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49cbbf6ea4
Replace the array of mutexes that used to protect dict_index_t::stat_n_diff_key_vals[] with an array of rw locks that protects all the stats related members in dict_table_t and all of its indexes. Approved by: Jimmy (rb://503)
28 lines
1016 B
Plaintext
28 lines
1016 B
Plaintext
CREATE TABLE bug53046_1 (c1 INT PRIMARY KEY) ENGINE=INNODB;
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CREATE TABLE bug53046_2 (c2 INT PRIMARY KEY,
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FOREIGN KEY (c2) REFERENCES bug53046_1(c1)
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ON UPDATE CASCADE ON DELETE CASCADE) ENGINE=INNODB;
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INSERT INTO bug53046_1 VALUES (1);
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INSERT INTO bug53046_1 SELECT c1+(SELECT MAX(c1) FROM bug53046_1)
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FROM bug53046_1;
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INSERT INTO bug53046_1 SELECT c1+(SELECT MAX(c1) FROM bug53046_1)
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FROM bug53046_1;
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INSERT INTO bug53046_1 SELECT c1+(SELECT MAX(c1) FROM bug53046_1)
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FROM bug53046_1;
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INSERT INTO bug53046_1 SELECT c1+(SELECT MAX(c1) FROM bug53046_1)
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FROM bug53046_1;
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INSERT INTO bug53046_1 SELECT c1+(SELECT MAX(c1) FROM bug53046_1)
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FROM bug53046_1;
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INSERT INTO bug53046_2 VALUES (1), (2);
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ANALYZE TABLE bug53046_1;
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Table Op Msg_type Msg_text
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test.bug53046_1 analyze status OK
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SHOW TABLE STATUS LIKE 'bug53046_1';
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UPDATE bug53046_1 SET c1 = c1 - 1;
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DELETE FROM bug53046_1;
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INSERT INTO bug53046_1 VALUES (1);
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INSERT INTO bug53046_2 VALUES (1);
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TRUNCATE TABLE bug53046_2;
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DROP TABLE bug53046_2;
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DROP TABLE bug53046_1;
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