aokolnychyi commented on code in PR #6524:
URL: https://github.com/apache/iceberg/pull/6524#discussion_r1062930653
##########
spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkScanBuilder.java:
##########
@@ -106,41 +106,41 @@ public SparkScanBuilder caseSensitive(boolean
isCaseSensitive) {
@Override
public Filter[] pushFilters(Filter[] filters) {
List<Expression> expressions =
Lists.newArrayListWithExpectedSize(filters.length);
- List<Filter> pushed = Lists.newArrayListWithExpectedSize(filters.length);
+ List<Filter> pushableFilters =
Lists.newArrayListWithExpectedSize(filters.length);
+ List<Filter> postScanFilters =
Lists.newArrayListWithExpectedSize(filters.length);
for (Filter filter : filters) {
- Expression expr = null;
try {
- expr = SparkFilters.convert(filter);
- } catch (IllegalArgumentException e) {
- // converting to Iceberg Expression failed, so this expression cannot
be pushed down
- LOG.info(
- "Failed to convert filter to Iceberg expression, skipping push
down for this expression: {}. {}",
- filter,
- e.getMessage());
- }
+ Expression expr = SparkFilters.convert(filter);
- if (expr != null) {
- try {
+ if (expr != null) {
+ // try binding the expression to ensure it can be pushed down
Binder.bind(schema.asStruct(), expr, caseSensitive);
+
expressions.add(expr);
- pushed.add(filter);
- } catch (ValidationException e) {
- // binding to the table schema failed, so this expression cannot be
pushed down
- LOG.info(
- "Failed to bind expression to table schema, skipping push down
for this expression: {}. {}",
- filter,
- e.getMessage());
+ pushableFilters.add(filter);
+ }
+
+ if (expr == null || requiresRecordLevelFiltering(expr)) {
+ postScanFilters.add(filter);
}
+ } catch (Exception e) {
+ LOG.warn("Failed to check if {} can be pushed down: {}", filter,
e.getMessage());
Review Comment:
That's true.
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