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Provide a parenthesized-options syntax for VACUUM, analogous to that recently

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adopted for EXPLAIN.  This will allow additional options to be implemented
in future without having to make them fully-reserved keywords.  The old syntax
remains available for existing options, however.

Itagaki Takahiro
This commit is contained in:
Tom Lane
2009-11-16 21:32:07 +00:00
parent 49ed392cd8
commit 5e66a51c2e
13 changed files with 146 additions and 74 deletions
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21
src/include/nodes/parsenodes.h
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@@ -13,7 +13,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.414 2009/11/13 23:44:19 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.415 2009/11/16 21:32:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2209,16 +2209,25 @@ typedef struct ClusterStmt
* Vacuum and Analyze Statements
*
* Even though these are nominally two statements, it's convenient to use
* just one node type for both.
* just one node type for both. Note that at least one of VACOPT_VACUUM
* and VACOPT_ANALYZE must be set in options. VACOPT_FREEZE is an internal
* convenience for the grammar and is not examined at runtime --- the
* freeze_min_age and freeze_table_age fields are what matter.
* ----------------------
*/
typedef enum VacuumOption
{
VACOPT_VACUUM = 1 << 0, /* do VACUUM */
VACOPT_ANALYZE = 1 << 1, /* do ANALYZE */
VACOPT_VERBOSE = 1 << 2, /* print progress info */
VACOPT_FREEZE = 1 << 3, /* FREEZE option */
VACOPT_FULL = 1 << 4 /* FULL (non-concurrent) vacuum */
} VacuumOption;
typedef struct VacuumStmt
{
NodeTag type;
bool vacuum; /* do VACUUM step */
bool full; /* do FULL (non-concurrent) vacuum */
bool analyze; /* do ANALYZE step */
bool verbose; /* print progress info */
int options; /* OR of VacuumOption flags */
int freeze_min_age; /* min freeze age, or -1 to use default */
int freeze_table_age; /* age at which to scan whole table */
RangeVar *relation; /* single table to process, or NULL */