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Code Issues Releases Wiki Activity

improved oracle pl/sql parser.

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This commit is contained in:
wenshao
2017-05-13 14:38:32 +08:00
parent 01ab972572
commit a5e4bdd645
16 changed files with 440 additions and 41 deletions
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src/test/java/com/alibaba/druid/bvt/sql/oracle/block/OracleBlockTest5.java
+7 -4
View File
@@ -17,6 +17,8 @@ package com.alibaba.druid.bvt.sql.oracle.block;
import java.util.List;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.util.JdbcConstants;
import org.junit.Assert;
import com.alibaba.druid.sql.OracleTest;
@@ -46,13 +48,14 @@ public class OracleBlockTest5 extends OracleTest {
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
print(statementList);
SQLStatement stmt = statementList.get(0);
String output = SQLUtils.toSQLString(stmt, JdbcConstants.ORACLE);
System.out.println(output);
Assert.assertEquals(1, statementList.size());
assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
statemen.accept(visitor);
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_case_1.java
+2 -4
View File
@@ -85,8 +85,7 @@ public class Oracle_pl_case_1 extends OracleTest {
"\t\tELSE ;\n" +
"\tEND CASE;\n" +
"\tEXCEPTION\n" +
"\t\tWHEN CASE_NOT_FOUND\n" +
"\t\t\tDBMS_OUTPUT.PUT_LINE('No such grade');\n" +
"\t\tWHEN CASE_NOT_FOUND THEN DBMS_OUTPUT.PUT_LINE('No such grade');\n" +
"END", //
output);
}
@@ -105,8 +104,7 @@ public class Oracle_pl_case_1 extends OracleTest {
"\t\telse ;\n" +
"\tend case;\n" +
"\texception\n" +
"\t\twhen CASE_NOT_FOUND\n" +
"\t\t\tDBMS_OUTPUT.PUT_LINE('No such grade');\n" +
"\t\twhen CASE_NOT_FOUND then DBMS_OUTPUT.PUT_LINE('No such grade');\n" +
"end", //
output);
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_for_3.java
+106
View File
@@ -0,0 +1,106 @@
/*
* 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_for_3 extends OracleTest {
public void test_0() throws Exception {
String sql = "DECLARE\n" +
" v_employees employees%ROWTYPE;\n" +
" CURSOR c1 is SELECT * FROM employees;\n" +
"BEGIN\n" +
" OPEN c1;\n" +
" -- Fetch entire row into v_employees record:\n" +
" FOR i IN 1..10 LOOP\n" +
" FETCH c1 INTO v_employees;\n" +
" EXIT WHEN c1%NOTFOUND;\n" +
" -- Process data here\n" +
" END LOOP;\n" +
" CLOSE c1;\n" +
"END;"; //
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
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(1, 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("DECLARE\n" +
"\tv_employees employees%ROWTYPE;\n" +
"\tCURSOR c1 IS\n" +
"\t\tSELECT *\n" +
"\t\tFROM employees;\n" +
"BEGIN\n" +
"\tOPEN c1;\n" +
"\tFOR i IN 1..10\n" +
"\tLOOP\n" +
"\t\tFETCH c1 INTO v_employees;\n" +
"\t\tEXIT WHEN c1%NOTFOUND;\n" +
"\tEND LOOP;\n" +
"\tCLOSE c1;\n" +
"END", //
output);
}
{
String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("declare\n" +
"\tv_employees employees%ROWTYPE;\n" +
"\tcursor c1 is\n" +
"\t\tselect *\n" +
"\t\tfrom employees;\n" +
"begin\n" +
"\topen c1;\n" +
"\tfor i in 1..10\n" +
"\tloop\n" +
"\t\tfetch c1 into v_employees;\n" +
"\t\texit when c1%NOTFOUND;\n" +
"\tend loop;\n" +
"\tclose c1;\n" +
