Workaround for clickhouse bug in numerical data parsing

cBioPortal · Dec 6, 2024 · 3a841ef · 3a841ef
1 parent 803f257
commit 3a841ef
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml b/src/main/resources/org/cbioportal/persistence/mybatisclickhouse/StudyViewMapper.xml
@@ -880,6 +880,9 @@
     -->
     <sql id="castStringValueToFloat">
         multiIf(
+             -- This condition is to prevent casting non numerical values to float
+            NOT match(${attribute_value}, '^[>&lt;]?=?[-+]?[0-9]*[.,]?[0-9]+$'),
+            NULL,
             (startsWith(${attribute_value}, '&lt;=') OR startsWith(${attribute_value}, '>=')),
             cast(substr(${attribute_value}, 3) as float),
             startsWith(${attribute_value}, '&lt;'),