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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2019-08-31 14:05:32 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2019-08-31 14:05:32 -0400 |
| commit | 9230cc706df03ca63ee7e6ce3c9573a71937e245 (patch) | |
| tree | b97d520600fa31fb44461bd1c8537e9fdb41becc /doc/src | |
| parent | 7561782320f707db87f26014cd9122239f552682 (diff) | |
Doc: describe the "options" allowed in an ECPG connection target string.
These have been there a long time, but their format was never explained
in the docs. Per complaint from Yusuke Egashira.
Discussion: https://postgr.es/m/848B1649C8A6274AA527C4472CA11EDD5FC70CBE@G01JPEXMBYT02
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ecpg.sgml | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/doc/src/sgml/ecpg.sgml b/doc/src/sgml/ecpg.sgml index 4c3896f5c5b..ced3d1b000a 100644 --- a/doc/src/sgml/ecpg.sgml +++ b/doc/src/sgml/ecpg.sgml @@ -178,6 +178,19 @@ EXEC SQL CONNECT TO <replaceable>target</replaceable> <optional>AS <replaceable> </para> <para> + If the connection target includes any <replaceable>options</replaceable>, + those consist of + <literal><replaceable>keyword</replaceable>=<replaceable>value</replaceable></literal> + specifications separated by ampersands (<literal>&</literal>). + The allowed key words are the same ones recognized + by <application>libpq</application> (see + <xref linkend="libpq-paramkeywords">). Spaces are ignored before + any <replaceable>keyword</replaceable> or <replaceable>value</replaceable>, + though not within or after one. Note that there is no way to + write <literal>&</literal> within a <replaceable>value</replaceable>. + </para> + + <para> The <replaceable>connection-name</replaceable> is used to handle multiple connections in one program. It can be omitted if a program uses only one connection. The most recently opened @@ -191,7 +204,7 @@ EXEC SQL CONNECT TO <replaceable>target</replaceable> <optional>AS <replaceable> <link linkend="ddl-schemas-patterns">secure schema usage pattern</link>, begin each session by removing publicly-writable schemas from <varname>search_path</varname>. For example, - add <literal>options=-csearch_path=</literal> + add <literal>options=-c search_path=</literal> to <literal><replaceable>options</replaceable></literal>, or issue <literal>EXEC SQL SELECT pg_catalog.set_config('search_path', '', false);</literal> after connecting. This consideration is not specific to |