oid
|
oid
|
Row identifier (hidden attribute, which must be specified)
|
matviewid
|
oid
|
OID of a materialized view
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mapid
|
oid
|
OID of a map table associated with a materialized view. Each map table corresponds to one materialized view. If a complete-refresh materialized view does not correspond to a map table, the value of this column is 0.
|
ivm
|
boolean
|
Type of a materialized view. The value t indicates a fast-refresh materialized view, and the value f indicates a complete-refresh materialized view.
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needrefresh
|
boolean
|
Reserved column
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refreshtime
|
timestamp
|
Last time when a materialized view was refreshed. If the materialized view is not refreshed, the value is null. This column is maintained only for fast-refresh materialized views. For complete-refresh materialized views, the value is null.
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