From f7bef50b752ba375cfa005cdf4f5730634caa797 Mon Sep 17 00:00:00 2001
From: dyma solovei <dmytro.y.solovei@gmail.com>
Date: Tue, 23 Jun 2026 19:20:39 +0200
Subject: [PATCH 1/2] feat(gh-562): add blobHash data type

---
 .../client6/v1/api/collections/DataType.java  |  1 +
 .../client6/v1/api/collections/Property.java  | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/main/java/io/weaviate/client6/v1/api/collections/DataType.java b/src/main/java/io/weaviate/client6/v1/api/collections/DataType.java
index 62f529be8..19623eba4 100644
--- a/src/main/java/io/weaviate/client6/v1/api/collections/DataType.java
+++ b/src/main/java/io/weaviate/client6/v1/api/collections/DataType.java
@@ -14,6 +14,7 @@ public interface DataType {
   public static final String BOOL = "boolean";
   public static final String BOOL_ARRAY = "boolean[]";
   public static final String BLOB = "blob";
+  public static final String BLOB_HASH = "blobHash";
   public static final String DATE = "date";
   public static final String DATE_ARRAY = "date[]";
   public static final String UUID = "uuid";
diff --git a/src/main/java/io/weaviate/client6/v1/api/collections/Property.java b/src/main/java/io/weaviate/client6/v1/api/collections/Property.java
index f4da24a04..6696a5b8f 100644
--- a/src/main/java/io/weaviate/client6/v1/api/collections/Property.java
+++ b/src/main/java/io/weaviate/client6/v1/api/collections/Property.java
@@ -118,6 +118,25 @@ public static Property blob(String name, Function<Builder, ObjectBuilder<Propert
     return newProperty(name, DataType.BLOB, fn);
   }
 
+  /**
+   * Create a {@code blobHash} property.
+   *
+   * @param name Property name.
+   */
+  public static Property blobHash(String name) {
+    return blobHash(name, ObjectBuilder.identity());
+  }
+
+  /**
+   * Create a {@code blobHash} property with additional configuration.
+   *
+   * @param name Property name.
+   * @param fn   Lambda expression for optional parameters.
+   */
+  public static Property blobHash(String name, Function<Builder, ObjectBuilder<Property>> fn) {
+    return newProperty(name, DataType.BLOB_HASH, fn);
+  }
+
   /**
    * Create a {@code bool} property.
    *

From 02076b590a9bc81f502c2f7ece017c825615739c Mon Sep 17 00:00:00 2001
From: dyma solovei <dmytro.y.solovei@gmail.com>
Date: Thu, 25 Jun 2026 13:30:27 +0200
Subject: [PATCH 2/2] test(collections): add umbrella test for all property
 types

---
 .../integration/CollectionsITest.java         | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/it/java/io/weaviate/integration/CollectionsITest.java b/src/it/java/io/weaviate/integration/CollectionsITest.java
index 983d4b24d..03871d6cf 100644
--- a/src/it/java/io/weaviate/integration/CollectionsITest.java
+++ b/src/it/java/io/weaviate/integration/CollectionsITest.java
@@ -1,6 +1,7 @@
 package io.weaviate.integration;
 
 import java.io.IOException;
+import java.util.ArrayList;
 
 import org.assertj.core.api.Assertions;
 import org.assertj.core.api.InstanceOfAssertFactories;
@@ -510,4 +511,39 @@ public void test_asyncReplicationConfig() throws IOException {
         .returns(13, AsyncReplicationConfig::propagationConcurrency)
         .returns(14, AsyncReplicationConfig::propagationBatchSize);
   }
+
+  @Test
+  public void test_properties() {
+    Assertions.assertThatCode(() -> {
+      var properties = new ArrayList<Property>() {
+        {
+          add(Property.textArray("prop_textArray"));
+          add(Property.integer("prop_integer"));
+          add(Property.integerArray("prop_integerArray"));
+          add(Property.number("prop_number"));
+          add(Property.numberArray("prop_numberArray"));
+          add(Property.bool("prop_bool"));
+          add(Property.boolArray("prop_boolArray"));
+          add(Property.blob("prop_blob"));
+          add(Property.date("prop_date"));
+          add(Property.dateArray("prop_dateArray"));
+          add(Property.uuid("prop_uuid"));
+          add(Property.uuidArray("prop_uuidArray"));
+          add(Property.object("prop_object",
+              p -> p.nestedProperties(Property.text("foo"))));
+          add(Property.objectArray("prop_objectArray",
+              p -> p.nestedProperties(Property.text("foo"))));
+          add(Property.phoneNumber("prop_phoneNumber"));
+          add(Property.geoCoordinates("prop_geoCoordinates"));
+        }
+      };
+
+      requireAtLeast(Weaviate.Version.V137, () -> {
+        properties.add(Property.blobHash("prop_blobHash"));
+      });
+
+      client.collections.create(
+          ns("Things"), col -> col.properties(properties));
+    }).doesNotThrowAnyException();
+  }
 }