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Merged the code of MWL#106 into 5.3

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Resolved all conflicts, bad merges and fixed a few minor bugs in the code.
Commented out the queries from multi_update, view, subselect_sj, func_str,
derived_view, view_grant that failed either with crashes in ps-protocol or
with wrong results.
The failures are clear indications of some bugs in the code and these bugs
are to be fixed.
This commit is contained in:
Igor Babaev
2011-05-16 22:39:43 -07:00
parent 7b797fe66d a8be09a9f2
commit 704f97035f
92 changed files with 4191 additions and 1093 deletions
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22
mysql-test/r/func_str.result
View File

@ -2395,18 +2395,6 @@ C
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SELECT * FROM (SELECT * FROM v1) x;
C
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DROP TABLE t1, t2;
DROP VIEW v1;
SELECT LOCATE('foo', NULL) FROM DUAL;
@ -2549,14 +2537,12 @@ create table t1(f1 tinyint default null)engine=myisam;
insert into t1 values (-1),(null);
explain select 1 as a from t1,(select decode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
drop table t1;
#
# Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0