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When the IO thread (re)connect to a primary, no updates are available besides unique errors that cause the failure. These new `Master_info` numbers supplement SHOW SLAVE STATUS’s (most- recent) ‘Connecting’ state with statistics on (re)connect attempts: * `Connects_Tried`: how many retries have been attempted so far This was previously a local variable that only counted re-attempts; it’s now meaningful even after the “Connecting” state concludes. * `Master_Retry_Count` (from MDEV-25674): out of how many configured Side-note: Some of the tests updated by this commit dump the entire SHOW SLAVE STATUS, which might include non-deterministic entries. Reviewed-by: Kristian Nielsen <knielsen@knielsen-hq.org>
27 lines
1.3 KiB
Text
27 lines
1.3 KiB
Text
--source include/have_binlog_format_mixed.inc
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--source include/master-slave.inc
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--echo *
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--echo * The purpose of this test is to prevent incorrect additions to SHOW
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--echo * SLAVE STATUS, which has happened several times in the past.
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--echo *
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--echo * We must never, _ever_, add extra rows to this output of SHOW SLAVE
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--echo * STATUS, except at the very end, as this breaks backwards compatibility
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--echo * with applications or scripts that parse the output. This also means that
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--echo * we cannot add _any_ new rows in a GA version if a different row was
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--echo * already added in a later MariaDB version, as this would make it impossible
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--echo * to merge the change up while preserving the order of rows.
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--echo *
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--connection slave
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--replace_column 1 # 2 # 3 # 4 # 5 # 6 # 7 # 8 # 9 # 10 # 11 # 12 # 13 # 14 # 15 # 16 # 17 # 18 # 19 # 20 # 21 # 22 # 23 # 24 # 25 # 26 # 27 # 28 # 29 # 30 # 31 # 32 # 33 # 34 # 35 # 36 # 37 # 38 # 39 # 40 # 41 # 42 # 43 # 44 # 45 # 46 # 47 # 48 # 49 # 50 # 51 # 52 # 53 # 54 # 55 # 56 #
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query_vertical
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SHOW SLAVE STATUS;
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--echo *
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--echo * When modifying this test after adding a column to SHOW SLAVE STATUS,
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--echo * _only_ additions at the end are allowed, the column number of existing
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--echo * columns must _not_ change!
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--echo *
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--source include/rpl_end.inc
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