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Allow multiple tables to be specified in one VACUUM or ANALYZE command.

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Not much to say about this; does what it says on the tin.

However, formerly, if there was a column list then the ANALYZE action was
implied; now it must be specified, or you get an error.  This is because
it would otherwise be a bit unclear what the user meant if some tables
have column lists and some don't.

Nathan Bossart, reviewed by Michael Paquier and Masahiko Sawada, with some
editorialization by me

Discussion: https://postgr.es/m/E061A8E3-5E3D-494D-94F0-E8A9B312BBFC@amazon.com
This commit is contained in:
Tom Lane
2017-10-03 18:53:44 -04:00
parent 45f9d08684
commit 11d8d72c27
14 changed files with 329 additions and 159 deletions
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22
src/include/nodes/parsenodes.h
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@@ -1778,8 +1778,8 @@ typedef struct AlterTableCmd /* one subcommand of an ALTER TABLE */
AlterTableType subtype; /* Type of table alteration to apply */
char *name; /* column, constraint, or trigger to act on,
* or tablespace */
int16 num; /* attribute number for columns referenced
* by number */
int16 num; /* attribute number for columns referenced by
* number */
RoleSpec *newowner;
Node *def; /* definition of new column, index,
* constraint, or parent table */
@@ -3098,12 +3098,26 @@ typedef enum VacuumOption
VACOPT_DISABLE_PAGE_SKIPPING = 1 << 7 /* don't skip any pages */
} VacuumOption;
/*
* Info about a single target table of VACUUM/ANALYZE.
*
* If the OID field is set, it always identifies the table to process.
* Then the relation field can be NULL; if it isn't, it's used only to report
* failure to open/lock the relation.
*/
typedef struct VacuumRelation
{
NodeTag type;
RangeVar *relation; /* table name to process, or NULL */
Oid oid; /* table's OID; InvalidOid if not looked up */
List *va_cols; /* list of column names, or NIL for all */
} VacuumRelation;
typedef struct VacuumStmt
{
NodeTag type;
int options; /* OR of VacuumOption flags */
RangeVar *relation; /* single table to process, or NULL */
List *va_cols; /* list of column names, or NIL for all */
List *rels; /* list of VacuumRelation, or NIL for all */
} VacuumStmt;
/* ----------------------