Help Center/ Data Lake Insight/ Spark SQL Syntax Reference/ Built-In Functions/ String Functions/ repeat
Updated on 2023-10-25 GMT+08:00
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repeat

This function is used to return the string after str is repeated for n times.

Syntax

repeat(string <str>, bigint <n>)

Parameters

Table 1 Parameters

Parameter

Mandatory

Type

Description

str

Yes

STRING

If the value is of the BIGINT, DOUBLE, DECIMAL, or DATETIME type, the value is implicitly converted to the STRING type for calculation.

n

Yes

BIGINT

Number used for repetition

Return Values

The return value is of the STRING type.

  • If the value of str is not of the STRING, BIGINT, DOUBLE, DECIMAL, or DATETIME type, an error is reported.
  • If the value of n is empty, an error is reported.
  • If the value of str or n is NULL, NULL is returned.

Example Code

The value 123123 is returned after the string 123 is repeated twice.

SELECT repeat('123', 2);
Parent topic: String Functions