Item12968: fix d2n for MS-SQL

git-svn-id: http://svn.foswiki.org/trunk/DBIStoreContrib@17822 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
foswiki · Jul 18, 2014 · edf039e · edf039e
1 parent bf0ea85
commit edf039e
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/lib/Foswiki/Contrib/DBIStoreContrib/Personality/ODBC.pm b/lib/Foswiki/Contrib/DBIStoreContrib/Personality/ODBC.pm
@@ -115,6 +115,15 @@ sub strcat {
     return join( '+', @_ );
 }
 
+sub d2n {
+    my ( $this, $arg ) = @_;
+
+    # Convert date string to number
+    # 22088800 = number of seconds from 1900-01-01 to start of epoch
+    # 86400 = number of seconds in a day
+    return "(CAST(CONVERT(datetime, $arg) AS FLOAT) * 86400 - 22088800)";
+}
+
 1;
 __DATA__