undo the _sql position

Author: AbhishekASLK

sqlglot/dialects/mysql.py

@@ -756,20 +756,13 @@ class Generator(generator.Generator):
         VARCHAR_REQUIRES_SIZE = True
         SUPPORTS_MEDIAN = False
 
-        def chr_sql(self, expression: exp.Chr) -> str:
-            this = self.expressions(sqls=[expression.this] + expression.expressions)
-            charset = expression.args.get("charset")
-            using = f" USING {self.sql(charset)}" if charset else ""
-            return f"CHAR({this}{using})"
-
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,
             exp.ArrayAgg: rename_func("GROUP_CONCAT"),
             exp.BitwiseAndAgg: rename_func("BIT_AND"),
             exp.BitwiseOrAgg: rename_func("BIT_OR"),
             exp.BitwiseXorAgg: rename_func("BIT_XOR"),
             exp.BitwiseCount: rename_func("BIT_COUNT"),
-            exp.Chr: chr_sql,
             exp.CurrentDate: no_paren_current_date_sql,
             exp.DateDiff: _remove_ts_or_ds_to_date(
                 lambda self, e: self.func("DATEDIFF", e.this, e.expression), ("this", "expression")
@@ -1311,6 +1304,12 @@ def _oldstyle_limit_sql(self, expression: exp.Show) -> str:
                 return f" LIMIT {limit_offset}"
             return ""
 
+        def chr_sql(self, expression: exp.Chr) -> str:
+            this = self.expressions(sqls=[expression.this] + expression.expressions)
+            charset = expression.args.get("charset")
+            using = f" USING {self.sql(charset)}" if charset else ""
+            return f"CHAR({this}{using})"
+
         def timestamptrunc_sql(self, expression: exp.TimestampTrunc) -> str:
             unit = expression.args.get("unit")
 

sqlglot/dialects/singlestore.py

@@ -346,7 +346,6 @@ def _unicode_substitute(m: re.Match[str]) -> str:
 
         TRANSFORMS = {
             **MySQL.Generator.TRANSFORMS,
-            # exp.Chr set below to ensure override
             exp.TsOrDsToDate: lambda self, e: self.func("TO_DATE", e.this, self.format_time(e))
             if e.args.get("format")
             else self.func("DATE", e.this),