Update sqlglot to support 27.0.0 or later

pyproject.toml

@@ -49,7 +49,7 @@ dependencies = ["databricks-sdk>=0.58.0,<0.59.0",
                 "databricks-labs-lsql>=0.16.0,<0.17.0",
                 "databricks-labs-blueprint>=0.11.0,<0.12.0",
                 "PyYAML>=6.0.0,<6.1.0",
-                "sqlglot>=26.7.0,<26.8.0",
+                "sqlglot>=26.7.0,<27.1.0",
                 "astroid>=3.3.0,<3.4.0"]
 
 [project.optional-dependencies]

src/databricks/labs/ucx/source_code/sql/sql_parser.py

@@ -3,8 +3,8 @@
 from typing import TypeVar
 
 from sqlglot import parse
-from sqlglot.errors import SqlglotError
-from sqlglot.expressions import Create, Delete, Drop, Expression, Select, Table, Update, Use
+from sqlglot.errors import SqlglotError, UnsupportedError
+from sqlglot.expressions import Create, Delete, Drop, Expression, Select, Table, Update, Use, Identifier
 
 from databricks.labs.ucx.source_code.base import UsedTable, CurrentSessionState
 
@@ -54,6 +54,13 @@ def _collect_table_info(
         if not src_schema:
             logger.warning(f"Could not determine schema for table {table.name}")
             return None
+        # Sqlglot handlers parameter markers by returning an Identifier as the name instead of a string.
+        # For example: {foo} -> Identifier(this=foo)
+        if isinstance(table.name, Identifier):
+            # TODO: Support these properly, for example by inferring the placeholder value from the outside context.
+            msg = f"Table placeholder detected, not yet supported: {{{table.name}}}"
+            logger.debug(msg)
+            raise UnsupportedError(msg)
         return UsedTable(
             catalog_name=catalog_name,
             schema_name=src_schema,