Aleksey Midenkov e1e1e50bba MDEV-35343 DML debug logging ...

Usage:

mtr --mysqld=--debug=d,dml,query:i:o,/tmp/dml.log

Example output:

T@6    : dispatch_command: query: insert into t1 values ('a')
T@6    : handler::ha_write_row: exit: INSERT: t1(a) = 0
T@6    : dispatch_command: query: alter ignore table t1 add unique index (data)
T@6    : handler::ha_write_row: exit: INSERT: t1(a) = 0
T@6    : dispatch_command: query: alter ignore table t1 add unique index (data)
T@6    : handler::ha_write_row: exit: INSERT: t1(a) = 0

T@6    : dispatch_command: query: replace into t1 values ('b'), ('c'), ('a'), ('b')
T@6    : handler::ha_write_row: exit: INSERT: t1(b) = 0
T@6    : handler::ha_write_row: exit: INSERT: t1(c) = 0
T@6    : handler::ha_write_row: exit: INSERT: t1(a) = 121
T@6    : write_record: exit: DELETE: t1(a) = 0
T@6    : handler::ha_write_row: exit: INSERT: t1(a) = 0
T@6    : handler::ha_write_row: exit: INSERT: t1(b) = 121
T@6    : write_record: exit: DELETE: t1(b) = 0
T@6    : handler::ha_write_row: exit: INSERT: t1(b) = 0

2025-01-14 18:56:13 +03:00

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