[teiid-commits] teiid SVN: r2050 - trunk/documentation/reference/src/main/docbook/en-US/content.

Author: shawkins Date: 2010-04-11 23:02:54 -0400 (Sun, 11 Apr 2010) New Revision: 2050 Modified: trunk/documentation/reference/src/main/docbook/en-US/content/federated_planning.xml Log: TEIID-1040 changing to document the use of set statements Modified: trunk/documentation/reference/src/main/docbook/en-US/content/federated_planning.xml =================================================================== --- trunk/documentation/reference/src/main/docbook/en-US/content/federated_planning.xml 2010-04-12 01:49:40 UTC (rev 2049) +++ trunk/documentation/reference/src/main/docbook/en-US/content/federated_planning.xml 2010-04-12 03:02:54 UTC (rev 2050) @@ -301,24 +301,13 @@ default for all queries in a Connection with either setPartialResultsMode("true") on a DataSource or partialResultsMode=true on a JDBC URL. In either case, partial - results mode may be overridden on a per-query basis by setting - the execution property on the Statement. To set this property, - cast to the Teiid Statement JDBC API extension interface - <classname>org.teiid.jdbc.TeiidStatement - </classname> + results mode may be overridden with a set statement. </para> <example> <title>Example - Setting Partial Results Mode</title> <programlisting>Statement statement = ...obtain statement from Connection... - -TeiidStatement mmStatement = statement.unWrap(TeiidStatement.class); - -mmStatement.setExecutionProperty( - ExecutionProperties.PROP_PARTIAL_RESULTS_MODE, "true");</programlisting> +statement.execute("set partialResultsMode true");</programlisting> </example> - <para>This property can be set before each execution (via an - execute method) on a Statement (or PreparedStatement or - CallableStatement).</para> </sect3> <sect3> <title>Source Unavailability</title> @@ -354,7 +343,7 @@ <example> <title>Example - Printing List of Failed Sources </title> - <programlisting>statement.setExecutionProperty( PROP_PARTIAL_RESULTS_MODE, "true"); + <programlisting>statement.execute("set partialResultsMode true"); ResultSet results = statement.executeQuery("SELECT Name FROM Accounts"); SQLWarning warning = statement.getWarnings(); if(warning instanceof PartialResultsWarning) { @@ -404,19 +393,12 @@ </para> <example> <title>Retrieving a Query Plan</title> - <programlisting>TeiidStatement mmstatement = statement.unWrap(TeiidStatement.class); -String sql = "select ..."; - -mmstatement.setExecutionProperty(ExecutionProperties.PROP_SQL_OPTIONS, ExecutionProperties.SQL_OPTION_SHOWPLAN); -//or -//sql += " OPTION SHOWPLAN"; -//or -//sql += " OPTION PLANONLY"; - -ResultSet rs = statement.executeQuery(sql); - -PlanNode queryPlan = mmstatement.getPlanDescription(); -System.out.println(XMLOutputVisitor.convertToXML(queryPlan);</programlisting> + <programlisting> +statement.execute("set showplan on"); +ResultSet rs = statement.executeQuery("select ..."); +TeiidStatement tstatement = statement.unWrap(TeiidStatement.class); +PlanNode queryPlan = tstatement.getPlanDescription(); +System.out.println(queryPlan);</programlisting> </example> <para>The query plan is made available automatically in several of Teiid's tools.</para>