stmtcache

type Cache interface {
	// Get returns the statement description for sql. Returns nil if not found.
	Get(sql string) *pgconn.StatementDescription

	// Put stores sd in the cache. Put panics if sd.SQL is "". Put does nothing if sd.SQL already exists in the cache.
	Put(sd *pgconn.StatementDescription)

	// Invalidate invalidates statement description identified by sql. Does nothing if not found.
	Invalidate(sql string)

	// InvalidateAll invalidates all statement descriptions.
	InvalidateAll()

	// GetInvalidated returns a slice of all statement descriptions invalidated since the last call to RemoveInvalidated.
	GetInvalidated() []*pgconn.StatementDescription

	// RemoveInvalidated removes all invalidated statement descriptions. No other calls to Cache must be made between a
	// call to GetInvalidated and RemoveInvalidated or RemoveInvalidated may remove statement descriptions that were
	// never seen by the call to GetInvalidated.
	RemoveInvalidated()

	// Len returns the number of cached prepared statement descriptions.
	Len() int

	// Cap returns the maximum number of cached prepared statement descriptions.
	Cap() int
}

type LRUCache struct {
	// contains filtered or unexported fields
}

type UnlimitedCache struct {
	// contains filtered or unexported fields
}