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Oct 15, 2025
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Added EXPLAIN FORMAT="cost_trace" #21898

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Added EXPLAIN FORMAT="cost_trace"
mjonss Oct 13, 2025
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hfxsd Oct 14, 2025
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1 change: 1 addition & 0 deletions sql-statements/sql-statement-explain.md
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Expand Up @@ -202,6 +202,7 @@ To specify the format of the `EXPLAIN` output, you can use the `FORMAT = xxx` sy
| `tidb_json` | The `EXPLAIN` statement outputs execution plans in JSON and stores the operator information in a JSON array. |
| `verbose` | The `EXPLAIN` statement outputs results in the `row` format, with an additional `estCost` column for the estimated cost of the query in the results. For more information about how to use this format, see [SQL Plan Management](/sql-plan-management.md). |
| `plan_cache` | The `EXPLAIN` statement outputs results in the `row` format, with the [Plan Cache](/sql-non-prepared-plan-cache.md#diagnostics) information as a warning. |
| `cost_trace` | The `EXPLAIN` statement outputs results in an extended `row` format, with two additional columns: `estCost` for the estimated cost and `costFormula` for the cost formula. |

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