texcaller_convert(source text, source_format text, result_format text, max_runs integer) returns bytea stable strict texcaller_escape_latex(s text) returns text immutable strict
Invalid TeX documents are handled gracefully by simply returning NULL
rather than aborting with an error. On failure as well as on success, additional processing information is provided via NOTICEs.
set standard_conforming_strings = on; -- simple table to store the LaTeX sources of various documents create table documents ( name varchar(32) primary key, latex_source text ); -- insert a sample document insert into documents (name, latex_source) values ( 'hello', '\documentclass{article}\begin{document}Hello world!\end{document}' ); -- generate PDF from the sample document select texcaller_convert(latex_source, 'LaTeX', 'PDF', 5) from documents where name = 'hello'; -- generate a document on the fly, demonstrating how to escape user input select texcaller_convert( '\documentclass{article}' || '\usepackage[utf8x]{inputenc}' || '\begin{document}' || texcaller_escape_latex('Téxt → "with" $peciäl <characters>') || '\end{document}', 'LaTeX', 'PDF', 5 );