named exec procedure parameters

Author: wumpz

README.md

@@ -55,6 +55,7 @@ Also I would like to know about needed examples or documentation stuff.
 
 ## Extensions in the latest SNAPSHOT version 2.0
 
+* support of named parameters for execute: **EXEC procedure @param = 'foo'**
 * support multivalue set statement
 * support of **describe**
 * support of **explain**

src/main/java/net/sf/jsqlparser/statement/execute/Execute.java

@@ -2,7 +2,7 @@
  * #%L
  * JSQLParser library
  * %%
- * Copyright (C) 2004 - 2014 JSQLParser
+ * Copyright (C) 2004 - 2019 JSQLParser
  * %%
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -2,7 +2,7 @@
  * #%L
  * JSQLParser library
  * %%
- * Copyright (C) 2004 - 2014 JSQLParser
+ * Copyright (C) 2004 - 2019 JSQLParser
  * %%
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as
@@ -3039,10 +3039,25 @@ RowConstructor RowConstructor(): {
     }
 }
 
+EqualsTo VariableExpression(): {
+    Expression left;
+    Expression right;
+} {
+    left = UserVariable() "=" right = SimpleExpression()
+    {
+        EqualsTo equals = new EqualsTo();
+        equals.setLeftExpression(left);
+        equals.setRightExpression(right);
+        return equals;
+    }
+}
+
 Execute Execute(): {
     List<String> funcName;
     ExpressionList expressionList = null;
     Execute execute = new Execute();
+    List<Expression> namedExprList;
+    Expression expr;
 }
 {
     (<K_EXEC> { execute.setExecType(Execute.EXEC_TYPE.EXEC); } 
@@ -3052,6 +3067,10 @@ Execute Execute(): {
     funcName=RelObjectNameList() { execute.setName(funcName); }
 
     ( 
+        LOOKAHEAD(3) ( expr = VariableExpression() { namedExprList = new ArrayList<Expression>(); namedExprList.add( expr ); }
+                ( "," expr = VariableExpression() { namedExprList.add(expr); })* 
+                { expressionList = new ExpressionList(namedExprList); } )
+        |
         LOOKAHEAD(3) expressionList=SimpleExpressionList() 
         |
         ("(" expressionList=SimpleExpressionList() ")" { execute.setParenthesis(true); })

src/test/java/net/sf/jsqlparser/statement/execute/ExecuteTest.java

@@ -80,4 +80,24 @@ public void testCallWithMultiname() throws JSQLParserException {
     public void testAcceptCallWithParenthesis() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("CALL myproc ('a', 2, 'b')");
     }
+
+    @Test
+    public void testAcceptExecNamesParameters() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("EXEC procedure @param");
+    }
+
+    @Test
+    public void testAcceptExecNamesParameters2() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("EXEC procedure @param = 1");
+    }
+
+    @Test
+    public void testAcceptExecNamesParameters3() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("EXEC procedure @param = 'foo'");
+    }
+
+    @Test
+    public void testAcceptExecNamesParameters4() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("EXEC procedure @param = 'foo', @param2 = 'foo2'");
+    }
 }