Fixes for char_length() change.

src/test/regress/expected/euc_cn.out

@@ -54,11 +54,11 @@ select * from
 (2 rows)
 
 select *,character_length(术语) from 计算机术语;
-    术语    | 分类号  | 备注1a | length 
-------------+---------+--------+--------
- 电脑显示屏 | 机A01上 |        |      5
- 电脑图形   | 分B01中 |        |      4
- 电脑程序员 | 人Z01下 |        |      5
+    术语    | 分类号  | 备注1a | char_length 
+------------+---------+--------+-------------
+ 电脑显示屏 | 机A01上 |        |           5
+ 电脑图形   | 分B01中 |        |           4
+ 电脑程序员 | 人Z01下 |        |           5
 (3 rows)
 
 select *,octet_length(术语) from 计算机术语;

src/test/regress/expected/euc_kr.out

@@ -54,11 +54,11 @@ select * from 計算機
 (2 rows)
 
 select *,character_length(용어) from 計算機용어;
-       용어       | 分類코드 | 비고1a라구 | length 
-------------------+----------+------------+--------
- 컴퓨터디스플레이 | 機A01上  |            |      8
- 컴퓨터그래픽스   | 分B10中  |            |      7
- 컴퓨터프로그래머 | 人Z01下  |            |      8
+       용어       | 分類코드 | 비고1a라구 | char_length 
+------------------+----------+------------+-------------
+ 컴퓨터디스플레이 | 機A01上  |            |           8
+ 컴퓨터그래픽스   | 分B10中  |            |           7
+ 컴퓨터프로그래머 | 人Z01下  |            |           8
 (3 rows)
 
 select *,octet_length(용어) from 計算機용어;

src/test/regress/expected/euc_tw.out

@@ -52,11 +52,11 @@ select * from
 (1 row)
 
 select *, character_length(如淦杀) from 燹俑骜砧;
- 如淦杀 |     狞瞥婉螭     |  氢蛇   | length 
---------+------------------+---------+--------
- 缳妾淦 | 绠绠绎世         | 啤A01念 |      3
- 犒葸淦 | 芈溷却宇狞瞥     | 你B10你 |      3
- 螫悖淦 | 印汤洗枪却宇狞瞥 | 仨Z01摩 |      3
+ 如淦杀 |     狞瞥婉螭     |  氢蛇   | char_length 
+--------+------------------+---------+-------------
+ 缳妾淦 | 绠绠绎世         | 啤A01念 |           3
+ 犒葸淦 | 芈溷却宇狞瞥     | 你B10你 |           3
+ 螫悖淦 | 印汤洗枪却宇狞瞥 | 仨Z01摩 |           3
 (3 rows)
 
 select *, octet_length(如淦杀) from 燹俑骜砧;

src/test/regress/expected/sql_ascii.out

@@ -54,11 +54,11 @@ select * from computer_terms where term ~* 'computer [DG]';
 (2 rows)
 
 select *,character_length(term) from computer_terms;
-        term         | category |     comments     | length 
----------------------+----------+------------------+--------
- computer display    | X-A01-Y  | a comment 1      |     16
- computer graphics   | T-B01-Y  | a comment 2      |     17
- computer programmer | S-Z01-Y  | a comment 3      |     19
+        term         | category |     comments     | char_length 
+---------------------+----------+------------------+-------------
+ computer display    | X-A01-Y  | a comment 1      |          16
+ computer graphics   | T-B01-Y  | a comment 2      |          17
+ computer programmer | S-Z01-Y  | a comment 3      |          19
 (3 rows)
 
 select *,octet_length(term) from computer_terms;