cassandra

package

v0.0.0-...-73f03d9 Latest Latest Go to latest Published: May 20, 2023 License: Apache-2.0 Imports: 16 Imported by: 0

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Repository

github.com/kube-tarian/kad

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Open Source Insights

README ¶

Cassandra migration package

This package helps to apply schema changes via a wrapper written on top migration package.

The tests under this covers both db-create and db-migrate of Cassandra.

Documentation ¶

Overview ¶

Package migrate contains ...

Index ¶

Constants
Variables
func WithInstance(session *gocql.Session, config *Config) (database.Driver, error)
type Cassandra
type CassandraMigrate
- func NewCassandraMigrate(log logging.Logger) (*CassandraMigrate, error)
- func (c *CassandraMigrate) Run() error
type Config
type DBConfig

Constants ¶

View Source

const (
	LockTTLSeconds = 30
)

Variables ¶

View Source

var (
	ErrNilConfig     = errors.New("no config")
	ErrNoKeyspace    = errors.New("no keyspace provided")
	ErrDatabaseDirty = errors.New("database is dirty")
	ErrClosedSession = errors.New("session is closed")
)

View Source

var DefaultMigrationsTable = "schema_migrations"

View Source

var (
	DefaultMultiStatementMaxSize = 10 * 1 << 20 // 10 MB
)

Functions ¶

func WithInstance ¶

func WithInstance(session *gocql.Session, config *Config) (database.Driver, error)

Types ¶

type Cassandra ¶

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

func (*Cassandra) Close ¶

func (c *Cassandra) Close() error

func (*Cassandra) Drop ¶

func (c *Cassandra) Drop() error

func (*Cassandra) Lock ¶

func (c *Cassandra) Lock() error

func (*Cassandra) Open ¶

func (c *Cassandra) Open(url string) (database.Driver, error)

func (*Cassandra) Run ¶

func (c *Cassandra) Run(migration io.Reader) error

func (*Cassandra) SetVersion ¶

func (c *Cassandra) SetVersion(version int, dirty bool) error

func (*Cassandra) Unlock ¶

func (c *Cassandra) Unlock() error

func (*Cassandra) Version ¶

func (c *Cassandra) Version() (version int, dirty bool, err error)

Return current keyspace version

type CassandraMigrate ¶

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

func NewCassandraMigrate ¶

func NewCassandraMigrate(log logging.Logger) (*CassandraMigrate, error)

func (*CassandraMigrate) Run ¶

func (c *CassandraMigrate) Run() error

type Config ¶

type Config struct {
	MigrationsTable       string
	KeyspaceName          string
	MultiStatementEnabled bool
	MultiStatementMaxSize int
}

type DBConfig ¶

type DBConfig struct {
	DbDsn       string `envconfig:"DB_ADDRESSES" required:"true"`
	DbName      string `envconfig:"CASSANDRA_DB_NAME" required:"true"`
	Username    string `envconfig:"DB_SERVICE_USERNAME" required:"true"`
	Password    string `envconfig:"DB_SERVICE_PASSWD" required:"true"`
	Consistency string `envconfig:"CASSANDRA_CONSISTENCY" default:"ALL"`
	SourceURI   string `envconfig:"SOURCE_URI" default:"file:///migrations"`
}

Source Files ¶

View all Source files

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