func_op.result
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
- 1+1 1-1 1+1*2 8/5 8%5 mod(8,5) mod(8,5)|0 -(1+1)*-2
- 2 0 3 1.60 3 3 3 4
- explain extended select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
- Warnings:
- Note 1003 select (1 + 1) AS `1+1`,(1 - 1) AS `1-1`,(1 + (1 * 2)) AS `1+1*2`,(8 / 5) AS `8/5`,(8 % 5) AS `8%5`,(8 % 5) AS `mod(8,5)`,((8 % 5) | 0) AS `mod(8,5)|0`,(-((1 + 1)) * -(2)) AS `-(1+1)*-2`
- select 1 | (1+1),5 & 3,bit_count(7) ;
- 1 | (1+1) 5 & 3 bit_count(7)
- 3 1 3
- explain extended select 1 | (1+1),5 & 3,bit_count(7) ;
- id select_type table type possible_keys key key_len ref rows Extra
- 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
- Warnings:
- Note 1003 select (1 | (1 + 1)) AS `1 | (1+1)`,(5 & 3) AS `5 & 3`,bit_count(7) AS `bit_count(7)`
- select 1 << 32,1 << 63, 1 << 64, 4 >> 2, 4 >> 63, 1<< 63 >> 60;
- 1 << 32 1 << 63 1 << 64 4 >> 2 4 >> 63 1<< 63 >> 60
- 4294967296 9223372036854775808 0 1 0 8
- select -1 | 0, -1 ^ 0, -1 & 0;
- -1 | 0 -1 ^ 0 -1 & 0
- 18446744073709551615 18446744073709551615 0
- select -1 | 1, -1 ^ 1, -1 & 1;
- -1 | 1 -1 ^ 1 -1 & 1
- 18446744073709551615 18446744073709551614 1
- select 1 | -1, 1 ^ -1, 1 & -1;
- 1 | -1 1 ^ -1 1 & -1
- 18446744073709551615 18446744073709551614 1
- select 0 | -1, 0 ^ -1, 0 & -1;
- 0 | -1 0 ^ -1 0 & -1
- 18446744073709551615 18446744073709551615 0
- select -1 >> 0, -1 << 0;
- -1 >> 0 -1 << 0
- 18446744073709551615 18446744073709551615
- select -1 >> 1, -1 << 1;
- -1 >> 1 -1 << 1
- 9223372036854775807 18446744073709551614