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pageinspect/BRIN: minor tweaks 

Michael Paquier

Double-dash additions suggested by Peter Geoghegan
This commit is contained in:
Alvaro Herrera 2014-12-02 12:20:50 -03:00
parent 3325624377
commit b52cb4690e
3 changed files with 8 additions and 6 deletions
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1
contrib/pageinspect/pageinspect--1.2--1.3.sql
View File

@ -21,6 +21,7 @@ LANGUAGE C STRICT;
--
-- brin_revmap_data()
--
CREATE FUNCTION brin_revmap_data(IN page bytea,
OUT pages tid)
RETURNS SETOF tid

1
contrib/pageinspect/pageinspect--1.3.sql
View File

@ -116,6 +116,7 @@ LANGUAGE C STRICT;
--
-- brin_revmap_data()
--
CREATE FUNCTION brin_revmap_data(IN page bytea,
OUT pages tid)
RETURNS SETOF tid

12
doc/src/sgml/pageinspect.sgml
View File

@ -210,7 +210,7 @@ test=# SELECT * FROM bt_page_items('pg_cast_oid_index', 1);
<acronym>BRIN</acronym> index page, or throws an error if the page is
not a valid <acronym>BRIN</acronym> page. For example:
<screen>
brintest=# select brin_page_type(get_raw_page('brinidx', 0));
test=# SELECT brin_page_type(get_raw_page('brinidx', 0));
brin_page_type
----------------
meta
@ -232,7 +232,7 @@ brintest=# select brin_page_type(get_raw_page('brinidx', 0));
<function>brin_metapage_info</function> returns assorted information
about a <acronym>BRIN</acronym> index metapage. For example:
<screen>
brintest=# select * from brin_metapage_info(get_raw_page('brinidx', 0));
test=# SELECT * FROM brin_metapage_info(get_raw_page('brinidx', 0));
magic | version | pagesperrange | lastrevmappage
------------+---------+---------------+----------------
0xA8109CFA | 1 | 4 | 2
@ -255,7 +255,7 @@ brintest=# select * from brin_metapage_info(get_raw_page('brinidx', 0));
identifiers in a <acronym>BRIN</acronym> index range map page.
For example:
<screen>
brintest=# select * from brin_revmap_data(get_raw_page('brinidx', 2)) limit 5;
test=# SELECT * FROM brin_revmap_data(get_raw_page('brinidx', 2)) limit 5;
pages
---------
(6,137)
@ -281,9 +281,9 @@ brintest=# select * from brin_revmap_data(get_raw_page('brinidx', 2)) limit 5;
<function>brin_page_items</function> returns the data stored in the
<acronym>BRIN</acronym> data page. For example:
<screen>
brintest=# select * from brin_page_items(get_raw_page('brinidx', 5),
brintest(# 'brinidx')
brintest-# order by blknum, attnum limit 6;
test=# SELECT * FROM brin_page_items(get_raw_page('brinidx', 5),
'brinidx')
ORDER BY blknum, attnum LIMIT 6;
itemoffset | blknum | attnum | allnulls | hasnulls | placeholder | value
------------+--------+--------+----------+----------+-------------+--------------
137 | 0 | 1 | t | f | f |