array_contains

description

Syntax

BOOLEAN array_contains(ARRAY<T> arr, T value)

Check if a value presents in an array column. Return below values:

  1. 1 - if value presents in an array;
  2. 0 - if value does not present in an array;
  3. NULL - when array is NULL;

notice

Only supported in vectorized engine

example

  1. mysql> set enable_vectorized_engine=true;
  2. mysql> SELECT id,c_array,array_contains(c_array, 5) FROM `array_test`;
  3. +------+-----------------+------------------------------+
  4. | id | c_array | array_contains(`c_array`, 5) |
  5. +------+-----------------+------------------------------+
  6. | 1 | [1, 2, 3, 4, 5] | 1 |
  7. | 2 | [6, 7, 8] | 0 |
  8. | 3 | [] | 0 |
  9. | 4 | NULL | NULL |
  10. +------+-----------------+------------------------------+

keywords

ARRAY,CONTAIN,CONTAINS,ARRAY_CONTAINS