xml/schema/Core/Cache.xml

   1 <?xml version="1.0" encoding="iso-8859-1" ?>
   2
   3 <table>
   4   <base>CRM/Core</base>
   5   <class>Cache</class>
   6   <name>civicrm_cache</name>
   7   <comment>Table to cache items for civicrm components.</comment>
   8   <add>2.1</add>
   9   <field>
  10     <name>id</name>
  11     <title>Cache ID</title>
  12     <type>int unsigned</type>
  13     <required>true</required>
  14     <comment>Unique table ID</comment>
  15     <html>
  16       <type>Number</type>
  17     </html>
  18     <add>2.1</add>
  19   </field>
  20   <primaryKey>
  21     <name>id</name>
  22     <autoincrement>true</autoincrement>
  23   </primaryKey>
  24   <field>
  25     <name>group_name</name>
  26     <title>Group Name</title>
  27     <type>varchar</type>
  28     <length>32</length>
  29     <required>true</required>
  30     <comment>group name for cache element, useful in cleaning cache elements</comment>
  31     <add>2.1</add>
  32   </field>
  33   <field>
  34     <name>path</name>
  35     <title>Path</title>
  36     <type>varchar</type>
  37     <length>255</length>
  38     <comment>Unique path name for cache element</comment>
  39     <add>2.1</add>
  40   </field>
  41   <index>
  42     <name>UI_group_path_date</name>
  43     <fieldName>group_name</fieldName>
  44     <fieldName>path</fieldName>
  45     <fieldName>created_date</fieldName>
  46     <unique>true</unique>
  47     <add>4.2</add>
  48   </index>
  49   <field>
  50     <name>data</name>
  51     <title>Data</title>
  52     <type>longtext</type>
  53     <comment>data associated with this path</comment>
  54     <add>2.1</add>
  55   </field>
  56   <field>
  57     <name>component_id</name>
  58     <title>Component ID</title>
  59     <type>int unsigned</type>
  60     <comment>Component that this menu item belongs to</comment>
  61     <add>2.1</add>
  62     <pseudoconstant>
  63       <table>civicrm_component</table>
  64       <keyColumn>id</keyColumn>
  65       <labelColumn>name</labelColumn>
  66     </pseudoconstant>
  67     <html>
  68       <type>Select</type>
  69       <label>Component</label>
  70     </html>
  71   </field>
  72   <foreignKey>
  73     <name>component_id</name>
  74     <table>civicrm_component</table>
  75     <key>id</key>
  76     <add>2.1</add>
  77   </foreignKey>
  78   <field>
  79     <name>created_date</name>
  80     <title>Created Date</title>
  81     <type>timestamp</type>
  82     <default>CURRENT_TIMESTAMP</default>
  83     <comment>When was the cache item created</comment>
  84     <add>2.1</add>
  85   </field>
  86   <field>
  87     <name>expired_date</name>
  88     <title>Expired Date</title>
  89     <type>timestamp</type>
  90     <default>NULL</default>
  91     <required>false</required>
  92     <comment>When should the cache item expire</comment>
  93     <add>2.1</add>
  94   </field>
  95 </table>