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Support unlogged tables.

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The contents of an unlogged table are WAL-logged; thus, they are not
available on standby servers and are truncated whenever the database
system enters recovery.  Indexes on unlogged tables are also unlogged.
Unlogged GiST indexes are not currently supported.
This commit is contained in:
Robert Haas
2010-12-29 06:48:53 -05:00
parent 9b8aff8c19
commit 53dbc27c62
49 changed files with 916 additions and 104 deletions
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11
src/backend/parser/gram.y
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@@ -538,8 +538,8 @@ static RangeVar *makeRangeVarFromAnyName(List *names, int position, core_yyscan_
TO TRAILING TRANSACTION TREAT TRIGGER TRIM TRUE_P
TRUNCATE TRUSTED TYPE_P
UNBOUNDED UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNTIL
UPDATE USER USING
UNBOUNDED UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNLOGGED
UNTIL UPDATE USER USING
VACUUM VALID VALIDATOR VALUE_P VALUES VARCHAR VARIADIC VARYING
VERBOSE VERSION_P VIEW VOLATILE
@@ -2365,6 +2365,7 @@ OptTemp: TEMPORARY { $$ = RELPERSISTENCE_TEMP; }
| LOCAL TEMP { $$ = RELPERSISTENCE_TEMP; }
| GLOBAL TEMPORARY { $$ = RELPERSISTENCE_TEMP; }
| GLOBAL TEMP { $$ = RELPERSISTENCE_TEMP; }
| UNLOGGED { $$ = RELPERSISTENCE_UNLOGGED; }
| /*EMPTY*/ { $$ = RELPERSISTENCE_PERMANENT; }
;
@@ -7927,6 +7928,11 @@ OptTempTableName:
$$ = $4;
$$->relpersistence = RELPERSISTENCE_TEMP;
}
| UNLOGGED opt_table qualified_name
{
$$ = $3;
$$->relpersistence = RELPERSISTENCE_UNLOGGED;
}
| TABLE qualified_name
{
$$ = $2;
@@ -11395,6 +11401,7 @@ unreserved_keyword:
| UNENCRYPTED
| UNKNOWN
| UNLISTEN
| UNLOGGED
| UNTIL
| UPDATE
| VACUUM