Merge pull request #2659 from ClickHouse/various_fixes_nov_2025

Verification tests for some issues.

Author: chernser

client-v2/src/test/java/com/clickhouse/client/api/data_formats/RowBinaryTest.java

@@ -0,0 +1,73 @@
+package com.clickhouse.client.api.data_formats;
+
+import com.clickhouse.client.BaseIntegrationTest;
+import com.clickhouse.client.ClickHouseNode;
+import com.clickhouse.client.ClickHouseProtocol;
+import com.clickhouse.client.ClickHouseServerForTest;
+import com.clickhouse.client.api.Client;
+import com.clickhouse.client.api.enums.Protocol;
+import com.clickhouse.client.api.query.GenericRecord;
+import lombok.Data;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+@Test(groups = {"integration"})
+public class RowBinaryTest extends BaseIntegrationTest {
+
+    protected Client.Builder newClient() {
+        ClickHouseNode node = getServer(ClickHouseProtocol.HTTP);
+        boolean isSecure = isCloud();
+        return new Client.Builder()
+                .addEndpoint(Protocol.HTTP, node.getHost(), node.getPort(), isSecure)
+                .setUsername("default")
+                .setPassword(ClickHouseServerForTest.getPassword())
+                .setDefaultDatabase(ClickHouseServerForTest.getDatabase());
+    }
+
+
+    @Test(groups = {"integration"})
+    void testDefaultWithFunction() {
+        final String table = "test_defaults_with_function";
+        final String createTable = "CREATE TABLE " + table +" ( " +
+                "   name String," +
+                "   v Int64 DEFAULT 10, " +
+                "   fingerPrint UInt64 DEFAULT xxHash64(name)," +
+                "   comments String" +
+                ") ENGINE = MergeTree()" +
+                "ORDER BY name;";
+
+        try (Client client = newClient().build()){
+
+            client.execute("DROP TABLE IF EXISTS " + table);
+            client.execute(createTable);
+
+            client.register(DefaultWithFunctionPojo.class, client.getTableSchema(table));
+
+            DefaultWithFunctionPojo entity = new DefaultWithFunctionPojo();
+            entity.setName("test");
+            entity.setComments("test");
+            List<DefaultWithFunctionPojo> data = Collections.singletonList(entity);
+            client.insert(table, data);
+
+            List<GenericRecord> records = client.queryAll("SELECT * FROM " + table);
+            Assert.assertEquals(records.size(), 1);
+            GenericRecord record = records.get(0);
+            Assert.assertEquals(record.getString("name"), "test");
+            Assert.assertEquals(record.getLong("v"), 10);
+            Assert.assertTrue(record.getLong("fingerPrint") > 0);
+            Assert.assertEquals(record.getString("comments"), "test");
+        }
+    }
+
+    @Data
+    public static class DefaultWithFunctionPojo {
+        private String name;
+        private Long fingerPrint;
+        private Long v;
+        private String comments;
+    }
+}