chore: update sample files for testing

google-cloud-spanner-executor/pom.xml

@@ -30,6 +30,11 @@
       <groupId>io.grpc</groupId>
       <artifactId>grpc-api</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>grpc-gcp</artifactId>
+      <version>1.6.1</version>
+    </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-netty-shaded</artifactId>

google-cloud-spanner/pom.xml

@@ -162,6 +162,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>grpc-gcp</artifactId>
+      <version>1.6.1</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>

samples/snippets/grpc_java_logging_config.txt

@@ -0,0 +1,3 @@
+handlers = java.util.logging.ConsoleHandler
+java.util.logging.ConsoleHandler.level = ALL
+com.google.cloud.grpc.GcpManagedChannel.level=FINEST

samples/snippets/pom.xml

@@ -42,9 +42,15 @@
   </dependencyManagement>
 
   <dependencies>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>grpc-gcp</artifactId>
+      <version>1.6.1</version>
+    </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner</artifactId>
+      <version>6.69.1-SNAPSHOT</version>
     </dependency>
     <!-- [END spanner_install_with_bom] -->
 

samples/snippets/src/main/java/com/example/spanner/Mux.java

@@ -0,0 +1,45 @@
+package com.example.spanner;
+
+import com.google.cloud.spanner.DatabaseClient;
+import com.google.cloud.spanner.DatabaseId;
+import com.google.cloud.spanner.ResultSet;
+import com.google.cloud.spanner.Spanner;
+import com.google.cloud.spanner.SpannerOptions;
+import com.google.cloud.spanner.Statement;
+import java.math.BigDecimal;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+class Mux {
+  public static void main(String[] args){
+    Logger.getLogger("com.google.cloud.grpc.GcpManagedChannel").setLevel(Level.FINEST);
+    queryWithNumericParameter();
+  }
+
+  static void queryWithNumericParameter() {
+    // TODO(developer): Replace these variables before running the sample.
+    String projectId = "span-cloud-testing";
+    String instanceId = "harsha-test-gcloud";
+    String databaseId = "database1";
+
+    try (Spanner spanner =
+        SpannerOptions.newBuilder().setProjectId(projectId).enableGrpcGcpExtension().build().getService()) {
+      DatabaseClient client =
+          spanner.getDatabaseClient(DatabaseId.of(projectId, instanceId, databaseId));
+      queryWithNumericParameter(client);
+    }
+  }
+
+  static void queryWithNumericParameter(DatabaseClient client) {
+    Statement statement =
+        Statement.newBuilder(
+                "SELECT SingerId, FirstName, LastName FROM Singers")
+            .build();
+    try (ResultSet resultSet = client.singleUse().executeQuery(statement)) {
+      while (resultSet.next()) {
+        System.out.printf(
+            "%d %s %s %n", resultSet.getLong("SingerId"), resultSet.getString("FirstName"), resultSet.getString("LastName"));
+      }
+    }
+  }
+}