diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb index 6aa264d766..520a50506f 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb @@ -4,7 +4,7 @@ module ActiveRecord module DatabaseStatements def explain(arel, binds = []) sql = "EXPLAIN #{to_sql(arel, binds)}" - PostgreSQL::ExplainPrettyPrinter.new.pp(exec_query(sql, 'EXPLAIN', binds)) + PostgreSQL::ExplainPrettyPrinter.new.pp(exec_query(sql, "EXPLAIN", binds)) end def select_value(arel, name = nil, binds = []) @@ -74,9 +74,9 @@ module ActiveRecord # (2) $12.345.678,12 case data when /^-?\D+[\d,]+\.\d{2}$/ # (1) - data.gsub!(/[^-\d.]/, '') + data.gsub!(/[^-\d.]/, "") when /^-?\D+[\d.]+,\d{2}$/ # (2) - data.gsub!(/[^-\d,]/, '').sub!(/,/, '.') + data.gsub!(/[^-\d,]/, "").sub!(/,/, ".") end end end @@ -85,21 +85,25 @@ module ActiveRecord # Queries the database and returns the results in an Array-like object def query(sql, name = nil) #:nodoc: log(sql, name) do - result_as_array @connection.async_exec(sql) + ActiveSupport::Dependencies.interlock.permit_concurrent_loads do + result_as_array @connection.async_exec(sql) + end end end - # Executes an SQL statement, returning a PGresult object on success - # or raising a PGError exception otherwise. - # Note: the PGresult object is manually memory managed; if you don't - # need it specifically, you many want consider the exec_query wrapper. + # Executes an SQL statement, returning a PG::Result object on success + # or raising a PG::Error exception otherwise. + # Note: the PG::Result object is manually memory managed; if you don't + # need it specifically, you may want consider the <tt>exec_query</tt> wrapper. def execute(sql, name = nil) log(sql, name) do - @connection.async_exec(sql) + ActiveSupport::Dependencies.interlock.permit_concurrent_loads do + @connection.async_exec(sql) + end end end - def exec_query(sql, name = 'SQL', binds = [], prepare: false) + def exec_query(sql, name = "SQL", binds = [], prepare: false) execute_and_clear(sql, name, binds, prepare: prepare) do |result| types = {} fields = result.fields @@ -112,36 +116,41 @@ module ActiveRecord end end - def exec_delete(sql, name = 'SQL', binds = []) - execute_and_clear(sql, name, binds) {|result| result.cmd_tuples } + def exec_delete(sql, name = nil, binds = []) + execute_and_clear(sql, name, binds) { |result| result.cmd_tuples } end alias :exec_update :exec_delete def sql_for_insert(sql, pk, id_value, sequence_name, binds) # :nodoc: - unless pk + if pk.nil? # Extract the table from the insert sql. Yuck. table_ref = extract_table_ref_from_insert_sql(sql) pk = primary_key(table_ref) if table_ref end - if pk && use_insert_returning? + if pk = suppress_composite_primary_key(pk) sql = "#{sql} RETURNING #{quote_column_name(pk)}" end super end + protected :sql_for_insert - def exec_insert(sql, name, binds, pk = nil, sequence_name = nil) - val = exec_query(sql, name, binds) - if !use_insert_returning? && pk + def exec_insert(sql, name = nil, binds = [], pk = nil, sequence_name = nil) + if use_insert_returning? || pk == false + super + else + result = exec_query(sql, name, binds) unless sequence_name table_ref = extract_table_ref_from_insert_sql(sql) - sequence_name = default_sequence_name(table_ref, pk) - return val unless sequence_name + if table_ref + pk = primary_key(table_ref) if pk.nil? + pk = suppress_composite_primary_key(pk) + sequence_name = default_sequence_name(table_ref, pk) + end + return result unless sequence_name end last_insert_id_result(sequence_name) - else - val end end @@ -164,6 +173,12 @@ module ActiveRecord def exec_rollback_db_transaction execute "ROLLBACK" end + + private + + def suppress_composite_primary_key(pk) + pk unless pk.is_a?(Array) + end end end end |