xiarixiaoyao commented on a change in pull request #4013:
URL: https://github.com/apache/hudi/pull/4013#discussion_r753757069
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File path:
hudi-common/src/main/java/org/apache/hudi/common/model/HoodieColumnRangeMetadata.java
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@@ -30,16 +28,21 @@
private final String columnName;
private final T minValue;
private final T maxValue;
- private final long numNulls;
- private final PrimitiveStringifier stringifier;
+ private long numNulls;
+ // For Decimal Type/Date Type, minValue/maxValue cannot represent it's
original value.
+ // eg: when parquet collects column information, the decimal type is
collected as int/binary type.
+ // so we cannot use minValue and maxValue directly, use
minValueAsString/maxValueAsString instead.
+ private final String minValueAsString;
+ private final String maxValueAsString;
- public HoodieColumnRangeMetadata(final String filePath, final String
columnName, final T minValue, final T maxValue, final long numNulls, final
PrimitiveStringifier stringifier) {
+ public HoodieColumnRangeMetadata(final String filePath, final String
columnName, final T minValue, final T maxValue, long numNulls, final String
minValueAsString, final String maxValueAsString) {
this.filePath = filePath;
this.columnName = columnName;
this.minValue = minValue;
this.maxValue = maxValue;
- this.numNulls = numNulls;
- this.stringifier = stringifier;
+ this.numNulls = numNulls == -1 ? 0 : numNulls;
Review comment:
yes, we have already throw exceptions in L264 in
ZCurveOptimizeHelper.getMinMaxValue
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