aokolnychyi commented on a change in pull request #398: Push down
StringStartsWith in Spark IcebergSource
URL: https://github.com/apache/incubator-iceberg/pull/398#discussion_r317416149
##########
File path:
api/src/main/java/org/apache/iceberg/expressions/InclusiveMetricsEvaluator.java
##########
@@ -254,5 +258,43 @@ public Boolean or(Boolean leftResult, Boolean
rightResult) {
public <T> Boolean notIn(BoundReference<T> ref, Literal<T> lit) {
return ROWS_MIGHT_MATCH;
}
+
+ @Override
+ public <T> Boolean startsWith(BoundReference<T> ref, Literal<T> lit) {
+ int id = ref.fieldId();
+
+ String prefix = (String) lit.value();
+ ByteBuffer prefixAsBytes =
ByteBuffer.wrap(prefix.getBytes(StandardCharsets.UTF_8));
Review comment:
I've created #414 separately to address this.
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