Problem in Creating Spanner Graph other than Default Schema

[Pr4sh4nt]

Hi All, 

I am trying to create a graph on tables that is not in default schema. But I am not able to do so. Is this operation not supported or there is any other setting that I need to change?
Simplified DDL-

create schema TestSchema;
CREATE TABLE TestSchema.UsersTest (
    UserID INT64 NOT NULL,
    Name STRING(MAX))
    PRIMARY KEY (UserID);
CREATE TABLE TestSchema.ProductsTest (
    ProductID INT64 NOT NULL,
    ProductName STRING(MAX),)
    PRIMARY KEY (ProductID);
CREATE TABLE TestSchema.UserReviewsProductTest (
    ReviewID INT64 NOT NULL,
    UserID INT64 NOT NULL,
    ProductID INT64 NOT NULL,
    Rating INT64)
    PRIMARY KEY (ReviewID);
CREATE PROPERTY GRAPH `TestSchema`.`MyGraphTest`
NODE TABLES (
    TestSchema.UsersTest,
    TestSchema.ProductsTest
);

gives me following error-

Moreover, If I try to create graph in default schema, it does not recognise tables created in  other label. 

CREATE PROPERTY GRAPH `MyGraphTest`
NODE TABLES (
    TestSchema.UsersTest,
    TestSchema.ProductsTest
);

Can anyone please help me with this.

@mcbsalceda 

[ms4446]

The issue you're encountering stems from a current limitation in the Spanner Graph feature. While Spanner supports named schemas, the CREATE PROPERTY GRAPH statement in Spanner Graph does not support schema-qualified table names. This means that when defining a property graph, you must reference tables without their schema qualifiers.

Workaround:

To utilize the Spanner Graph feature effectively:

1. Define your tables in the default schema (i.e., without specifying a schema name):

   CREATE TABLE UsersTest (
     UserID INT64 NOT NULL,
     Name STRING(MAX)
   ) PRIMARY KEY (UserID);
   

2. Create the property graph without schema qualifiers:

   CREATE PROPERTY GRAPH MyGraphTest
     NODE TABLES (
       UsersTest
     );