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Doc: Refer to line pointers as item identifiers.
author Peter Geoghegan <pg@bowt.ie>
2019年5月13日 22:39:06 +0000 (15:39 -0700)
committer Peter Geoghegan <pg@bowt.ie>
2019年5月13日 22:39:06 +0000 (15:39 -0700)
An upcoming HEAD-only patch will standardize the terminology around
ItemIdData variables/line pointers, ending the practice of referring to
them as "item pointers". Make the "Database Page Layout" docs
consistent with the new policy. The term "item identifier" is already
used in the same section, so stick with that.

Discussion: https://postgr.es/m/CAH2-Wz=c=MZQjUzde3o9+2PLAPuHTpVZPPdYxN=E4ndQ2--8ew@mail.gmail.com
Backpatch: All supported branches.

doc/src/sgml/storage.sgml patch | blob | blame | history

diff --git a/doc/src/sgml/storage.sgml b/doc/src/sgml/storage.sgml
index 4285b0a157df8d0f707a68c35ca5a18f0b3bd014..c4bac87e80e94dbc364a0460f4ae8601276d7f70 100644 (file)
--- a/doc/src/sgml/storage.sgml
+++ b/doc/src/sgml/storage.sgml
@@ -759,14 +759,14 @@ free space pointers.</entry>
<row>
<entry>ItemIdData</entry>
-<entry>Array of (offset,length) pairs pointing to the actual items.
-4 bytes per item.</entry>
+<entry>Array of item identifiers pointing to the actual items. Each
+entry is an (offset,length) pair. 4 bytes per item.</entry>
</row>
<row>
<entry>Free space</entry>
-<entry>The unallocated space. New item pointers are allocated from the start
-of this area, new items from the end.</entry>
+<entry>The unallocated space. New item identifiers are allocated from
+the start of this area, new items from the end.</entry>
</row>
<row>
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