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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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16
mysql-test/suite/sys_vars/r/sql_mode_basic.result
View File

@ -158,7 +158,7 @@ MYSQL40,HIGH_NOT_PRECEDENCE
SET @@global.sql_mode = ORACLE;
SELECT @@global.sql_mode;
@@global.sql_mode
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
SET @@global.sql_mode = POSTGRESQL;
SELECT @@global.sql_mode;
@@global.sql_mode
@ -288,7 +288,7 @@ MYSQL40,HIGH_NOT_PRECEDENCE
SET @@session.sql_mode = ORACLE;
SELECT @@session.sql_mode;
@@session.sql_mode
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
SET @@session.sql_mode = POSTGRESQL;
SELECT @@session.sql_mode;
@@session.sql_mode
@ -357,17 +357,17 @@ REAL_AS_FLOAT,PIPES_AS_CONCAT
SET @@global.sql_mode = 50000;
SELECT @@global.sql_mode;
@@global.sql_mode
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,NO_UNSIGNED_SUBTRACTION,POSTGRESQL,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,NO_UNSIGNED_SUBTRACTION,POSTGRESQL,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
SET @@global.sql_mode = 500000;
SELECT @@global.sql_mode;
@@global.sql_mode
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,POSTGRESQL,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,HIGH_NOT_PRECEDENCE
SET @@global.sql_mode = 8589934591;
SET @@global.sql_mode = 17179869183;
SELECT @@global.sql_mode;
@@global.sql_mode
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH,EMPTY_STRING_IS_NULL
SET @@global.sql_mode = 8589934592;
ERROR 42000: Variable 'sql_mode' can't be set to the value of '8589934592'
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH,EMPTY_STRING_IS_NULL,SIMULTANEOUS_ASSIGNMENT
SET @@global.sql_mode = 17179869184;
ERROR 42000: Variable 'sql_mode' can't be set to the value of '17179869184'
SET @@global.sql_mode = 0.4;
ERROR 42000: Incorrect argument type to variable 'sql_mode'
'#---------------------FN_DYNVARS_152_08----------------------#'
@ -397,7 +397,7 @@ ANSI_QUOTES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,A
SET @@global.sql_mode = 'ONLY_FULL_GROUP_BY,PIPES_AS_CONCAT,REAL_AS_FLOAT,ORACLE,POSTGRESQL';
SELECT @@global.sql_mode;
@@global.sql_mode
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,POSTGRESQL,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,POSTGRESQL,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER,SIMULTANEOUS_ASSIGNMENT
SET @@session.sql_mode = 'ERROR_FOR_DIVISION_BY_ZERO,FOOBAR,IGNORE_SPACE';
ERROR 42000: Variable 'sql_mode' can't be set to the value of 'FOOBAR'
SET @@sql_mode=',';