Re: Creating a DB

Hi,

Thanks for detailed reply.

However, are there any utilities in postgres to help with migrations.
Perhaps something that would do syntax conversion automatically?

BR,
Sami

2012/9/16 Thom Brown <thom@linux.com>:
> On 16 September 2012 10:02, Sami Pietilä <sami.pietila@gmail.com> wrote:
>> Hi,
>>
>> I am trying to create local copy of DB from NCBI DB.
>> ftp://ftp.ncbi.nih.gov/snp/database/README.create_local_dbSNP.txt
>>
>> The FTP site provides sql files and bcp -files.
>>
>> I have started by trying to create tables as instructed:
>> psql -f dbSNP_main_table.sql dbSNP_main
>>
>> Unfortunately there seems to be some syntax related issues:
>>
>> psql:dbSNP_main_table.sql:579: ERROR:  syntax error at or near "["
>> LINE 1: CREATE TABLE [Allele]
>>
>> How can I get postresql to accept provided sql -files?
>
> The file appears to be formatted for Microsoft SQL Server. You will
> need to do a find and replace for '[' and ']', and replace them with
> nothing. Also the keyword GO isn't valid in PostgreSQL, so I suggest
> doing a case-sensitive replace of those with a semi-colon so that it
> terminates every statement correctly.
>
> Some of those tables use smalldatetime which is non-standard. Replace
> all instances of these with timestamp. The same goes for tinyint.
> Replace those with int.
>
> It looks like everything else in the CREATE TABLE statements should
> work. Note that PostgreSQL case-folds unquoted mixed-case object names
> to lower-case, so if you want to preserve the letter casing of object
> names, you'll need to quote them with double-quotes.  However, if you
> do this, you'll have to double-quote the object name every time you
> refer to it in a query.
>
> In the dbSNP_main_index.sql.gz file, there's also additional changes
> to be made.  Again, replace '[' and ']' with nothing, replace 'GO'
> with ';' and replace all instances of "NONCLUSTERED" and "CLUSTERED"
> with nothing.  There's a mistake in the file though (at least as far
> as PostgreSQL goes); the index 'i_allele_id' appears twice, but apply
> to different tables, so you may wish to alter the name of one of them
> so they aren't the same.
>
> As for the rest, it might be worth reading up about the differences
> between SQL Server and PostgreSQL syntax and convert the rest based on
> your findings.
>
> --
> Thom