update error message

Author: alamb

datafusion/sql/src/statement.rs

@@ -754,10 +754,7 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
                     return not_impl_err!("SHOW COLUMNS LIMIT FROM not supported")?;
                 }
                 if filter_position.is_some() {
-                    return not_impl_err!("SHOW COLUMNS FILTER not supported")?;
-                }
-                if filter_position.is_some() {
-                    return not_impl_err!("SHOW COLUMNS FILTER not supported")?;
+                    return not_impl_err!("SHOW COLUMNS with WHERE or LIKE is not supported")?;
                 }
                 let Some(ShowStatementIn {
                     // specifies if the syntax was `SHOW COLUMNS IN` or `SHOW

datafusion/sqllogictest/test_files/information_schema.slt

@@ -483,10 +483,10 @@ set datafusion.catalog.information_schema = true;
 statement ok
 CREATE TABLE t AS SELECT 1::int as i;
 
-statement error Error during planning: SHOW COLUMNS with WHERE or LIKE is not supported
+statement error DataFusion error: This feature is not implemented: SHOW COLUMNS with WHERE or LIKE is not supported
 SHOW COLUMNS FROM t LIKE 'f';
 
-statement error Error during planning: SHOW COLUMNS with WHERE or LIKE is not supported
+statement error DataFusion error: This feature is not implemented: SHOW COLUMNS with WHERE or LIKE is not supported
 SHOW COLUMNS FROM t WHERE column_name = 'bar';
 
 query TTTTTT