- Painless Scripting Language: other versions:
- Getting Started with Painless
- Painless Language Specification
- Painless contexts
- Context examples
- Ingest processor context
- Update context
- Update by query context
- Reindex context
- Sort context
- Similarity context
- Weight context
- Score context
- Field context
- Filter context
- Minimum should match context
- Metric aggregation initialization context
- Metric aggregation map context
- Metric aggregation combine context
- Metric aggregation reduce context
- Bucket script aggregation context
- Bucket selector aggregation context
- Analysis Predicate Context
- Watcher condition context
- Watcher transform context
- Painless API Reference
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Field context
editField context
editUse a Painless script to create a script field to return a customized value for each document in the results of a query.
Variables
-
params(Map, read-only) - User-defined parameters passed in as part of the query.
-
doc(Map, read-only) -
Contains the fields of the specified document where each field is a
Listof values. -
ctx['_source'](Map) -
Contains extracted JSON in a
MapandListstructure for the fields existing in a stored document. -
_score(doubleread-only) - The original score of the specified document.
Return
-
Object - The customized value for each document.
API
The standard Painless API is available.
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