dialect

package

v0.35.0 Latest Latest Go to latest Published: Aug 6, 2019 License: BSD-2-Clause Imports: 8 Imported by: 0

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github.com/mercury-holidays/sqlapi

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Documentation ¶

Constants ¶

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const (
	SqliteIndex = iota
	MysqlIndex
	PostgresIndex
	PgxIndex
)

Variables ¶

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var AllDialects = []Dialect{Sqlite, Mysql, Postgres, Pgx}

AllDialects lists all currently-supported dialects.

Functions ¶

This section is empty.

Types ¶

type Dialect ¶

type Dialect interface {
	// Index returns a consistent ID for this dialect, regardless of other settings.
	Index() int
	// String returns the name of this dialect.
	String() string
	// Alias is an alternative name for this dialect.
	Alias() string
	// Quoter is the tool used for quoting identifiers.
	Quoter() quote.Quoter
	// WithQuoter returns a modified Dialect with a given quoter.
	WithQuoter(q quote.Quoter) Dialect

	FieldAsColumn(field *schema.Field) string
	TruncateDDL(tableName string, force bool) []string
	CreateTableSettings() string
	InsertHasReturningPhrase() bool
	ShowTables() string

	ReplacePlaceholders(sql string, args []interface{}) string
	Placeholders(n int) string
	HasNumberedPlaceholders() bool
}

Dialect is an abstraction of a type of database.

var Mysql Dialect = mysql{/* contains filtered or unexported fields */}

var Pgx Dialect = pgx{}

var Postgres Dialect = postgres{/* contains filtered or unexported fields */}

var Sqlite Dialect = sqlite{/* contains filtered or unexported fields */}

func PickDialect ¶

func PickDialect(name string) Dialect

PickDialect finds a dialect that matches by name, ignoring letter case. It returns nil if not found.

type StringWriter ¶

type StringWriter interface {
	io.Writer
	WriteString(s string) (n int, err error)
	String() string
}

StringWriter is an interface that wraps the WriteString method. Note that bytes.Buffer happens to implement this interface.

func Adapt ¶

func Adapt(w io.Writer) StringWriter

Adapt wraps an io.Writer as a StringWriter.

Source Files ¶

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