improved oracle pl/sql parser.

This commit is contained in:
wenshao
2017-05-13 05:03:10 +08:00
parent b6a15a3c23
commit 33914b35df
10 changed files with 364 additions and 35 deletions
@@ -80,9 +80,9 @@ public class Oracle_pl_open_for_1 extends OracleTest {
String output = SQLUtils.toOracleString(stmt);
System.out.println(output);
assertEquals("DECLARE\n" +
"\tTYPE empcurtyp REF CURSOR;\n" +
"\tTYPE employees.last_name employees.last_name%TYPE;\n" +
"\tTYPE employees.salary employees.salary%TYPE;\n" +
"\tTYPE empcurtyp IS REF CURSOR;\n" +
"\tTYPE employees.last_name IS TABLE OF employees.last_name%TYPE;\n" +
"\tTYPE employees.salary IS TABLE OF employees.salary%TYPE;\n" +
"\temp_cv empcurtyp;\n" +
"\tnames namelist;\n" +
"\tsals sallist;\n" +
@@ -104,9 +104,9 @@ public class Oracle_pl_open_for_1 extends OracleTest {
{
String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("declare\n" +
"\ttype empcurtyp REF CURSOR;\n" +
"\ttype employees.last_name employees.last_name%TYPE;\n" +
"\ttype employees.salary employees.salary%TYPE;\n" +
"\ttype empcurtyp is REF CURSOR;\n" +
"\ttype employees.last_name is TABLE OF employees.last_name%TYPE;\n" +
"\ttype employees.salary is TABLE OF employees.salary%TYPE;\n" +
"\temp_cv empcurtyp;\n" +
"\tnames namelist;\n" +
"\tsals sallist;\n" +
@@ -0,0 +1,117 @@
/*
* 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_open_for_2 extends OracleTest {
public void test_0() throws Exception {
String sql = "DROP TABLE employees_temp;\n" +
"CREATE TABLE employees_temp AS SELECT * FROM employees;\n" +
"\n" +
"DECLARE\n" +
" TYPE NumList IS VARRAY(20) OF NUMBER;\n" +
" depts NumList := NumList(10, 30, 70); -- department numbers\n" +
"BEGIN\n" +
" FOR i IN depts.FIRST..depts.LAST LOOP\n" +
" DELETE FROM employees_temp\n" +
" WHERE department_id = depts(i);\n" +
" END LOOP;\n" +
"END;"; //
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
assertEquals(3, statementList.size());
SQLStatement stmt = statementList.get(0);
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(2, 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.toSQLString(statementList, JdbcConstants.ORACLE);
System.out.println(output);
assertEquals("DROP TABLE employees_temp;\n" +
"\n" +
"CREATE TABLE employees_temp\n" +
"AS\n" +
"SELECT *\n" +
"FROM employees;\n" +
"\n" +
"DECLARE\n" +
"\tTYPE NumList IS VARRAY(20) OF NUMBER;\n" +
"\tdepts NumList := NumList(10, 30, 70);\n" +
"BEGIN\n" +
"\tFOR i IN depts.FIRST..depts.LAST\n" +
"\tLOOP\n" +
"\t\tDELETE FROM employees_temp\n" +
"\t\tWHERE department_id = depts(i);\n" +
"\t\t;\n" +
"\tEND LOOP;\n" +
"END;\n", //
output);
}
{
String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("drop table employees_temp;\n" +
"\n" +
"create table employees_temp\n" +
"as\n" +
"select *\n" +
"from employees;\n" +
"\n" +
"declare\n" +
"\ttype NumList is VARRAY(20) OF NUMBER;\n" +
"\tdepts NumList := NumList(10, 30, 70);\n" +
"begin\n" +
"\tfor i in depts.FIRST..depts.LAST\n" +
"\tloop\n" +
"\t\tdelete from employees_temp\n" +
"\t\twhere department_id = depts(i);\n" +
"\t\t;\n" +
"\tend loop;\n" +
"end;\n", //
output);
}
}
}
@@ -0,0 +1,105 @@
/*
* 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_open_forall_0 extends OracleTest {
public void test_0() throws Exception {
String sql = "DROP TABLE employees_temp;\n" +
"CREATE TABLE employees_temp AS SELECT * FROM employees;\n" +
"\n" +
"DECLARE\n" +
" TYPE NumList IS VARRAY(20) OF NUMBER;\n" +
" depts NumList := NumList(10, 30, 70); -- department numbers\n" +
"BEGIN\n" +
" FORALL i IN depts.FIRST..depts.LAST\n" +
" DELETE FROM employees_temp\n" +
" WHERE department_id = depts(i);\n" +
"END;"; //
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
assertEquals(3, 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(2, 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.toSQLString(statementList, JdbcConstants.ORACLE);
System.out.println(output);
assertEquals("DROP TABLE employees_temp;\n" +
"\n" +
"CREATE TABLE employees_temp\n" +
"AS\n" +
"SELECT *\n" +
"FROM employees;\n" +
"\n" +
"DECLARE\n" +
"\tTYPE NumList IS VARRAY(20) OF NUMBER;\n" +
"\tdepts NumList := NumList(10, 30, 70);\n" +
"BEGIN\n" +
"\tFORALL i IN depts.FIRST..depts.LAST\n" +
"\t\tDELETE FROM employees_temp\n" +
"\t\tWHERE department_id = depts(i);\n" +
"END;\n", //
output);
}
{
String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("drop table employees_temp;\n" +
"\n" +
"create table employees_temp\n" +
"as\n" +
"select *\n" +
"from employees;\n" +
"\n" +
"declare\n" +
"\ttype NumList is VARRAY(20) OF NUMBER;\n" +
"\tdepts NumList := NumList(10, 30, 70);\n" +
"begin\n" +
"\tforall i in depts.FIRST..depts.LAST\n" +
"\t\tdelete from employees_temp\n" +
"\t\twhere department_id = depts(i);\n" +
"end;\n", //
output);
}
}
}