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test_run = require('test_run').new()
engine = test_run:get_cfg('engine')
_ = box.space._session_settings:update('sql_default_engine', {{'=', 2, engine}})
-- box.cfg()
-- create space
box.execute("CREATE TABLE t3(id INT, a text, b TEXT, PRIMARY KEY(id))")
-- Seed entries
box.execute("INSERT INTO t3 VALUES(1, 'abc',NULL)");
box.execute("INSERT INTO t3 VALUES(2, NULL,'xyz')");
-- Select must return properly decoded `NULL`
box.execute("SELECT * FROM t3")
-- Cleanup
box.execute("DROP TABLE t3")
-- Debug
-- require("console").start()
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