`|(?P<Float>\d*\.\d+([eE][-+]?\d+)?)` +
		`|(?P<Int>\d+)` +
		`|(?P<LitString>'([^']*('')?)*')` +
		`|(?P<Operators><>|!=|<=|>=|\.\*|\[\*\]|[-+*/%,.()=<>\[\]])`,
	))

	// SQLParser is used to parse SQL statements
	SQLParser = participle.MustBuild(
		&Select{},
		participle.Lexer(sqlLexer),
		participle.CaseInsensitive("Keyword"),
		participle.CaseInsensitive("Timeword"),
	)

	tableAlias string
}

// ParseSelectStatement - parses a select query from the given string
// and analyzes it.
func ParseSelectStatement(s string) (stmt SelectStatement, err error) {
	var selectAST Select
	err = SQLParser.ParseString(s, &selectAST)
	if err != nil {
		err = errQueryParseFailure(err)
		return
	}

	// Check if select is "SELECT s.* from S3Object s"
	if !selectAST.Expression.All &&