Column Name | Type | Description |
query_id | bigint | Unique identifier of a query within a session, ascending |
op_id | integer | Identifier of a relational operator within a query tree, pre-order, starting with 0 |
table | varchar(32) | Scanned table name |
columns | varchar(64) | Scanned column name |
async_fetch | bigint | Number asynchronous block requests generated by the scan |
async_miss | bigint | Number of asynchronous requests for blocks not found in the cache |
sync_fetch | bigint | Number of synchronous block requests generated by the scan |
sync_miss | bigint | Number of synchronous requests for blocks not found in the cache |