Adding upstream version 17.11.0.

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

sqlglot/dialects/snowflake.py

@@ -297,9 +297,10 @@ class Snowflake(Dialect):
             return super()._parse_id_var(any_token=any_token, tokens=tokens)
 
     class Tokenizer(tokens.Tokenizer):
-        QUOTES = ["'", "$$"]
+        QUOTES = ["'"]
         STRING_ESCAPES = ["\\", "'"]
         HEX_STRINGS = [("x'", "'"), ("X'", "'")]
+        RAW_STRINGS = ["$$"]
         COMMENTS = ["--", "//", ("/*", "*/")]
 
         KEYWORDS = {
@@ -363,6 +364,7 @@ class Snowflake(Dialect):
             exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
             exp.Select: transforms.preprocess([transforms.eliminate_distinct_on]),
             exp.StarMap: rename_func("OBJECT_CONSTRUCT"),
+            exp.StartsWith: rename_func("STARTSWITH"),
             exp.StrPosition: lambda self, e: self.func(
                 "POSITION", e.args.get("substr"), e.this, e.args.get("position")
             ),
@@ -382,6 +384,7 @@ class Snowflake(Dialect):
             exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
             exp.UnixToTime: _unix_to_time_sql,
             exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+            exp.WeekOfYear: rename_func("WEEKOFYEAR"),
         }
 
         TYPE_MAPPING = {