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<h1 class="nopad">Table of Contents</h1>
<div style="margin-left: 1em;" class="toc-section">
<a href="#toc0">Overview</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog/build-work-plan">build-work-plan</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog/run-work-plan">run-work-plan</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.database">datalog.database</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/add-index">add-index</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/add-relation">add-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/add-tuple">add-tuple</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/add-tuples">add-tuples</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/any-match?">any-match?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/database-counts">database-counts</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/database-merge">database-merge</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/database-merge-parallel">database-merge-parallel</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/datalog-relation">datalog-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/ensure-relation">ensure-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/get-relation">get-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/make-database">make-database</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/merge-relations">merge-relations</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/remove-tuple">remove-tuple</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/replace-relation">replace-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.database/select">select</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.literals">datalog.literals</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/adorned-literal">adorned-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/build-atom">build-atom</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/build-literal">build-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/build-seed-bindings">build-seed-bindings</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/delta-literal">delta-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/display-literal">display-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/get-adorned-bindings">get-adorned-bindings</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/get-base-predicate">get-base-predicate</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/get-cs-from-vs">get-cs-from-vs</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/get-self-bound-cs">get-self-bound-cs</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/get-vs-from-cs">get-vs-from-cs</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/join-literal">join-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/literal-appropriate?">literal-appropriate?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/literal-columns">literal-columns</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/literal-magic?">literal-magic?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/literal-predicate">literal-predicate</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/literal-vars">literal-vars</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/magic-literal">magic-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/negated-literal">negated-literal</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/negated?">negated?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/negative-vars">negative-vars</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/positive-vars">positive-vars</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/positive?">positive?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.literals/project-literal">project-literal</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.magic">datalog.magic</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/adorn-query">adorn-query</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/adorn-rules-set">adorn-rules-set</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/build-partial-tuple">build-partial-tuple</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/magic-transform">magic-transform</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/seed-predicate-for-insertion">seed-predicate-for-insertion</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/seed-relation">seed-relation</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.magic/seed-rule">seed-rule</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.rules">datalog.rules</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/<-"><-</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/?-">?-</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/all-predicates">all-predicates</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/apply-rule">apply-rule</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/compute-sip">compute-sip</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/display-query">display-query</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/display-rule">display-rule</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/is-safe?">is-safe?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/make-rules-set">make-rules-set</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/non-base-rules">non-base-rules</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/predicate-map">predicate-map</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/return-rule-data">return-rule-data</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.rules/rules-set">rules-set</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.softstrat">datalog.softstrat</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.softstrat/build-soft-strat-work-plan">build-soft-strat-work-plan</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.softstrat/get-all-relations">get-all-relations</a>
</div>
<br />
</div><div style="margin-left: 1em;" class="toc-section">
<a href="#datalog.util">datalog.util</a>
<div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/is-query-var?">is-query-var?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/is-var?">is-var?</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/keys-to-vals">keys-to-vals</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/map-values">map-values</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/preduce">preduce</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/reverse-map">reverse-map</a>
</div><div style="margin-left: 1em;" class="toc-entry">
<a href="#clojure.contrib.datalog.util/trace-datalog">trace-datalog</a>
</div>
<br />
</div>
</div>
</div>
<div id="content-tag"><h1 id="overview">API for <span id="namespace-name">datalog</span>
- <span id="header-project">clojure-contrib</span> <span id="header-version">v1.2</span> (<span id="header-status">beta 1</span>)
</h1>
<span id="author-line">by <span id="author-name">Jeffrey Straszheim</span><br /></span>
<br />Usage:
<pre>
(ns your-namespace
(:require <span id="long-name">clojure.contrib.datalog</span>))
</pre><pre>
</pre><h2>Overview</h2>
<pre id="namespace-docstr">A Clojure implementation of Datalog</pre>
<br />
<span id="external-doc">Related documentation:
<span id="external-doc-link">
<br /><a href="doc/datalog.html">An Overview of Datalog</a>
<br /></span><br />
</span><h2>Public Variables and Functions</h2>
<div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.datalog/build-work-plan">build-work-plan</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (build-work-plan rules query)
</pre>
<pre id="var-docstr">Given a list of rules and a query, build a work plan that can be
used to execute the query.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog.clj#L46" id="var-source">Source</a>
</div><div id="var-entry">
<br />
<hr />
<h2 id="clojure.contrib.datalog/run-work-plan">run-work-plan</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (run-work-plan work-plan database query-bindings)
</pre>
<pre id="var-docstr">Given a work plan, a database, and some query bindings, run the
work plan and return the results.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog.clj#L56" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.database</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/add-index">add-index</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (add-index db name key)
</pre>
<pre id="var-docstr">Adds an index to an empty relation named name</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L86" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/add-relation">add-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (add-relation db name keys)
</pre>
<pre id="var-docstr">Adds a relation to the database</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L81" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/add-tuple">add-tuple</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (add-tuple db rel-name tuple)
(add-tuple rel tuple)
</pre>
<pre id="var-docstr">Two forms:
[db relation-name tuple] adds tuple to the named relation. Returns
the new database.
