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     <add>2.1</add>
  16   </field>
  17   <primaryKey>
  18     <name>id</name>
  19     <autoincrement>true</autoincrement>
  20   </primaryKey>
  21   <field>
  22     <name>group_name</name>
  23     <title>Group Name</title>
  24     <type>varchar</type>
  25     <length>32</length>
  26     <required>true</required>
  27     <comment>group name for cache element, useful in cleaning cache elements</comment>
  28     <add>2.1</add>
  29   </field>
  30   <field>
  31     <name>path</name>
  32     <title>Path</title>
  33     <type>varchar</type>
  34     <length>255</length>
  35     <comment>Unique path name for cache element</comment>
  36     <add>2.1</add>
  37   </field>
  38   <index>
  39     <name>UI_group_path</name>
  40     <fieldName>group_name</fieldName>
  41     <fieldName>path</fieldName>
  42     <unique>true</unique>
  43     <add>2.1</add>
  44     <drop>4.2</drop>
  45   </index>
  46   <index>
  47     <name>UI_group_path_date</name>
  48     <fieldName>group_name</fieldName>
  49     <fieldName>path</fieldName>
  50     <fieldName>created_date</fieldName>
  51     <unique>true</unique>
  52     <add>4.2</add>
  53   </index>
  54   <field>
  55     <name>data</name>
  56     <title>Data</title>
  57     <type>longtext</type>
  58     <comment>data associated with this path</comment>
  59     <add>2.1</add>
  60   </field>
  61   <field>
  62     <name>component_id</name>
  63     <title>Component ID</title>
  64     <type>int unsigned</type>
  65     <comment>Component that this menu item belongs to</comment>
  66     <add>2.1</add>
  67     <pseudoconstant>
  68       <table>civicrm_component</table>
  69       <keyColumn>id</keyColumn>
  70       <labelColumn>name</labelColumn>
  71     </pseudoconstant>
  72     <html>
  73       <type>Select</type>
  74     </html>
  75   </field>
  76   <foreignKey>
  77     <name>component_id</name>
  78     <table>civicrm_component</table>
  79     <key>id</key>
  80     <add>2.1</add>
  81   </foreignKey>
  82   <field>
  83     <name>created_date</name>
  84     <title>Created Date</title>
  85     <type>timestamp</type>
  86     <default>CURRENT_TIMESTAMP</default>
  87     <comment>When was the cache item created</comment>
  88     <add>2.1</add>
  89   </field>
  90   <field>
  91     <name>expired_date</name>
  92     <title>Expired Date</title>
  93     <type>timestamp</type>
  94     <default>NULL</default>
  95     <required>false</required>
  96     <comment>When should the cache item expire</comment>
  97     <add>2.1</add>
  98   </field>
  99 </table>