From 0c9c4b84b79a9fb26074fbd8b8cc47cede048d3b Mon Sep 17 00:00:00 2001
From: Alexander Barkov <bar@mariadb.org>
Date: Thu, 11 Aug 2016 15:47:17 +0400
Subject: [PATCH] MDEV-10411 Providing compatibility for basic PL/SQL
 constructs

Part 10: Default variable value: x INT := 10;
---
 mysql-test/suite/compat/oracle/r/sp.result | 15 +++++++++++++++
 mysql-test/suite/compat/oracle/t/sp.test   | 16 ++++++++++++++++
 sql/sql_yacc_ora.yy                        |  1 +
 3 files changed, 32 insertions(+)

diff --git a/mysql-test/suite/compat/oracle/r/sp.result b/mysql-test/suite/compat/oracle/r/sp.result
index f2e9eb6f226..1716fd41edc 100644
--- a/mysql-test/suite/compat/oracle/r/sp.result
+++ b/mysql-test/suite/compat/oracle/r/sp.result
@@ -1,4 +1,19 @@
 SET sql_mode=ORACLE;
+# Testing ":=" to set the default value of a variable
+CREATE FUNCTION f1 () RETURNS NUMBER(10) AS
+a NUMBER(10) := 10;
+BEGIN
+DECLARE
+b NUMBER(10) DEFAULT 3;
+BEGIN
+RETURN a+b;
+END;
+END;
+/
+SELECT f1();
+f1()
+13
+DROP FUNCTION f1;
 # Testing labels
 CREATE FUNCTION f1 (a INT) RETURNS CLOB AS
 BEGIN
diff --git a/mysql-test/suite/compat/oracle/t/sp.test b/mysql-test/suite/compat/oracle/t/sp.test
index 1880f153f2a..9ac4dbc7aed 100644
--- a/mysql-test/suite/compat/oracle/t/sp.test
+++ b/mysql-test/suite/compat/oracle/t/sp.test
@@ -1,5 +1,21 @@
 SET sql_mode=ORACLE;
 
+--echo # Testing ":=" to set the default value of a variable
+DELIMITER /;
+CREATE FUNCTION f1 () RETURNS NUMBER(10) AS
+  a NUMBER(10) := 10;
+BEGIN
+  DECLARE
+    b NUMBER(10) DEFAULT 3;
+  BEGIN
+    RETURN a+b;
+  END;
+END;
+/
+DELIMITER ;/
+SELECT f1();
+DROP FUNCTION f1;
+
 --echo # Testing labels
 
 DELIMITER /;
diff --git a/sql/sql_yacc_ora.yy b/sql/sql_yacc_ora.yy
index 0eec0946a30..dbcccd3bced 100644
--- a/sql/sql_yacc_ora.yy
+++ b/sql/sql_yacc_ora.yy
@@ -2851,6 +2851,7 @@ sp_decl_idents:
 sp_opt_default:
           /* Empty */ { $$ = NULL; }
         | DEFAULT expr { $$ = $2; }
+        | SET_VAR expr { $$ = $2; }
         ;
 
 /*