[rel tuple] adds to the relation object. Returns the new relation.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L172" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/add-tuples">add-tuples</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (add-tuples db & tupls)
</pre>
<pre id="var-docstr">Adds a collection of tuples to the db, as
(add-tuples db
[:rel-name :key-1 1 :key-2 2]
[:rel-name :key-1 2 :key-2 3])</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L207" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/any-match?">any-match?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (any-match? db rn pt)
</pre>
<pre id="var-docstr">Finds if there are any matching records for the partial tuple</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L253" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/database-counts">database-counts</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (database-counts db)
</pre>
<pre id="var-docstr">Returns a map with the count of elements in each relation.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L144" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/database-merge">database-merge</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (database-merge dbs)
</pre>
<pre id="var-docstr">Merges databases together</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L277" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/database-merge-parallel">database-merge-parallel</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (database-merge-parallel dbs)
</pre>
<pre id="var-docstr">Merges databases together in parallel</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L282" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/datalog-relation">datalog-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (datalog-relation schema data indexes)
</pre>
<pre id="var-docstr">Creates a relation</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L76" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/ensure-relation">ensure-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (ensure-relation db name keys indexes)
</pre>
<pre id="var-docstr">If the database lacks the named relation, add it</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L96" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/get-relation">get-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (get-relation db rel-name)
</pre>
<pre id="var-docstr">Get a relation object by name</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L130" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/make-database">make-database</h2>
<span id="var-type">macro</span><br />
<pre id="var-usage">Usage: (make-database & commands)
</pre>
<pre id="var-docstr">Makes a database, like this
(make-database
(relation :fred [:mary :sue])
(index :fred :mary)
(relation :sally [:jen :becky])
(index :sally :jen)
(index :sally :becky))</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L109" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/merge-relations">merge-relations</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (merge-relations r1 r2)
</pre>
<pre id="var-docstr">Merges two relations</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L267" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/remove-tuple">remove-tuple</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (remove-tuple db rel-name tuple)
(remove-tuple rel tuple)
</pre>
<pre id="var-docstr">Two forms:
[db relation-name tuple] removes the tuple from the named relation,
returns a new database.
[rel tuple] removes the tuple from the relation. Returns the new
relation.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L190" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/replace-relation">replace-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (replace-relation db rel-name rel)
</pre>
<pre id="var-docstr">Add or replace a fully constructed relation object to the database.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L135" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.database/select">select</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (select db rn pt)
</pre>
<pre id="var-docstr">finds all matching tuples to the partial tuple (pt) in the relation named (rn)</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/database.clj#L248" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.literals</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/adorned-literal">adorned-literal</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">When passed a set of bound columns, returns the adorned literal</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L253" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/build-atom">build-atom</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (build-atom f type)
</pre>
<pre id="var-docstr">Returns an unevaluated expression (to be used in a macro) of an
atom.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L132" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/build-literal">build-literal</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">(Returns an unevaluated expression (to be used in macros) of a
literal.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L127" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/build-seed-bindings">build-seed-bindings</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (build-seed-bindings s)
</pre>
<pre id="var-docstr">Given a seed literal, already adorned and in magic form, convert
its bound constants to new variables.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L302" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/delta-literal">delta-literal</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (delta-literal l)
</pre>
<pre id="var-docstr">Given a literal l, return a delta version</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L319" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/display-literal">display-literal</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Converts a struct representing a literal to a normal list</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L163" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/get-adorned-bindings">get-adorned-bindings</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (get-adorned-bindings pred)
</pre>
<pre id="var-docstr">Get the bindings from this adorned literal.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L270" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/get-base-predicate">get-base-predicate</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (get-base-predicate pred)
</pre>
<pre id="var-docstr">Get the base predicate from this predicate.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L275" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/get-cs-from-vs">get-cs-from-vs</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">From a set of vars, get the columns</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L201" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/get-self-bound-cs">get-self-bound-cs</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Get the columns that are bound withing the literal.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L218" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/get-vs-from-cs">get-vs-from-cs</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">From a set of columns, return the vars</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L186" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/join-literal">join-literal</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Given a database (db), a literal (lit) and a seq of bindings (bs),
return a new seq of bindings by joining this literal.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L360" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/literal-appropriate?">literal-appropriate?</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">When passed a set of bound vars, determines if this literal can be
used during this point of a SIP computation.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L235" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/literal-columns">literal-columns</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Return the column names this applies to</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L47" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/literal-magic?">literal-magic?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (literal-magic? lit)
</pre>
