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