Added script to build compound pk table.

Author: dames

appveyor.yml

@@ -34,6 +34,7 @@ build_script:
   #Setup the source MSSQL database
   - sqlcmd -b -E -S "(local)\SQL2016" -i .\integration_tests\mssql_source\source_database_setup\create_database.sql
   - sqlcmd -b -E -f 65001 -S "(local)\SQL2016" -d RelationalDataLoaderIntegrationTestSource -i .\integration_tests\mssql_source\source_database_setup\create_large_table.sql
+  - sqlcmd -b -E -f 65001 -S "(local)\SQL2016" -d RelationalDataLoaderIntegrationTestSource -i .\integration_tests\mssql_source\source_database_setup\create_compound_pk.sql
 
   #Setup the target PostgreSQL database
   - psql -c "SELECT VERSION()"