<pre id="var-docstr">Is this literal magic?</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L295" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/literal-predicate">literal-predicate</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Return the predicate/relation this conditional operates over</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L43" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/literal-vars">literal-vars</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Returns the logic vars used by this literal</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L51" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/magic-literal">magic-literal</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (magic-literal l)
</pre>
<pre id="var-docstr">Create a magic version of this adorned predicate.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L285" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/negated-literal">negated-literal</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (negated-literal l)
</pre>
<pre id="var-docstr">Given a literal l, return a negated version</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L313" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/negated?">negated?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (negated? l)
</pre>
<pre id="var-docstr">Is this literal a negated literal?</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L111" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/negative-vars">negative-vars</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Returns the logic vars used in a negative position</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L59" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/positive-vars">positive-vars</h2>
<span id="var-type">multimethod</span><br />
<pre id="var-usage">No usage documentation available</pre>
<pre id="var-docstr">Returns the logic vars used in a positive position</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L55" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/positive?">positive?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (positive? l)
</pre>
<pre id="var-docstr">Is this a positive literal?</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L116" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.literals/project-literal">project-literal</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (project-literal db lit bs)
(project-literal db lit bs var?)
</pre>
<pre id="var-docstr">Project a stream of bindings onto a literal/relation. Returns a new
db.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/78ee9b3e64c5ac6082fb223fc79292175e8e4f0c/src/main/clojure/clojure/contrib/datalog/literals.clj#L392" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.magic</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/adorn-query">adorn-query</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (adorn-query q)
</pre>
<pre id="var-docstr">Adorn a query</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L26" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/adorn-rules-set">adorn-rules-set</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (adorn-rules-set rs q)
</pre>
<pre id="var-docstr">Adorns the given rules-set for the given query. (rs) is a
rules-set, (q) is an adorned query.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L31" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/build-partial-tuple">build-partial-tuple</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (build-partial-tuple q bindings)
</pre>
<pre id="var-docstr">Given a query and a set of bindings, build a partial tuple needed
to extract the relation from the database.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L78" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/magic-transform">magic-transform</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (magic-transform rs)
(magic-transform rs i-preds)
</pre>
<pre id="var-docstr">Return a magic transformation of an adorned rules-set (rs). The
(i-preds) are the predicates of the intension database. These
default to the predicates within the rules-set.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L98" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/seed-predicate-for-insertion">seed-predicate-for-insertion</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (seed-predicate-for-insertion q)
</pre>
<pre id="var-docstr">Given a query, return the predicate to use for database insertion.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L90" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/seed-relation">seed-relation</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (seed-relation q)
</pre>
<pre id="var-docstr">Given a magic form of a query, give back the literal form of its seed
relation</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L63" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.magic/seed-rule">seed-rule</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (seed-rule q)
</pre>
<pre id="var-docstr">Given an adorned query, give back its seed rule</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/2ede388a9267d175bfaa7781ee9d57532eb4f20f/src/main/clojure/clojure/contrib/datalog/magic.clj#L71" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.rules</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/<-"><-</h2>
<span id="var-type">macro</span><br />
<pre id="var-usage">Usage: (<- hd & body)
</pre>
<pre id="var-docstr">Build a datalog rule. Like this:
(<- (:head :x ?x :y ?y) (:body-1 :x ?x :y ?y) (:body-2 :z ?z) (not! :body-3 :x ?x) (if > ?y ?z))</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L67" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/?-">?-</h2>
<span id="var-type">macro</span><br />
<pre id="var-usage">Usage: (?- & q)
</pre>
<pre id="var-docstr">Define a datalog query</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L85" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/all-predicates">all-predicates</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (all-predicates rs)
</pre>
<pre id="var-docstr">Given a rules-set, return all defined predicates</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L162" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/apply-rule">apply-rule</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (apply-rule db rule)
(apply-rule db-1 db-2 rule)
</pre>
<pre id="var-docstr">Apply the rule against db-1, adding the results to the appropriate
relation in db-2. The relation will be created if needed.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L183" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/compute-sip">compute-sip</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (compute-sip bindings i-preds rule)
</pre>
<pre id="var-docstr">Given a set of bound column names, return an adorned sip for this
rule. A set of intensional predicates should be provided to
determine what should be adorned.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L99" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/display-query">display-query</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (display-query query)
</pre>
<pre id="var-docstr">Return a query in a readable format.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L38" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/display-rule">display-rule</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (display-rule rule)
</pre>
<pre id="var-docstr">Return the rule in a readable format.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L31" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/is-safe?">is-safe?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (is-safe? rule)
</pre>
<pre id="var-docstr">Is the rule safe according to the datalog protocol?</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L46" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/make-rules-set">make-rules-set</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (make-rules-set rs)
</pre>
<pre id="var-docstr">Given an existing set of rules, make it a 'rules-set' for
printing.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L128" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/non-base-rules">non-base-rules</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (non-base-rules rs)
</pre>
<pre id="var-docstr">Return a collection of rules that depend, somehow, on other rules</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L167" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/predicate-map">predicate-map</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (predicate-map rs)
</pre>
<pre id="var-docstr">Given a rules-set, return a map of rules keyed by their predicates.
