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this function returns a connection index that is needed by other postgresql functions. you can have multiple connections open at once.
the total number of connections can be set with the pgsql.max_links php.ini directive.
pg_options() will return a string containing the options specified on the given postgresql connection identifier.
pg_options() will return a string containing the options specified on the given postgresql connection resource.
if you are using postgresql, it supports character encoding that is different from backend character encoding. see the postgresql manual for details.
if you use databases with php, it is recommended that you use the same character encoding for both database and internal encoding for ease of use and better performance.
이것은 libphp4.so 공유 라이브러리를 만든다. 이 파일은 아파치의 httpd.conf 파일에서 loadmodule 설정을 사용하여 아파치에 적재 될 수 있다. 그리고 postgresql 지원은 libphp4.so 에 포함시킨 형태이다.
depending on your apache install and unix variant, there are many possible ways to stop and restart the server.
error messages may be overwritten by internal postgresql(libpq) function calls. it may not return appropriate error message, if multiple errors are occured inside a postgresql module function.
it may not return appropriate error message, if multiple errors are occured inside a postgresql module function.
enables tracing of the postgresql frontend/backend communication to a debugging file. to fully understand the results one needs to be familiar with the internals of postgresql communication protocol. for those who are not, it can still be useful for tracing errors in queries sent to the server, you could do for example grep '^to backend' trace.log and see what query actually were sent to the postgresql server.
for those who are not, it can still be useful for tracing errors in queries sent to the server, you could do for example grep '^to backend' trace.log and see what query actually were sent to the postgresql server.