Function Parse

server/plpgsql/parse.go:26–52

Parse parses the given CREATE FUNCTION string (which must be the entire string, not just the body) into a Block containing the contents of the body.

(fullCreateFunctionString string)

// Parse parses the given CREATE FUNCTION string (which must be the entire string, not just the body) into a Block
// containing the contents of the body.
func Parse(fullCreateFunctionString string) ([]InterpreterOperation, error) {
	var functions []function
	parsedBody, err := pg_query.ParsePlPgSqlToJSON(fullCreateFunctionString)
	if err != nil {
		return nil, err
	}
	err = json.Unmarshal([]byte(parsedBody), &functions)
	if err != nil {
		return nil, err
	}
	if len(functions) != 1 {
		return nil, errors.New("CREATE FUNCTION parsed multiple blocks")
	}
	block, err := jsonConvert(functions[0].Function)
	if err != nil {
		return nil, err
	}
	ops := make([]InterpreterOperation, 0, len(block.Body)+len(block.Variables))
	stack := NewInterpreterStack(nil)
	if err = block.AppendOperations(&ops, &stack); err != nil {
		return nil, err
	}
	if err = reconcileLabels(ops); err != nil {
		return nil, err
	}
	return ops, nil
}