69 lines
2.3 KiB
SQL
69 lines
2.3 KiB
SQL
# This include file checks that the function statement_digest() and
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# performance_schema produce the same digests.
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#
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# - $compare_digests_fn is the function called.
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#
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# - $compare_digests_query - is what the function is called with.
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#
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# - $compare_digests_pfs_query is executed and its digest picked up from
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# performance_schema.
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#
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# - $compare_digests_pfs_column is the column that is compared with the result
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# of the function.
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#
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# Only single quotes may be used in the queries.
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--disable_query_log
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SELECT enabled INTO @original_setting
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FROM performance_schema.setup_consumers
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WHERE NAME = 'statements_digest';
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UPDATE performance_schema.setup_consumers
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SET enabled = 'NO'
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WHERE NAME = 'statements_digest';
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# We inactivate statement digests in performance_schema before calling
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# statement_digest(), as the function should work anyway.
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eval SET @the_digest =
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$compare_digests_fn( "$compare_digests_query" );
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--enable_query_log
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--disable_query_log
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UPDATE performance_schema.setup_consumers
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SET enabled = 'YES'
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WHERE NAME = 'statements_digest';
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eval SET @ps_protocol = $PS_PROTOCOL;
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--enable_query_log
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--eval $compare_digests_pfs_query
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# We do the conversion to 'utf8' (in fact UTF-8 mb3) here for the few cases
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# when the SQL text is UTF-8 mb4. For all other cases, this conversion
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# doesn't change anything as long as we use UTF-8.
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#
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# We're doing a little trick if the test runs under --ps-protocol. In this
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# case the digests won't match up, obviously, since the queries aren't parsed
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# normally and hence aren't in performance_schema. In this case we just answer
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# 'YES'. Even if we don't get any useful result, it is still necessary to run
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# the tests to check for assertions.
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eval
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SELECT digest_text, IF( @the_digest = $compare_digests_pfs_column, 'YES', 'NO' )
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AS digest_is_correct
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FROM performance_schema.events_statements_history
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WHERE sql_text = convert( "$compare_digests_pfs_query" USING utf8 )
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UNION
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SELECT statement_digest_text( "$compare_digests_pfs_query" ), 'YES'
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FROM (SELECT 1) a1 JOIN (SELECT @ps_protocol) a2;
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--disable_query_log
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UPDATE performance_schema.setup_consumers
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SET enabled = @original_setting
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WHERE NAME = 'statements_digest';
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--enable_query_log
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--let $compare_digests_fn=
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--let $compare_digests_query=
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--let $compare_digests_pfs_query=
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--let $compare_digests_pfs_column=
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