Method Warmup_AllMetadataCaches()

SQL to warmup all metadata caches.
PostgreSQL: SELECT scheme_id, structures_count, scheme_name FROM warmup_all_metadata_caches()
MSSQL: EXEC warmup_all_metadata_caches (returns same columns)
Returns: scheme_id, structures_count, scheme_name

public string Warmup_AllMetadataCaches()