Merging upstream version 10.6.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>

sqlglot/dialects/mysql.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import typing as t
-
 from sqlglot import exp, generator, parser, tokens
 from sqlglot.dialects.dialect import (
     Dialect,
@@ -98,6 +96,8 @@ def _date_add_sql(kind):
 
 
 class MySQL(Dialect):
+    time_format = "'%Y-%m-%d %T'"
+
     # https://prestodb.io/docs/current/functions/datetime.html#mysql-date-functions
     time_mapping = {
         "%M": "%B",
@@ -110,6 +110,7 @@ class MySQL(Dialect):
         "%u": "%W",
         "%k": "%-H",
         "%l": "%-I",
+        "%T": "%H:%M:%S",
     }
 
     class Tokenizer(tokens.Tokenizer):
@@ -428,6 +429,7 @@ class MySQL(Dialect):
             )
 
     class Generator(generator.Generator):
+        LOCKING_READS_SUPPORTED = True
         NULL_ORDERING_SUPPORTED = False
 
         TRANSFORMS = {
@@ -449,23 +451,12 @@ class MySQL(Dialect):
             exp.StrPosition: strposition_to_locate_sql,
         }
 
-        ROOT_PROPERTIES = {
-            exp.EngineProperty,
-            exp.AutoIncrementProperty,
-            exp.CharacterSetProperty,
-            exp.CollateProperty,
-            exp.SchemaCommentProperty,
-            exp.LikeProperty,
-        }
-
         TYPE_MAPPING = generator.Generator.TYPE_MAPPING.copy()
         TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMTEXT)
         TYPE_MAPPING.pop(exp.DataType.Type.LONGTEXT)
         TYPE_MAPPING.pop(exp.DataType.Type.MEDIUMBLOB)
         TYPE_MAPPING.pop(exp.DataType.Type.LONGBLOB)
 
-        WITH_PROPERTIES: t.Set[t.Type[exp.Property]] = set()
-
         def show_sql(self, expression):
             this = f" {expression.name}"
             full = " FULL" if expression.args.get("full") else ""