History for zodb_trans

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Table zodb_trans

 <table border=1>
 <th>Name</th><th>Description</th><th>Storing</th><th>Db field type</th>
 <tr>
  <td>z_serial</td>
  <td>Transaction ID as serial number</td>
  <td>String representation of serial from binascii.b2a_base64</td>
  <td>CHAR(12) PRIMARY KEY NOT NULL</td>
 </tr>
 <tr>
   <td>z_status</td>
   <td>Status code used primarily for nontransactional RDB's</td>
   <td>Single-byte string</td>
   <td>CHAR(1)</td>
 </tr>
 <tr>
  <td>z_user</td>
  <td>Username</td>
  <td>String up to 65kb</td>
  <td>very long VARCHAR, or BLOB or LONG</td>
 </tr>
 <tr>
  <td>z_desc</td>
  <td>Transaction description</td>
  <td>String up to 65kb</td>
  <td>very long VARCHAR, or BLOB or LONG</td>
 </tr>
 <tr>
  <td>z_ext</td>
  <td>Extension data</td>
  <td>Pickle</td>
  <td>LONG RAW or BLOB</td>
 </tr>
</table>