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% This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.
QSTR [esql-qstr]
:::{warning} Do not use on production environments. This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features. :::
:::{note}
Serverless: GA, Elastic Stack: COMING
Support for optional named parameters is only available in serverless, or in a future {{es}} release :::
Syntax
:::{image} ../../../images/functions/qstr.svg :alt: Embedded :class: text-center :::
:::{include} ../parameters/qstr.md :::
:::{include} ../description/qstr.md :::
:::{include} ../types/qstr.md :::
:::{include} ../functionNamedParams/qstr.md :::
:::{include} ../examples/qstr.md :::