sidecardb

package

v0.16.0-rc1 Latest Latest Go to latest Published: Feb 8, 2023 License: Apache-2.0 Imports: 17 Imported by: 0

Details

Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/vitessio/vitess

Documentation ¶

Index ¶

Constants
func AddSchemaInitQueries(db *fakesqldb.DB, populateTables bool)
func GetDDLCount() int64
func Init(ctx context.Context, exec Exec) error
func MatchesInitQuery(query string) bool
type Exec

Constants ¶

View Source

const (
	SidecarDBName              = "_vt"
	CreateSidecarDatabaseQuery = "create database if not exists _vt"
	UseSidecarDatabaseQuery    = "use _vt"
	ShowSidecarDatabasesQuery  = "SHOW DATABASES LIKE '\\_vt'"
	SelectCurrentDatabaseQuery = "select database()"
	ShowCreateTableQuery       = "show create table _vt.%s"

	CreateTableRegexp = "CREATE TABLE .* `\\_vt`\\..*"
	AlterTableRegexp  = "ALTER TABLE `\\_vt`\\..*"
)

Variables ¶

This section is empty.

Functions ¶

func AddSchemaInitQueries ¶

func AddSchemaInitQueries(db *fakesqldb.DB, populateTables bool)

AddSchemaInitQueries adds sidecar database schema related queries to a mock db.

func GetDDLCount ¶

func GetDDLCount() int64

GetDDLCount metric returns the count of sidecardb ddls that have been run as part of this vttablet's init process.

func Init ¶

func Init(ctx context.Context, exec Exec) error

Init creates or upgrades the sidecar database based on declarative schema for all tables in the schema.

func MatchesInitQuery ¶

func MatchesInitQuery(query string) bool

MatchesInitQuery returns true if query has one of the test patterns as a substring, or it matches a provided regexp.

Types ¶

type Exec ¶

type Exec func(ctx context.Context, query string, maxRows int, useDB bool) (*sqltypes.Result, error)

Exec is a callback that has to be passed to Init() to execute the specified query in the database.

Source Files ¶

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