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b522588d98
# Which Problems Are Solved Float64 which was used for the event.Position field is [not precise in go and gets rounded](https://github.com/golang/go/issues/47300). This can lead to unprecies position tracking of events and therefore projections especially on cockcoachdb as the position used there is a big number. example of a unprecies position: exact: 1725257931223002628 float64: 1725257931223002624.000000 # How the Problems Are Solved The float64 was replaced by [github.com/jackc/pgx-shopspring-decimal](https://github.com/jackc/pgx-shopspring-decimal). # Additional Changes Correct behaviour of makefile for load tests. Rename `latestSequence`-queries to `latestPosition`
48 lines
835 B
Go
48 lines
835 B
Go
package eventstore
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import (
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"context"
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"github.com/shopspring/decimal"
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)
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func NewEventstore(querier Querier, pusher Pusher) *EventStore {
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return &EventStore{
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Pusher: pusher,
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Querier: querier,
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}
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}
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func NewEventstoreFromOne(o one) *EventStore {
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return NewEventstore(o, o)
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}
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type EventStore struct {
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Pusher
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Querier
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}
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type one interface {
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Pusher
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Querier
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}
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type healthier interface {
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Health(ctx context.Context) error
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}
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type GlobalPosition struct {
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Position decimal.Decimal
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InPositionOrder uint32
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}
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func (gp GlobalPosition) IsLess(other GlobalPosition) bool {
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return gp.Position.LessThan(other.Position) || (gp.Position.Equal(other.Position) && gp.InPositionOrder < other.InPositionOrder)
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}
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type Reducer interface {
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Reduce(events ...*StorageEvent) error
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}
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type Reduce func(events ...*StorageEvent) error
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