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Alexander Turenko authored
Further commits will add proper entries into the diagnostics area for
failures inside popen functions. We should either report handle == NULL
case via the diagnostics area or ensure that the NULL handle case is not
possible.

The latter approach is implemented in this commit. There are two
reasons for this:

* This way simplifies function contracts (one less kind of failure).
* The popen Lua module (that will be implemented in the further commits)
  will not construct any logic using NULL as a handle. When 'NULL
  handle' error is not possible in the C API, it will be easier to
  verify that this failure is not possible the Lua API.

A user of the C API should take care to don't call those functions with
NULL handle.

Part of #4031

Acked-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
922cef65
History

Tarantool

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Tarantool is an in-memory database and application server.

Key features of the application server:

  • 100% compatible drop-in replacement for Lua 5.1, based on LuaJIT 2.1. Simply use #!/usr/bin/tarantool instead of #!/usr/bin/lua in your script.
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  • ANSI SQL, including views, joins, referential and check constraints
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