sqlExpr = new SQLExistsExpr(createSelectParser().select(), true);
accept(Token.RPAREN);
} else if (lexer.token() == Token.LPAREN) {
lexer.token();
sqlExpr = new SQLNotExpr(expr());
accept(Token.RPAREN);
return primaryRest(sqlExpr);
} else {
SQLExpr restExpr = primary();
sqlExpr = new SQLNotExpr(restExpr);
}
break;
case SELECT:
SQLQueryExpr queryExpr = new SQLQueryExpr(createSelectParser().select());
sqlExpr = queryExpr;