improved sql parser.

2023-03-04 19:17:16 +00:00 · 2017-06-08 09:28:08 +08:00
parent 2b75d0f853
commit 41a56b3c92
7 changed files with 230 additions and 67 deletions
@@ -0,0 +1,56 @@
+/*
+ * 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;
+
+import com.alibaba.druid.sql.OracleTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.util.JdbcConstants;
+
+import java.util.List;
+
+public class OracleLockTableTest4 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = "LOCK TABLE \"TAB9527\" IN EXCLUSIVE MODE  NOWAIT";
+
+        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
+        SQLStatement stmt = statementList.get(0);
+        print(statementList);
+
+        assertEquals(1, statementList.size());
+
+        assertEquals("LOCK TABLE \"TAB9527\" IN EXCLUSIVE MODE NOWAIT", SQLUtils.toOracleString(stmt));
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        stmt.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());
+
+        assertTrue(visitor.getTables().containsKey(new TableStat.Name("FIN_SETTLEMENT_DETAIL")));
+
+        assertEquals(1, visitor.getTables().size());
+        assertEquals(0, visitor.getColumns().size());
+
+//        Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("bonuses", "employee_id")));
+    }
+
+}