diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 93 |
1 files changed, 25 insertions, 68 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 2c43c46a3d..787dadfdbf 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -9,6 +9,7 @@ require "active_record/connection_adapters/postgresql/oid" require "active_record/connection_adapters/postgresql/quoting" require "active_record/connection_adapters/postgresql/referential_integrity" require "active_record/connection_adapters/postgresql/schema_definitions" +require "active_record/connection_adapters/postgresql/schema_dumper" require "active_record/connection_adapters/postgresql/schema_statements" require "active_record/connection_adapters/postgresql/type_metadata" require "active_record/connection_adapters/postgresql/utils" @@ -18,12 +19,6 @@ require 'ipaddr' module ActiveRecord module ConnectionHandling # :nodoc: - VALID_CONN_PARAMS = [:host, :hostaddr, :port, :dbname, :user, :password, :connect_timeout, - :client_encoding, :options, :application_name, :fallback_application_name, - :keepalives, :keepalives_idle, :keepalives_interval, :keepalives_count, - :tty, :sslmode, :requiressl, :sslcompression, :sslcert, :sslkey, - :sslrootcert, :sslcrl, :requirepeer, :krbsrvname, :gsslib, :service] - # Establishes a connection to the database that's used by all Active Record objects def postgresql_connection(config) conn_params = config.symbolize_keys @@ -35,7 +30,8 @@ module ActiveRecord conn_params[:dbname] = conn_params.delete(:database) if conn_params[:database] # Forward only valid config params to PGconn.connect. - conn_params.keep_if { |k, _| VALID_CONN_PARAMS.include?(k) } + valid_conn_param_keys = PGconn.conndefaults_hash.keys + [:requiressl] + conn_params.slice!(*valid_conn_param_keys) # The postgres drivers don't allow the creation of an unconnected PGconn object, # so just pass a nil connection object for the time being. @@ -117,61 +113,14 @@ module ActiveRecord include PostgreSQL::ReferentialIntegrity include PostgreSQL::SchemaStatements include PostgreSQL::DatabaseStatements + include PostgreSQL::ColumnDumper include Savepoints def schema_creation # :nodoc: PostgreSQL::SchemaCreation.new self end - def column_spec_for_primary_key(column) - spec = {} - if column.serial? - return unless column.bigint? - spec[:id] = ':bigserial' - elsif column.type == :uuid - spec[:id] = ':uuid' - spec[:default] = column.default_function.inspect - else - spec[:id] = column.type.inspect - spec.merge!(prepare_column_options(column).delete_if { |key, _| [:name, :type, :null].include?(key) }) - end - spec - end - - # Adds +:array+ option to the default set provided by the - # AbstractAdapter - def prepare_column_options(column) # :nodoc: - spec = super - spec[:array] = 'true' if column.array? - spec - end - - # Adds +:array+ as a valid migration key - def migration_keys - super + [:array] - end - - def schema_type(column) - return super unless column.serial? - - if column.bigint? - 'bigserial' - else - 'serial' - end - end - private :schema_type - - def schema_default(column) - if column.default_function - column.default_function.inspect unless column.serial? - else - super - end - end - private :schema_default - - # Returns +true+, since this connection adapter supports prepared statement + # Returns true, since this connection adapter supports prepared statement # caching. def supports_statement_cache? true @@ -201,13 +150,18 @@ module ActiveRecord true end + def supports_json? + postgresql_version >= 90200 + end + def index_algorithms { concurrently: 'CONCURRENTLY' } end class StatementPool < ConnectionAdapters::StatementPool def initialize(connection, max) - super + super(max) + @connection = connection @counter = 0 end @@ -239,6 +193,7 @@ module ActiveRecord @visitor = Arel::Visitors::PostgreSQL.new self if self.class.type_cast_config_to_boolean(config.fetch(:prepared_statements) { true }) @prepared_statements = true + @visitor.extend(DetermineIfPreparableVisitor) else @prepared_statements = false end @@ -321,12 +276,8 @@ module ActiveRecord true end - # Enable standard-conforming strings if available. def set_standard_conforming_strings - old, self.client_min_messages = client_min_messages, 'panic' - execute('SET standard_conforming_strings = on', 'SCHEMA') rescue nil - ensure - self.client_min_messages = old + execute('SET standard_conforming_strings = on', 'SCHEMA') end def supports_ddl_transactions? @@ -594,16 +545,22 @@ module ActiveRecord FEATURE_NOT_SUPPORTED = "0A000" #:nodoc: - def execute_and_clear(sql, name, binds) - result = without_prepared_statement?(binds) ? exec_no_cache(sql, name, binds) : - exec_cache(sql, name, binds) + def execute_and_clear(sql, name, binds, prepare: false) + if without_prepared_statement?(binds) + result = exec_no_cache(sql, name, []) + elsif !prepare + result = exec_no_cache(sql, name, binds) + else + result = exec_cache(sql, name, binds) + end ret = yield result result.clear ret end def exec_no_cache(sql, name, binds) - log(sql, name, binds) { @connection.async_exec(sql, []) } + type_casted_binds = binds.map { |attr| type_cast(attr.value_for_database) } + log(sql, name, binds) { @connection.async_exec(sql, type_casted_binds) } end def exec_cache(sql, name, binds) @@ -685,7 +642,7 @@ module ActiveRecord self.client_min_messages = @config[:min_messages] || 'warning' self.schema_search_path = @config[:schema_search_path] || @config[:schema_order] - # Use standard-conforming strings if available so we don't have to do the E'...' dance. + # Use standard-conforming strings so we don't have to do the E'...' dance. set_standard_conforming_strings # If using Active Record's time zone support configure the connection to return @@ -756,7 +713,7 @@ module ActiveRecord end def extract_table_ref_from_insert_sql(sql) # :nodoc: - sql[/into\s+([^\(]*).*values\s*\(/im] + sql[/into\s("[A-Za-z0-9_."\[\]\s]+"|[A-Za-z0-9_."\[\]]+)\s*/im] $1.strip if $1 end |