Re: proposal - function string_to_table

Pavel Stehule <pavel.stehule@gmail.com>

From: Pavel Stehule <pavel.stehule@gmail.com>
To: "movead.li@highgo.ca" <movead.li@highgo.ca>
Cc: Justin Pryzby <pryzby@telsasoft.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2020-07-06T05:05:37Z
Lists: pgsql-hackers

Attachments

ne 5. 7. 2020 v 13:30 odesílatel Pavel Stehule <pavel.stehule@gmail.com>
napsal:

>
>
> pá 5. 6. 2020 v 13:55 odesílatel Pavel Stehule <pavel.stehule@gmail.com>
> napsal:
>
>> Hi
>>
>> čt 4. 6. 2020 v 11:49 odesílatel movead.li@highgo.ca <movead.li@highgo.ca>
>> napsal:
>>
>>> +{ oid => '2228', descr => 'split delimited text',
>>> +  proname => 'string_to_table', prorows => '1000', proretset => 't',
>>> +  prorettype => 'text', proargtypes => 'text text',
>>> +  prosrc => 'text_to_table' },
>>> +{ oid => '2282', descr => 'split delimited text with null string',
>>> +  proname => 'string_to_table', prorows => '1000', proretset => 't',
>>> +  prorettype => 'text', proargtypes => 'text text text',
>>> +  prosrc => 'text_to_table_null' },
>>>
>>> I go through the patch, and everything looks good to me. But I do not
>>> know
>>> why it needs a 'text_to_table_null()', it's ok to put a 'text_to_table'
>>> there, I think.
>>>
>>
>> It is a convention in Postgres - every SQL unique signature has its own
>> unique internal C function.
>>
>> I am sending a refreshed patch.
>>
>
> rebase
>

two fresh fix

a) remove garbage from patch that breaks doc

b) these functions should not be strict - be consistent with
string_to_array functions

Regards

Pavel


>
> Regards
>
> Pavel
>
>
>> Regards
>>
>> Pavel
>>
>>
>>
>>
>>>
>>> ------------------------------
>>> Regards,
>>> Highgo Software (Canada/China/Pakistan)
>>> URL : www.highgo.ca
>>> EMAIL: mailto:movead(dot)li(at)highgo(dot)ca
>>>
>>

Commits

  1. Add string_to_table() function.