Each value will be a set of rules.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L152" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/return-rule-data">return-rule-data</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (return-rule-data rule)
</pre>
<pre id="var-docstr">Returns an untypted rule that will be fully printed</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L80" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.rules/rules-set">rules-set</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (rules-set & rules)
</pre>
<pre id="var-docstr">Given a collection of rules return a rules set</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/b8d2743d3a89e13fc9deb2844ca2167b34aaa9b6/src/main/clojure/clojure/contrib/datalog/rules.clj#L136" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.softstrat</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.softstrat/build-soft-strat-work-plan">build-soft-strat-work-plan</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (build-soft-strat-work-plan rs q)
</pre>
<pre id="var-docstr">Return a work plan for the given rules-set and query</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/softstrat.clj#L115" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.softstrat/get-all-relations">get-all-relations</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (get-all-relations ws)
</pre>
<pre id="var-docstr">Return a set of all relation names defined in this workplan</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/softstrat.clj#L121" id="var-source">Source</a>
</div>
<h2 id="namespace-name">datalog.util</h2>
<pre id="namespace-docstr"></pre>
<br />
<div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/is-query-var?">is-query-var?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (is-query-var? sym)
</pre>
<pre id="var-docstr">Is this a query variable: e.g. a symbol prefixed with ??</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L33" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/is-var?">is-var?</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (is-var? sym)
</pre>
<pre id="var-docstr">Is this a logic variable: e.g. a symbol prefixed with a ?</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L25" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/keys-to-vals">keys-to-vals</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (keys-to-vals m ks)
</pre>
<pre id="var-docstr">Given a map and a collection of keys, return the collection of vals</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L49" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/map-values">map-values</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (map-values f hash)
</pre>
<pre id="var-docstr">Like map, but works over the values of a hash map</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L41" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/preduce">preduce</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (preduce f data)
</pre>
<pre id="var-docstr">Similar to merge-with, but the contents of each key are merged in
parallel using f.
f - a function of 2 arguments.
data - a collection of hashes.</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L62" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/reverse-map">reverse-map</h2>
<span id="var-type">function</span><br />
<pre id="var-usage">Usage: (reverse-map m)
</pre>
<pre id="var-docstr">Reverse the keys/values of a map</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L54" id="var-source">Source</a>
</div><div id="var-entry">
<hr />
<h2 id="clojure.contrib.datalog.util/trace-datalog">trace-datalog</h2>
<span id="var-type">macro</span><br />
<pre id="var-usage">Usage: (trace-datalog & body)
</pre>
<pre id="var-docstr">If *test-datalog* is set to true, run the enclosed commands</pre>
<a href="http://github.com/richhickey/clojure-contrib/blob/ec6a7579d6b1c0bfa42e3666cfad196cffc966fe/src/main/clojure/clojure/contrib/datalog/util.clj#L82" id="var-source">Source</a>
</div>
</div>
</div>
</div>
</div>
</div>
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<div style="text-align: center;" id="copyright">Copyright 2007-2009 by Rich Hickey and the various contributors</div>
</div>
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<div id="DesignedBy">Logo & site design by <a title="Visit Tom Hickey's website." href="http://www.tomhickey.com">Tom Hickey</a>.<br />
Clojure auto-documentation system by Tom Faulhaber.</div>
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