Improved stored procedure parameter value type handling during GraphQL schema creation

[seantleonard]

Why make this change?

• Closes Decimal parameters in Stored Procedure mapped to LONG datatype in GraphQL #1221 which describes how the GraphQL schema fields created for stored procedures do not use the proper value types for stored procedure parameters. This issue occurs because the GraphQL schema builder was trying to infer the value type of a parameter default value defined in the runtime configuration. Runtime configuration is not enough to know the target value type for casting. Database metadata is required.

What is this change?

• In the GraphQL query and mutation schema builders, a databaseobject is now referenced for determining the value type for which to cast the runtime configuration defined default parameter value.

How was this tested?

• Integration Tests
• Unit Tests - Unit tests which cover the affected GraphQL schema builder methods

Sample Request(s)

• The example config and SQL scripts from issue Decimal parameters in Stored Procedure mapped to LONG datatype in GraphQL #1221 can be used to confirm locally. The value types of parameters in the database schema are represented as supported graphQL value types.

[aaronburtle]

Looks good to me, thanks for getting this in for March!

[Aniruddh25]

LGTM, thanks for uncovering some new data type issues and adding better tests!