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From: Konstantin Osipov <kostja@tarantool.org>
To: "n.pettik" <korablev@tarantool.org>
Cc: tarantool-patches@freelists.org, Imeev Mergen <imeevma@tarantool.org>
Subject: [tarantool-patches] Re: [PATCH v2 2/5] sql: rework syntax errors
Date: Tue, 26 Feb 2019 16:12:17 +0300	[thread overview]
Message-ID: <20190226131217.GH5592@chai> (raw)
In-Reply-To: <8042E409-CC3B-42D5-9255-FE3E6ED8B517@tarantool.org>

* n.pettik <korablev@tarantool.org> [19/02/26 16:02]:
> > Yes, the name is suggested by me. There is a name clash with a
> > generic ER_SYNTAX_ERROR.
> 
> I don’t see problem here. First error is “Syntax error in %s : %s”.
> For instance, “Syntax error in trigger body : blah-blah”.
> Second one is “Syntax error near %s” or “Syntax error near %s token”.
> For instance, “Syntax error near “create” token.”
> Ok, if you still want to use ’syntax’ word, then at least let’s use
> this variant: “Incorrect syntax near %s"
> 
> I failed to find any compiler or db which generate
> “Unrecognized syntax …” error messages.

Ok, if you ask me what's better - syntax error vs. unrecognized
syntax - up to you, it doesn't really matter.

Let's ensure two properties:
- the grammar and punctuation are correct
- the message is as specific as possible, i.e. allows the user to
  easily identify location of the error. Don't assume there is a
  single-line statement, assume 1 select statement can easily be
  200 lines of highly nested code.

> 
> > I also requested to add line/character
> > numbers to the error message, which I don't see in the patch.
> 
> Line is useless now, we don’t have multi-line processing.

We do.

tarantool> box.sql.execute("select\n\n\n1")
---
- - [1]
...


-- 
Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov

  reply	other threads:[~2019-02-26 13:12 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25 17:14 [tarantool-patches] [PATCH v2 0/5] sql: use diag_set() for errors in SQL imeevma
2019-02-25 17:14 ` [tarantool-patches] [PATCH v2 1/5] sql: remove "syntax error after column name" error imeevma
2019-02-25 19:34   ` [tarantool-patches] " n.pettik
2019-02-27 11:32   ` Kirill Yukhin
2019-02-25 17:14 ` [tarantool-patches] [PATCH v2 2/5] sql: rework syntax errors imeevma
2019-02-25 20:02   ` [tarantool-patches] " n.pettik
2019-02-26  8:24     ` Konstantin Osipov
2019-02-26 12:59       ` n.pettik
2019-02-26 13:12         ` Konstantin Osipov [this message]
2019-02-26 15:59       ` Imeev Mergen
2019-02-25 17:14 ` [tarantool-patches] [PATCH v2 3/5] sql: save SQL parser errors in diag_set() imeevma
2019-02-25 23:01   ` [tarantool-patches] " n.pettik
2019-02-26  8:25     ` Konstantin Osipov
2019-02-26 15:29     ` Imeev Mergen
2019-02-25 17:14 ` [tarantool-patches] [PATCH v2 4/5] sql: remove file zErrMsg of struct Parse imeevma
2019-02-26 14:47   ` [tarantool-patches] " n.pettik
2019-02-26 15:36     ` Imeev Mergen
2019-02-26 18:17       ` n.pettik
2019-02-25 17:14 ` [tarantool-patches] [PATCH v2 5/5] sql: remove field nErr " imeevma
2019-02-26  8:27   ` [tarantool-patches] " Konstantin Osipov
2019-02-26 14:48   ` n.pettik

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