Re: [SQL] best method to copy data across databases

2004-07-02 Thread Tony Reina
[EMAIL PROTECTED] (ctrl) wrote in message news:<[EMAIL PROTECTED]>... > I need to copy data that I have on a table in one Postgres database > into another table, on a different database. The destination table is > not identical with the source table so I need to do some mapping > between the 2 tabl

[SQL] SELECTing part of a matrix

2004-04-27 Thread Tony Reina
I've got a 3D matrix stored in a table. I'd like to pull back just 2 of the dimensions (specifying a constant value for the 3rd dimension). e.g. table1 == matrix1[5][10][20] I've like to get matrix[1][all][all] and have it pulled back as a 2D matrix (new_matrix1[all][all]). Any way to do th

Re: [SQL] Help with COPY command

2004-04-09 Thread Tony Reina
Ok. I found the libpq syntax for COPY in the Programmer's manual. I've got a working version, but wanted to verify something. PQexec(conn, "COPY foo FROM STDIN"); PQputline(conn, "3\thello world\t4.5\n"); PQputline(conn,"4\tgoodbye world\t7.11\n"); ... PQputline(conn,"\\.\n"); PQendcopy(conn); 1.

[SQL] Help with COPY command

2004-04-09 Thread Tony Reina
I'm attempting to use the COPY command through the libpq C functions. In the psql command line editor, I'd have the following commands: COPY testtable FROM stdin WITH DELIMITER ','; 1, 2, 'a', 3, 4 5, 6, 'b', 7, 8 9, 10, 'c', 11, 12 \. My question is: Does this all have to be passed as one big