public void pruneCandidateFactWithCandidateSet(CandidateTablePruneCause pruneCause) {
// remove candidate facts that are not part of any covering set
Set<CandidateFact> allCoveringFacts = new HashSet<CandidateFact>();
for (Set<CandidateFact> set : candidateFactSets) {
allCoveringFacts.addAll(set);
}
for (Iterator<CandidateFact> i = candidateFacts.iterator(); i.hasNext(); ) {
CandidateFact cfact = i.next();
if (!allCoveringFacts.contains(cfact)) {
log.info("Not considering fact table:{} as {}", cfact, pruneCause);
addFactPruningMsgs(cfact.fact, pruneCause);
i.remove();
}
}
}
public boolean isCubeMeasure(String col) {
if (col == null) {
return false;
}
col = col.trim();
// Take care of brackets added around col names in HQLParsrer.getString
if (col.startsWith("(") && col.endsWith(")") && col.length() > 2) {
col = col.substring(1, col.length() - 1);
}
String[] split = StringUtils.split(col, ".");
if (split.length <= 1) {
col = col.trim().toLowerCase();
if (queriedExprs.contains(col)) {
return exprCtx
.getExpressionContext(col, getAliasForTableName(cube.getName()))
.hasMeasures();
} else {
return cube.getMeasureNames().contains(col);
}
} else {
String cubeName = split[0].trim().toLowerCase();
String colName = split[1].trim().toLowerCase();
if (cubeName.equalsIgnoreCase(cube.getName())
|| cubeName.equals(getAliasForTableName(cube.getName()))) {
if (queriedExprs.contains(colName)) {
return exprCtx.getExpressionContext(colName, cubeName).hasMeasures();
} else {
return cube.getMeasureNames().contains(colName.toLowerCase());
}
} else {
return false;
}
}
}
public boolean isAggregateExpr(String expr) {
return aggregateExprs.contains(expr == null ? null : expr.toLowerCase());
}