kbendick commented on a change in pull request #3369:
URL: https://github.com/apache/iceberg/pull/3369#discussion_r736001691
##########
File path:
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkTable.java
##########
@@ -212,33 +220,44 @@ private String getRowLevelOperationMode(String operation)
{
@Override
public boolean canDeleteWhere(Filter[] filters) {
- if (table().specs().size() > 1) {
- // cannot guarantee a metadata delete will be successful if we have
multiple specs
- return false;
- }
-
- Set<Integer> identitySourceIds = table().spec().identitySourceIds();
- Schema schema = table().schema();
+ Expression deleteExpr = Expressions.alwaysTrue();
for (Filter filter : filters) {
- // return false if the filter requires rewrite or if we cannot translate
the filter
- if (requiresRewrite(filter, schema, identitySourceIds) ||
SparkFilters.convert(filter) == null) {
+ Expression expr = SparkFilters.convert(filter);
+ if (expr != null) {
+ deleteExpr = Expressions.and(deleteExpr, expr);
+ } else {
return false;
}
}
- return true;
+ return deleteExpr == Expressions.alwaysTrue() ||
canDeleteUsingMetadata(deleteExpr);
Review comment:
Should this use `equals` instead of `==`?
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