Add configuration for psql

.config/psql/psqlrc

@@ -0,0 +1,48 @@
+-- `psql` executes the commands in this file creating output
+-- => This flag hides that and is unset again at the bottom
+\set QUIET 1
+
+
+-- Show verbose error messages
+\set VERBOSITY verbose
+
+
+-- Use normal "table" format by default
+-- and "expanded table" with lots of columns
+\x auto
+
+
+-- By default, `NULL`s show up as empty spaces,
+-- which may be confused with empty strings
+-- => Show "NULL" instead for clarity
+\pset null 'NULL'
+
+
+-- Ignore errors in interactive sessions
+-- but not when executing scripts
+\set ON_ERROR_ROLLBACK interactive
+
+
+-- Upper case SQL keywords
+\set COMP_KEYWORD_CASE upper
+
+
+-- Make VI the default editor
+\set EDITOR vi
+
+
+-- Use separate history files per database
+-- and keep them in one folder
+\set HISTFILE ~/.local/state/psql/history- :DBNAME
+
+
+-- Don't store the same SQL statement repeatedly
+\set HISTCONTROL ignoredups
+
+
+-- Make all queries display query times
+\timing
+
+
+-- Unset the flag set at the top of this file
+\unset QUIET