(paimon) branch master updated: [docs] Fix error in blob.md docs (#6771)

[junhao]

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junhao pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/paimon.git


The following commit(s) were added to refs/heads/master by this push:
     new 731475b9b0 [docs] Fix error in blob.md docs (#6771)
731475b9b0 is described below

commit 731475b9b0c69cc2147039f933c4e66a4e651ce1
Author: YeJunHao <41894543+leaves12...@users.noreply.github.com>
AuthorDate: Mon Dec 8 14:13:02 2025 +0800

    [docs] Fix error in blob.md docs (#6771)
---
 docs/content/concepts/spec/blob.md | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/docs/content/concepts/spec/blob.md 
b/docs/content/concepts/spec/blob.md
index 01c5776618..8452dcfcce 100644
--- a/docs/content/concepts/spec/blob.md
+++ b/docs/content/concepts/spec/blob.md
@@ -474,7 +474,7 @@ public class BlobDescriptorExample {
                 .column("video", DataTypes.BLOB())
                 .option(CoreOptions.ROW_TRACKING_ENABLED.key(), "true")
                 .option(CoreOptions.DATA_EVOLUTION_ENABLED.key(), "true")
-                .option(CoreOptions.BLOB_AS_DESCRIPTOR.key(), "true")  // 
Enable descriptor mode
+                .option(CoreOptions.BLOB_AS_DESCRIPTOR.key(), "true")  // This 
is not necessary in java api
                 .build();
 
         Identifier tableId = Identifier.create("my_db", "video_table");
@@ -502,14 +502,17 @@ public class BlobDescriptorExample {
             long fileSize = 2L * 1024 * 1024 * 1024;  // 2GB
 
             BlobDescriptor descriptor = new BlobDescriptor(externalUri, 0, 
fileSize);
+            // file io should be accessable to externalUri
+            FileIO fileIO = Table.fileIO();
+            UriReader uriReader = UriReader.fromFile(fileIO);
+            Blob blob = Blob.fromDescriptor(uriReader, descriptor);
 
             // Write the serialized descriptor as blob data
             // Paimon will read from the URI and copy data to .blob files in 
chunks
             GenericRow row = GenericRow.of(
                     1,
                     BinaryString.fromString("large_video"),
-                    new BlobData(descriptor.serialize())
-            );
+                    blob);
             write.write(row);
 
             commit.commit(write.prepareCommit());