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Add support for REFRESH MATERIALIZED VIEW CONCURRENTLY.

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This allows reads to continue without any blocking while a REFRESH
runs.  The new data appears atomically as part of transaction
commit.

Review questioned the Assert that a matview was not a system
relation.  This will be addressed separately.

Reviewed by Hitoshi Harada, Robert Haas, Andres Freund.
Merged after review with security patch f3ab5d4.
This commit is contained in:
Kevin Grittner
2013-07-16 12:55:44 -05:00
parent 7f7485a0cd
commit cc1965a99b
16 changed files with 644 additions and 57 deletions
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3
src/include/commands/cluster.h
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@@ -25,7 +25,8 @@ extern void check_index_is_clusterable(Relation OldHeap, Oid indexOid,
bool recheck, LOCKMODE lockmode);
extern void mark_index_clustered(Relation rel, Oid indexOid, bool is_internal);
extern Oid make_new_heap(Oid OIDOldHeap, Oid NewTableSpace);
extern Oid make_new_heap(Oid OIDOldHeap, Oid NewTableSpace, bool forcetemp,
LOCKMODE lockmode);
extern void finish_heap_swap(Oid OIDOldHeap, Oid OIDNewHeap,
bool is_system_catalog,
bool swap_toast_by_content,

2
src/include/commands/matview.h
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@@ -27,4 +27,6 @@ extern void ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString
extern DestReceiver *CreateTransientRelDestReceiver(Oid oid);
extern bool MatViewIncrementalMaintenanceIsEnabled(void);
#endif /* MATVIEW_H */