1select 1 + "2 a";
21 + "2 a"
33
4Warnings:
5Warning	1292	Truncated incorrect DOUBLE value: '2 a'
6create table t (a int primary key, b blob default '');
7select a, (2*a) AS a from t group by a;
8a	a
9Warnings:
10Warning	1052	Column 'a' in group statement is ambiguous
11drop table t;
12select 1 + "2 a";
131 + "2 a"
143
15Warnings:
16Warning	1292	Truncated incorrect DOUBLE value: '2 a'
17create table t (a int primary key, b blob default '');
18select a, (2*a) AS a from t group by a;
19a	a
20Warnings:
21Warning	1052	Column 'a' in group statement is ambiguous
22Warning	1052	Column 'a' in group statement is ambiguous
23drop table t;
24select 1 + "2 a";
251 + "2 a"
263
27Warnings:
28Warning	1292	Truncated incorrect DOUBLE value: '2 a'
29create table t (a int primary key, b blob default '');
30select a, (2*a) AS a from t group by a;
31a	a
32Warnings:
33Warning	1052	Column 'a' in group statement is ambiguous
34drop table t;
35