public void assertConvertsTo(String sql, String plan, boolean trim) {
String sql2 = getDiffRepos().expand("sql", sql);
RelNode rel = convertSqlToRel(sql2);
assertTrue(rel != null);
assertValid(rel);
if (trim) {
final RelFieldTrimmer trimmer = createFieldTrimmer();
rel = trimmer.trim(rel);
assertTrue(rel != null);
assertValid(rel);
}
// NOTE jvs 28-Mar-2006: insert leading newline so
// that plans come out nicely stacked instead of first
// line immediately after CDATA start
String actual = NL + RelOptUtil.toString(rel);
diffRepos.assertEquals("plan", plan, actual);
}