ClickHouse/docs/es/sql-reference/functions/in-functions.md
Ivan Blinkov cd14f9ebcb
SQL reference refactoring (#10857)
* split up select.md

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* absolute paths in make_links.sh

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* translate docs/es

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2020-05-15 07:34:54 +03:00

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---
machine_translated: true
machine_translated_rev: 72537a2d527c63c07aa5d2361a8829f3895cf2bd
toc_priority: 60
toc_title: "Implementaci\xF3n del operador IN"
---
# Funciones para implementar el operador IN {#functions-for-implementing-the-in-operator}
## Información de uso {#in-functions}
Vea la sección [IN operadores](../operators/in.md#select-in-operators).
## tuple(x, y, …), operator (x, y, …) {#tuplex-y-operator-x-y}
Una función que permite agrupar varias columnas.
For columns with the types T1, T2, …, it returns a Tuple(T1, T2, …) type tuple containing these columns. There is no cost to execute the function.
Las tuplas se usan normalmente como valores intermedios para un argumento de operadores IN, o para crear una lista de parámetros formales de funciones lambda. Las tuplas no se pueden escribir en una tabla.
## Puede utilizar el siguiente ejemplo: {#tupleelementtuple-n-operator-x-n}
Una función que permite obtener una columna de una tupla.
N es el índice de columna, comenzando desde 1. N debe ser una constante. N debe ser una constante. N debe ser un entero postivo estricto no mayor que el tamaño de la tupla.
No hay ningún costo para ejecutar la función.
[Artículo Original](https://clickhouse.tech/docs/en/query_language/functions/in_functions/) <!--hide-->