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9cee94372a
lvm2/lib/report
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Peter Rajnoha 9cee94372a report: select: add handler to recognize fuzzy time specification 
Recognize date and time specification within selection criteria
that is formulated in a more free-form way besides to the original
basic YYYY-MM-DD HH:MM format that libdevmapper supports.

Currently, this free-form format is recognized for lv_time field.

Users are able to use expressions from this set:
  - weekday names ("Sunday" - "Saturday" or abbreviated as "Sun" - "Sat")
  - labels for points in time ("noon", "midnight")
  - labels for a day relative to current day ("today", "yesterday")
  - points back in time with relative offset from today (N is a number)
    ( "N" "seconds"/"minutes"/"hours"/"days"/"weeks"/"years" "ago")
    ( "N" "secs"/"mins"/"hrs" ... "ago")
    ( "N" "s"/"m"/"h" ... "ago")
  - time specification either in hh:mm:ss format or with AM/PM suffixes
  - month names ("January" - "December" or abbreviated as "Jan" - "Dec")

For example:

$ date
Fri Jul  3 10:11:13 CEST 2015

$ lvmconfig --type full report/time_format
time_format="%a %Y-%m-%d %T %z %Z [%s]"

$ lvs
  LV    VG     Time
  lvol0 vg     Fri 2014-08-22 21:25:41 +0200 CEST [1408735541]
  lvol2 vg     Sun 2015-04-26 14:52:20 +0200 CEST [1430052740]
  root  fedora Wed 2015-05-27 08:09:21 +0200 CEST [1432706961]
  swap  fedora Wed 2015-05-27 08:09:21 +0200 CEST [1432706961]
  lvol1 vg     Tue 2015-06-30 03:25:43 +0200 CEST [1435627543]
  lvol3 vg     Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
  lvol6 vg     Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
  lvol4 vg     Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
  lvol5 vg     Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

$ lvs -S 'time=yesterday'
  LV    VG   Time
  lvol4 vg   Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
  lvol5 vg   Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

$ lvs -S 'time since "June 30"'
  LV    VG   Time
  lvol1 vg   Tue 2015-06-30 03:25:43 +0200 CEST [1435627543]
  lvol3 vg   Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
  lvol6 vg   Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
  lvol4 vg   Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
  lvol5 vg   Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

$ lvs -S 'time since "noon June 30"'
  LV    VG   Time
  lvol3 vg   Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
  lvol6 vg   Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
  lvol4 vg   Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
  lvol5 vg   Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

$ lvs -S 'time since "2 July 9AM"'
  LV    VG   Time
  lvol4 vg   Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
  lvol5 vg   Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

$ lvs -S 'time since "2 July 1PM"'
  LV    VG   Time
  lvol5 vg   Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]

...and so on.
2015-07-03 10:51:31 +02:00
..
columns-devtypes.h reporting: Add devtypes command. 2013-09-18 01:09:15 +01:00
columns.h cleanup: commit fe70b03 turned lv_time to STR, put it back to TIM 2015-07-03 09:22:48 +02:00
properties.c Add lvmlockd 2015-07-02 15:42:26 -05:00
properties.h report: select: refactor: move str_list to libdm 2014-06-17 16:27:20 +02:00
report.c report: select: add handler to recognize fuzzy time specification 2015-07-03 10:51:31 +02:00
report.h cleanup: replace static struct processing_handle initializer with common init_processing_handle 2015-02-13 11:26:57 +01:00
values.h report: select: add handler to recognize fuzzy time specification 2015-07-03 10:51:31 +02:00