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https://github.com/MariaDB/server.git
synced 2025-05-13 01:01:44 +03:00
22 lines
739 B
Plaintext
22 lines
739 B
Plaintext
SET @save_tdc= @@GLOBAL.table_definition_cache;
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SET @save_toc= @@GLOBAL.table_open_cache;
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SET GLOBAL table_definition_cache= 400;
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SET GLOBAL table_open_cache= 1024;
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CREATE TABLE to_be_evicted(a INT PRIMARY KEY, b INT NOT NULL) ENGINE=InnoDB;
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INSERT INTO to_be_evicted VALUES(1,2),(2,1);
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connect ddl,localhost,root,,;
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SET DEBUG_SYNC = 'row_log_apply_before SIGNAL scanned WAIT_FOR got_duplicate';
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ALTER TABLE to_be_evicted ADD UNIQUE INDEX(b);
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connection default;
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SET DEBUG_SYNC = 'now WAIT_FOR scanned';
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BEGIN;
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INSERT INTO to_be_evicted VALUES(3, 2);
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SET DEBUG_SYNC = 'now SIGNAL got_duplicate';
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connection ddl;
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ERROR 23000: Duplicate entry '2' for key 'b'
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disconnect ddl;
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connection default;
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COMMIT;
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SET DEBUG_SYNC = RESET;
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FLUSH TABLES;
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