stmtctx

type CopTasksDetails struct {
	NumCopTasks int

	AvgProcessTime    time.Duration
	P90ProcessTime    time.Duration
	MaxProcessAddress string
	MaxProcessTime    time.Duration

	AvgWaitTime    time.Duration
	P90WaitTime    time.Duration
	MaxWaitAddress string
	MaxWaitTime    time.Duration

	MaxBackoffTime    map[string]time.Duration
	MaxBackoffAddress map[string]string
	AvgBackoffTime    map[string]time.Duration
	P90BackoffTime    map[string]time.Duration
	TotBackoffTime    map[string]time.Duration
	TotBackoffTimes   map[string]int
}

type SQLWarn struct {
	Level string
	Err   error
}

type StatementContext struct {
	// Set the following variables before execution
	StmtHints

	// IsDDLJobInQueue is used to mark whether the DDL job is put into the queue.
	// If IsDDLJobInQueue is true, it means the DDL job is in the queue of storage, and it can be handled by the DDL worker.
	IsDDLJobInQueue        bool
	InInsertStmt           bool
	InUpdateStmt           bool
	InDeleteStmt           bool
	InSelectStmt           bool
	InLoadDataStmt         bool
	InExplainStmt          bool
	IgnoreTruncate         bool
	IgnoreZeroInDate       bool
	DupKeyAsWarning        bool
	BadNullAsWarning       bool
	DividedByZeroAsWarning bool
	TruncateAsWarning      bool
	OverflowAsWarning      bool
	InShowWarning          bool
	UseCache               bool
	BatchCheck             bool
	InNullRejectCheck      bool
	AllowInvalidDate       bool

	// PrevAffectedRows is the affected-rows value(DDL is 0, DML is the number of affected rows).
	PrevAffectedRows int64
	// PrevLastInsertID is the last insert ID of previous statement.
	PrevLastInsertID uint64
	// LastInsertID is the auto-generated ID in the current statement.
	LastInsertID uint64
	// InsertID is the given insert ID of an auto_increment column.
	InsertID uint64

	BaseRowID int64
	MaxRowID  int64

	// Copied from SessionVars.TimeZone.
	TimeZone         *time.Location
	Priority         mysql.PriorityEnum
	NotFillCache     bool
	MemTracker       *memory.Tracker
	DiskTracker      *disk.Tracker
	RuntimeStatsColl *execdetails.RuntimeStatsColl
	TableIDs         []int64
	IndexNames       []string

	StmtType    string
	OriginalSQL string

	Tables    []TableEntry
	PointExec bool // for point update cached execution, Constant expression need to set "paramMarker"

	PessimisticLockWaited int32
	LockKeysDuration      time.Duration
	LockKeysCount         int32
	TblInfo2UnionScan     map[*model.TableInfo]bool
	TaskID                uint64 // unique ID for an execution of a statement
	// contains filtered or unexported fields
}

type StmtHints struct {
	// Hint Information
	MemQuotaQuery           int64
	MaxExecutionTime        uint64
	ReplicaRead             byte
	AllowInSubqToJoinAndAgg bool
	NoIndexMergeHint        bool
	// EnableCascadesPlanner is use cascades planner for a single query only.
	EnableCascadesPlanner bool

	// Hint flags
	HasAllowInSubqToJoinAndAggHint bool
	HasMemQuotaHint                bool
	HasReplicaReadHint             bool
	HasMaxExecutionTime            bool
	HasEnableCascadesPlannerHint   bool
}

type TableEntry struct {
	DB    string
	Table string
}