Merging upstream version 21.1.1.

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

sqlglot/expressions.py

@@ -1090,6 +1090,11 @@ class Create(DDL):
         "clone": False,
     }
 
+    @property
+    def kind(self) -> t.Optional[str]:
+        kind = self.args.get("kind")
+        return kind and kind.upper()
+
 
 # https://docs.snowflake.com/en/sql-reference/sql/create-clone
 # https://cloud.google.com/bigquery/docs/reference/standard-sql/data-definition-language#create_table_clone_statement
@@ -4626,6 +4631,11 @@ class CountIf(AggFunc):
     _sql_names = ["COUNT_IF", "COUNTIF"]
 
 
+# cube root
+class Cbrt(Func):
+    pass
+
+
 class CurrentDate(Func):
     arg_types = {"this": False}
 
@@ -4728,7 +4738,7 @@ class Extract(Func):
 
 
 class Timestamp(Func):
-    arg_types = {"this": False, "expression": False}
+    arg_types = {"this": False, "expression": False, "with_tz": False}
 
 
 class TimestampAdd(Func, TimeUnit):
@@ -4833,7 +4843,7 @@ class Posexplode(Explode):
     pass
 
 
-class PosexplodeOuter(Posexplode):
+class PosexplodeOuter(Posexplode, ExplodeOuter):
     pass
 
 
@@ -4868,6 +4878,7 @@ class Xor(Connector, Func):
 
 class If(Func):
     arg_types = {"this": True, "true": True, "false": False}
+    _sql_names = ["IF", "IIF"]
 
 
 class Nullif(Func):
@@ -6883,6 +6894,7 @@ def replace_tables(
                 table = to_table(
                     new_name,
                     **{k: v for k, v in node.args.items() if k not in TABLE_PARTS},
+                    dialect=dialect,
                 )
                 table.add_comments([original])
                 return table
@@ -7072,6 +7084,60 @@ def cast_unless(
     return cast(expr, to, **opts)
 
 
+def array(
+    *expressions: ExpOrStr, copy: bool = True, dialect: DialectType = None, **kwargs
+) -> Array:
+    """
+    Returns an array.
+
+    Examples:
+        >>> array(1, 'x').sql()
+        'ARRAY(1, x)'
+
+    Args:
+        expressions: the expressions to add to the array.
+        copy: whether or not to copy the argument expressions.
+        dialect: the source dialect.
+        kwargs: the kwargs used to instantiate the function of interest.
+
+    Returns:
+        An array expression.
+    """
+    return Array(
+        expressions=[
+            maybe_parse(expression, copy=copy, dialect=dialect, **kwargs)
+            for expression in expressions
+        ]
+    )
+
+
+def tuple_(
+    *expressions: ExpOrStr, copy: bool = True, dialect: DialectType = None, **kwargs
+) -> Tuple:
+    """
+    Returns an tuple.
+
+    Examples:
+        >>> tuple_(1, 'x').sql()
+        '(1, x)'
+
+    Args:
+        expressions: the expressions to add to the tuple.
+        copy: whether or not to copy the argument expressions.
+        dialect: the source dialect.
+        kwargs: the kwargs used to instantiate the function of interest.
+
+    Returns:
+        A tuple expression.
+    """
+    return Tuple(
+        expressions=[
+            maybe_parse(expression, copy=copy, dialect=dialect, **kwargs)
+            for expression in expressions
+        ]
+    )
+
+
 def true() -> Boolean:
     """
     Returns a true Boolean expression.