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MDEV-13417 UPDATE produces wrong values if an updated column is later used as an update source

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Standard compatible behavior for UPDATE: all assignments in SET
are executed "simultaneously", not left-to-right. And `SET a=b,b=a`
will swap the values.
This commit is contained in:
Jerome Brauge
2018-01-29 16:53:39 +01:00
committed by Sergei Golubchik
parent 355ee6877b
commit d943d7f712
29 changed files with 566 additions and 76 deletions
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4
mysql-test/suite/compat/oracle/r/sp.result
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@ -8,7 +8,7 @@ END;
/
SHOW CREATE FUNCTION f1;
Function f1
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
Create Function CREATE DEFINER="root"@"localhost" FUNCTION "f1"() RETURN int(11)
AS
BEGIN
@ -29,7 +29,7 @@ END;
/
SHOW CREATE PROCEDURE p1;
Procedure p1
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
Create Procedure CREATE DEFINER="root"@"localhost" PROCEDURE "p1"()
AS
BEGIN