db

Documentation

Index

• type Client
• type DB
• type Handler
• type NamedExecer
• type Pinger
• type Query
• type QueryExecer
• type SQLExecer
• type Transactor
• type TxManager

Types

type Client

type Client interface {
	DB() DB
	Close() error
}

Client is a database client.

type DB

type DB interface {
	SQLExecer
	Transactor
	Pinger
	Close()
}

DB is an interface for database driver.

type Handler

type Handler func(ctx context.Context) error

Handler is a type of functions that is executed in transaction.

type NamedExecer

type NamedExecer interface {
	ScanOneContext(context.Context, interface{}, Query, ...interface{}) error
	ScanAllContext(context.Context, interface{}, Query, ...interface{}) error
}

NamedExecer is an interface for database named query.

type Pinger

type Pinger interface {
	Ping(context.Context) error
}

Pinger is an interface for database ping.

type Query

type Query struct {
	Name     string
	QueryRaw string
}

Query is a named query struct.

type QueryExecer

type QueryExecer interface {
	ExecContext(context.Context, Query, ...interface{}) (pgconn.CommandTag, error)
	QueryContext(context.Context, Query, ...interface{}) (pgx.Rows, error)
	QueryRowContext(context.Context, Query, ...interface{}) pgx.Row
}

QueryExecer is an interface for database common query.

type SQLExecer

type SQLExecer interface {
	NamedExecer
	QueryExecer
}

SQLExecer complex NamedExecer & QueryExecer

type Transactor

type Transactor interface {
	BeginTx(context.Context, pgx.TxOptions) (pgx.Tx, error)
}

Transactor is an interface for beggin database transaction.

type TxManager

type TxManager interface {
	ReadCommitted(context.Context, Handler) error
}

TxManager is an interface for transaction manager,