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-rw-r--r--src/include/optimizer/cost.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h
index d4adca6836a..58ac1638ec1 100644
--- a/src/include/optimizer/cost.h
+++ b/src/include/optimizer/cost.h
@@ -66,6 +66,7 @@ extern bool enable_nestloop;
extern bool enable_material;
extern bool enable_mergejoin;
extern bool enable_hashjoin;
+extern bool enable_fkey_estimates;
extern int constraint_exclusion;
extern double clamp_row_est(double nrows);