Merge next-4284 -> next-4284-merge
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commit
f750b5f160
@ -1522,3 +1522,23 @@ HANDLER t2 READ FIRST;
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HANDLER t2 CLOSE;
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HANDLER t2 CLOSE;
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DROP TABLE t1, t2;
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DROP TABLE t1, t2;
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--echo #
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--echo # Bug#50912 Assertion `ticket->m_type >= mdl_request->type'
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--echo # failed on HANDLER + I_S
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--echo #
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1 (id INT);
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HANDLER t1 OPEN;
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# This used to trigger the assert.
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SELECT table_name, table_comment FROM information_schema.tables
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WHERE table_schema= 'test' AND table_name= 't1';
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HANDLER t1 CLOSE;
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DROP TABLE t1;
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@ -1476,3 +1476,16 @@ HANDLER t2 READ FIRST;
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i
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i
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HANDLER t2 CLOSE;
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HANDLER t2 CLOSE;
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DROP TABLE t1, t2;
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DROP TABLE t1, t2;
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#
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# Bug#50912 Assertion `ticket->m_type >= mdl_request->type'
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# failed on HANDLER + I_S
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#
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (id INT);
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HANDLER t1 OPEN;
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SELECT table_name, table_comment FROM information_schema.tables
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WHERE table_schema= 'test' AND table_name= 't1';
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table_name table_comment
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t1
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HANDLER t1 CLOSE;
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DROP TABLE t1;
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@ -1474,6 +1474,19 @@ i
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HANDLER t2 CLOSE;
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HANDLER t2 CLOSE;
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DROP TABLE t1, t2;
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DROP TABLE t1, t2;
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#
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#
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# Bug#50912 Assertion `ticket->m_type >= mdl_request->type'
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# failed on HANDLER + I_S
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#
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (id INT);
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HANDLER t1 OPEN;
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SELECT table_name, table_comment FROM information_schema.tables
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WHERE table_schema= 'test' AND table_name= 't1';
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table_name table_comment
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t1
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HANDLER t1 CLOSE;
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DROP TABLE t1;
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#
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# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash
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# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash
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#
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#
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CREATE TABLE t1 AS SELECT 1 AS f1;
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CREATE TABLE t1 AS SELECT 1 AS f1;
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@ -1261,7 +1261,7 @@ MDL_context::try_acquire_lock(MDL_request *mdl_request)
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if ((ticket= find_ticket(mdl_request, &is_transactional)))
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if ((ticket= find_ticket(mdl_request, &is_transactional)))
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{
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{
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DBUG_ASSERT(ticket->m_lock);
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DBUG_ASSERT(ticket->m_lock);
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DBUG_ASSERT(ticket->m_type >= mdl_request->type);
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DBUG_ASSERT(ticket->has_stronger_or_equal_type(mdl_request->type));
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/*
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/*
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If the request is for a transactional lock, and we found
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If the request is for a transactional lock, and we found
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a transactional lock, just reuse the found ticket.
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a transactional lock, just reuse the found ticket.
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@ -1349,7 +1349,7 @@ MDL_context::clone_ticket(MDL_request *mdl_request)
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return TRUE;
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return TRUE;
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/* clone() is not supposed to be used to get a stronger lock. */
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/* clone() is not supposed to be used to get a stronger lock. */
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DBUG_ASSERT(ticket->m_type <= mdl_request->ticket->m_type);
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DBUG_ASSERT(mdl_request->ticket->has_stronger_or_equal_type(ticket->m_type));
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ticket->m_lock= mdl_request->ticket->m_lock;
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ticket->m_lock= mdl_request->ticket->m_lock;
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mdl_request->ticket= ticket;
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mdl_request->ticket= ticket;
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