rdblue commented on a change in pull request #357: Add in and not in predicates
URL: https://github.com/apache/incubator-iceberg/pull/357#discussion_r313499455
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File path: api/src/main/java/org/apache/iceberg/expressions/Evaluator.java
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@@ -134,18 +134,18 @@ public Boolean or(Boolean leftResult, Boolean
rightResult) {
}
@Override
- public <T> Boolean in(BoundReference<T> ref, Literal<T> lit) {
- throw new UnsupportedOperationException("In is not supported yet");
+ public <T> Boolean in(BoundReference<T> ref, LiteralSet<T> literalSet) {
+ return literalSet.contains(ref.get(struct));
}
@Override
- public <T> Boolean notIn(BoundReference<T> ref, Literal<T> lit) {
- return !in(ref, lit);
+ public <T> Boolean notIn(BoundReference<T> ref, LiteralSet<T> literalSet) {
+ return !in(ref, literalSet);
}
@Override
public <T> Boolean startsWith(BoundReference<T> ref, Literal<T> lit) {
- return ((String) ref.get(struct)).startsWith((String) lit.value());
+ return ((String) ref.get(struct)).startsWith(lit.value().toString());
Review comment:
This isn't a related change, and the literal is guaranteed to be a string at
this point. I don't think this should be included in this PR.
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