document materialized views - #210
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ChrisWint
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| - `REFRESH MATERIALIZED VIEW` never blocks readers, as CedarDB uses snapshot isolation. | ||
| `CONCURRENTLY` is accepted as a synonym for a regular refresh, does not require a unique index, and can be combined with `WITH NO DATA`. | ||
| - CedarDB refuses to rename or move a table, view, or materialized view to another schema while a materialized view reads from it. | ||
| - Renaming a column of an underlying table makes the next refresh fail, since the stored query still references the old column name. |
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This should be blocked by dependencies and should not be reachable
ChrisWint
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pfent
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