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92 lines
3.9 KiB
Plaintext
92 lines
3.9 KiB
Plaintext
# Tests for sys schema
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# Verify the sys.ps_thread_trx_info() function perfoms as expected
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-- source include/not_embedded.inc
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# Performance schema tracks prepared statements separately, and does not
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# yet have a summary view that we can use for this view.
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# Until then, we disable this test with --ps-protocol
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-- source include/no_protocol.inc
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# Passing unknown connection id should return NULL
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SELECT sys.ps_thread_trx_info(234623462376);
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# Make sure current thread returns a valid JSON object
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SELECT JSON_VALID(sys.ps_thread_trx_info(sys.ps_thread_id(NULL)));
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# Dummy up some transactions and inspect
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CREATE DATABASE trx;
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CREATE TABLE trx.info (id INT PRIMARY KEY, info VARCHAR(20));
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--connect(con1,localhost,root,,)
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connection con1;
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let $NEW_TRX_ID=`SELECT thread_id FROM performance_schema.threads
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WHERE PROCESSLIST_ID = connection_id()`;
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USE trx;
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START TRANSACTION;
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INSERT INTO info VALUES (1, 'foo');
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COMMIT;
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START TRANSACTION;
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INSERT INTO info VALUES (2, 'bar');
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COMMIT;
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connection default;
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--disable_query_log ONCE
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eval SET @ps_thread_id = $NEW_TRX_ID;
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# Get the JSON dump of the transaction info
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SET @json_doc := sys.ps_thread_trx_info(@ps_thread_id);
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# JSON should be valid
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SELECT JSON_VALID(@json_doc);
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# Should have two transactions in the array
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SELECT JSON_LENGTH(@json_doc);
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# Expected keys are returned for first transaction details
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SELECT JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0]'));
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# Expected values are returned for the transaction details
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SELECT JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].time');
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SELECT JSON_CONTAINS(@json_doc, '"COMMITTED"', '$[0].state');
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SELECT JSON_CONTAINS(@json_doc, '"READ WRITE"', '$[0].mode');
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SELECT JSON_CONTAINS(@json_doc, '"NO"', '$[0].autocommitted');
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SELECT JSON_CONTAINS(@json_doc, '"AUTOMATIC"', '$[0].gtid');
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SELECT JSON_CONTAINS(@json_doc, '"REPEATABLE READ"', '$[0].isolation');
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# Expected keys are returned for first transaction statements_executed details
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SELECT JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0].statements_executed[0]'));
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# Confirm statement details values
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SELECT JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].statements_executed[0].time');
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SELECT JSON_CONTAINS(@json_doc, '"INSERT INTO info VALUES (1, \'foo\')"', '$[0].statements_executed[0].sql_text');
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SELECT JSON_CONTAINS(@json_doc, '"trx"', '$[0].statements_executed[0].schema');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_examined');
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SELECT JSON_CONTAINS(@json_doc, '1', '$[0].statements_executed[0].rows_affected');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_sent');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_tables');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_disk_tables');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_rows');
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_merge_passes');
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# Second statement in transaction should be a COMMIT
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SELECT JSON_CONTAINS(@json_doc, '"COMMIT"', '$[0].statements_executed[1].sql_text');
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# Simulate a truncated set of output by lowering the @sys.ps_thread_trx_info.max_length user variable
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# This also tests the user variable works appropriately, incidentally
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SET @sys.ps_thread_trx_info.max_length = 100;
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# Should return an error JSON object
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--replace_regex /Row \d+ was/Row 1X was/
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SELECT sys.ps_thread_trx_info(@ps_thread_id);
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# Setting the user variable back to NULL should reset to 65535 from sys_config, and no truncation
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SET @sys.ps_thread_trx_info.max_length = NULL;
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SELECT JSON_VALID(sys.ps_thread_trx_info(@ps_thread_id));
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# Clean up
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disconnect con1;
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DROP DATABASE trx;
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