34.1. Database Connection Control Functions

34.1. Database Connection Control Functions #

34.1.1. Connection Strings
34.1.2. Parameter Key Words

+34.1. Database Connection Control Functions

34.1. Database Connection Control Functions
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34.1. Database Connection Control Functions #

34.1.1. Connection Strings
34.1.2. Parameter Key Words

The following functions deal with making a connection to a PostgreSQL backend server. An application program can have several backend connections open at @@ -518,7 +518,7 @@ PQsslKeyPassHook_OpenSSL_type PQgetSSLKeyPassHook_OpenSSL(void); connection parameters. There are two accepted formats for these strings: plain keyword/value strings and URIs. URIs generally follow - RFC + RFC 3986, except that multi-host connection strings are allowed as further described below.

34.1.1.1. Keyword/Value Connection Strings #

@@ -582,7 +582,7 @@ postgresql:///mydb?host=localhost&port=5433 of ssl=true are translated into sslmode=require.

- The connection URI needs to be encoded with percent-encoding + The connection URI needs to be encoded with percent-encoding if it includes symbols with special meaning in any of its parts. Here is an example where the equal sign (=) is replaced with %3D and the space character with @@ -1259,4 +1259,4 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname a new node will be tried.