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50 lines
1.2 KiB
50 lines
1.2 KiB
3 months ago
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# Windows fails because it disconnects on too-large packets instead of just
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# swallowing them and returning an error
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--source include/not_windows.inc
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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# Test need MyISAM storage engine
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--source include/force_myisam_default.inc
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--source include/have_myisam.inc
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#
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# Check protocol handling
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#
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set @max_allowed_packet=@@global.max_allowed_packet;
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set @net_buffer_length=@@global.net_buffer_length;
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--echo #
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--echo # Bug #20376498: MAX_ALLOWED_PACKET ERROR DESTROYS
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--echo # ORIGINAL DATA
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CREATE TABLE t3 (c31 INT NOT NULL, c32 LONGTEXT,
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PRIMARY KEY (c31)) charset latin1 ENGINE=MYISAM;
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CREATE TABLE t4 (c41 INT NOT NULL, c42 LONGTEXT,
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PRIMARY KEY (c41)) charset latin1 ENGINE=MYISAM;
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INSERT INTO t3 VALUES(100,'a');
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INSERT INTO t3 VALUES(111,'abcd');
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INSERT INTO t3 VALUES(122,'b');
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INSERT INTO t4
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SELECT c31, CONCAT(c32,
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REPEAT('a', @max_allowed_packet-1))
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FROM t3;
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SELECT c41, LENGTH(c42) FROM t4;
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--error ER_WARN_ALLOWED_PACKET_OVERFLOWED
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UPDATE t3
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SET c32= CONCAT(c32,
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REPEAT('a', @max_allowed_packet-1));
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SELECT c31, LENGTH(c32) FROM t3;
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DROP TABLE t3, t4;
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