Fixed CVE-2022-25647 by updating Looker Kotlin SDK jar

- Updated kotlin sdk jar to latest version and uses gson 2.10.1
- Added some documentations on looker SDK.
- Added generated /bin to gitignore

Author: Aryex

.gitignore

@@ -23,3 +23,5 @@ settings.xml
 /target/
 /*/target/
 /shaded/*/target/
+/bin/
+/*/bin/

build.gradle.kts

@@ -200,7 +200,7 @@ allprojects {
         dependencies {
             "implementation"(platform(project(":bom")))
             // Add the locally bundled LookerSDK fat jar
-            "implementation"(files("../libs/looker-kotlin-sdk-a48011f.jar"))
+            "implementation"(files("../libs/looker-kotlin-sdk-100e3c9.jar"))
         }
     }
     if (!skipAutostyle) {

core/src/main/java/org/apache/calcite/avatica/remote/looker/LookerSdkFactory.java

@@ -75,8 +75,11 @@ public static String queryEndpoint(Long id) {
   /**
    * Makes the SDK call and throws any errors as runtime exceptions
    */
+  @SuppressWarnings("deprecation")
   public static <T> T safeSdkCall(LookerSDKCall sdkCall) {
     try {
+      // ok() is deprecated and the suggested Kotlin alternative is not compatible with Java.
+      // We suppress warning to get pass compilation.
       return ok(sdkCall.call());
     } catch (Error e) {
       SDKErrorInfo error = parseSDKError(e.toString());

libs/looker-kotlin-sdk-a48011f.jar libs/looker-kotlin-sdk-100e3c9.jarlibs/looker-kotlin-sdk-a48011f.jar renamed to libs/looker-kotlin-sdk-100e3c9.jar

@@ -37,6 +37,17 @@ to publish it in your `~/.m2/` local repository,
 then enable the local repo in Calcite by un-commenting the line `enableMavenLocal=true`
 in Calcite's `gradle.properties`, and pick the version of Avatica you just built.
 
+### Looker Kotlin SDK
+The driver uses Looker Kotlin SDK to interact with Looker's API. Unfortunately the
+Kotlin SDK in community support mode so no official releases are available through 
+package managers.
+
+We import the SDK using a pre-built fat jar under `libs/` folder. To build the SDK,
+clone the [repo](https://github.com/looker-open-source/sdk-codegen) and follow the instructions.
+Make sure that the fat jar targets Java 8.
+
+The SDK's was built from this [commit](https://github.com/looker-open-source/sdk-codegen/commit/68223e3b4387f985687fbe54ff70e237ae41d266).
+
 ## Release
 
 Release will have a name like `1.21.1-looker` (if the most