92 lines
4.7 KiB
Plaintext
92 lines
4.7 KiB
Plaintext
SELECT sys.ps_thread_trx_info(234623462376);
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sys.ps_thread_trx_info(234623462376)
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NULL
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SELECT JSON_VALID(sys.ps_thread_trx_info(sys.ps_thread_id(NULL)));
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JSON_VALID(sys.ps_thread_trx_info(sys.ps_thread_id(NULL)))
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1
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Warnings:
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Note 1585 This function 'ps_thread_id' has the same name as a native function
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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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# Warm-up data-dictionary cache.
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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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SET @json_doc := sys.ps_thread_trx_info(@ps_thread_id);
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SELECT JSON_VALID(@json_doc);
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JSON_VALID(@json_doc)
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1
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SELECT JSON_LENGTH(@json_doc);
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JSON_LENGTH(@json_doc)
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2
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SELECT JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0]'));
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JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0]'))
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["gtid", "mode", "time", "state", "isolation", "autocommitted", "statements_executed"]
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SELECT JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].time');
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JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].time')
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1
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SELECT JSON_CONTAINS(@json_doc, '"COMMITTED"', '$[0].state');
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JSON_CONTAINS(@json_doc, '"COMMITTED"', '$[0].state')
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1
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SELECT JSON_CONTAINS(@json_doc, '"READ WRITE"', '$[0].mode');
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JSON_CONTAINS(@json_doc, '"READ WRITE"', '$[0].mode')
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1
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SELECT JSON_CONTAINS(@json_doc, '"NO"', '$[0].autocommitted');
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JSON_CONTAINS(@json_doc, '"NO"', '$[0].autocommitted')
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1
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SELECT JSON_EXTRACT(@json_doc, '$[0].gtid');
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JSON_EXTRACT(@json_doc, '$[0].gtid')
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"GTID"
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SELECT JSON_CONTAINS(@json_doc, '"REPEATABLE READ"', '$[0].isolation');
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JSON_CONTAINS(@json_doc, '"REPEATABLE READ"', '$[0].isolation')
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1
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SELECT JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0].statements_executed[0]'));
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JSON_KEYS(JSON_EXTRACT(@json_doc, '$[0].statements_executed[0]'))
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["time", "schema", "sql_text", "rows_sent", "sort_rows", "tmp_tables", "rows_affected", "rows_examined", "tmp_disk_tables", "sort_merge_passes"]
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SELECT JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].statements_executed[0].time');
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JSON_CONTAINS_PATH(@json_doc, 'one', '$[0].statements_executed[0].time')
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1
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SELECT JSON_CONTAINS(@json_doc, '"INSERT INTO info VALUES (1, \'foo\')"', '$[0].statements_executed[0].sql_text');
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JSON_CONTAINS(@json_doc, '"INSERT INTO info VALUES (1, \'foo\')"', '$[0].statements_executed[0].sql_text')
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1
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SELECT JSON_CONTAINS(@json_doc, '"trx"', '$[0].statements_executed[0].schema');
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JSON_CONTAINS(@json_doc, '"trx"', '$[0].statements_executed[0].schema')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_examined');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_examined')
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1
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SELECT JSON_CONTAINS(@json_doc, '1', '$[0].statements_executed[0].rows_affected');
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JSON_CONTAINS(@json_doc, '1', '$[0].statements_executed[0].rows_affected')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_sent');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].rows_sent')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_tables');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_tables')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_disk_tables');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].tmp_disk_tables')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_rows');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_rows')
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1
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SELECT JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_merge_passes');
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JSON_CONTAINS(@json_doc, '0', '$[0].statements_executed[0].sort_merge_passes')
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1
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SELECT JSON_CONTAINS(@json_doc, '"COMMIT"', '$[0].statements_executed[1].sql_text');
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JSON_CONTAINS(@json_doc, '"COMMIT"', '$[0].statements_executed[1].sql_text')
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1
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SET @sys.ps_thread_trx_info.max_length = 100;
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SELECT sys.ps_thread_trx_info(@ps_thread_id);
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sys.ps_thread_trx_info(@ps_thread_id)
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{ "error": "Trx info truncated: Row 1X was cut by GROUP_CONCAT()" }
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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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JSON_VALID(sys.ps_thread_trx_info(@ps_thread_id))
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1
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DROP DATABASE trx;
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