Function ParseFunctionName

pkg/sql/parser/parse.go:311–323

ParseFunctionName parses a function name. The function name must contain one or more name parts, using the full input SQL syntax: each name part containing special characters, or non-lowercase characters, must be enclosed in double quote. The name may not be an invalid function name (the caller is r

(sql string)

// function name (the caller is responsible for guaranteeing that only
// valid function names are provided as input).
func ParseFunctionName(sql string) (*tree.UnresolvedObjectName, error) {
	// We wrap the name we want to parse into a dummy statement since our parser
	// can only parse full statements.
	stmt, err := ParseOne(fmt.Sprintf("ALTER FUNCTION %s RENAME TO x", sql))
	if err != nil {
		return nil, err
	}
	rename, ok := stmt.AST.(*tree.AlterRoutineRename)
	if !ok {
		return nil, errors.AssertionFailedf("expected an ALTER FUNCTION statement, but found %T", stmt)
	}
	return rename.Function.FuncName.ToUnresolvedObjectName(), nil
}

// ParseTablePattern parses a table pattern. The table name must contain one
// or more name parts, using the full input SQL syntax: each name