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  1. MariaDB Server
  2. MDEV-41418

Null MEMBER OF (json) depends on type

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    • Can result in hang or crash

    Description

      CREATE TABLE t1 (j JSON, c VARCHAR(10), i INT);
      		 
      INSERT INTO t1 VALUES (NULL,NULL,NULL);
      		 
      SELECT j MEMBER OF ('[1]'), c MEMBER OF ('[1]'), i MEMBER OF ('[1]') FROM t1;
      		 
      SELECT j MEMBER OF ('[null]'), c MEMBER OF ('[null]'), i MEMBER OF ('[null]') FROM t1;
      		 
      DROP TABLE t1;

      Server version: 13.1.0-MariaDB-asan-debug-log source revision: 7dbc4bef9e3d3dda83e39065f570d97cb8cca66f

      SELECT j MEMBER OF ('[1]'), c MEMBER OF ('[1]'), i MEMBER OF ('[1]') FROM t1;
      		 
      j MEMBER OF ('[1]')	c MEMBER OF ('[1]')	i MEMBER OF ('[1]')
      		 
      NULL	0	0
      		 
      SELECT j MEMBER OF ('[null]'), c MEMBER OF ('[null]'), i MEMBER OF ('[null]') FROM t1;
      		 
      j MEMBER OF ('[null]')	c MEMBER OF ('[null]')	i MEMBER OF ('[null]')
      		 
      NULL	1	1

      JarirBob FYI

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          is caused by

          New Feature - A new feature of the product, which has yet to be developed. MDEV-38591 MEMBER OF json operator

          • Critical - Crashes, loss of data, severe memory leak.
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              danblack Daniel Black
              alice Alice Sherepa
              Rucha Deodhar Rucha Deodhar
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