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Code Block

	xml
	xml
title	Basic data definition where output is based on columns in the underlying table
linenumbers	true

<data:datadefinition id="roadDetails">
	<datasourcedataconnection datasource="datasource.main" table="ROADS" key="RD_NAME" prefix="DISTINCT"/>
</data:datadefinition>

Note
In the following examples the `\|\|` operator is used to concatenate strings, this operator is Oracle specific, and my require using a different operator for other databases, for example `+`

Code Block

	xml
	xml
title	Sample data definition with caching parameters explicitly set
linenumbers	true

<data:datadefinition id="roadDetails">
	<datasourcedataconnection datasource="datasource.main" table="ROADS" key="RD_NAME" prefix="DISTINCT">
		<from table="PLANS"/>
		<where clause="PLANS.ID=ROADS.PLAN_ID"/>
		<parameter name="name" label="Name" column="RD_NAME"/>
		<parameter name="suffix" label="Suffix" column="RD_SUFFIX"/>
		<parameter name="type" label="Type" column="RD_TYPE"/>
		<parameter name="altname" label="Alt. Name" column="ALT_NAME"/>
		<parameter name="altsuffix" label="Alt. Suffix" column="ALT_SUFFIX"/>
		<parameter name="alttype" label="Alt. Type" column="ALT_TYPE"/>
		<parameter type="integer" name="class" label="Class" column="CLASS_CODE"/>
		<parameter type="url" name="plan" label="Plan" column="'http://imgsvr:8080/gis/documents/plan_'||PLANS.PLAN_CODE||'.pdf'" text="Open"/>
		<cache>
			<maxElementsInMemory>500</maxElementsInMemory>
			<eternal>false</eternal>
			<timeToIdleSeconds>60</timeToIdleSeconds>
			<timeToLiveSeconds>300</timeToLiveSeconds>
			<overflowToDisk>true</overflowToDisk>
			<maxElementsOnDisk>20000</maxElementsOnDisk>
			<diskPersistent>false</diskPersistent>
			<diskExpiryThreadIntervalSeconds>120</diskExpiryThreadIntervalSeconds>
			<memoryStoreEvictionPolicy>LRU</memoryStoreEvictionPolicy>
		</cache>
	</datasourcedataconnection>
</data:datadefinition>

Code Block

	xml
	xml
title	Sample data definition with caching disabled
linenumbers	true

<data:datadefinition id="roadDetails">
	<datasourcedataconnection datasource="datasource.main" table="ROADS" key="RD_NAME" prefix="DISTINCT">
		<from table="PLANS"/>
		<where clause="PLANS.ID=ROADS.PLAN_ID"/>
		<parameter name="name" label="Name" column="RD_NAME"/>
		<parameter name="suffix" label="Suffix" column="RD_SUFFIX"/>
		<parameter name="type" label="Type" column="RD_TYPE"/>
		<parameter name="altname" label="Alt. Name" column="ALT_NAME"/>
		<parameter name="altsuffix" label="Alt. Suffix" column="ALT_SUFFIX"/>
		<parameter name="alttype" label="Alt. Type" column="ALT_TYPE"/>
		<parameter type="integer" name="class" label="Class" column="CLASS_CODE"/>
		<parameter type="url" name="plan" label="Plan" column="'http://imgsvr:8080/gis/documents/plan_'||PLANS.PLAN_CODE||'.pdf'" text="Open"/>
		<cache disable="true"/>
	</datasourcedataconnection>
</data:datadefinition>

Code Block

	xml
	xml
title	Sample data definition with caching parameters supplied by a cache configuration (so the cache definition can be reused)
linenumbers	true

<data:cache id="test.cache">
	<maxElementsInMemory>500</maxElementsInMemory>
	<eternal>false</eternal>
	<timeToIdleSeconds>60</timeToIdleSeconds>
	<timeToLiveSeconds>300</timeToLiveSeconds>
	<overflowToDisk>true</overflowToDisk>
	<maxElementsOnDisk>20000</maxElementsOnDisk>
	<diskPersistent>false</diskPersistent>
	<diskExpiryThreadIntervalSeconds>120</diskExpiryThreadIntervalSeconds>
	<memoryStoreEvictionPolicy>LRU</memoryStoreEvictionPolicy>
</data:cache>

<data:datadefinition id="roadDetails">
	<datasourcedataconnection datasource="datasource.main" table="ROADS" key="RD_NAME" prefix="DISTINCT">
		<from table="PLANS"/>
		<where clause="PLANS.ID=ROADS.PLAN_ID"/>
		<parameter name="name" label="Name" column="RD_NAME"/>
		<parameter name="suffix" label="Suffix" column="RD_SUFFIX"/>
		<parameter name="type" label="Type" column="RD_TYPE"/>
		<parameter name="altname" label="Alt. Name" column="ALT_NAME"/>
		<parameter name="altsuffix" label="Alt. Suffix" column="ALT_SUFFIX"/>
		<parameter name="alttype" label="Alt. Type" column="ALT_TYPE"/>
		<parameter type="integer" name="class" label="Class" column="CLASS_CODE"/>
		<parameter type="url" name="plan" label="Plan" column="'http://imgsvr:8080/gis/documents/plan_'||PLANS.PLAN_CODE||'.pdf'" text="Open"/>
		<cache id="test.cache"/>
	</datasourcedataconnection>
</data:datadefinition>

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