Add an assert that there are less than 2^16 unique strings in a column

ecmwf · Jul 31, 2024 · 7cbe8d4 · 7cbe8d4
1 parent baf3b3b
commit 7cbe8d4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/odc/codec/CodecOptimizer.h b/src/odc/codec/CodecOptimizer.h
@@ -94,6 +94,7 @@ int CodecOptimizer::setOptimalCodecs(core::MetaData& columns)
             case api::STRING:
 				{
                     n = col.coder().numStrings();
+                    ASSERT(n < 65536);
                                         if (n == 1 && col.coder().dataSizeDoubles() == 1)
 						codec = "constant_string";
 					else if(n < 256)