Manager manages multiple connections and sessions into single application context.
Manager ({ connections = [] } = {})
#openSession ()
Create new session
#runSession (fn)
Run session by function
Session manages single connection context
Session ({ manager, autocommit = true })
#factory (schemaName, criteria = {})
Create new query by its schema name
#begin ()
#commit ()
#rollback ()
Connection is single connection to data source
Connection ({ name })
#begin ()
#commit ()
#rollback ()
You may see schema is a single table or collection.
Schema ({ name, fields = [], modelClass = Model })
#attach ()
#filter ()
Field defines single property of schema. The id property does not have to be added as field and will be implicitly added.
Field (name, ...filters)
#filter ()
To load or persist data to data source, query object works as context of single request.
- or
- and
- eq
- ne
- gt
- gte
- lt
- lte
- in
- nin
- regex
- like
- where: use function as determinator
#find ()
#insert ()
#set ()
#save ()
#skip ()
#limit ()
#sort ()
#delete ()
#truncate ()
#drop ()
#all ()
#single ()
#count (useSkipAndLimit = false)