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Update documentation for tsvector duplicate elimination:

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!      Duplicate positions for the same lexeme are discarded.
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Bruce Momjian
2008-01-12 21:51:36 +00:00
parent 1bbf8706ae
commit 9f2a20b66d
1 changed files with 2 additions and 2 deletions
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doc/src/sgml/datatype.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.222 2008/01/02 19:53:13 mha Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/datatype.sgml,v 1.223 2008/01/12 21:51:36 momjian Exp $ -->
<chapter id="datatype"> <chapter id="datatype">
<title id="datatype-title">Data Types</title> <title id="datatype-title">Data Types</title>
@@ -3330,7 +3330,7 @@ SELECT 'a:1 fat:2 cat:3 sat:4 on:5 a:6 mat:7 and:8 ate:9 a:10 fat:11 rat:12'::ts
document. Positional information can be used for document. Positional information can be used for
<firstterm>proximity ranking</firstterm>. Position values can <firstterm>proximity ranking</firstterm>. Position values can
range from 1 to 16383; larger numbers are silently clamped to 16383. range from 1 to 16383; larger numbers are silently clamped to 16383.
Duplicate position entries are discarded. Duplicate positions for the same lexeme are discarded.
</para> </para>
<para> <para>