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26 lines
763 B
Text
26 lines
763 B
Text
# Tests for delete with INNODB
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#
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# MDEV-22187: SIGSEGV in ha_innobase::cmp_ref on DELETE
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#
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SET @save_sort_buffer_size= @@sort_buffer_size;
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SET sort_buffer_size=1024;
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CREATE TABLE t1(c1 CHAR(255) PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (0), ('a'), ('b');
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ANALYZE TABLE t1 PERSISTENT FOR ALL;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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SELECT * FROM t1;
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c1
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0
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a
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b
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EXPLAIN DELETE b FROM t1 AS a JOIN t1 AS b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE a index NULL PRIMARY 255 NULL 3 Using index
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1 SIMPLE b ALL NULL NULL NULL NULL 3
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DELETE b FROM t1 AS a JOIN t1 AS b;
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SELECT * FROM t1;
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c1
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SET sort_buffer_size=@save_sort_buffer_size;
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DROP TABLE t1;
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