Documentation

SQL binary string functions

Use binary string functions to encode and decode binary string values in SQL queries.

decode

Decode binary data from textual representation in string.

decode(expression, format)

Arguments

  • expression: Expression containing encoded string data. Can be a constant, column, or function, and any combination of string operators.
  • format: Encoding format of the encoded string. Supported formats are:
    • base64
    • hex

encode

encode

Encode binary data into a textual representation.

encode(expression, format)

Arguments

  • expression: Expression containing string or binary data. Can be a constant, column, or function, and any combination of string operators.
  • format: Encoding format to use. Supported formats are:
    • base64
    • hex

decode

View encode query example


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See the Blog Post

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InfluxDB Docker latest tag changing to InfluxDB 3 Core

On February 3, 2026, the latest tag for InfluxDB Docker images will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments.

If using Docker to install and run InfluxDB, the latest tag will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments. For example, if using Docker to run InfluxDB v2, replace the latest version tag with a specific version tag in your Docker pull command–for example:

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