From 9bc76dfaf8c7d662aa0e902616a084ccceed5e54 Mon Sep 17 00:00:00 2001
From: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Date: Fri, 13 Sep 2013 11:07:09 +0200
Subject: [PATCH] chimera: update DB schema to support CREATION_TIME

update jdbcfs to populate creation time

A new field 'icrtime' is introduced to keep track of file creation time.
The initial value for ald files will be oldest from mtime, ctime and atime.

Acked-by: Paul Millar
Target: master
Require-book: yes
Require-notes: yes
---
 .../java/org/dcache/chimera/FsSqlDriver.java  |  3 ++-
 .../chimera/changelog/changeset-2.8.xml       | 27 +++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/modules/chimera/src/main/java/org/dcache/chimera/FsSqlDriver.java b/modules/chimera/src/main/java/org/dcache/chimera/FsSqlDriver.java
index 0a4e71c48d0..1f57530d834 100644
--- a/modules/chimera/src/main/java/org/dcache/chimera/FsSqlDriver.java
+++ b/modules/chimera/src/main/java/org/dcache/chimera/FsSqlDriver.java
@@ -611,7 +611,7 @@ String inode2path(Connection dbConnection, FsInode inode, FsInode startFrom, boo
 
         return path;
     }
-    private static final String sqlCreateInode = "INSERT INTO t_inodes VALUES(?,?,?,?,?,?,?,?,?,?,?)";
+    private static final String sqlCreateInode = "INSERT INTO t_inodes VALUES(?,?,?,?,?,?,?,?,?,?,?,?)";
 
     /**
      *
@@ -650,6 +650,7 @@ public void createInode(Connection dbConnection, FsInode inode, int type, int ui
             stCreateInode.setTimestamp(9, now);
             stCreateInode.setTimestamp(10, now);
             stCreateInode.setTimestamp(11, now);
+            stCreateInode.setTimestamp(12, now);
 
             stCreateInode.executeUpdate();
 
diff --git a/modules/chimera/src/main/resources/org/dcache/chimera/changelog/changeset-2.8.xml b/modules/chimera/src/main/resources/org/dcache/chimera/changelog/changeset-2.8.xml
index d19a20fdb7e..41213f1c399 100644
--- a/modules/chimera/src/main/resources/org/dcache/chimera/changelog/changeset-2.8.xml
+++ b/modules/chimera/src/main/resources/org/dcache/chimera/changelog/changeset-2.8.xml
@@ -5,6 +5,32 @@
         xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
 
+    <changeSet author="tigran" id="14">
+        <addColumn tableName="t_inodes">
+            <column name="icrtime" type="DATETIME" remarks="file/directory creation timestamp"/>
+        </addColumn>
+    </changeSet>
+
+    <changeSet author="tigran" id="15">
+        <sql stripComments="true">
+            UPDATE t_inodes SET icrtime = (
+                SELECT
+                    CASE
+                        WHEN ictime &lt;= imtime and ictime &lt;= iatime THEN ictime
+                        WHEN imtime &lt;= ictime and imtime &lt;= iatime THEN imtime
+                        ELSE iatime
+                    END AS icrtime
+                FROM t_inodes AS p WHERE p.ipnfsid = t_inodes.ipnfsid
+            )
+        </sql>
+    </changeSet>
+
+    <changeSet author="tigran" id="16">
+        <addNotNullConstraint columnDataType="DATETIME"
+                      columnName="icrtime"
+                      tableName="t_inodes"/>
+    </changeSet>
+
     <changeSet author="litvinse" id="17" dbms="postgresql">
        <createProcedure>
 	 ---  RFC 2396 :  http://www.ietf.org/rfc/rfc2396.txt
@@ -94,4 +120,5 @@
 	  LANGUAGE 'plpgsql';
        </createProcedure>
     </changeSet>
+
 </databaseChangeLog>