Correct ALTER TYPE -> SET DATA TYPE in ALTER TABLE documentation.

The latter is the correct name of the operation to change the data type
of a column.

Noah Misch

diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 4c582f0d85a31cb99065b04c7c5ba79ee31652a9..a9fc887c778f5e526cc76c5597b44a845c25acd6 100644 (file)
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -719,7 +719,7 @@ ALTER TABLE name
    
 
    
-    The fact that ALTER TYPE requires rewriting the whole table
+    The fact that SET DATA TYPE requires rewriting the whole table
     is sometimes an advantage, because the rewriting process eliminates
     any dead space in the table.  For example, to reclaim the space occupied
     by a dropped column immediately, the fastest way is:
@@ -734,15 +734,15 @@ ALTER TABLE table ALTER COLUMN anycol TYPE anytype;
    
 
    
-    The USING option of ALTER TYPE can actually
+    The USING option of SET DATA TYPE can actually
     specify any expression involving the old values of the row; that is, it
     can refer to other columns as well as the one being converted.  This allows
-    very general conversions to be done with the ALTER TYPE
+    very general conversions to be done with the SET DATA TYPE
     syntax.  Because of this flexibility, the USING
     expression is not applied to the column's default value (if any); the
     result might not be a constant expression as required for a default.
     This means that when there is no implicit or assignment cast from old to
-    new type, ALTER TYPE might fail to convert the default even
+    new type, SET DATA TYPE might fail to convert the default even
     though a USING clause is supplied.  In such cases,
     drop the default with DROP DEFAULT, perform the ALTER
     TYPE, and then use SET DEFAULT to add a suitable new