Retain first semi-colon instead of removing it in SQL template (#621)

Author: nakamura-to

doma-core/src/main/java/org/seasar/doma/internal/jdbc/sql/SqlParser.java

@@ -232,6 +232,10 @@ public SqlNode parse() {
             break;
           }
         case DELIMITER:
+          {
+            parseDelimiter();
+            break outer;
+          }
         case EOF:
           {
             break outer;
@@ -557,6 +561,10 @@ protected void parseEOL() {
     appendNode(node);
   }
 
+  protected void parseDelimiter() {
+    appendNode(OtherNode.of(token));
+  }
+
   protected boolean containsOnlyWhitespaces(SqlNode node) {
     for (SqlNode child : node.getChildren()) {
       if (!(child instanceof WhitespaceNode)) {

doma-core/src/test/java/org/seasar/doma/internal/jdbc/sql/SqlParserTest.java

@@ -943,6 +943,18 @@ public void testManyEol() throws WrapException {
     assertNotNull(sqlNode);
   }
 
+  @Test
+  public void testDelimiter() {
+    ExpressionEvaluator evaluator = new ExpressionEvaluator();
+    SqlParser parser = new SqlParser("select 1; select 2;");
+    SqlNode sqlNode = parser.parse();
+    PreparedSql sql =
+        new NodePreparedSqlBuilder(
+                config, SqlKind.SELECT, "dummyPath", evaluator, SqlLogType.FORMATTED)
+            .build(sqlNode, Function.identity());
+    assertEquals("select 1;", sql.getRawSql());
+  }
+
   public enum MyEnum {
     AAA,
     BBB,