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2b720487f0
Do not issue a 'read-only' error in case of DROP TEMPORARY TABLE on a non-existing temporary table. Instead produce the correct "Unknown table" error or warning (in cases when the IF EXISTS clause was specified). To a documentor: the part of the manual describing the 'read_only' system variable should be clarified to state the following: "When the read_only variable is set to ON, all operations which create/update/drop tables are rejected with the exceptions for: 1. Any operation performed by the replication thread on a slave server 2. Any operation performed by a user that have the SUPER privilege 3. Any operation that creates/updates/drops only temporary tables" mysql-test/r/read_only.result: Added testcases for bug #22077 "DROP TEMPORARY TABLE fails with wrong error if read_only is set" mysql-test/t/read_only.test: Added testcases for bug #22077 "DROP TEMPORARY TABLE fails with wrong error if read_only is set" sql/sql_parse.cc: Before issuing the 'read-only' error also check if the operation is not a DROP TEMPORARY TABLE statement
49 lines
2 KiB
Text
49 lines
2 KiB
Text
DROP TABLE IF EXISTS t1,t2,t3;
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grant CREATE, SELECT, DROP on *.* to test@localhost;
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set global read_only=0;
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create table t1 (a int);
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insert into t1 values(1);
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create table t2 select * from t1;
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set global read_only=1;
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create table t3 (a int);
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drop table t3;
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select @@global.read_only;
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@@global.read_only
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1
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create table t3 (a int);
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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insert into t1 values(1);
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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update t1 set a=1 where 1=0;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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update t1,t2 set t1.a=t2.a+1 where t1.a=t2.a;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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delete t1,t2 from t1,t2 where t1.a=t2.a;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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create temporary table t3 (a int);
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create temporary table t4 (a int) select * from t3;
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insert into t3 values(1);
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insert into t4 select * from t3;
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update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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update t1,t3 set t3.a=t1.a+1 where t1.a=t3.a;
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update t4,t3 set t4.a=t3.a+1 where t4.a=t3.a;
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delete t1 from t1,t3 where t1.a=t3.a;
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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delete t3 from t1,t3 where t1.a=t3.a;
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delete t4 from t3,t4 where t4.a=t3.a;
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create temporary table t1 (a int);
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insert into t1 values(1);
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update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
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delete t1 from t1,t3 where t1.a=t3.a;
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drop table t1;
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insert into t1 values(1);
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ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
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drop temporary table ttt;
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ERROR 42S02: Unknown table 'ttt'
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drop temporary table if exists ttt;
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Warnings:
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Note 1051 Unknown table 'ttt'
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drop table t1,t2;
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drop user test@localhost;
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set global read_only=0;
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