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[feature](nereids) set proper min/max value for column stats when minExpr/maxExpr is not avialable #19673

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This commit is contained in:
minghong
2023-05-19 09:02:40 +08:00
committed by GitHub
parent 0dd361dbf7
commit 84bad03ccb
1 changed files with 4 additions and 4 deletions
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8
fe/fe-core/src/main/java/org/apache/doris/statistics/ColumnStatistic.java
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@ -145,17 +145,17 @@ public class ColumnStatistic {
}
String min = resultRow.getColumnValue("min");
String max = resultRow.getColumnValue("max");
if (!StatisticsUtil.isNullOrEmpty(min)) {
if (min != null) {
columnStatisticBuilder.setMinValue(StatisticsUtil.convertToDouble(col.getType(), min));
columnStatisticBuilder.setMinExpr(StatisticsUtil.readableValue(col.getType(), min));
} else {
columnStatisticBuilder.setMinValue(Double.NaN);
columnStatisticBuilder.setMinValue(Double.MIN_VALUE);
}
if (!StatisticsUtil.isNullOrEmpty(max)) {
if (max != null) {
columnStatisticBuilder.setMaxValue(StatisticsUtil.convertToDouble(col.getType(), max));
columnStatisticBuilder.setMaxExpr(StatisticsUtil.readableValue(col.getType(), max));
} else {
columnStatisticBuilder.setMinValue(Double.NaN);
columnStatisticBuilder.setMaxValue(Double.MAX_VALUE);
}
columnStatisticBuilder.setSelectivity(1.0);
columnStatisticBuilder.setOriginalNdv(ndv);