static char *base36enc(long unsigned int value) {
char base36[36] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
/* log(2**64) / log(36) = 12.38 => max 13 char + '\0' */
char buffer[14];
unsigned int offset = sizeof(buffer);
buffer[--offset] = '\0';
do {
buffer[--offset] = base36[value % 36];
} while (value /= 36);
return strdup(&buffer[offset]); // warning: this must be free-d by the user
}
static long unsigned int base36dec(const char *text) {
return strtoul(text, NULL, 36);
}
Types of Table
| Order |
Code |
Types |
Purpose |
Tables |
Views
|
F |
A |
Audit |
Audit Tables |
M00TA00X00 ~ MZZTAZZX00 |
M00VA00X00 ~ MZZVAZZXZZ
|
D |
E |
Entries |
Entries Tables |
M00TE00X00 ~ MZZTEZZX00 |
M00VE00X00 ~ MZZVEZZXZZ
|
A |
I |
Identity |
Identity Tables |
M00TI00X00 ~ MZZTIZZX00 |
M00VI00X00 ~ MZZVIZZXZZ
|
E |
J |
Join |
Join Tables n - n |
M00TJ00X00 ~ MZZTJZZX00 |
M00VJ00X00 ~ MZZVJZZXZZ
|
G |
L |
Local |
Local Tables |
M00TL00X00 ~ MZZTLZZX00 |
M00VL00X00 ~ MZZVLZZXZZ
|
B |
M |
Metadata |
Metadata Tables |
M00TM00X00 ~ MZZTMZZX00 |
M00VM00X00 ~ MZZVMZZXZZ
|
C |
S |
Settings |
Settings Tables |
M00TS00X00 ~ MZZTSZZX00 |
M00VS00X00 ~ MZZVSZZXZZ
|
H |
V |
Versions |
Versions Tables |
M00TV00X00 ~ MZZTVZZX00 |
M00VV00X00 ~ MZZVVZZXZZ
|
Nomenclature
[M]{1}────────────────M ─┐
│
[0-9A-Z]{2}───────────00─┼─M00T─┐
│ │
[T|V]{1}──────────────T ─┘ │
│
[A|E|I|J|L|M|S|V]{1}──M ─┐ │
├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}───────────00─┘ │
│
[X]{1}────────────────X ─┐ │
├─X00 ─┘
[0-9A-Z]{2}───────────00─┘
Audit Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[A]{1}───────A ─┐ │
├─A00 ─┼─M00TA00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Entries Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[E]{1}───────E ─┐ │
├─E00 ─┼─M00TE00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Identity Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[I]{1}───────I ─┐ │
├─I00 ─┼─M00TI00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Join Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[J]{1}───────J ─┐ │
├─J00 ─┼─M00TJ00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Local Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[L]{1}───────L ─┐ │
├─L00 ─┼─M00TL00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Metadata Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[M]{1}───────M ─┐ │
├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Settings Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[S]{1}───────S ─┐ │
├─S00 ─┼─M00TS00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Versions Tables
[M]{1}───────M ─┐
│
[0-9A-Z]{2}──00─┼─M00T─┐
│ │
[T|V]{1}─────T ─┘ │
│
[V]{1}───────V ─┐ │
├─V00 ─┼─M00TV00X00
[0-9A-Z]{2}──00─┘ │
│
[X]{1}───────X ─┐ │
├─X00 ─┘
[0]{2}───────00─┘
|
Data Size Convention
;data size convention (where n is integer number)
NUMBER : 1 + 2 + 3 + 6 + 9 + 12 + 15 + 18 + 21 + 24
STRING : 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 + 256 + 2^n
DATE : yyyy-MM-dd | yyyy-MM-dd'T'HH:mm:ss.SSS
References