feat: Add IO estimation based query mode decider #16696
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… IO is sufficiently high.
fuyufjh
reviewed
May 14, 2024
BugenZhao
reviewed
May 20, 2024
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| let mut decider = ExecutionModeDecider { | ||
| estimated_scan_io_bytes: 0, | ||
| }; |
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Better to make it a method like Decider::new.
| if let Some(table_stat) = reader | ||
| .table_stats() | ||
| .table_stats | ||
| .get(&batch_seq_scan.core().table_catalog.id().table_id()) |
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nit: Is it possible that there are multiple Scan node for the same table? Should we deduplicate them when estimating the scan bytes considering block cache?
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