address some pr comments

- to string format
- z and m valid checking
- warn with abort

Author: zhangfengcdt

parquet-column/src/main/java/org/apache/parquet/column/statistics/geometry/BoundingBox.java

@@ -90,6 +90,30 @@ public boolean isValid() {
     return !(Double.isNaN(xMin) || Double.isNaN(xMax) || Double.isNaN(yMin) || Double.isNaN(yMax));
   }
 
+  /**
+   * Checks if the Z dimension of the bounding box is valid.
+   * The Z dimension is considered valid if zMin and zMax are not infinite
+   * and don't contain NaN values.
+   *
+   * @return true if the Z dimension is valid, false otherwise.
+   */
+  public boolean isZValid() {
+    return !(Double.isInfinite(zMin) || Double.isInfinite(zMax) ||
+        Double.isNaN(zMin) || Double.isNaN(zMax));
+  }
+
+  /**
+   * Checks if the M dimension of the bounding box is valid.
+   * The M dimension is considered valid if mMin and mMax are not infinite
+   * and don't contain NaN values.
+   *
+   * @return true if the M dimension is valid, false otherwise.
+   */
+  public boolean isMValid() {
+    return !(Double.isInfinite(mMin) || Double.isInfinite(mMax) ||
+        Double.isNaN(mMin) || Double.isNaN(mMax));
+  }
+
   /**
    * Checks if the bounding box is empty.
    * A bounding box is considered empty if any bounds are in their initial state

parquet-column/src/main/java/org/apache/parquet/column/statistics/geometry/GeospatialStatistics.java

@@ -18,20 +18,22 @@
  */
 package org.apache.parquet.column.statistics.geometry;
 
-import java.util.Objects;
 import org.apache.parquet.Preconditions;
 import org.apache.parquet.io.api.Binary;
 import org.apache.parquet.schema.LogicalTypeAnnotation;
 import org.apache.parquet.schema.PrimitiveType;
 import org.locationtech.jts.geom.Geometry;
 import org.locationtech.jts.io.ParseException;
 import org.locationtech.jts.io.WKBReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * A structure for capturing metadata for estimating the unencoded,
  * uncompressed size of geospatial data written.
  */
 public class GeospatialStatistics {
+  private static final Logger LOG = LoggerFactory.getLogger(GeospatialStatistics.class);
 
   // Metadata that may impact the statistics calculation
   private final BoundingBox boundingBox;
@@ -92,6 +94,7 @@ public void update(Binary value) {
         Geometry geom = reader.read(value.getBytes());
         update(geom);
       } catch (ParseException e) {
+        LOG.warn("Failed to parse WKB geometry, aborting statistics update", e);
         abort();
       }
     }
@@ -183,11 +186,10 @@ public GeospatialTypes getGeospatialTypes() {
    * @return whether the statistics has valid value.
    */
   public boolean isValid() {
-    if (boundingBox == null && geospatialTypes == null) {
+    if (boundingBox == null || geospatialTypes == null) {
       return false;
     }
-    return Objects.requireNonNull(this.boundingBox).isValid()
-        && Objects.requireNonNull(this.geospatialTypes).isValid();
+    return boundingBox.isValid() && geospatialTypes.isValid();
   }
 
   public void merge(GeospatialStatistics other) {

parquet-column/src/main/java/org/apache/parquet/schema/LogicalTypeAnnotation.java

@@ -1301,12 +1301,20 @@ LogicalTypeToken getType() {
     @Override
     protected String typeParametersAsString() {
       StringBuilder sb = new StringBuilder();
+
+      boolean hasCrs = crs != null && !crs.isEmpty();
+      boolean hasEdgeAlgorithm = edgeAlgorithm != null;
+
+      if (!hasCrs && !hasEdgeAlgorithm) {
+        return ""; // Return empty string when both are empty
+      }
+
       sb.append("(");
-      if (crs != null && !crs.isEmpty()) {
+      if (hasCrs) {
         sb.append(crs);
       }
-      if (edgeAlgorithm != null) {
-        if (crs != null && !crs.isEmpty()) sb.append(",");
+      if (hasEdgeAlgorithm) {
+        if (hasCrs) sb.append(",");
         sb.append(edgeAlgorithm);
       }
       sb.append(")");

parquet-hadoop/src/main/java/org/apache/parquet/format/converter/ParquetMetadataConverter.java

@@ -824,12 +824,12 @@ private static BoundingBox toParquetBoundingBox(org.apache.parquet.column.statis
     formatBbox.setYmin(bbox.getYMin());
     formatBbox.setYmax(bbox.getYMax());
 
-    if (Double.isInfinite(bbox.getZMin()) && Double.isInfinite(bbox.getZMax())) {
+    if (bbox.isZValid()) {
       formatBbox.setZmin(bbox.getZMin());
       formatBbox.setZmax(bbox.getZMax());
     }
 
-    if (Double.isInfinite(bbox.getMMin()) && Double.isInfinite(bbox.getMMax())) {
+    if (bbox.isMValid()) {
       formatBbox.setMmin(bbox.getMMin());
       formatBbox.setMmax(bbox.getMMax());
     }