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From: Rory Campbell-Lange <[email protected]>
To: Frank Millman <[email protected]>
Cc: [email protected]
Subject: Re: Minor issue
Date: Tue, 26 May 2020 15:09:36 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CA+mi_8YDBvXkns7odQQ5VLATyCXe2xFTw_KV5H19Q9aTyWEEog@mail.gmail.com>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On 26/05/20, Frank Millman ([email protected]) wrote:
> 
> 
> On 2020-05-26 3:08 PM, Rory Campbell-Lange wrote:
> > On 26/05/20, Frank Millman ([email protected]) wrote:
> > Does using %s instead of {}.format help solve the issue?
> 
> To reproduce my situation, you should place the '--' at the beginning of the
> following line (',%s as d').
> 
> As no parameters are now being substituted, I would expect to supply an
> empty tuple. In fact, the parameter is still required.

That makes sense, apologies.

However, this works as you suggest:

	In [33]: d.query("""
		...: select 
		...:     1 as a
		...:     /*
		...:     ,2 as b
		...:     */
		...:     -- ,'hi' as c
		...:     -- ,%s as d
		...: """, ("a string", )).results
	Out[33]: [Record(a=1)]

This doesn't work (as you suggest):

	In [35]: d.query("""
		...: select 
		...:     1 as a
		...:     /*
		...:     ,2 as b
		...:     */
		...:     -- ,'hi' as c
		...:     -- ,%s as d
		...: """, ()).results
	ERROR:root:An unexpected error occurred while tokenizing input
	The following traceback may be corrupted or invalid
	The error message is: ('EOF in multi-line string', (1, 0))

But this works:

	In [34]: d.query("""
		...: select 
		...:     1 as a
		...:     /*
		...:     ,2 as b
		...:     */
		...:     -- ,'hi' as c
		...:     -- ,%s as d
		...: """).results
	Out[34]: [Record(a=1)]

So perhaps simply don't provide the tuple in this case? This will also probably
work for your other backends.

Rory

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