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branch-2.1: [opt](nereids) support simplify string range (#55378) #55459

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Merged
yiguolei merged 1 commit into from
Sep 3, 2025
Merged

branch-2.1: [opt](nereids) support simplify string range (#55378) #55459

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7 changes: 5 additions & 2 deletions fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rules/SimplifyRange.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
import org.apache.doris.nereids.trees.expressions.literal.NullLiteral;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.BooleanType;
import org.apache.doris.nereids.types.DataType;
import org.apache.doris.nereids.util.ExpressionUtils;

import com.google.common.collect.BoundType;
Expand Down Expand Up @@ -113,8 +114,10 @@ private ValueDesc buildRange(ExpressionRewriteContext context, ComparisonPredica
if (right.isNullLiteral()) {
return new UnknownValue(context, predicate);
}
// only handle `NumericType` and `DateLikeType`
if (right.isLiteral() && (right.getDataType().isNumericType() || right.getDataType().isDateLikeType())) {
// only handle `NumericType` and `DateLikeType` and `StringLikeType`
DataType rightDataType = right.getDataType();
if (right.isLiteral() && (rightDataType.isNumericType() || rightDataType.isDateLikeType()
|| rightDataType.isStringLikeType())) {
return ValueDesc.range(context, predicate);
}
return new UnknownValue(context, predicate);
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2 changes: 2 additions & 0 deletions fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/SimplifyRangeTest.java
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Expand Up @@ -198,6 +198,8 @@ public void testSimplify() {
assertRewrite("(TA + TC > 3 and TA + TC < 1) or TB < 5", "((TA + TC) is null and null) OR TB < 5");

assertRewrite("(TA + TC > 3 OR TA < 1) AND TB = 2) AND IA =1", "(TA + TC > 3 OR TA < 1) AND TB = 2) AND IA =1");
assertRewrite("SA = '20250101' and SA < '20200101'", "SA is null and null");
assertRewrite("SA > '20250101' and SA > '20260110'", "SA > '20260110'");

}

Expand Down