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129 lines
4.6 KiB
PHP
129 lines
4.6 KiB
PHP
# Example how to use this auxiliary script
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#-----------------------------------------
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#
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### The table/tables used in $part must have the right content.
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### $title_prefix is used for the generation of titles
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#
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# let $title_prefix= 4.3;
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### $check_num is used for the generation of titles and gets incremented after
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### every call of the current script.
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# let $check_num= 1;
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### $diff_column_list is used for the generation of error information and valid for
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### every sub test.
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# let $diff_column_list=
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# t2.COUNT_READ - t1.COUNT_READ AS D_COUNT_READ,
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# t2.COUNT_READ AS S2_COUNT_READ,
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# t1.COUNT_READ AS S1_COUNT_READ,
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# t2.SUM_NUMBER_OF_BYTES_READ - t1.SUM_NUMBER_OF_BYTES_READ AS D_SUM_NUMBER_OF_BYTES_READ,
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# t2.SUM_NUMBER_OF_BYTES_READ AS S2_SUM_NUMBER_OF_BYTES_READ,
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# t1.SUM_NUMBER_OF_BYTES_READ AS S1_SUM_NUMBER_OF_BYTES_READ,
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# t2.COUNT_WRITE - t1.COUNT_WRITE AS D_COUNT_WRITE,
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# t2.COUNT_WRITE AS S2_COUNT_WRITE,
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# t1.COUNT_WRITE AS S1_COUNT_WRITE,
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# t2.SUM_NUMBER_OF_BYTES_WRITE - t1.SUM_NUMBER_OF_BYTES_WRITE AS D_UM_NUMBER_OF_BYTES_WRITE,
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# t2.SUM_NUMBER_OF_BYTES_WRITE AS S2_SUM_NUMBER_OF_BYTES_WRITE,
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# t1.SUM_NUMBER_OF_BYTES_WRITE AS S1_SUM_NUMBER_OF_BYTES_WRITE,
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# t2.COUNT_MISC - t1.COUNT_MISC AS D_COUNT_MISC,
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# t2.COUNT_MISC AS S2_COUNT_MISC,
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# t1.COUNT_MISC AS S1_COUNT_MISC;
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### $part is used for the generation of "check" statements + error information
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### and valid for every sub test.
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# let $part=
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# FROM mysqltest.socket_summary_by_instance_detail t1
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# JOIN mysqltest.socket_summary_by_instance_detail t2
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# USING (EVENT_NAME, OBJECT_INSTANCE_BEGIN, run)
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# WHERE OBJECT_INSTANCE_BEGIN <> @default_object_instance_begin
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# AND EVENT_NAME LIKE ('%client_connection')
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# AND run = 1;
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#
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# --echo # $title_prefix Check the differences caused by SQL statement
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#
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# let stmt1= SELECT col2 FROM does_not_exist;
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# let stmt2= SELECT col2 FROM does_not_exist WHERE col1 = 0;
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### $msg is used to generate some explanation of what we compare.
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# let $msg=
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# # One statement is longer than the other.
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# # Both statements fail with the same error message (table does not exist);
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# let $my_rules=
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# t2.COUNT_READ - t1.COUNT_READ = 0 AND
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# t2.SUM_NUMBER_OF_BYTES_READ - t1.SUM_NUMBER_OF_BYTES_READ = LENGTH('$stmt2') - LENGTH('$stmt1') AND
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# t2.COUNT_WRITE - t1.COUNT_WRITE = 0 AND
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# t2.SUM_NUMBER_OF_BYTES_WRITE - t1.SUM_NUMBER_OF_BYTES_WRITE = 0 AND
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# t2.COUNT_MISC - t1.COUNT_MISC = 0;
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# --source ../include/socket_check1.inc
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#
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# let stmt1= ....
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# let stmt2= ....
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# let $my_rules= ...
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# --source ../include/socket_check1.inc
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#
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# ...
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#
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--echo # $title_prefix.$check_num Compare impact of statements
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--echo # $stmt2
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--echo # $stmt1
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--echo $msg
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# Enable this when extending the checks for SQL statements.
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if(0)
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{
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if (`SELECT CONCAT("$stmt1","$stmt2","$my_rules") LIKE '%_not_set%'`)
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{
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--echo # INTERNAL ERROR:
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--echo # At least one of the variables has no value (is like '%_not_set')
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--echo # stmt1 : $stmt1
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--echo # stmt2 : $stmt2
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--echo # my_rules : $my_rules
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--echo # Sorry, have to abort
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exit;
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}
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}
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if(`SELECT NOT ( $my_rules )
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$part
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AND t2.statement = '$stmt2' AND t1.statement = '$stmt1'`)
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{
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--enable_query_log
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--enable_result_log
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--echo # The compared statistics looks suspicious
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--echo # We expect
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--echo $my_rules
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--echo
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--horizontal_results
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eval
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SELECT $my_rules AS Expect_1
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$part
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AND t2.statement = '$stmt2' AND t1.statement = '$stmt1';
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--echo
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--vertical_results
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eval
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SELECT $diff_column_list
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$part
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AND t1.statement = '$stmt1' AND t2.statement = '$stmt2';
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--echo
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--horizontal_results
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eval
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SELECT
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LPAD(COUNT_READ, 8, ' ') AS CNT_READ,
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LPAD(SUM_NUMBER_OF_BYTES_READ, 10,' ') AS BYTES_READ,
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LPAD(COUNT_WRITE,9, ' ') AS CNT_WRITE,
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LPAD(SUM_NUMBER_OF_BYTES_WRITE, 11,' ') AS BYTES_WRITE,
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LPAD(COUNT_MISC, 8, ' ') AS CNT_MISC, statement
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FROM mysqltest.socket_summary_by_instance_detail
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WHERE OBJECT_INSTANCE_BEGIN <> @default_object_instance_begin
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AND EVENT_NAME LIKE ('%client_connection')
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AND run = 1
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AND statement IN('$stmt2','$stmt1');
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let $print_details= 1;
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}
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# Initialize all variables which depend on the statements to be checked.
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# This prevents that we run with wrong data.
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let $stmt1= stmt1_not_set;
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let $stmt2= stmt2_not_set;
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let $my_rules= my_rules_not_set;
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let $msg= msg_not_set;
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inc $check_num;
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