MySQL Internals Manual  /  A Guided Tour Of The MySQL Source Code  /  The Open-Source Directories

1.4 The Open-Source Directories

We're now getting into the directories which aren't major. Starting with:


Now it's time to reveal a startling fact, which is we didn't write all of the source code in all of the source code directories all by ourselves. This list is, in a sense, a tribute to the idea of open source.

There's dbug, which is Fred Fish's debug library.

There's pstack, which displays the process stack.

There's regex, which is what we use for our regular expressions function.

There's strings, the meaning of which is obvious.

There's zlib, which is for Lempel-Ziv compression.

All of the programs in these directories were supplied by others, as open source code. We didn't just take them, of course. MySQL has checked and changed what's in these directories. But we acknowledge with thanks that they're the products of other projects, and other people's labor, and we only regret that we won't have time to note all the contributed or publicly available components of MySQL, in this manual.

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