Class | Sequel::Postgres::Adapter |
In: |
lib/sequel/adapters/postgres.rb
|
Parent: | ::PGconn |
PGconn subclass for connection specific methods used with the pg, postgres, or postgres-pr driver.
Apply connection settings for this connection. Current sets the date style to ISO in order make Date object creation in ruby faster, if Postgres.use_iso_date_format is true.
# File lib/sequel/adapters/postgres.rb, line 132 132: def apply_connection_settings 133: super 134: if Postgres.use_iso_date_format 135: sql = "SET DateStyle = 'ISO'" 136: @db.log_info(sql) 137: execute(sql) 138: end 139: @prepared_statements = {} if SEQUEL_POSTGRES_USES_PG 140: end
Execute the given SQL with this connection. If a block is given, yield the results, otherwise, return the number of changed rows.
# File lib/sequel/adapters/postgres.rb, line 144 144: def execute(sql, args=nil) 145: q = nil 146: begin 147: q = args ? async_exec(sql, args) : async_exec(sql) 148: rescue PGError => e 149: begin 150: s = status 151: rescue PGError 152: raise Sequel.convert_exception_class(e, Sequel::DatabaseDisconnectError) 153: end 154: status_ok = (s == Adapter::CONNECTION_OK) 155: status_ok ? raise : Sequel.convert_exception_class(e, Sequel::DatabaseDisconnectError) 156: ensure 157: block if status_ok 158: end 159: begin 160: block_given? ? yield(q) : q.cmd_tuples 161: ensure 162: q.clear 163: end 164: end