Cols from SQL temporary fix

moj-analytical-services · Mar 2, 2022 · 32ea69b · 32ea69b
1 parent ff503de
commit 32ea69b
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "splink"
-version = "2.1.9"
+version = "2.1.10"
 description = "Implementation of Fellegi-Sunter's canonical model of record linkage in Apache Spark, including EM algorithm to estimate parameters"
 authors = ["Robin Linacre <robinlinacre@hotmail.com>", "Sam Lindsay", "Theodore Manassis"]
 license = "MIT"

diff --git a/splink/parse_case_statement.py b/splink/parse_case_statement.py
@@ -11,7 +11,7 @@ def get_columns_used_from_sql(sql):
         subtree = tup[0]
         if type(subtree) is Column:
             column_names.add(subtree.sql())
-        elif type(subtree) is Bracket:
+        elif type(subtree) is Bracket and subtree.text("this") not in ('','x'):
             column_names.add(subtree.text("this"))
 
     return list(column_names)