djkevincr commented on a change in pull request #158: GORA-555: Improve Lucene
query implementation with NumericRangeQuery
URL: https://github.com/apache/gora/pull/158#discussion_r272787885
##########
File path:
gora-lucene/src/main/java/org/apache/gora/lucene/query/LuceneQuery.java
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@@ -51,22 +57,41 @@ public Query toLuceneQuery() {
if (getKey() != null) {
q = new TermQuery(new Term(pk, getKey().toString()));
} else {
- //TODO: Change this to a NumericRangeQuery when necessary (it's faster)
- String lower = null;
- String upper = null;
- if (getStartKey() != null) {
- //Do we need to escape the term?
- lower = getStartKey().toString();
- }
- if (getEndKey() != null) {
- upper = getEndKey().toString();
- }
- if (upper == null && lower == null) {
- q = new MatchAllDocsQuery();
+ if (getEndKey() == null && getStartKey() == null) {
+ return new MatchAllDocsQuery();
} else {
- q = TermRangeQuery.newStringRange(pk, lower, upper, true, true);
+ q = inferType(pk, getStartKey(), getEndKey());
}
}
return q;
}
+
+ private <T> Query inferType(String pk, T lower, T upper) {
+ if (((lower != null && lower.getClass() == Integer.class)
+ || (upper != null && upper.getClass() == Integer.class))) {
+ int ilower = lower == null ? Integer.MIN_VALUE :
Integer.valueOf(lower.toString());
Review comment:
int ilower = lower == null ? Integer.MIN_VALUE :
Integer.valueOf(lower.toString());
If the value here is in Integer class ( lower.getClass() == Integer.class )
Is it necessary to convert to String and take the Integer value using
Integer.valueOf(lower.toString()) ===
int ilower = lower == null ? Integer.MIN_VALUE : (Integer) lower;
This is the same for other cases in below for float, long, double.
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