executor

type AuthManager interface {
	CreateUser(username, password string, role int) (interface{}, error)
	DeleteUser(username string) error
	GetUser(username string) (interface{}, error)
	ChangePassword(username, oldPassword, newPassword string) error
	GrantGlobal(username string, priv interface{}) error
	GrantDatabase(username, database string, priv interface{}) error
	GrantTable(username, database, table string, priv interface{}) error
	RevokeGlobal(username string, priv interface{}) error
	RevokeDatabase(username, database string, priv interface{}) error
	RevokeTable(username, database, table string, priv interface{}) error
	GetGrants(username string) ([]string, error)
}

type BackupManagerWrapper struct {
	*backup.Manager
}

type ColumnInfo struct {
	Name  string
	Type  string
	Alias string // optional alias for ORDER BY support
}

type DatabasePrivilege struct {
	Select bool
	Insert bool
	Update bool
	Delete bool
	Create bool
	Drop   bool
	Index  bool
}

type Executor struct {
	// contains filtered or unexported fields
}

type GlobalPrivilege struct {
	Select bool
	Insert bool
	Update bool
	Delete bool
	Create bool
	Drop   bool
	Index  bool
	Grant  bool
}

type IndexCondition struct {
	ColumnName string
	Op         sql.BinaryOp
	Value      interface{}
	IsRange    bool // true for <, <=, >, >=
	IsEquality bool // true for =
}

type Permission uint32

type PermissionChecker interface {
	HasPermission(perm Permission) bool
}

type Result struct {
	Columns    []ColumnInfo
	Rows       [][]interface{}
	RowCount   int
	Affected   int
	LastInsert uint64
	Message    string
}

type ScriptFunction struct {
	Name       string   `json:"name"`
	Params     []string `json:"params"`
	ReturnType string   `json:"return_type"`
	Script     string   `json:"script"`
}

type ScriptUDFManager struct {
	// contains filtered or unexported fields
}

type SessionPermissionAdapter struct {
	// contains filtered or unexported fields
}

type TablePrivilege struct {
	Select bool
	Insert bool
	Update bool
	Delete bool
	Create bool
	Drop   bool
	Index  bool
}

type UDFManager struct {
	// contains filtered or unexported fields
}

type UpdatableViewInfo struct {
	BaseTableName  string
	BaseTableCols  []string // Column names in the base table
	ViewColumns    []string // Column names in the view (mapped to base)
	WhereClause    sql.Expression
	CheckOption    string             // "CASCADED", "LOCAL", or ""
	UnderlyingView *UpdatableViewInfo // For nested views
}