Use | for consistency

alamb · Nov 4, 2024 · a813fe1 · a813fe1
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diff --git a/datafusion/sqllogictest/README.md b/datafusion/sqllogictest/README.md
@@ -118,21 +118,21 @@ Andrew
 ```
 
 To test trailing whitespace, project additional non-whitespace column on the
-right. For example, by selecting `'XX'` after the column of interest, the test
+right. For example, by selecting `'|'` after the column of interest, the test
 can distinguish between `Andrew` and `Andrew `:
 
 ```text
-#  Note two spaces between `Andrew` and `XX`
+# Note two spaces between `Andrew` and `|`
 query TT
-select substr('Andrew Lamb', 1, 7), 'XX';
+select substr('Andrew Lamb', 1, 7), '|'
 ----
-Andrew  XX
+Andrew  |
 
-# Note only one space between `Andrew` and `XX`
+# Note only one space between `Andrew` and `|`
 query TT
-select substr('Andrew Lamb', 1, 6), 'XX';
+select substr('Andrew Lamb', 1, 6), '|'
 ----
-Andrew XX
+Andrew |
 ```
 
 # Reference

diff --git a/datafusion/sqllogictest/test_files/functions.slt b/datafusion/sqllogictest/test_files/functions.slt
@@ -738,17 +738,21 @@ true
 
 
 ## Demonstrate how to test for trailing whitespace
+
+# Note no trailing whitespace
 query T
 select substr('Andrew Lamb', 1, 7)
 ----
 Andrew
 
+# Note two spaces between `Andrew` and `|`
 query TT
-select substr('Andrew Lamb', 1, 7), 'XX'
+select substr('Andrew Lamb', 1, 7), '|'
 ----
-Andrew  XX
+Andrew  |
 
+# Note only one space between `Andrew` and `|`
 query TT
-select substr('Andrew Lamb', 1, 6), 'XX'
+select substr('Andrew Lamb', 1, 6), '|'
 ----
-Andrew XX
+Andrew |