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77b9acc242
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[Stmt] Add rowCount column to SHOW DATA stmt (#3676)
User can see the row count of all materialized indexes of a table.
```
mysql> show data from test;
+-----------+-----------+-----------+--------------+----------+
| TableName | IndexName | Size | ReplicaCount | RowCount |
+-----------+-----------+-----------+--------------+----------+
| test2 | r1 | 10.000MB | 30 | 10000 |
| | r2 | 20.000MB | 30 | 20000 |
| | test2 | 50.000MB | 30 | 50000 |
| | Total | 80.000 | 90 | |
+-----------+-----------+-----------+--------------+----------+
```
Fix #3675
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2020-05-26 15:53:38 +08:00 |
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