$user', public" - end - def do_dump_index_tests_for_schema(this_schema_name, first_index_column_name, second_index_column_name, third_index_column_name, fourth_index_column_name) with_schema_search_path(this_schema_name) do indexes = @connection.indexes(TABLE_NAME).sort_by(&:name) @@ -530,3 +533,40 @@ class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCa assert_equal "foo'::bar", Default.new.string_col end end + +class SchemaWithDotsTest < ActiveRecord::PostgreSQLTestCase + include PGSchemaHelper + self.use_transactional_tests = false + + setup do + @connection = ActiveRecord::Base.connection + @connection.create_schema "my.schema" + end + + teardown do + @connection.drop_schema "my.schema", if_exists: true + end + + test "rename_table" do + with_schema_search_path('"my.schema"') do + @connection.create_table :posts + @connection.rename_table :posts, :articles + assert_equal ["articles"], @connection.tables + end + end + + test "Active Record basics" do + with_schema_search_path('"my.schema"') do + @connection.create_table :articles do |t| + t.string :title + end + article_class = Class.new(ActiveRecord::Base) do + self.table_name = '"my.schema".articles' + end + + article_class.create!(title: "zOMG, welcome to my blorgh!") + welcome_article = article_class.last + assert_equal "zOMG, welcome to my blorgh!", welcome_article.title + end + end +end |