初版
This commit is contained in:
root
482
build/lib/mysql/mysql-test/r/ps_ddl1.result
Normal file
482
build/lib/mysql/mysql-test/r/ps_ddl1.result
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drop temporary table if exists t1;
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drop table if exists t1, t2;
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drop procedure if exists p_verify_reprepare_count;
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drop procedure if exists p1;
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drop function if exists f1;
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drop view if exists t1;
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drop schema if exists mysqltest;
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create procedure p_verify_reprepare_count(expected int)
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begin
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declare old_reprepare_count int default @reprepare_count;
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select variable_value from
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information_schema.session_status where
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variable_name='com_stmt_reprepare'
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into @reprepare_count;
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if old_reprepare_count + expected <> @reprepare_count then
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select concat("Expected: ", expected,
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", actual: ", @reprepare_count - old_reprepare_count)
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as "ERROR";
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else
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select '' as "SUCCESS";
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end if;
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end|
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set @reprepare_count= 0;
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flush status;
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drop table if exists t1;
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# Column added or dropped is not within the list of selected columns
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# or table comment has changed.
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# A reprepare is probably not needed.
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create table t1 (a int, b int);
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prepare stmt from "select a from t1";
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execute stmt;
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a
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call p_verify_reprepare_count(0);
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SUCCESS
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alter table t1 add column c int;
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execute stmt;
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a
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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a
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call p_verify_reprepare_count(0);
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SUCCESS
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alter table t1 drop column b;
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execute stmt;
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a
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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a
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call p_verify_reprepare_count(0);
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SUCCESS
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alter table t1 comment "My best table";
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execute stmt;
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a
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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a
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call p_verify_reprepare_count(0);
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SUCCESS
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drop table t1;
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deallocate prepare stmt;
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# Selects using the table at various positions, inser,update ...
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# + the table disappears
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create table t1 (a int);
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prepare stmt1 from "truncate t1";
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prepare stmt2 from "select 1 as my_column from t1";
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prepare stmt3 from "select 1 as my_column from (select * from t1) as t2";
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prepare stmt4 from
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"select 1 as my_column from (select 1) as t2 where exists (select 1 from t1)";
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prepare stmt5 from "select * from (select 1 as b) as t2, t1";
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prepare stmt6 from "select * from t1 union all select 1.5";
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prepare stmt7 from "select 1 as my_column union all select 1 from t1";
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prepare stmt8 from "insert into t1 values(1),(2)";
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prepare stmt9 from "update t1 set a = 3 where a = 2";
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prepare stmt10 from "delete from t1 where a = 1";
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# Attention: Result logging is disabled.
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execute stmt10;
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execute stmt9;
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execute stmt8;
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execute stmt7;
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execute stmt6;
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execute stmt5;
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execute stmt4;
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execute stmt3;
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execute stmt2;
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execute stmt1;
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call p_verify_reprepare_count(0);
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SUCCESS
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drop table t1;
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execute stmt10;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt9;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt8;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt7;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt6;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt5;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt4;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt3;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt2;
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ERROR 42S02: Table 'test.t1' doesn't exist
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execute stmt1;
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ERROR 42S02: Table 'test.t1' doesn't exist
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call p_verify_reprepare_count(0);
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SUCCESS
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deallocate prepare stmt10;
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deallocate prepare stmt9;
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deallocate prepare stmt8;
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deallocate prepare stmt7;
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deallocate prepare stmt6;
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deallocate prepare stmt5;
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deallocate prepare stmt4;
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deallocate prepare stmt3;
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deallocate prepare stmt2;
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deallocate prepare stmt1;
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# Selects using the table at various positions, inser,update ...
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# + layout change (drop column) which must cause a reprepare
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create table t1 (a int, b int);
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insert into t1 values(1,1),(2,2),(3,3);
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create table t2 like t1;
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insert into t1 values(2,2);
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prepare stmt1 from "select a,b from t1";
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prepare stmt2 from "select a,b from (select * from t1) as t1";
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prepare stmt3 from "select * from t1 where a = 2 and b = 2";
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prepare stmt4 from "select * from t2 where (a,b) in (select * from t1)";
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prepare stmt5 from "select * from t1 union select * from t2";
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prepare stmt6 from "select * from t1 union all select * from t2";
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prepare stmt7 from "insert into t1 set a = 4, b = 4";
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prepare stmt8 from "insert into t1 select * from t2";
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# Attention: Result logging is disabled.
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execute stmt8;
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execute stmt7;
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execute stmt6;
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execute stmt5;
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execute stmt4;
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execute stmt3;
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execute stmt2;
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execute stmt1;
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call p_verify_reprepare_count(0);
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SUCCESS
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alter table t1 drop column b;
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execute stmt8;
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ERROR 21S01: Column count doesn't match value count at row 1
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt7;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt6;
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ERROR 21000: The used SELECT statements have a different number of columns
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt5;
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ERROR 21000: The used SELECT statements have a different number of columns
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt4;
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ERROR 21000: Operand should contain 2 column(s)
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt3;
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ERROR 42S22: Unknown column 'b' in 'where clause'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt2;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt1;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt8;
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ERROR 21S01: Column count doesn't match value count at row 1
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call p_verify_reprepare_count(1);
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ERROR
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Expected: 1, actual: 0
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execute stmt7;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt6;
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ERROR 21000: The used SELECT statements have a different number of columns
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt5;
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ERROR 21000: The used SELECT statements have a different number of columns
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt4;
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ERROR 21000: Operand should contain 2 column(s)
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt3;
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ERROR 42S22: Unknown column 'b' in 'where clause'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt2;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt1;
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ERROR 42S22: Unknown column 'b' in 'field list'
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call p_verify_reprepare_count(1);
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SUCCESS
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# Why does the INSERT ... SELECT does not get a reprepare or is
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# only the counter not incremented?
