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9bd3b8545a
If setting a system-variable provided by a plug-in failed, no OK or error was sent in some cases, hanging the client. We now send an error in the case from the ticket (integer-argument out of range in STRICT mode). We also provide a semi-generic fallback message for possible future cases like this where an error is signalled, but no message is sent to the client. The error/warning handling is unified so it's the same again for variables provided by plugins and those in the server proper. mysql-test/r/plugin.result: show that on out-of-range values, plugin interface throws errors in STRICT mode and warnings otherwise. mysql-test/t/plugin.test: show that on out-of-range values, plugin interface throws errors in STRICT mode and warnings otherwise. sql/set_var.cc: - handle signedness of values used in warnings - in STRICT mode, throw errors rather than warnings sql/sql_parse.cc: If sql_set_variables() returns with an error but no message was sent to the client, send a semi-generic one so the session won't hang and we won't fail silently. sql/sql_plugin.cc: throw a warning if more than just block-size was corrected (or an error in STRICT mode). use functions from set_var for uniform behaviour of server- and plug-in variables. storage/example/ha_example.cc: Add a ULONG system variable to example plugin so we can test integers in the plugin-interface without having to depend on the presence of innobase.
57 lines
1.8 KiB
Plaintext
57 lines
1.8 KiB
Plaintext
CREATE TABLE t1(a int) ENGINE=EXAMPLE;
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Warnings:
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Warning 1286 Unknown table engine 'EXAMPLE'
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Warning 1266 Using storage engine MyISAM for table 't1'
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DROP TABLE t1;
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INSTALL PLUGIN example SONAME 'ha_example.so';
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INSTALL PLUGIN EXAMPLE SONAME 'ha_example.so';
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ERROR HY000: Function 'EXAMPLE' already exists
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UNINSTALL PLUGIN example;
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INSTALL PLUGIN example SONAME 'ha_example.so';
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CREATE TABLE t1(a int) ENGINE=EXAMPLE;
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SELECT * FROM t1;
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a
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DROP TABLE t1;
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UNINSTALL PLUGIN example;
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UNINSTALL PLUGIN EXAMPLE;
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ERROR 42000: PLUGIN EXAMPLE does not exist
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UNINSTALL PLUGIN non_exist;
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ERROR 42000: PLUGIN non_exist does not exist
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#
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# Bug#32034: check_func_enum() does not check correct values but set it
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# to impossible int val
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#
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INSTALL PLUGIN example SONAME 'ha_example.so';
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SET GLOBAL example_enum_var= e1;
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SET GLOBAL example_enum_var= e2;
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SET GLOBAL example_enum_var= impossible;
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ERROR 42000: Variable 'enum_var' can't be set to the value of 'impossible'
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UNINSTALL PLUGIN example;
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INSTALL PLUGIN example SONAME 'ha_example.so';
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select @@session.sql_mode into @old_sql_mode;
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set session sql_mode='';
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set global example_ulong_var=500;
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select @@global.example_ulong_var;
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@@global.example_ulong_var
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500
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set global example_ulong_var=1111;
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Warnings:
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Warning 1292 Truncated incorrect ulong_var value: '1111'
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select @@global.example_ulong_var;
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@@global.example_ulong_var
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1000
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set session sql_mode='STRICT_ALL_TABLES';
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set global example_ulong_var=500;
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select @@global.example_ulong_var;
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@@global.example_ulong_var
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500
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set global example_ulong_var=1111;
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ERROR 42000: Variable 'ulong_var' can't be set to the value of '1111'
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select @@global.example_ulong_var;
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@@global.example_ulong_var
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500
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set session sql_mode=@old_sql_mode;
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set session old=bla;
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ERROR HY000: Variable 'old' is a read only variable
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UNINSTALL PLUGIN example;
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