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Diffstat (limited to 'src/interfaces/libpq/fe-connect.c')
| -rw-r--r-- | src/interfaces/libpq/fe-connect.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c index 9b2839b96c2..76b61bdc251 100644 --- a/src/interfaces/libpq/fe-connect.c +++ b/src/interfaces/libpq/fe-connect.c @@ -4423,7 +4423,11 @@ conninfo_parse(const char *conninfo, PQExpBuffer errorMessage, * of "dbname" keyword is a connection string (as indicated by * recognized_connection_string) then parse and process it, overriding any * previously processed conflicting keywords. Subsequent keywords will take - * precedence, however. + * precedence, however. In-tree programs generally specify expand_dbname=true, + * so command-line arguments naming a database can use a connection string. + * Some code acquires arbitrary database names from known-literal sources like + * PQdb(), PQconninfoParse() and pg_database.datname. When connecting to such + * a database, in-tree code first wraps the name in a connection string. */ static PQconninfoOption * conninfo_array_parse(const char *const * keywords, const char *const * values, |