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execute stmt8;
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ERROR 21S01: Column count doesn't match value count at row 1
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call p_verify_reprepare_count(1);
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ERROR
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Expected: 1, actual: 0
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alter table t2 add column c int;
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execute stmt8;
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ERROR 21S01: Column count doesn't match value count at row 1
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call p_verify_reprepare_count(1);
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SUCCESS
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deallocate prepare stmt8;
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deallocate prepare stmt7;
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deallocate prepare stmt6;
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deallocate prepare stmt5;
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deallocate prepare stmt4;
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deallocate prepare stmt3;
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deallocate prepare stmt2;
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deallocate prepare stmt1;
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drop table t1;
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drop table t2;
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# select AVG(<col>) + optimizer uses index meets loss of the index
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create table t1 (a int, b int, primary key(b),unique index t1_unq_idx(a));
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insert into t1 set a = 0, b = 0;
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insert into t1 select a + 1, b + 1 from t1;
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insert into t1 select a + 2, b + 2 from t1;
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insert into t1 select a + 4, b + 4 from t1;
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insert into t1 select a + 8, b + 8 from t1;
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# Optimizer strategy: Possible keys = NULL , Extra = Using index
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prepare stmt from "select avg(a) from t1";
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(0);
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SUCCESS
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(0);
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SUCCESS
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alter table t1 drop index t1_unq_idx;
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# Optimizer strategy: Possible keys = NULL , Extra =
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(0);
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SUCCESS
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# select AVG(<col>) + optimizer uses table scan meets a new index
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alter table t1 add unique index t1_unq_idx(a);
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# Optimizer strategy: Possible keys = NULL , Extra = Using index
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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avg(a)
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7.5000
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call p_verify_reprepare_count(0);
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SUCCESS
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deallocate prepare stmt;
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drop table t1;
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# table replaced by not updatable view - Insert
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create table t1 (a int);
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prepare stmt from "insert into t1 values(1)";
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execute stmt;
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call p_verify_reprepare_count(0);
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SUCCESS
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drop table t1;
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create view t1 as select 1;
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execute stmt;
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ERROR HY000: The target table t1 of the INSERT is not insertable-into
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call p_verify_reprepare_count(1);
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SUCCESS
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drop view t1;
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create table t2 (a int);
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create view t1 as select * from t2 with check option;
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execute stmt;
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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1
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deallocate prepare stmt;
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drop view t1;
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drop table t2;
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=====================================================================
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Some freestyle tests
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=====================================================================
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create temporary table t1 as select 1 as a;
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create procedure p1()
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begin
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drop temporary table t1;
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end|
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create function f1() returns int
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begin
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call p1();
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return 1;
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end|
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prepare stmt from "select f1() as my_column, a from t1";
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execute stmt;
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ERROR HY000: Can't reopen table: 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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prepare stmt from "select a, f1() as my_column from t1";
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execute stmt;
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ERROR HY000: Can't reopen table: 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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prepare stmt from "select f1() as my_column, count(*) from t1";
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execute stmt;
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ERROR HY000: Can't reopen table: 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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prepare stmt from "select count(*), f1() as my_column from t1";
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execute stmt;
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ERROR HY000: Can't reopen table: 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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# Execute fails, no drop of temporary table
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prepare stmt from "select 1 as my_column from (select 1) as t2
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where exists (select f1() from t1)";
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execute stmt;
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my_column
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1
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call p_verify_reprepare_count(0);
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SUCCESS
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execute stmt;
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my_column
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1
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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# Execute drops temporary table
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prepare stmt from "select f1()";
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execute stmt;
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f1()
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1
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call p_verify_reprepare_count(0);
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SUCCESS
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execute stmt;
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ERROR 42S02: Unknown table 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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drop function f1;
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drop procedure p1;
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deallocate prepare stmt;
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# Execute fails, temporary table is not replaced by another
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create temporary table t1 as select 1 as a;
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create procedure p1()
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begin
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drop temporary table t1;
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create temporary table t1 as select 'abc' as a;
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end|
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create function f1() returns int
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begin
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call p1();
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return 1;
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end|
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prepare stmt from "select count(*), f1() as my_column from t1";
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execute stmt;
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ERROR HY000: Can't reopen table: 't1'
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call p_verify_reprepare_count(0);
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SUCCESS
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select * from t1;
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a
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1
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deallocate prepare stmt;
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prepare stmt from "call p1";
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execute stmt;
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drop procedure p1;
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create schema mysqltest;
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create procedure mysqltest.p1()
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begin
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drop schema mysqltest;
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create schema mysqltest;
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end|
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execute stmt;
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ERROR 42000: PROCEDURE test.p1 does not exist
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call p_verify_reprepare_count(1);
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SUCCESS
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execute stmt;
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ERROR 42000: PROCEDURE test.p1 does not exist
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call p_verify_reprepare_count(0);
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SUCCESS
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deallocate prepare stmt;
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drop schema mysqltest;
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drop temporary table t1;
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# Cleanup
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#
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drop temporary table if exists t1;
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drop table if exists t1, t2;
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drop procedure if exists p_verify_reprepare_count;
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drop procedure if exists p1;
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drop function if exists f1;
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drop view if exists t1;
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drop schema if exists mysqltest;
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