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-rw-r--r--sql/sql_lex.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 76fd5354c51..6f9f667a75a 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -17,6 +17,9 @@
@defgroup Semantic_Analysis Semantic Analysis
*/
+#ifndef SQL_LEX_INCLUDED
+#define SQL_LEX_INCLUDED
+
/* YACC and LEX Definitions */
/* These may not be declared yet */
@@ -1979,3 +1982,4 @@ extern bool is_lex_native_function(const LEX_STRING *name);
int my_missing_function_error(const LEX_STRING &token, const char *name);
#endif /* MYSQL_SERVER */
+#endif /* SQL_LEX_INCLUDED */