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\warn

This command is identical to \echo except that the output will be written to psql 's standard error channel, rather than standard output.

Reading PostgreSQL 18.6.

Description

This command is identical to \echo except that the output will be written to psql 's standard error channel, rather than standard output.

Client: psql 18.6
Case-sensitive spelling: \warn

Usage

\warn text [ ... ]

Spellings in this manual definition

Command	Documented suffix modifiers
\warn	None listed in this signature

Manual definition

\warn text [ ... ]: This command is identical to \echo except that the output will be written to psql's standard error channel, rather than standard output.

Related entries

psql command-line options and complete manual

Documentation and source

18.6 English manual · app-psql.html

Source build

Version: 18.6
Build: https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
Source fingerprint: ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8

Compare versions

PostgreSQL 12 → 13: added.

--- PostgreSQL 12
+++ PostgreSQL 13
@@ -1 +1,8 @@
-Not recorded in this version
+{
+  "definition": "This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output.",
+  "modifiers": [],
+  "signature": "\\warn text [ ... ]",
+  "spellings": [
+    "\\warn"
+  ]
+}

Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.

Related entries

Export JSON · Back to psql Commands · Recorded in PostgreSQL 13 through 20; the first sample is not necessarily its introduction.