exec

Documentation

Index

• func AutoAnalyze(sctx sessionctx.Context, statsHandle statstypes.StatsHandle, ...) bool
• func GetAutoAnalyzeParameters(sctx sessionctx.Context) map[string]string
• func ParseAutoAnalysisWindow(start, end string) (time.Time, time.Time, error)
• func ParseAutoAnalyzeRatio(ratio string) float64
• func RunAnalyzeStmt(sctx sessionctx.Context, statsHandle statstypes.StatsHandle, ...) ([]chunk.Row, []*resolve.ResultField, error)

Functions

func AutoAnalyze

func AutoAnalyze(
	sctx sessionctx.Context,
	statsHandle statstypes.StatsHandle,
	sysProcTracker sysproctrack.Tracker,
	statsVer int,
	sql string,
	params ...any,
) bool

AutoAnalyze executes the auto analyze task.

func GetAutoAnalyzeParameters

func GetAutoAnalyzeParameters(sctx sessionctx.Context) map[string]string

GetAutoAnalyzeParameters gets the auto analyze parameters from mysql.global_variables.

func ParseAutoAnalysisWindow

func ParseAutoAnalysisWindow(start, end string) (time.Time, time.Time, error)

ParseAutoAnalysisWindow parses the time window for auto analysis. It parses the times in UTC location.

func ParseAutoAnalyzeRatio

func ParseAutoAnalyzeRatio(ratio string) float64

ParseAutoAnalyzeRatio parses the auto analyze ratio from the string.

func RunAnalyzeStmt

func RunAnalyzeStmt(
	sctx sessionctx.Context,
	statsHandle statstypes.StatsHandle,
	sysProcTracker sysproctrack.Tracker,
	statsVer int,
	sql string,
	params ...any,
) ([]chunk.Row, []*resolve.ResultField, error)

RunAnalyzeStmt executes the analyze statement.