func (e *Evaluator) values(v *ast.ValuesExpr) bool {
values := e.ctx.GetSessionVars().CurrInsertValues
if values == nil {
e.err = errors.New("Session current insert values is nil")
return false
}
row := values.([]types.Datum)
off := v.Column.Refer.Column.Offset
if len(row) > off {
v.SetDatum(row[off])
return true
}
e.err = errors.Errorf("Session current insert values len %d and column's offset %v don't match", len(row), off)
return false
}
func (e *Evaluator) values(v *ast.ValuesExpr) bool {
v.SetDatum(*v.Column.GetDatum())
return true
}
func (v *typeInferrer) handleValuesExpr(x *ast.ValuesExpr) {
x.SetType(x.Column.GetType())
}