Alawn/Druid
1
0
Fork 0
mirror of https://github.com/alibaba/druid.git synced 2023-03-04 19:17:16 +00:00
Code Issues Releases Wiki Activity

improved oracle sql parser for pl/sql if.

Browse Source
This commit is contained in:
wenshao
2017-05-11 07:17:57 +08:00
parent f10921ec8f
commit 5693b8f2e9
6 changed files with 342 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
+11 -1
View File
@@ -1977,8 +1977,18 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
@Override
public boolean visit(SQLIfStatement x) {
print0(ucase ? "IF " : "if ");
int lines = this.lines;
incrementIndent();
x.getCondition().accept(this);
print0(ucase ? " THEN" : " then");
decrementIndent();
if (lines != this.lines) {
println();
} else {
print(' ');
}
print0(ucase ? "THEN" : "then");
incrementIndent();
println();
for (int i = 0, size = x.getStatements().size(); i < size; ++i) {
src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+3
View File
@@ -63,6 +63,8 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
protected boolean shardingSupport = false;
protected transient int lines = 0;
public SQLASTOutputVisitor(Appendable appender){
this.appender = appender;
}
@@ -283,6 +285,7 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
}
print0("\n");
lines++;
printIndent();
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_if_0.java
+76
View File
@@ -0,0 +1,76 @@
/*
* 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_if_0 extends OracleTest {
public void test_0() throws Exception {
String sql = "IF l_salary > 40000\n" +
"THEN\n" +
" give_bonus (l_employee_id,500);\n" +
"END IF;"; //
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("IF l_salary > 40000 THEN\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"END IF", //
output);
}
{
String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("if l_salary > 40000 then\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"end if", //
output);
}
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_if_1.java
+81
View File
@@ -0,0 +1,81 @@
/*
* 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_if_1 extends OracleTest {
public void test_0() throws Exception {
String sql = "IF l_salary > 40000 OR l_salary \n" +
"IS NULL\n" +
"THEN\n" +
" give_bonus (l_employee_id,500);\n" +
"END IF;"; //
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("IF l_salary > 40000\n" +
"\tOR l_salary IS NULL\n" +
"THEN\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"END IF", //
output);
}
{
String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("if l_salary > 40000\n" +
"\tor l_salary is null\n" +
"then\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"end if", //
output);
}
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_if_2.java
+82
View File
@@ -0,0 +1,82 @@
/*
* 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_if_2 extends OracleTest {
public void test_0() throws Exception {
String sql = "IF l_salary <= 40000\n" +
"THEN\n" +
" give_bonus (l_employee_id, 0);\n" +
"ELSE\n" +
" give_bonus (l_employee_id, 500);\n" +
"END IF;"; //
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("IF l_salary <= 40000 THEN\n" +
"\tgive_bonus(l_employee_id, 0);\n" +
"ELSE\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"END IF", //
output);
}
{
String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("if l_salary <= 40000 then\n" +
"\tgive_bonus(l_employee_id, 0);\n" +
"else\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"end if", //
output);
}
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_if_3.java
+89
View File
@@ -0,0 +1,89 @@
/*
* 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_if_3 extends OracleTest {
public void test_0() throws Exception {
String sql = "IF l_salary BETWEEN 10000 AND 20000\n" +
"THEN\n" +
" give_bonus(l_employee_id, 1000);\n" +
"ELSIF l_salary > 20000\n" +
"THEN\n" +
" give_bonus(l_employee_id, 500);\n" +
"ELSE\n" +
" give_bonus(l_employee_id, 0);\n" +
"END IF;"; //
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("IF l_salary BETWEEN 10000 AND 20000 THEN\n" +
"\tgive_bonus(l_employee_id, 1000);\n" +
"ELSE IF l_salary > 20000 THEN\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"ELSE\n" +
"\tgive_bonus(l_employee_id, 0);\n" +
"END IF", //
output);
}
{
String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("if l_salary between 10000 and 20000 then\n" +
"\tgive_bonus(l_employee_id, 1000);\n" +
"else if l_salary > 20000 then\n" +
"\tgive_bonus(l_employee_id, 500);\n" +
"else\n" +
"\tgive_bonus(l_employee_id, 0);\n" +
"end if", //
output);
}
}
}