ConeyLiu commented on code in PR #7898:
URL: https://github.com/apache/iceberg/pull/7898#discussion_r1245026734
##########
spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkV2Filters.java:
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@@ -152,31 +159,30 @@ public static Expression convert(Predicate predicate) {
}
case EQ: // used for both eq and null-safe-eq
- Object value;
- String columnName;
- if (isRef(leftChild(predicate)) && isLiteral(rightChild(predicate)))
{
- columnName = SparkUtil.toColumnName(leftChild(predicate));
- value = convertLiteral(rightChild(predicate));
- } else if (isRef(rightChild(predicate)) &&
isLiteral(leftChild(predicate))) {
- columnName = SparkUtil.toColumnName(rightChild(predicate));
- value = convertLiteral(leftChild(predicate));
- } else {
+ PredicateChildren<Object> eqChildren = predicateChildren(predicate);
+ if (eqChildren == null) {
return null;
}
- if (predicate.name().equals(EQ)) {
- // comparison with null in normal equality is always null. this is
probably a mistake.
+ if (EQ.equals(predicate.name())) {
+ // comparison with null in normal equality is always null. this is
probably a
+ // mistake.
Review Comment:
Reverted
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