Test change of numeric precision and scale.

Author: Antonin Houska

expected/pg_rewrite.out

@@ -203,3 +203,25 @@ TABLE tab3_new_part_4;
  4 | 4
 (4 rows)
 
+-- Change of precision and scale of a numeric data type.
+CREATE TABLE tab4(i int PRIMARY KEY, j numeric(3, 1));
+INSERT INTO tab4(i, j) VALUES (1, 0.1);
+CREATE TABLE tab4_new(i int PRIMARY KEY, j numeric(4, 2));
+TABLE tab4;
+ i |  j  
+---+-----
+ 1 | 0.1
+(1 row)
+
+SELECT rewrite_table('tab4', 'tab4_new', 'tab4_orig');
+ rewrite_table 
+---------------
+ 
+(1 row)
+
+TABLE tab4;
+ i |  j   
+---+------
+ 1 | 0.10
+(1 row)
+

sql/pg_rewrite.sql

@@ -81,3 +81,11 @@ TABLE tab3_new_part_1;
 TABLE tab3_new_part_2;
 TABLE tab3_new_part_3;
 TABLE tab3_new_part_4;
+
+-- Change of precision and scale of a numeric data type.
+CREATE TABLE tab4(i int PRIMARY KEY, j numeric(3, 1));
+INSERT INTO tab4(i, j) VALUES (1, 0.1);
+CREATE TABLE tab4_new(i int PRIMARY KEY, j numeric(4, 2));
+TABLE tab4;
+SELECT rewrite_table('tab4', 'tab4_new', 'tab4_orig');
+TABLE tab4;