diff options
Diffstat (limited to 'doc/src/sgml/spgist.sgml')
| -rw-r--r-- | doc/src/sgml/spgist.sgml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/src/sgml/spgist.sgml b/doc/src/sgml/spgist.sgml index fd312cf4368..cec40b8172a 100644 --- a/doc/src/sgml/spgist.sgml +++ b/doc/src/sgml/spgist.sgml @@ -102,12 +102,12 @@ <note> <para> - The <acronym>SP-GiST</acronym> core code takes care of NULL entries. + The <acronym>SP-GiST</acronym> core code takes care of null entries. Although <acronym>SP-GiST</acronym> indexes do store entries for nulls in indexed columns, this is hidden from the index operator class code: no null index entries or search conditions will ever be passed to the operator class methods. (It is assumed that <acronym>SP-GiST</acronym> - operators are strict and so cannot succeed for NULL values.) NULLs + operators are strict and so cannot succeed for null values.) Null values are therefore not discussed further here. </para> </note> @@ -136,7 +136,7 @@ <listitem> <para> Returns static information about the index implementation, including - the datatype OIDs of the prefix and node label data types. + the data type OIDs of the prefix and node label data types. </para> <para> The <acronym>SQL</> declaration of the function must look like this: @@ -163,7 +163,7 @@ typedef struct spgConfigOut </programlisting> <structfield>attType</> is passed in order to support polymorphic - index operator classes; for ordinary fixed-data-type opclasses, it + index operator classes; for ordinary fixed-data-type operator classes, it will always have the same value and so can be ignored. </para> @@ -626,7 +626,7 @@ typedef struct spgLeafConsistentOut <para> This section covers implementation details and other tricks that are - useful for implementors of <acronym>SP-GiST</acronym> operator classes to + useful for implementers of <acronym>SP-GiST</acronym> operator classes to know. </para> |