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postgres/src/include/commands/cluster.h

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Postgres95 1.01 Distribution - Virgin Sources
30 years ago
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
27 years ago
* cluster.h
Massive commit to run PGINDENT on all *.c and *.h files.
29 years ago
* header file for postgres cluster command stuff
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
Update copyrights to 2003.
23 years ago
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
Add: * Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
26 years ago
* Portions Copyright (c) 1994-5, Regents of the University of California
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
Make ALTER COLUMN TYPE preserve clustered status for indexes it doesn't modify. Also fix a passel of problems with ALTER TABLE CLUSTER ON: failure to check that the index is safe to cluster on (or even belongs to the indicated rel, or even exists), and failure to broadcast a relcache flush event when changing an index's state.
22 years ago
* $PostgreSQL: pgsql/src/include/commands/cluster.h,v 1.22 2004/05/06 16:10:57 tgl Exp $
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
*-------------------------------------------------------------------------
*/
Massive commit to run PGINDENT on all *.c and *.h files.
29 years ago
#ifndef CLUSTER_H
#define CLUSTER_H
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
Code review for CLUSTER ALL patch. Fix bogus locking, incorrect transaction stop/start nesting, other infelicities.
23 years ago
#include "nodes/parsenodes.h"
#include "utils/rel.h"
Another pgindent run. Fixes enum indenting, and improves #endif spacing. Also adds space for one-line comments.
25 years ago
Transaction safe Truncate Rod Taylor
23 years ago
Code review for CLUSTER ALL patch. Fix bogus locking, incorrect transaction stop/start nesting, other infelicities.
23 years ago
extern void cluster(ClusterStmt *stmt);
Make ALTER COLUMN TYPE preserve clustered status for indexes it doesn't modify. Also fix a passel of problems with ALTER TABLE CLUSTER ON: failure to check that the index is safe to cluster on (or even belongs to the indicated rel, or even exists), and failure to broadcast a relcache flush event when changing an index's state.
22 years ago
extern void check_index_is_clusterable(Relation OldHeap, Oid indexOid);
Code review for CLUSTER ALL patch. Fix bogus locking, incorrect transaction stop/start nesting, other infelicities.
23 years ago
extern void rebuild_relation(Relation OldHeap, Oid indexOid);
ALTER TABLE rewrite. New cool stuff: * ALTER ... ADD COLUMN with defaults and NOT NULL constraints works per SQL spec. A default is implemented by rewriting the table with the new value stored in each row. * ALTER COLUMN TYPE. You can change a column's datatype to anything you want, so long as you can specify how to convert the old value. Rewrites the table. (Possible future improvement: optimize no-op conversions such as varchar(N) to varchar(N+1).) * Multiple ALTER actions in a single ALTER TABLE command. You can perform any number of column additions, type changes, and constraint additions with only one pass over the table contents. Basic documentation provided in ALTER TABLE ref page, but some more docs work is needed. Original patch from Rod Taylor, additional work from Tom Lane.
22 years ago
extern Oid make_new_heap(Oid OIDOldHeap, const char *NewName);
Make ALTER COLUMN TYPE preserve clustered status for indexes it doesn't modify. Also fix a passel of problems with ALTER TABLE CLUSTER ON: failure to check that the index is safe to cluster on (or even belongs to the indicated rel, or even exists), and failure to broadcast a relcache flush event when changing an index's state.
22 years ago
extern List *get_indexattr_list(Relation OldHeap, Oid *OldClusterIndex);
extern void rebuild_indexes(Oid OIDOldHeap, List *indexes,
Oid OIDClusterIndex);
ALTER TABLE rewrite. New cool stuff: * ALTER ... ADD COLUMN with defaults and NOT NULL constraints works per SQL spec. A default is implemented by rewriting the table with the new value stored in each row. * ALTER COLUMN TYPE. You can change a column's datatype to anything you want, so long as you can specify how to convert the old value. Rewrites the table. (Possible future improvement: optimize no-op conversions such as varchar(N) to varchar(N+1).) * Multiple ALTER actions in a single ALTER TABLE command. You can perform any number of column additions, type changes, and constraint additions with only one pass over the table contents. Basic documentation provided in ALTER TABLE ref page, but some more docs work is needed. Original patch from Rod Taylor, additional work from Tom Lane.
22 years ago
extern void swap_relfilenodes(Oid r1, Oid r2);
Transaction safe Truncate Rod Taylor
23 years ago
New pgindent run with fixes suggested by Tom. Patch manually reviewed, initdb/regression tests pass.
24 years ago
#endif /* CLUSTER_H */