A thin wrapper around a source of database connections, an interpreter, and
a strategy for running programs, parameterized over a target monad M
and
an arbitrary wrapped value A
. Given a stream or program in ConnectionIO
or a program in Kleisli
, a Transactor
can discharge the doobie
machinery and yield an effectful stream or program in M
.
Attributes
- M
a target effect type; typically
IO
- Companion:
- object
- Source:
- transactor.scala
- Graph
- Supertypes
- class Objecttrait Matchableclass Any
- Self type
- Transactor[M]
Members list
Natural Transformations
Natural transformation that provides a connection and binds through a
Kleisli
program using the given Strategy
, yielding an independent
program in M
.
Natural transformation that provides a connection and binds through a
Kleisli
program using the given Strategy
, yielding an independent
program in M
.
Attributes
- Source:
- transactor.scala
Natural transformation equivalent to exec
that does not use the
provided Strategy
and instead directly binds the Connection
provided
by connect
. This can be useful in cases where transactional handling is
unsupported or undesired.
Natural transformation equivalent to exec
that does not use the
provided Strategy
and instead directly binds the Connection
provided
by connect
. This can be useful in cases where transactional handling is
unsupported or undesired.
Attributes
- Source:
- transactor.scala
Natural transformation equivalent to trans
that does not use the
provided Strategy
and instead directly binds the Connection
provided
by connect
. This can be useful in cases where transactional handling is
unsupported or undesired.
Natural transformation equivalent to trans
that does not use the
provided Strategy
and instead directly binds the Connection
provided
by connect
. This can be useful in cases where transactional handling is
unsupported or undesired.
Attributes
- Source:
- transactor.scala
Natural transformation that provides a connection and binds through a
ConnectionIO
program interpreted via the given interpreter, using the
given Strategy
, yielding an independent program in M
. This is the
most common way to run a doobie program.
Natural transformation that provides a connection and binds through a
ConnectionIO
program interpreted via the given interpreter, using the
given Strategy
, yielding an independent program in M
. This is the
most common way to run a doobie program.
Attributes
- Source:
- transactor.scala
Configuration
Construct a program to perform arbitrary configuration on the kernel
value (changing the timeout on a connection pool, for example). This can
be the basis for constructing a configuration language for a specific
kernel type A
, whose operations can be added to compatible
Transactor
s via implicit conversion.
Construct a program to perform arbitrary configuration on the kernel
value (changing the timeout on a connection pool, for example). This can
be the basis for constructing a configuration language for a specific
kernel type A
, whose operations can be added to compatible
Transactor
s via implicit conversion.
Attributes
- Source:
- transactor.scala
Type members
Types
An arbitrary value that will be handed back to connect
*
Value members
Abstract methods
A program in M
that can provide a database connection, given the kernel
*
A program in M
that can provide a database connection, given the kernel
*
Attributes
- Source:
- transactor.scala
A natural transformation for interpreting ConnectionIO
*
An arbitrary value, meaningful to the instance *
A Strategy
for running a program on a connection *
Concrete methods
Attributes
- Source:
- transactor.scala
Attributes
- Source:
- transactor.scala
Attributes
- Source:
- transactor.scala
Attributes
- Source:
- transactor.scala
Attributes
- Source:
- transactor.scala
Attributes
- Source:
- transactor.scala
Construct a doobie.util.yolo.Yolo for REPL experimentation.