<title>Common Query Language (CQL)</title>
<para>
The query model of the type-1 RPN,
<title>Common Query Language (CQL)</title>
<para>
The query model of the type-1 RPN,
Zebra can be configured to understand and map CQL to PQF. See
<xref linkend="querymodel-cql-to-pqf"/>.
</para>
Zebra can be configured to understand and map CQL to PQF. See
<xref linkend="querymodel-cql-to-pqf"/>.
</para>
<title>Scan Operation</title>
<para>
The scan operation is a helper functionality,
<title>Scan Operation</title>
<para>
The scan operation is a helper functionality,
spelling of search terms, to auto-fill search boxes, or to
display controlled vocabularies.
</para>
spelling of search terms, to auto-fill search boxes, or to
display controlled vocabularies.
</para>
<title>Prefix Query Format syntax and semantics</title>
<para>
The <ulink url="&url.yaz.pqf;">PQF grammar</ulink>
<title>Prefix Query Format syntax and semantics</title>
<para>
The <ulink url="&url.yaz.pqf;">PQF grammar</ulink>
<title>Boolean operators</title>
<para>
A pair of sub query trees, or of atomic queries, is combined
<title>Boolean operators</title>
<para>
A pair of sub query trees, or of atomic queries, is combined
<title>Atomic queries (APT)</title>
<para>
Atomic queries are the query parts which work on one access point
<title>Atomic queries (APT)</title>
<para>
Atomic queries are the query parts which work on one access point
<title>Named Result Sets</title>
<para>
Named result sets are supported in Zebra, and result sets can be
<title>Named Result Sets</title>
<para>
Named result sets are supported in Zebra, and result sets can be
<title>Zebra's special access point of type 'string'</title>
<para>
The numeric <literal>use (type 1)</literal> attribute is usually
<title>Zebra's special access point of type 'string'</title>
<para>
The numeric <literal>use (type 1)</literal> attribute is usually
possibility to embed <emphasis>life</emphasis>
XPath expressions
in the PQF queries, which are here called
possibility to embed <emphasis>life</emphasis>
XPath expressions
in the PQF queries, which are here called
<title>Explain searches with yaz-client</title>
<para>
Classic Explain only defines retrieval of Explain information
<title>Explain searches with yaz-client</title>
<para>
Classic Explain only defines retrieval of Explain information
<title>Advanced Zebra PQF Features</title>
<para>
The Zebra internal query engine has been extended to specific needs
<title>Advanced Zebra PQF Features</title>
<para>
The Zebra internal query engine has been extended to specific needs
<title>Zebra specific retrieval of all records</title>
<para>
Zebra defines a hardwired <literal>string</literal> index name
<title>Zebra specific retrieval of all records</title>
<para>
Zebra defines a hardwired <literal>string</literal> index name
<title>Zebra specific Search Extensions to all Attribute Sets</title>
<para>
Zebra extends the Bib1 attribute types, and these extensions are
<title>Zebra specific Search Extensions to all Attribute Sets</title>
<para>
Zebra extends the Bib1 attribute types, and these extensions are
<title>Zebra Extension Embedded Sort Attribute (type 7)</title>
<para>
The embedded sort is a way to specify sort within a query - thus
<title>Zebra Extension Embedded Sort Attribute (type 7)</title>
<para>
The embedded sort is a way to specify sort within a query - thus
<title>Zebra Extension Term Set Attribute (type 8)</title>
<para>
The Term Set feature is a facility that allows a search to store
<title>Zebra Extension Term Set Attribute (type 8)</title>
<para>
The Term Set feature is a facility that allows a search to store
The model has one serious flaw: we don't know the size of term
set. Experimental. Do not use in production code.
</warning>
The model has one serious flaw: we don't know the size of term
set. Experimental. Do not use in production code.
</warning>
<title>Zebra Extension Rank Weight Attribute (type 9)</title>
<para>
Rank weight is a way to pass a value to a ranking algorithm - so
<title>Zebra Extension Rank Weight Attribute (type 9)</title>
<para>
Rank weight is a way to pass a value to a ranking algorithm - so
<title>Zebra Extension Approximative Limit Attribute (type 11)</title>
<para>
Zebra computes - unless otherwise configured -
<title>Zebra Extension Approximative Limit Attribute (type 11)</title>
<para>
Zebra computes - unless otherwise configured -
<title>Zebra Extension Term Reference Attribute (type 10)</title>
<para>
Zebra supports the searchResult-1 facility.
<title>Zebra Extension Term Reference Attribute (type 10)</title>
<para>
Zebra supports the searchResult-1 facility.
<title>Zebra specific Scan Extensions to all Attribute Sets</title>
<para>
Zebra extends the Bib1 attribute types, and these extensions are
<title>Zebra specific Scan Extensions to all Attribute Sets</title>
<para>
Zebra extends the Bib1 attribute types, and these extensions are
<title>Zebra Extension Approximative Limit (type 11)</title>
<para>
The Zebra Extension Approximative Limit (type 11) is a way to
<title>Zebra Extension Approximative Limit (type 11)</title>
<para>
The Zebra Extension Approximative Limit (type 11) is a way to
<title>Zebra special IDXPATH Attribute Set for GRS indexing</title>
<para>
The attribute-set <literal>idxpath</literal> consists of a single
<title>Zebra special IDXPATH Attribute Set for GRS indexing</title>
<para>
The attribute-set <literal>idxpath</literal> consists of a single
<title>IDXPATH Use Attributes (type = 1)</title>
<para>
This attribute set allows one to search GRS filter indexed
<title>IDXPATH Use Attributes (type = 1)</title>
<para>
This attribute set allows one to search GRS filter indexed
<title>Mapping of PQF APT access points</title>
<para>
Zebra understands four fundamental different types of access
<title>Mapping of PQF APT access points</title>
<para>
Zebra understands four fundamental different types of access