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| <div class="subTitle">org.apache.mahout.cf.taste.impl.model.jdbc</div> |
| <h2 title="Class PostgreSQLJDBCDataModel" class="title">Class PostgreSQLJDBCDataModel</h2> |
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| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">org.apache.mahout.cf.taste.impl.common.jdbc.AbstractJDBCComponent</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">org.apache.mahout.cf.taste.impl.model.jdbc.AbstractJDBCDataModel</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">org.apache.mahout.cf.taste.impl.model.jdbc.SQL92JDBCDataModel</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.mahout.cf.taste.impl.model.jdbc.PostgreSQLJDBCDataModel</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/Refreshable.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">Refreshable</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/DataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.model">DataModel</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/JDBCDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.model">JDBCDataModel</a></dd> |
| </dl> |
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| <br> |
| <pre>public class <span class="typeNameLabel">PostgreSQLJDBCDataModel</span> |
| extends <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">SQL92JDBCDataModel</a></pre> |
| <div class="block"><p> |
| A <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/JDBCDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.model"><code>JDBCDataModel</code></a> backed by a PostgreSQL database and |
| accessed via JDBC. It may work with other JDBC databases. By default, this class |
| assumes that there is a <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> available under the JNDI name |
| "jdbc/taste", which gives access to a database with a "taste_preferences" table with the following schema: |
| </p> |
| |
| <p> |
| |
| <pre> |
| CREATE TABLE taste_preferences ( |
| user_id BIGINT NOT NULL, |
| item_id BIGINT NOT NULL, |
| preference REAL NOT NULL, |
| PRIMARY KEY (user_id, item_id) |
| ) |
| CREATE INDEX taste_preferences_user_id_index ON taste_preferences (user_id); |
| CREATE INDEX taste_preferences_item_id_index ON taste_preferences (item_id); |
| </pre> |
| |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc"><code>PostgreSQLJDBCDataModel</code></a>, |
| <a href="../../../../../../../../serialized-form.html#org.apache.mahout.cf.taste.impl.model.jdbc.PostgreSQLJDBCDataModel">Serialized Form</a></dd> |
| </dl> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <h3>Field Summary</h3> |
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| <li class="blockList"><a name="fields.inherited.from.class.org.apache.mahout.cf.taste.impl.model.jdbc.AbstractJDBCDataModel"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.mahout.cf.taste.impl.model.jdbc.<a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">AbstractJDBCDataModel</a></h3> |
| <code><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#DEFAULT_ITEM_ID_COLUMN">DEFAULT_ITEM_ID_COLUMN</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#DEFAULT_PREFERENCE_COLUMN">DEFAULT_PREFERENCE_COLUMN</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#DEFAULT_PREFERENCE_TABLE">DEFAULT_PREFERENCE_TABLE</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#DEFAULT_PREFERENCE_TIME_COLUMN">DEFAULT_PREFERENCE_TIME_COLUMN</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#DEFAULT_USER_ID_COLUMN">DEFAULT_USER_ID_COLUMN</a></code></li> |
| </ul> |
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| <li class="blockList"><a name="fields.inherited.from.class.org.apache.mahout.cf.taste.impl.common.jdbc.AbstractJDBCComponent"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.mahout.cf.taste.impl.common.jdbc.<a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">AbstractJDBCComponent</a></h3> |
| <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#DEFAULT_DATASOURCE_NAME" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">DEFAULT_DATASOURCE_NAME</a></code></li> |
| </ul> |
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| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <li class="blockList"><a name="constructor.summary"> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html#PostgreSQLJDBCDataModel--">PostgreSQLJDBCDataModel</a></span>()</code> |
| <div class="block"> |
| Creates a using the default <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> (named |
| <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#DEFAULT_DATASOURCE_NAME" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc"><code>AbstractJDBCComponent.DEFAULT_DATASOURCE_NAME</code></a> and default table/column names.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html#PostgreSQLJDBCDataModel-javax.sql.DataSource-">PostgreSQLJDBCDataModel</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a> dataSource)</code> |
| <div class="block"> |
| Creates a using the given <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> and default table/column names.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html#PostgreSQLJDBCDataModel-javax.sql.DataSource-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">PostgreSQLJDBCDataModel</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a> dataSource, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> preferenceTable, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userIDColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> itemIDColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> preferenceColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> timestampColumn)</code> |
| <div class="block"> |
| Creates a using the given <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> and default table/column names.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html#PostgreSQLJDBCDataModel-java.lang.String-">PostgreSQLJDBCDataModel</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dataSourceName)</code> |
| <div class="block"> |
| Creates a using the default <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> found under the given name, and |
| using default table/column names.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/PostgreSQLJDBCDataModel.html#setPreference-long-long-float-">setPreference</a></span>(long userID, |
| long itemID, |
| float value)</code> |
| <div class="block">Override since PostgreSQL doesn't have the same non-standard capability that MySQL has, to optionally |
| insert or update in one statement.</div> |
| </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.mahout.cf.taste.impl.model.jdbc.SQL92JDBCDataModel"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.mahout.cf.taste.impl.model.jdbc.<a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">SQL92JDBCDataModel</a></h3> |
| <code><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html#getUpdatePreferenceSQL--">getUpdatePreferenceSQL</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html#getVerifyPreferenceSQL--">getVerifyPreferenceSQL</a></code></li> |
| </ul> |
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| </a> |
| <h3>Methods inherited from class org.apache.mahout.cf.taste.impl.model.jdbc.<a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">AbstractJDBCDataModel</a></h3> |
