Re: Creating 2D arrays for pg_copy_from, reading tab-delimted textfile that contains comma and double quotes - Mailing list pgsql-general

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Subject Re: Creating 2D arrays for pg_copy_from, reading tab-delimted textfile that contains comma and double quotes
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Msg-id 115096948.607924.1545110330008.JavaMail.yahoo@mail.yahoo.co.jp
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In response to Re: Creating 2D arrays for pg_copy_from, reading tab-delimted textfile that contains comma and double quotes  (<s400t@yahoo.co.jp>)
List pgsql-general
>and now I can see my data saved in the database without those extra double quotes.
.. and with my comma intact as well.




----- Original Message -----
> From: "s400t@yahoo.co.jp" <s400t@yahoo.co.jp>
> To: Daniel Verite <daniel@manitou-mail.org>
> Cc: "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
> Date: 2018/12/18, Tue 14:15
> Subject: Re: Creating 2D arrays for pg_copy_from, reading tab-delimted text file  that contains comma and double
quotes
>
> Hello Daniel!
>
> This afternoon, I tried it again, and yes, your suggestion that I use a tab
> delimited symbol ("\t") instead of a space for the implode works
> flawlessly.
>
> Yesterday, I reported I got "Warning: pg_copy_from(): Copy command failed:
> ERROR: extra data after last expected..".
> That was because while reading file, I had used this:
>      while (($line = fgetcsv($fileRead, "\t")) !== FALSE) {
>
>
> Today, I used this:
>      while (($line = fgetcsv($fileRead, 0, "\t")) !== FALSE) {
>
>
> .. and now I can see my data saved in the database without those extra double
> quotes.
>
> It made my day!
>
> Thank you.
>
>
>
>
>
> ----- Original Message -----
>>  From: Daniel Verite <daniel@manitou-mail.org>
>>  To: s400t@yahoo.co.jp
>>  Cc: pgsql-general@lists.postgresql.org
>>  Date: 2018/12/18, Tue 00:35
>>  Subject: Re: Creating 2D arrays for pg_copy_from, reading tab-delimted text
> file  that contains comma and double quotes
>>
>>        <s400t@yahoo.co.jp> wrote:
>>
>>>   When I save that Excel as a tab delimited text file, I get
> this:rec_no 
>>>   item1    item2    item3    item4    item5
>>>   1    Denny's    orange juice    "1,500 yen"   
>>  """Dear John"""    "32""
>>>   TV"(As seen when I opened that file with Notepad)
>>
>>  This looks good. Fields are properly enclosed and double quotes
>>  in contents are doubled, as expected in CSV.
>>
>>>   5.while (($line = fgetcsv($fileRead, 0, "\t")) !==
> FALSE) {
>>  //0 means I can
>>>   read row whatever its length
>>>   6.    if($row == 1){ $row++; continue; } //skip header
>>>   7.    $line = implode(" ",$line). "\n";
>>>   8.    $twoDarray[] = $line;
>>>   ...
>>>   14.if (pg_copy_from($con, $tableName, $twoDarray) !== FALSE) {
>>
>>  It goes wrong at line 7. pg_copy_from() expects lines in the
>>  COPY "text format" documented at
>>  https://www.postgresql.org/docs/current/sql-copy.html
>>
>>  It implies that:
>>  - since your call to pg_copy_from() doesn't specify a delimiter
>>  it uses tab, not a space, so implode() must be passed a tab,
>>  not a space.
>>  - if there are backslashes in the contents they must be quoted
>>  by doubling them.
>>  - if there are newline or carriage return characters in the contents
>>  they must be replaced by \n and \r respectively, so as to
>>  not be confused with an end of record.
>>  - if there are tabs in the contents they must be replaced by \t.
>>
>>  These replacements can all be done by a single strtr() call in php.
>>
>>
>>  Best regards,
>>  --
>>  Daniel Vérité
>>  PostgreSQL-powered mailer: http://www.manitou-mail.org
>>  Twitter: @DanielVerite
>>
>



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