diff options
| -rw-r--r-- | doc/src/sgml/libpq.sgml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml index 56014855557..0a187e256a4 100644 --- a/doc/src/sgml/libpq.sgml +++ b/doc/src/sgml/libpq.sgml @@ -993,10 +993,14 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname your machine supports IPv6, you can also use those addresses. TCP/IP communication is always used when a nonempty string is specified for this parameter. + If this parameter is not specified, the value of <literal>host</literal> + will be looked up to find the corresponding IP address — or, if + <literal>host</literal> specifies an IP address, that value will be + used directly. </para> <para> - Using <literal>hostaddr</literal> instead of <literal>host</literal> allows the + Using <literal>hostaddr</literal> allows the application to avoid a host name look-up, which might be important in applications with time constraints. However, a host name is required for GSSAPI or SSPI authentication |