improved oracle sql parser. for pl/sql in_out parameter.

2023-03-04 19:17:16 +00:00 · 2017-05-12 01:00:45 +08:00
parent bee259a0b4
commit 9c971bc013
5 changed files with 120 additions and 3 deletions
@@ -0,0 +1,87 @@
+/*
+ * Copyright 1999-2017 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.oracle.pl;
+
+import com.alibaba.druid.sql.OracleTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
+import com.alibaba.druid.util.JdbcConstants;
+
+import java.util.List;
+
+public class Oracle_pl_param_inout_0 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = "CREATE OR REPLACE PROCEDURE reassign (\n" +
+				"  p IN OUT NOCOPY hr.person_typ,\n" +
+				"  new_job VARCHAR2\n" +
+				") AS\n" +
+				"BEGIN\n" +
+				"  p.change_job(new_job);  -- runs with privileges of OE\n" +
+				"END;"; //
+
+        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
+		SQLStatement stmt = statementList.get(0);
+
+        assertEquals(1, statementList.size());
+
+        SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
+        for (SQLStatement statement : statementList) {
+            statement.accept(visitor);
+        }
+
+//        System.out.println("Tables : " + visitor.getTables());
+//        System.out.println("fields : " + visitor.getColumns());
+//        System.out.println("coditions : " + visitor.getConditions());
+//        System.out.println("relationships : " + visitor.getRelationships());
+//        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        assertEquals(0, visitor.getTables().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("emp_name")));
+
+//        Assert.assertEquals(7, visitor.getColumns().size());
+//        Assert.assertEquals(3, visitor.getConditions().size());
+//        Assert.assertEquals(1, visitor.getRelationships().size());
+
+        // Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));
+
+		{
+			String output = SQLUtils.toOracleString(stmt);
+			assertEquals("CREATE OR REPLACE PROCEDURE reassign (\n" +
+							"\tp IN OUT NOCOPY hr.person_typ, \n" +
+							"\tnew_job VARCHAR2\n" +
+							")\n" +
+							"BEGIN\n" +
+							"\tp.change_job(new_job);\n" +
+							"END", //
+					output);
+		}
+		{
+			String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
+			assertEquals("create or replace procedure reassign (\n" +
+							"\tp in out nocopy hr.person_typ, \n" +
+							"\tnew_job VARCHAR2\n" +
+							")\n" +
+							"begin\n" +
+							"\tp.change_job(new_job);\n" +
+							"end", //
+					output);
+		}
+	}
+}