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Overview
| Comment: | Fix the encoding of some integers to use the minimum amount of space: -128, -32768, -8388608, -217483648, and -140737488355328. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 2d7c8da5f16e64eaa7b0c2d66898682e |
| User & Date: | drh 2014-11-20 02:58:10 |
Context
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2014-11-20
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| 15:30 | Ensure that when the number of cells on a page drops to zero that the freelist and fragment counter are both cleared. Also add evidence marks corresponding to file-format documentation. check-in: ef9fbc08 user: drh tags: trunk | |
| 02:58 | Fix the encoding of some integers to use the minimum amount of space: -128, -32768, -8388608, -217483648, and -140737488355328. check-in: 2d7c8da5 user: drh tags: trunk | |
| 02:18 | Add some requirements marks to the record formatting logic. Comment changes only - the code is unaltered. check-in: 9a9627e1 user: drh tags: trunk | |
Changes
Changes to src/vdbeaux.c.
2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 |
}
if( flags&MEM_Int ){
/* Figure out whether to use 1, 2, 4, 6 or 8 bytes. */
# define MAX_6BYTE ((((i64)0x00008000)<<32)-1)
i64 i = pMem->u.i;
u64 u;
if( i<0 ){
if( i<(-MAX_6BYTE) ) return 6;
/* Previous test prevents: u = -(-9223372036854775808) */
u = -i;
}else{
u = i;
}
if( u<=127 ){
return ((i&1)==i && file_format>=4) ? 8+(u32)u : 1;
}
if( u<=32767 ) return 2;
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< < | |
2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 |
}
if( flags&MEM_Int ){
/* Figure out whether to use 1, 2, 4, 6 or 8 bytes. */
# define MAX_6BYTE ((((i64)0x00008000)<<32)-1)
i64 i = pMem->u.i;
u64 u;
if( i<0 ){
u = ~i;
}else{
u = i;
}
if( u<=127 ){
return ((i&1)==i && file_format>=4) ? 8+(u32)u : 1;
}
if( u<=32767 ) return 2;
|