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-rw-r--r--src/include/executor/execExpr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/executor/execExpr.h b/src/include/executor/execExpr.h
index d983a9a7fed..ef1fa37716d 100644
--- a/src/include/executor/execExpr.h
+++ b/src/include/executor/execExpr.h
@@ -356,6 +356,7 @@ typedef struct ExprEvalStep
/* faster to access without additional indirection: */
PGFunction fn_addr; /* actual call address */
int nargs; /* number of arguments */
+ bool make_ro; /* make arg0 R/O (used only for NULLIF) */
} func;
/* for EEOP_BOOL_*_STEP */