Adding upstream version 26.12.0.

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

sqlglot/expressions.py

@@ -3067,6 +3067,11 @@ class UnloggedProperty(Property):
     arg_types = {}
 
 
+# https://docs.snowflake.com/en/sql-reference/sql/create-table#create-table-using-template
+class UsingTemplateProperty(Property):
+    arg_types = {"this": True}
+
+
 # https://learn.microsoft.com/en-us/sql/t-sql/statements/create-view-transact-sql?view=sql-server-ver16
 class ViewAttributeProperty(Property):
     arg_types = {"this": True}
@@ -7012,7 +7017,7 @@ def maybe_copy(instance, copy=True):
     return instance.copy() if copy and instance else instance
 
 
-def _to_s(node: t.Any, verbose: bool = False, level: int = 0) -> str:
+def _to_s(node: t.Any, verbose: bool = False, level: int = 0, repr_str: bool = False) -> str:
     """Generate a textual representation of an Expression tree"""
     indent = "\n" + ("  " * (level + 1))
     delim = f",{indent}"
@@ -7033,7 +7038,10 @@ def _to_s(node: t.Any, verbose: bool = False, level: int = 0) -> str:
             indent = ""
             delim = ", "
 
-        items = delim.join([f"{k}={_to_s(v, verbose, level + 1)}" for k, v in args.items()])
+        repr_str = node.is_string or (isinstance(node, Identifier) and node.quoted)
+        items = delim.join(
+            [f"{k}={_to_s(v, verbose, level + 1, repr_str=repr_str)}" for k, v in args.items()]
+        )
         return f"{node.__class__.__name__}({indent}{items})"
 
     if isinstance(node, list):
@@ -7041,6 +7049,10 @@ def _to_s(node: t.Any, verbose: bool = False, level: int = 0) -> str:
         items = f"{indent}{items}" if items else ""
         return f"[{items}]"
 
+    # We use the representation of the string to avoid stripping out important whitespace
+    if repr_str and isinstance(node, str):
+        node = repr(node)
+
     # Indent multiline strings to match the current level
     return indent.join(textwrap.dedent(str(node).strip("\n")).splitlines())