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Removed "<select expression> INTO <destination>" deprication.

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This was done after discussions with Igor, Sanja and Bar.

The main reason for removing the deprication was to ensure that MariaDB
is always backward compatible whenever possible.

Other things:
- Added statistics counters, mainly for the feedback plugin.
  - INTO OUTFILE
  - INTO variable
  - If INTO is using the old syntax (end of query)
This commit is contained in:
Monty
2022-12-12 20:06:32 +02:00
committed by Sergei Petrunia
parent b74d2623eb
commit 1f4a9f086a
86 changed files with 65 additions and 726 deletions
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8
mysql-test/main/union.result
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@ -1541,8 +1541,6 @@ NULL
(select 2) union (select 1 into @var);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'into @var)' at line 1
(select 1) union (select 1) into @var;
Warnings:
Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
(select 2) union (select 1) into @var;
ERROR 42000: Result consisted of more than one row
CREATE TABLE t1 (a int);
@ -1675,14 +1673,8 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
SELECT a FROM t1 UNION SELECT a INTO OUTFILE 'union.out.file6' FROM t1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FROM t1' at line 1
SELECT a FROM t1 UNION SELECT a FROM t1 INTO @v ;
Warnings:
Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
SELECT a FROM t1 UNION SELECT a FROM t1 INTO OUTFILE 'union.out.file5';
Warnings:
Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
SELECT a FROM t1 UNION SELECT a FROM t1 INTO OUTFILE 'union.out.file6';
Warnings:
Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
SELECT a INTO @v FROM t1 UNION SELECT a FROM t1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT a FROM t1' at line 1
SELECT a INTO OUTFILE 'union.out.file7' FROM t1 UNION SELECT a FROM t1;