# Conditional scripting during bulk update
**URL:** https://discuss.elastic.co/t/conditional-scripting-during-bulk-update/13263
**Category:** Elasticsearch
**Created:** [August 20, 2013, 12:59am UTC](https://discuss.elastic.co/t/conditional-scripting-during-bulk-update/13263 "2013-08-20T00:59:02Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@GivP](https://discuss.elastic.co/u/GivP)
#### Post date: [August 20, 2013, 12:59am UTC](https://discuss.elastic.co/t/conditional-scripting-during-bulk-update/13263/1 "2013-08-20T00:59:02Z")
I'm trying to have a script that will update a particular field (vcounter)
only if the index version is "1" during a bulk request. Here's a single
index in the bulk that will be upserted.
I only want to set the vcounter field to 1 ONLY if the index is at version
1 - else it will be incremented:
{"update": {"\_id": "1"}}
{"upsert": {"vcounter": 0}, "script": "if (ctx.\_version == '1') {
ctx.\_source.vcounter = 1 } else { ctx.\_source.vcounter += 1"}
{"update": {"\_id": "1"}}
{"doc": {"field2": 3, "field1": "value1"}, "doc\_as\_upsert": true}
Can't figure out what the problem is. Not even sure if we can script
against the \_version field? The above command always leaves vcounter at 0.
Any pointers would be much appreciated.
G
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### Author:  [@Anand\_Nalya](https://discuss.elastic.co/u/Anand_Nalya)
#### Post date: [October 28, 2013, 5:29am UTC](https://discuss.elastic.co/t/conditional-scripting-during-bulk-update/13263/2 "2013-10-28T05:29:14Z")
Is \_version field supported in scripts.
On Tuesday, 20 August 2013 06:29:02 UTC+5:30, GivP wrote:
> I'm trying to have a script that will update a particular field (vcounter)
> only if the index version is "1" during a bulk request. Here's a single
> index in the bulk that will be upserted.
>
> I only want to set the vcounter field to 1 ONLY if the index is at version
> 1 - else it will be incremented:
>
> {"update": {"\_id": "1"}}
> {"upsert": {"vcounter": 0}, "script": "if (ctx.\_version == '1') {
> ctx.\_source.vcounter = 1 } else { ctx.\_source.vcounter += 1"}
> {"update": {"\_id": "1"}}
> {"doc": {"field2": 3, "field1": "value1"}, "doc\_as\_upsert": true}
>
> Can't figure out what the problem is. Not even sure if we can script
> against the \_version field? The above command always leaves vcounter at 0.
>
> Any pointers would be much appreciated.
>
> G
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:10am UTC](https://discuss.elastic.co/t/conditional-scripting-during-bulk-update/13263/3 "2017-07-06T02:10:21Z")