Fix gp_hyperloglog cstring type hadnling (#953)

fixes issue #952
apache · Feb 25, 2025 · 00da831 · 00da831
1 parent c9511cc
commit 00da831
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/backend/utils/hyperloglog/gp_hyperloglog.c b/src/backend/utils/hyperloglog/gp_hyperloglog.c
@@ -786,6 +786,11 @@ gp_hyperloglog_add_item(GpHLLCounter hllcounter, Datum element, int16 typlen, bo
 		/* varlena */
 		hyperloglog = gp_hll_add_element(hyperloglog, VARDATA_ANY(element), VARSIZE_ANY_EXHDR(element));
 	}
+	else if (typlen == -2)
+	{
+		/* cstring */
+		hyperloglog = gp_hll_add_element(hyperloglog,  DatumGetCString(element), strlen(DatumGetCString(element)));
+	}
 	else if (typbyval)
 	{
 		/* fixed-length, passed by value */