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

This function is used to encode str in charset format.

Syntax

encode(string <str>, string <charset>)

Parameters

Table 1 Parameters

Parameter

Mandatory

Type

Description

str

Yes

STRING

At least two strings must be specified.

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

charset

Yes

STRING

Encoding format.

The options are UTF-8, UTF-16, UTF-16LE, UTF-16BE, ISO-8859-1, and US-ASCII.

Return Values

The return value is of the BINARY type.

If the value of str or charset is NULL, NULL is returned.

Example Code

  • Encodes string abc in UTF-8 format. An example command is as follows:
    The value abc is returned. 
    select encode("abc", "UTF-8");
  • The value of any input parameter is NULL. An example command is as follows:

    The return value is NULL.

    select encode("abc", null);
Parent topic: String Functions