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[Fix](nereids) fix partition_prune or expression evaluate wrongly (#38897) #38998

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Merged
yiguolei merged 1 commit into from
Aug 7, 2024
Merged

[Fix](nereids) fix partition_prune or expression evaluate wrongly (#38897) #38998

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50 changes: 17 additions & 33 deletions ...main/java/org/apache/doris/nereids/rules/expression/rules/OneRangePartitionEvaluator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -409,17 +409,8 @@ public EvaluateRangeResult visitIsNull(IsNull isNull, EvaluateRangeInput context
@Override
public EvaluateRangeResult visitAnd(And and, EvaluateRangeInput context) {
EvaluateRangeResult result = evaluateChildrenThenThis(and, context);

result = mergeRanges(result.result, result.childrenResult.get(0), result.childrenResult.get(1),
(leftRange, rightRange) -> {
if (leftRange == null) {
return rightRange;
}
if (rightRange == null) {
return leftRange;
}
return leftRange.intersect(rightRange);
});
(leftRange, rightRange) -> leftRange.intersect(rightRange));

result = returnFalseIfExistEmptyRange(result);
if (result.result.equals(BooleanLiteral.FALSE)) {
Expand All @@ -435,18 +426,20 @@ public EvaluateRangeResult visitAnd(And and, EvaluateRangeInput context) {
@Override
public EvaluateRangeResult visitOr(Or or, EvaluateRangeInput context) {
EvaluateRangeResult result = evaluateChildrenThenThis(or, context);

if (result.result.equals(BooleanLiteral.FALSE)) {
return result;
} else if (result.childrenResult.get(0).result.equals(BooleanLiteral.FALSE)) {
// false or a<1 -> return range a<1
return new EvaluateRangeResult(result.result, result.childrenResult.get(1).columnRanges,
result.childrenResult);
} else if (result.childrenResult.get(1).result.equals(BooleanLiteral.FALSE)) {
// a<1 or false -> return range a<1
return new EvaluateRangeResult(result.result, result.childrenResult.get(0).columnRanges,
result.childrenResult);
}
result = mergeRanges(result.result, result.childrenResult.get(0), result.childrenResult.get(1),
(leftRange, rightRange) -> {
if (leftRange == null) {
return rightRange;
}
if (rightRange == null) {
return leftRange;
}
return leftRange.union(rightRange);
});
return removeEmptyRange(result);
(leftRange, rightRange) -> leftRange.union(rightRange));
return returnFalseIfExistEmptyRange(result);
}

@Override
Expand Down Expand Up @@ -596,7 +589,9 @@ private EvaluateRangeResult mergeRanges(
.build();

Map<Expression, ColumnRange> mergedRange = exprs.stream()
.map(expr -> Pair.of(expr, mergeFunction.apply(leftRanges.get(expr), rightRanges.get(expr))))
.map(expr -> Pair.of(expr, mergeFunction.apply(
leftRanges.containsKey(expr) ? leftRanges.get(expr) : rangeMap.get(expr),
rightRanges.containsKey(expr) ? rightRanges.get(expr) : rangeMap.get(expr))))
.collect(ImmutableMap.toImmutableMap(Pair::key, Pair::value));
return new EvaluateRangeResult(originResult, mergedRange, ImmutableList.of(left, right));
}
Expand Down Expand Up @@ -821,17 +816,6 @@ private List<Map<Slot, PartitionSlotInput>> commonComputeOnePartitionInputs() {
return onePartitionInputs;
}

private EvaluateRangeResult removeEmptyRange(EvaluateRangeResult result) {
ImmutableMap.Builder<Expression, ColumnRange> builder = ImmutableMap.builder();
for (Map.Entry<Expression, ColumnRange> entry : result.columnRanges.entrySet()) {
if (entry.getValue().isEmptyRange()) {
continue;
}
builder.put(entry);
}
return new EvaluateRangeResult(result.result, builder.build(), result.childrenResult);
}

private EvaluateRangeResult computeMonotonicFunctionRange(EvaluateRangeResult result) {
Monotonic func = (Monotonic) result.result;
if (rangeMap.containsKey(func)) {
Expand Down
10 changes: 10 additions & 0 deletions regression-test/data/nereids_rules_p0/partition_prune/test_date_trunc_prune.out
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
-- This file is automatically generated. You should know what you did if you want to edit this
-- !or_evaluate --
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