# Embeded SQL
> Framework and SQLite implementation of DB2 style embeded SQl for C/C++

## What is embeded SQL?
In short, this:
```C
#include <stdio.h>

signed main(){
	EXEC SQL BEGIN DECLARE SECTION;
	int i;
	char c[4];
	EXEC SQL END DECLARE SECTION;

	EXEC SQL CONNECT TO testdb AS myconnection;
	EXEC SQL SELECT i, text INTO :i, :c FROM test WHERE i = 1;

	puts(c);

	return i;
}
```
It, in broad sense, is what PL/SQL is for Ada, for C/C++.

With an extra step of preprocessing,
the above is turned into conventional C,
that any compiler will be able to deal with.

## Why?
Embeded SQL provides the following benefits:
+ better syntax highlighting compatibility
+ compile time SQL syntax checks
+ more agile database <-> language type conversions

## Who is responsible for this?
IBM is.
The embeded SQL debuted with their DB2.
I am awfully unsure,
which edition,
but I believe it originates from the 80s.

In 1998,
Michael Meskes started Postgresqls on going embeded SQL support
with the following comment:

> Well this is not really a patch.
But I mananged to get Linus' old Postgres95 precompiler
to compile and work with PostgreSQL.

What that implies is under investigation.

Regardles the standard Postgresql tool `ecpg`
is highly functional
and something I can only recommend for people
working with Postgresql in specific.

However,
I find the usage of databases with a server architecture
for non-enterprise purposes of rather poor taste.
This is why this project sets out to
start supporting SQLite/embeded SQL and
to create a system where adding arbitrary databases is easy