Perdia-DB
A simple key value database for storing simple structures. No nesting of structures is supported, but may be implemented in the future.
Tokens
| Name | Description |
|---|---|
| QUERY | Used to get a Object by it's name. |
| CREATE | Cerate an object from an template. |
| GET | Get a value from an object with a key. |
| PUT | Overwrite a value from an object using a key. |
| VALUE | Define the value for the PUT command. |
| TYPE | Defines field type of template or defines new template. |
| NAME | Declare field name. |
| STARTING | Declare value of field if nothing is set. |
| END | Mark end of template definition. |
Responses
| Name | Descirption |
|---|---|
| OK | No get queries were done and everything went fine. |
| PUT_ERR | There was an error with a PUT command. |
Example
Declare Templates
Declaration of templates should only occur in their own request. Although everything works fine when it is not.
TYPE "DAY";
NAME "First" TYPE STRING STARTING "Nothing";
NAME "Second" TYPE STRING STARTING "Nothing";
NAME "Third" TYPE STRING STARTING "Nothing";
NAME "Day" TYPE INTEGER STARTING 1;
NAME "Seconds" TYPE FLOAT;
END;
{
"name": "DAY",
"instance": null,
"data": {
"First": "Nothing",
"Second": "Nothing",
"Third": "Nothing",
"Day": 1,
"Seconds": 0.0
}
}
Create Objects
Make a instance of a defined template with a key.
CREATE "Monday" TYPE "DAY";
Query Objects
Query object by name.
QUERY "Monday" PUT "First" VALUE "Science";
QUERY "Monday" PUT "Second" VALUE "CS";
QUERY "Monday" GET "First";
QUERY "Monday" GET "First" "Second";
Query objects by type
QUERY TYPE GET "DAY" GET "First";
QUERY TYPE GET "DAY" GET "First" "Seconds";
Query all types
QUERY TYPE;
Delete Objects
This will delete just the instance.
DELETE "Monday"
This will remove all instances with the type and the type itself.
REMOVE "DAY"
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