xiedeyantu commented on code in PR #4730:
URL: https://github.com/apache/calcite/pull/4730#discussion_r2678200889
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -2180,6 +2189,144 @@ public static boolean neAny(Object b0, Object b1) {
return !eqAny(b0, b1);
}
+ private static boolean eqNullable(@Nullable Object b0, @Nullable Object b1) {
+ if (b0 == b1) {
+ return true;
+ }
+ if (b0 == null || b1 == null) {
+ return false;
+ }
+ if (b0 instanceof List && b1 instanceof List) {
+ final List<?> l0 = (List<?>) b0;
+ final List<?> l1 = (List<?>) b1;
+ if (l0.size() != l1.size()) {
+ return false;
+ }
+ for (int i = 0; i < l0.size(); i++) {
+ if (!eqNullable(l0.get(i), l1.get(i))) {
+ return false;
+ }
+ }
+ return true;
+ }
+ if (b0 instanceof Map && b1 instanceof Map) {
+ final Map<?, ?> m0 = (Map<?, ?>) b0;
+ final Map<?, ?> m1 = (Map<?, ?>) b1;
+ if (m0.size() != m1.size()) {
+ return false;
+ }
+ final Iterator<? extends Map.Entry<?, ?>> i0 = m0.entrySet().iterator();
+ final Iterator<? extends Map.Entry<?, ?>> i1 = m1.entrySet().iterator();
+ while (i0.hasNext() && i1.hasNext()) {
+ final Map.Entry<?, ?> e0 = i0.next();
+ final Map.Entry<?, ?> e1 = i1.next();
+ if (!eqNullable(e0.getKey(), e1.getKey())) {
+ return false;
+ }
+ if (!eqNullable(e0.getValue(), e1.getValue())) {
+ return false;
+ }
+ }
+ return true;
+ }
+ if (b0 instanceof Object[] && b1 instanceof Object[]) {
+ final Object[] a0 = (Object[]) b0;
+ final Object[] a1 = (Object[]) b1;
+ if (a0.length != a1.length) {
+ return false;
+ }
+ for (int i = 0; i < a0.length; i++) {
+ if (!eqNullable(a0[i], a1[i])) {
+ return false;
+ }
+ }
+ return true;
+ }
+ if (b0.getClass().equals(b1.getClass())) {
+ if (b0 instanceof BigDecimal) {
+ return eq((BigDecimal) b0, (BigDecimal) b1);
+ }
+ return b0.equals(b1);
+ }
+ if (b0 instanceof Number && b1 instanceof Number) {
+ return eq(toBigDecimal((Number) b0), toBigDecimal((Number) b1));
+ }
+ return false;
Review Comment:
Babel test will lead to this.
```
select array['hello', 'world'] = '{1,2}';
EXPR$0
false
!ok
diff
/home/runner/work/calcite/calcite/babel/build/resources/test/sql/postgresql.iq
/home/runner/work/calcite/calcite/babel/build/quidem/BabelQuidemTest/test/sql/postgresql.iq
59,60c59,186
< EXPR$0
< false
---
> org.apache.calcite.runtime.CalciteException: Invalid types for
comparison: class java.lang.String = class java.lang.Integer
```
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