Re: A bug when use get_bit() function for a long bytea string

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От	movead.li@highgo.ca
Тема	Re: A bug when use get_bit() function for a long bytea string
Дата	7 апреля 2020 г. 01:29:51
Msg-id	2020040709294706977061@highgo.ca обсуждение исходный текст
Ответ на	Re: A bug when use get_bit() function for a long bytea string ("Daniel Verite" <daniel@manitou-mail.org>)
Список	pgsql-hackers

>In existing releases, the SQL definitions are set_bit(bytea,int4,int4)

>and get_bit(bytea,int4) and cannot be changed to not break the API.

>So the patch meant for existing releases has to deal with a too-narrow

>int32 bit number.

>Internally in the C functions, you may convert that number to int64

>if you think it's necessary, but you may not use PG_GETARG_INT64

>to pick a 32-bit argument.

The input parameter of 'set_bit()' function for 'byteaGetBit' has changed

to 'bytea int8 int4', but maybe another 'set_bit()' for 'bitgetbit' need not

changed. The same with 'get_bit()'.

Regards,

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

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