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Database updates (#144)

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* start moving some database stuff around

* continue moving db stuff around

* more fiddling

* more updates

* and some more

* and yet more

* i broke SOMETHING but what, it's a mystery

* tidy up

* vendor ttlcache

* use ttlcache

* fix up some tests

* rename some stuff

* little reminder

* some more updates
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tobi 2021-08-20 12:26:56 +02:00 • committed by GitHub
commit 4920229a3b
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164 changed files with 4850 additions and 2617 deletions
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24
internal/db/error.go
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@ -18,16 +18,18 @@
package db
// ErrNoEntries is to be returned from the DB interface when no entries are found for a given query.
type ErrNoEntries struct{}
import "fmt"
func (e ErrNoEntries) Error() string {
return "no entries"
}
// Error denotes a database error.
type Error error
// ErrAlreadyExists is to be returned from the DB interface when an entry already exists for a given query or its constraints.
type ErrAlreadyExists struct{}
func (e ErrAlreadyExists) Error() string {
return "already exists"
}
var (
// ErrNoEntries is returned when a caller expected an entry for a query, but none was found.
ErrNoEntries Error = fmt.Errorf("no entries")
// ErrMultipleEntries is returned when a caller expected ONE entry for a query, but multiples were found.
ErrMultipleEntries Error = fmt.Errorf("multiple entries")
// ErrAlreadyExists is returned when a caller tries to insert a database entry that already exists in the db.
ErrAlreadyExists Error = fmt.Errorf("already exists")
// ErrUnknown denotes an unknown database error.
ErrUnknown Error = fmt.Errorf("unknown error")
)