dbhash

package

v1.10.2 Latest Latest Go to latest Published: Feb 26, 2024 License: MIT, Apache-2.0 Imports: 7 Imported by: 0

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func DatabaseStateHash(ctx context.Context, tx *sql.Tx, opts ...Option) (string, error)

DatabaseStateHash calculates the hash of some state of the database according to the options passed.

type Config struct {
	FetchSchemasQuery string
	PerTableQueryFn   func(string) string
}

Config contains configuration parameters for tableland.

func DefaultConfig() *Config

DefaultConfig returns the default configuration.

type Option func(*Config) error

Option modifies a configuration attribute.

func WithFetchSchemasQuery(clause string) Option

WithFetchSchemasQuery limits tables that will be used for hash calculation.

func WithPerTableQueryFn(fn func(tableName string) string) Option

WithPerTableQueryFn defines a function that returns a query for a given table.