1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/parser/parse_expr.h b/src/include/parser/parse_expr.h
new file mode 100644
index 0000000..8ac4a0a
--- /dev/null
+++ b/src/include/parser/parse_expr.h
@@ -0,0 +1,25 @@
+/*-------------------------------------------------------------------------
+ *
+ * parse_expr.h
+ *	  handle expressions in parser
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/parser/parse_expr.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PARSE_EXPR_H
+#define PARSE_EXPR_H
+
+#include "parser/parse_node.h"
+
+/* GUC parameters */
+extern bool Transform_null_equals;
+
+extern Node *transformExpr(ParseState *pstate, Node *expr, ParseExprKind exprKind);
+
+extern const char *ParseExprKindName(ParseExprKind exprKind);
+
+#endif							/* PARSE_EXPR_H */