| <code><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#buildPreference-java.sql.ResultSet-">buildPreference</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#doGetPreferencesForItem-long-">doGetPreferencesForItem</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#exportWithIDsOnly--">exportWithIDsOnly</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#exportWithPrefs--">exportWithPrefs</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getDataSource--">getDataSource</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getItemIDColumn--">getItemIDColumn</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getItemIDs--">getItemIDs</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getLongColumn-java.sql.ResultSet-int-">getLongColumn</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getMaxPreference--">getMaxPreference</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getMinPreference--">getMinPreference</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getNumItems--">getNumItems</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getNumUsers--">getNumUsers</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getNumUsersWithPreferenceFor-long-">getNumUsersWithPreferenceFor</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getNumUsersWithPreferenceFor-long-long-">getNumUsersWithPreferenceFor</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferenceColumn--">getPreferenceColumn</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferencesForItem-long-">getPreferencesForItem</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferencesFromUser-long-">getPreferencesFromUser</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferenceTable--">getPreferenceTable</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getUserIDColumn--">getUserIDColumn</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#getUserIDs--">getUserIDs</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#hasPreferenceValues--">hasPreferenceValues</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#refresh-java.util.Collection-">refresh</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#removePreference-long-long-">removePreference</a>, <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/AbstractJDBCDataModel.html#setLongParameter-java.sql.PreparedStatement-int-long-">setLongParameter</a></code></li> |
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| </a> |
| <h3>Methods inherited from class org.apache.mahout.cf.taste.impl.common.jdbc.<a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">AbstractJDBCComponent</a></h3> |
| <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#checkNotNullAndLog-java.lang.String-java.lang.Object-" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">checkNotNullAndLog</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#checkNotNullAndLog-java.lang.String-java.lang.Object:A-" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">checkNotNullAndLog</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#getFetchSize--" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">getFetchSize</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#lookupDataSource-java.lang.String-" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc">lookupDataSource</a></code></li> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="PostgreSQLJDBCDataModel--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>PostgreSQLJDBCDataModel</h4> |
| <pre>public PostgreSQLJDBCDataModel() |
| throws <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></pre> |
| <div class="block"><p> |
| Creates a using the default <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> (named |
| <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html?is-external=true#DEFAULT_DATASOURCE_NAME" title="class or interface in org.apache.mahout.cf.taste.impl.common.jdbc"><code>AbstractJDBCComponent.DEFAULT_DATASOURCE_NAME</code></a> and default table/column names. |
| </p></div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></code> - if <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> can't be found</dd> |
| </dl> |
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| <h4>PostgreSQLJDBCDataModel</h4> |
| <pre>public PostgreSQLJDBCDataModel(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dataSourceName) |
| throws <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></pre> |
| <div class="block"><p> |
| Creates a using the default <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> found under the given name, and |
| using default table/column names. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataSourceName</code> - name of <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> to look up</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></code> - if <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> can't be found</dd> |
| </dl> |
| </li> |
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| <a name="PostgreSQLJDBCDataModel-javax.sql.DataSource-"> |
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| <h4>PostgreSQLJDBCDataModel</h4> |
| <pre>public PostgreSQLJDBCDataModel(<a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a> dataSource)</pre> |
| <div class="block"><p> |
| Creates a using the given <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> and default table/column names. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataSource</code> - <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> to use</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="PostgreSQLJDBCDataModel-javax.sql.DataSource-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-"> |
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| <ul class="blockListLast"> |
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| <h4>PostgreSQLJDBCDataModel</h4> |
| <pre>public PostgreSQLJDBCDataModel(<a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a> dataSource, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> preferenceTable, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userIDColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> itemIDColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> preferenceColumn, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> timestampColumn)</pre> |
| <div class="block"><p> |
| Creates a using the given <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> and default table/column names. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataSource</code> - <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> to use</dd> |
| <dd><code>preferenceTable</code> - name of table containing preference data</dd> |
| <dd><code>userIDColumn</code> - user ID column name</dd> |
| <dd><code>itemIDColumn</code> - item ID column name</dd> |
| <dd><code>preferenceColumn</code> - preference column name</dd> |
| <dd><code>timestampColumn</code> - timestamp column name (may be null)</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a name="method.detail"> |
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| <h3>Method Detail</h3> |
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| <h4>setPreference</h4> |
| <pre>public void setPreference(long userID, |
| long itemID, |
| float value) |
| throws <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></pre> |
| <div class="block">Override since PostgreSQL doesn't have the same non-standard capability that MySQL has, to optionally |
| insert or update in one statement.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/DataModel.html?is-external=true#setPreference-long-long-float-" title="class or interface in org.apache.mahout.cf.taste.model">setPreference</a></code> in interface <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/DataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.model">DataModel</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html#setPreference-long-long-float-">setPreference</a></code> in class <code><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/model/jdbc/SQL92JDBCDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.jdbc">SQL92JDBCDataModel</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/common/TasteException.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.common">TasteException</a></code></dd> |
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