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DB scheme for Comments table, resolves #20265
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@blizzz
blizzz committed Nov 20, 2015
1 parent f3ff858 commit 6bd343a
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151 changes: 151 additions & 0 deletions db_structure.xml
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</table>

<table>
<!--
default place to store comment data
-->
<name>*dbprefix*comments</name>

<declaration>

<field>
<name>id</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<unsigned>true</unsigned>
<length>4</length>
<autoincrement>1</autoincrement>
</field>

<field>
<name>parent_id</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<unsigned>true</unsigned>
<length>4</length>
</field>

<field>
<name>topmost_parent_id</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<unsigned>true</unsigned>
<length>4</length>
</field>

<field>
<name>children_count</name>
<type>integer</type>
<default>0</default>
<notnull>true</notnull>
<unsigned>true</unsigned>
<length>4</length>
</field>

<field>
<name>actor_type</name>
<type>text</type>
<default></default>
<notnull>true</notnull>
<length>64</length>
</field>

<field>
<name>actor_id</name>
<type>text</type>
<default></default>
<notnull>true</notnull>
<length>64</length>
</field>

<field>
<name>message</name>
<type>clob</type>
<default></default>
<notnull>false</notnull>
</field>

<field>
<name>verb</name>
<type>text</type>
<default></default>
<notnull>false</notnull>
<length>64</length>
</field>

<field>
<name>creation_timestamp</name>
<type>timestamp</type>
<default></default>
<notnull>false</notnull>
</field>

<field>
<name>latest_child_timestamp</name>
<type>timestamp</type>
<default></default>
<notnull>false</notnull>
</field>

<field>
<name>object_type</name>
<type>text</type>
<default></default>
<notnull>true</notnull>
<length>64</length>
</field>

<field>
<name>object_id</name>
<type>text</type>
<default></default>
<notnull>true</notnull>
<length>64</length>
</field>
<!--
TODO: finalize indexes when all queries are done
<index>
<name>comments_parent_id_index</name>
<unique>false</unique>
<field>
<name>parent_id</name>
<sorting>descending</sorting>
</field>
</index>
<index>
<name>comments_actor_index</name>
<unique>false</unique>
<field>
<name>actor_type</name>
<sorting>ascending</sorting>
</field>
<field>
<name>actor_id</name>
<sorting>ascending</sorting>
</field>
</index>
<index>
<name>comments_object_index</name>
<unique>false</unique>
<field>
<name>object_type</name>
<sorting>ascending</sorting>
</field>
<field>
<name>object_id</name>
<sorting>ascending</sorting>
</field>
<field>
<name>creation_timestamp</name>
<sorting>descending</sorting>
</field>
</index>
-->

</declaration>

</table>


</database>

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