doc: Add WITHOUT OVERLAPS to ALTER TABLE reference docs

Commit fc0438b4e80 documented WITHOUT OVERLAPS in the CREATE TABLE
docs, but not in ALTER TABLE.  This commit adds the new syntax to the
ALTER TABLE docs.

Author: Paul A. Jungwirth 
Discussion: https://www.postgresql.org/message-id/57ea0668-5205-426e-b934-efc89f2186c2@illuminatedcomputing.com

diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 6098ebed4334bb3afde17771468d6a4cbe983181..ff7f4e43f0b2c7ffde694c4ae11075726bcb429b 100644 (file)
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -115,8 +115,8 @@ WITH ( MODULUS numeric_literal, REM
 [ CONSTRAINT constraint_name ]
 { CHECK ( expression ) [ NO INHERIT ] |
   NOT NULL column_name [ NO INHERIT ] |
-  UNIQUE [ NULLS [ NOT ] DISTINCT ] ( column_name [, ... ] ) index_parameters |
-  PRIMARY KEY ( column_name [, ... ] ) index_parameters |
+  UNIQUE [ NULLS [ NOT ] DISTINCT ] ( column_name [, ... ] [, column_name WITHOUT OVERLAPS ] ) index_parameters |
+  PRIMARY KEY ( column_name [, ... ] [, column_name WITHOUT OVERLAPS ] ) index_parameters |
   EXCLUDE [ USING index_method ] ( exclude_element WITH operator [, ... ] ) index_parameters [ WHERE ( predicate ) ] |
   FOREIGN KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ... ] ) ]
     [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE referential_action ] [ ON UPDATE referential_action ] }