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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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1
src/backend/nodes/copyfuncs.c
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@@ -3241,6 +3241,7 @@ _copyRefreshMatViewStmt(const RefreshMatViewStmt *from)
{
RefreshMatViewStmt *newnode = makeNode(RefreshMatViewStmt);
COPY_SCALAR_FIELD(concurrent);
COPY_SCALAR_FIELD(skipData);
COPY_NODE_FIELD(relation);

1
src/backend/nodes/equalfuncs.c
View File

@@ -1521,6 +1521,7 @@ _equalCreateTableAsStmt(const CreateTableAsStmt *a, const CreateTableAsStmt *b)
static bool
_equalRefreshMatViewStmt(const RefreshMatViewStmt *a, const RefreshMatViewStmt *b)
{
COMPARE_SCALAR_FIELD(concurrent);
COMPARE_SCALAR_FIELD(skipData);
COMPARE_NODE_FIELD(relation);