[b/328439985] Convert negative SQRT operands to NULL in dialect.tdd (#44

)
looker-open-source · Mar 11, 2024 · 7f5651d · 7f5651d
1 parent dee1399
commit 7f5651d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/connector/tableau/looker-jdbc/dialect.tdd b/connector/tableau/looker-jdbc/dialect.tdd
@@ -239,7 +239,8 @@
       <argument type='real' />
     </function>
     <function group='numeric' name='SQRT' return-type='real'>
-      <formula>SQRT(%1)</formula>
+      <!-- BQ throws an error on negative numbers, instead we want NULL. -->
+      <formula>SQRT(IF(%1 < 0, NULL, %1))</formula>
       <argument type='real' />
     </function>
     <function group='numeric' name='SQUARE' return-type='real'>