oracle sql parser support pl/sql raise statement.

2023-03-04 19:17:16 +00:00 · 2017-05-11 19:48:46 +08:00
parent fd817a5adf
commit 9a931e45d5
7 changed files with 190 additions and 226 deletions
@@ -0,0 +1,92 @@
+/*
+ * 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_case_2 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = "CASE l_employee_type\n" +
+				"   WHEN 'S' \n" +
+				"   THEN\n" +
+				"      award_bonus (l_employee_id);\n" +
+				"   WHEN 'H' \n" +
+				"   THEN\n" +
+				"      award_bonus (l_employee_id);\n" +
+				"   WHEN 'C' \n" +
+				"   THEN\n" +
+				"       award_commissioned_bonus (\n" +
+				"          l_employee_id);\n" +
+				"   ELSE\n" +
+				"       RAISE invalid_employee_type;\n" +
+				"END CASE;"; //
+
+        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("CASE l_employee_type\n" +
+							"\tWHEN 'S' THEN award_bonus(l_employee_id); \n" +
+							"\tWHEN 'H' THEN award_bonus(l_employee_id); \n" +
+							"\tWHEN 'C' THEN award_commissioned_bonus(l_employee_id);\n" +
+							"\tELSE RAISE invalid_employee_type;\n" +
+							"END CASE", //
+					output);
+		}
+		{
+			String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
+			assertEquals("case l_employee_type\n" +
+							"\twhen 'S' then award_bonus(l_employee_id); \n" +
+							"\twhen 'H' then award_bonus(l_employee_id); \n" +
+							"\twhen 'C' then award_commissioned_bonus(l_employee_id);\n" +
+							"\telse raise invalid_employee_type;\n" +
+							"end case", //
+					output);
+		}
+	}
+}