func getBoundValue(valExpr sqlparser.ValExpr, bindVariables map[string]interface{}) (string, error) {
switch node := valExpr.(type) {
case sqlparser.ValTuple:
if len(node) != 1 {
return "", fmt.Errorf("tuples not allowed as insert values")
}
// TODO: Change parser to create single value tuples into non-tuples.
return getBoundValue(node[0], bindVariables)
case sqlparser.StrVal:
return string(node), nil
case sqlparser.NumVal:
val, err := strconv.ParseInt(string(node), 10, 64)
if err != nil {
return "", err
}
return key.Uint64Key(val).String(), nil
case sqlparser.ValArg:
value, err := findBindValue(node, bindVariables)
if err != nil {
return "", err
}
return key.EncodeValue(value), nil
}
panic("Unexpected token")
}
func (node *Node) getBoundValue(bindVariables map[string]interface{}) string {
switch node.Type {
case '(':
return node.NodeAt(0).getBoundValue(bindVariables)
case STRING:
return string(node.Value)
case NUMBER:
val, err := strconv.ParseInt(string(node.Value), 10, 64)
if err != nil {
panic(NewParserError("%s", err.Error()))
}
return key.Uint64Key(val).String()
case VALUE_ARG:
value := node.findBindValue(bindVariables)
return key.EncodeValue(value)
}
panic("Unexpected token")
}