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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb21
-rw-r--r--activerecord/test/cases/adapters/postgresql/schema_test.rb43
2 files changed, 62 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index d2126a3e19..5b7fa029da 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -978,6 +978,27 @@ module ActiveRecord
end_sql
end
+ # Returns an array of schema names.
+ def schema_names
+ query(<<-SQL).flatten
+ SELECT nspname
+ FROM pg_namespace
+ WHERE nspname !~ '^pg_.*'
+ AND nspname NOT IN ('information_schema')
+ ORDER by nspname;
+ SQL
+ end
+
+ # Creates a schema for the given schema name.
+ def create_schema schema_name
+ execute "CREATE SCHEMA #{schema_name}"
+ end
+
+ # Drops the schema for the given schema name.
+ def drop_schema schema_name
+ execute "DROP SCHEMA #{schema_name} CASCADE"
+ end
+
# Sets the schema search path to a string of comma-separated schema names.
# Names beginning with $ have to be quoted (e.g. $user => '$user').
# See: http://www.postgresql.org/docs/current/static/ddl-schemas.html
diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb
index 18c81d2b09..9208f53997 100644
--- a/activerecord/test/cases/adapters/postgresql/schema_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb
@@ -71,6 +71,45 @@ class SchemaTest < ActiveRecord::TestCase
@connection.execute "DROP SCHEMA #{SCHEMA_NAME} CASCADE"
end
+ def test_schema_names
+ assert_equal ["public", "test_schema", "test_schema2"], @connection.schema_names
+ end
+
+ def test_create_schema
+ begin
+ @connection.create_schema "test_schema3"
+ assert @connection.schema_names.include? "test_schema3"
+ ensure
+ @connection.drop_schema "test_schema3"
+ end
+ end
+
+ def test_raise_create_schema_with_existing_schema
+ begin
+ @connection.create_schema "test_schema3"
+ assert_raises(ActiveRecord::StatementInvalid) do
+ @connection.create_schema "test_schema3"
+ end
+ ensure
+ @connection.drop_schema "test_schema3"
+ end
+ end
+
+ def test_drop_schema
+ begin
+ @connection.create_schema "test_schema3"
+ ensure
+ @connection.drop_schema "test_schema3"
+ end
+ assert !@connection.schema_names.include?("test_schema3")
+ end
+
+ def test_raise_drop_schema_with_nonexisting_schema
+ assert_raises(ActiveRecord::StatementInvalid) do
+ @connection.drop_schema "test_schema3"
+ end
+ end
+
def test_schema_change_with_prepared_stmt
altered = false
@connection.exec_query "select * from developers where id = $1", 'sql', [[nil, 1]]
@@ -183,13 +222,13 @@ class SchemaTest < ActiveRecord::TestCase
end
def test_raise_on_unquoted_schema_name
- assert_raise(ActiveRecord::StatementInvalid) do
+ assert_raises(ActiveRecord::StatementInvalid) do
with_schema_search_path '$user,public'
end
end
def test_without_schema_search_path
- assert_raise(ActiveRecord::StatementInvalid) { columns(TABLE_NAME) }
+ assert_raises(ActiveRecord::StatementInvalid) { columns(TABLE_NAME) }
end
def test_ignore_nil_schema_search_path