Help Center/ Data Lake Insight/ Flink SQL Syntax Reference/ Flink OpenSource SQL 1.12 Syntax Reference/ Functions/ Built-In Functions/ Value Access Functions

Updated on 2022-09-15 GMT+08:00

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Value Access Functions

Description

**Table 1** Value access functions
Function	Description
tableName.compositeType.field	Returns the value of a field from a Flink composite type (e.g., Tuple, POJO) by name.
tableName.compositeType.*	Returns a flat representation of a Flink composite type (e.g., Tuple, POJO) that converts each of its direct subtype into a separate field.

Parent topic: Built-In Functions

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