Re: dynamically generate path to output file
2022-03-26 6:35 GMT-03:00, rob...@redo2oo.ch : > Hi Friends > > I would like to generate the path of a CSV file to which I output a query. > > This is what I try: > > CREATEORREPLACEPROCEDUREexport_cvs( > home_dir varchar > ) > AS > $BODY$ > DECLARE > OUTFILE varchar; > BEGIN > OUTFILE = (home_dir || '/tmp/company.csv'); > copy( > select'company_'||id as"External ID", > nameas"Name",'True'as"Is a Company", > email, > phone , > company_registry > fromres_company > ) TOOUTFILE withCSV HEADER; > END; > $BODY$ > LANGUAGEplpgsql; > > this produces a syntax error: > > psql:export_contacts_short.sql:21: ERROR: syntax error at or near > "OUTFILE" > LINE 17: ) TO OUTFILE with CSV HEADER; > > > It works fine when I replace "TO OUTFILE" with a hard coded string. > > Can anybody of you give me a hint how to do that? > > Thanks a lot. > > Robert > > Look at EXECUTE statement: 43.5.4. Executing Dynamic Commands https://www.postgresql.org/docs/current/plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN Osvaldo
Re: Question about when PostgreSQL 11.0 was released
https://www.postgresql.org/docs/release/ 2021-03-08 15:33 GMT-03:00, Michael Lewis : > I can't find a page on the website right now that specifies it, but the > feature freeze is around April each year then general availability in > October. Minor releases are scheduled quarterly I believe. Major versions > are EOL'd after 5 or so years. >
Re: function difference not found
2021-11-25 13:12 GMT-03:00, Shaozhong SHI : > Function difference not found. > > Should an extension created for finding it? > Perhaps you are talking about EXCEPT set operator? https://www.postgresql.org/docs/current/queries-union.html
Re: psql command failing with error "undefined symbol: PQhostaddr"
2021-12-28 9:29 GMT-03:00, Narendra katlamudi : > Hi Team > When I use psql to connect a pg server, I am getting below error. Any > solution/pointers? > I have pg versions 11,12,13 installed on my system. > > /usr/lib/postgresql/13/bin/psql: symbol lookup error: > /usr/lib/postgresql/13/bin/psql: undefined symbol: PQhostaddr > > thanks,Narendra K Perhaps a typo? PQHOSTADDR or PGHOSTADDR?