diff options
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb | 16 | ||||
| -rw-r--r-- | activerecord/test/cases/adapters/postgresql/schema_test.rb | 3 |
2 files changed, 9 insertions, 10 deletions
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 ea62302988..1d439acb07 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -343,16 +343,14 @@ module ActiveRecord end def primary_keys(table_name) # :nodoc: - scope = quoted_scope(table_name) select_values(<<-SQL.strip_heredoc, "SCHEMA") - SELECT column_name - FROM information_schema.key_column_usage kcu - JOIN information_schema.table_constraints tc - USING (table_schema, table_name, constraint_name) - WHERE constraint_type = 'PRIMARY KEY' - AND kcu.table_name = #{scope[:name]} - AND kcu.table_schema = #{scope[:schema]} - ORDER BY kcu.ordinal_position + SELECT a.attname FROM pg_index i + CROSS JOIN generate_subscripts(i.indkey, 1) k + JOIN pg_attribute a + ON a.attrelid = i.indrelid + AND a.attnum = i.indkey[k] + WHERE i.indrelid = #{quote(quote_table_name(table_name))}::regclass + AND i.indisprimary SQL end diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb index 7b065ff320..75e30e4fe9 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -91,6 +91,7 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase @connection.execute "CREATE INDEX #{INDEX_E_NAME} ON #{SCHEMA_NAME}.#{TABLE_NAME} USING gin (#{INDEX_E_COLUMN});" @connection.execute "CREATE INDEX #{INDEX_E_NAME} ON #{SCHEMA2_NAME}.#{TABLE_NAME} USING gin (#{INDEX_E_COLUMN});" @connection.execute "CREATE TABLE #{SCHEMA_NAME}.#{PK_TABLE_NAME} (id serial primary key)" + @connection.execute "CREATE TABLE #{SCHEMA2_NAME}.#{PK_TABLE_NAME} (id serial primary key)" @connection.execute "CREATE SEQUENCE #{SCHEMA_NAME}.#{UNMATCHED_SEQUENCE_NAME}" @connection.execute "CREATE TABLE #{SCHEMA_NAME}.#{UNMATCHED_PK_TABLE_NAME} (id integer NOT NULL DEFAULT nextval('#{SCHEMA_NAME}.#{UNMATCHED_SEQUENCE_NAME}'::regclass), CONSTRAINT unmatched_pkey PRIMARY KEY (id))" end @@ -361,7 +362,7 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase end def test_primary_key_assuming_schema_search_path - with_schema_search_path(SCHEMA_NAME) do + with_schema_search_path("#{SCHEMA_NAME}, #{SCHEMA2_NAME}") do assert_equal "id", @connection.primary_key(PK_TABLE_NAME), "primary key should be found" end end |