31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
#
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# Bug#26322203 - SHOW FIELDS FROM A VALID VIEW FAILS WITH AN INVALID VIEW ERROR
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#
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CREATE TABLE t1 (f1 int);
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CREATE VIEW v1 AS SELECT * FROM t1;
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# Wait after listing view "v1" referencing table "t1" for state update.
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SET DEBUG_SYNC="after_preparing_view_tables_list SIGNAL alter_view WAIT_FOR go";
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DROP TABLE t1;;
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connect con1, localhost, root,,;
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SET DEBUG_SYNC='now WAIT_FOR alter_view';
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# Before state of the view v1 is updated ALTER view so that v1 is no more
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# dependent on the table t1 being dropped.
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ALTER VIEW v1 AS select 13;
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SET DEBUG_SYNC='now SIGNAL go';
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connection default;
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# Without fix even if v1 is not dependent table/view or stored function
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# being dropped because of concurrent DDL operation on the view v1, state
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# of the view is updated as invalid.
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#
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# With fix, while updating view state if view is no more dependent on
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# the object being dropped then view state is *not* updated.
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FLUSH TABLES;
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# Without fix, SHOW FIELDS from valid view "v1" reports invalid view error.
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SHOW FIELDS FROM v1;
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Field Type Null Key Default Extra
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13 int(2) NO 0
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connection default;
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SET DEBUG_SYNC='RESET';
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DROP VIEW v1;
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disconnect con1;
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