[Solved] What will happen if you send this update request?POST /orders/_update/1001 { "script": { "source": "ctx._source.quantity += params.count", "params": {"count": 3} } } | Elasticsearch

Elasticsearch - Document Operations

What will happen if you send this update request?

POST /orders/_update/1001
{
  "script": {
    "source": "ctx._source.quantity += params.count",
    "params": {"count": 3}
  }
}

AThe quantity field will increase by 3

BThe quantity field will be set to 3

CThe update will fail because scripts are not allowed

DThe entire document will be replaced with the script content

Step-by-Step Solution

Solution:

Step 1: Analyze the script update
The script adds the parameter count (3) to the existing quantity field.
Step 2: Understand script update effect
The script modifies the field by incrementing it, not replacing or failing.
Final Answer:
The quantity field will increase by 3 -> Option A
Quick Check:
Script update increments field = The quantity field will increase by 3 [OK]

Quick Trick: Scripts can increment fields using ctx._source [OK]

Common Mistakes:

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What will happen if you send this update request?