"end", //
output);
}
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_for_4.java
+120
View File
@@ -0,0 +1,120 @@
/*
* 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_for_4 extends OracleTest {
public void test_0() throws Exception {
String sql = "DECLARE\n" +
" v_employees employees%ROWTYPE;\n" +
" CURSOR c1 is SELECT * FROM employees;\n" +
"BEGIN\n" +
" OPEN c1;\n" +
" \n" +
" -- Fetch entire row into v_employees record:\n" +
" <<outer_loop>>\n" +
" FOR i IN 1..10 LOOP\n" +
" -- Process data here\n" +
" FOR j IN 1..10 LOOP\n" +
" FETCH c1 INTO v_employees;\n" +
" CONTINUE outer_loop WHEN c1%NOTFOUND;\n" +
" -- Process data here\n" +
" END LOOP;\n" +
" END LOOP outer_loop;\n" +
" \n" +
" CLOSE c1;\n" +
"END;"; //
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
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(1, 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("DECLARE\n" +
"\tv_employees employees%ROWTYPE;\n" +
"\tCURSOR c1 IS\n" +
"\t\tSELECT *\n" +
"\t\tFROM employees;\n" +
"BEGIN\n" +
"\tOPEN c1;\n" +
"\t<<outer_loop>>\n" +
"\tFOR i IN 1..10\n" +
"\tLOOP\n" +
"\t\tFOR j IN 1..10\n" +
"\t\tLOOP\n" +
"\t\t\tFETCH c1 INTO v_employees;\n" +
"\t\t\tCONTINUE outer_loop WHEN c1%NOTFOUND;\n" +
"\t\tEND LOOP;\n" +
"\tEND LOOP outer_loop;\n" +
"\tCLOSE c1;\n" +
"END", //
output);
}
{
String output = SQLUtils.toSQLString(statementList, JdbcConstants.ORACLE, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("declare\n" +
"\tv_employees employees%ROWTYPE;\n" +
"\tcursor c1 is\n" +
"\t\tselect *\n" +
"\t\tfrom employees;\n" +
"begin\n" +
"\topen c1;\n" +
"\t<<outer_loop>>\n" +
"\tfor i in 1..10\n" +
"\tloop\n" +
"\t\tfor j in 1..10\n" +
"\t\tloop\n" +
"\t\t\tfetch c1 into v_employees;\n" +
"\t\t\tcontinue outer_loop when c1%NOTFOUND;\n" +
"\t\tend loop;\n" +
"\tend loop outer_loop;\n" +
"\tclose c1;\n" +
"end", //
output);
}
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/pl/Oracle_pl_open_for_0.java
+4 -4
View File
@@ -109,7 +109,7 @@ public class Oracle_pl_open_for_0 extends OracleTest {
"\t\tWHERE job_id LIKE 'AD_%';\n" +
"\tLOOP\n" +
"\t\tFETCH cv INTO sal, sal_multiple;\n" +
"\t\tEXIT WHEN cv % NOTFOUND;\n" +
"\t\tEXIT WHEN cv%NOTFOUND;\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal = ' || sal);\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal_multiple = ' || sal_multiple);\n" +
"\tEND LOOP;\n" +
@@ -121,7 +121,7 @@ public class Oracle_pl_open_for_0 extends OracleTest {
"\t\tWHERE job_id LIKE 'AD_%';\n" +
"\tLOOP\n" +
"\t\tFETCH cv INTO sal, sal_multiple;\n" +
"\t\tEXIT WHEN cv % NOTFOUND;\n" +
"\t\tEXIT WHEN cv%NOTFOUND;\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal = ' || sal);\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal_multiple = ' || sal_multiple);\n" +
"\tEND LOOP;\n" +
@@ -144,7 +144,7 @@ public class Oracle_pl_open_for_0 extends OracleTest {
"\t\twhere job_id like 'AD_%';\n" +
"\tloop\n" +
"\t\tfetch cv into sal, sal_multiple;\n" +
"\t\texit when cv % NOTFOUND;\n" +
"\t\texit when cv%NOTFOUND;\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal = ' || sal);\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal_multiple = ' || sal_multiple);\n" +
"\tend loop;\n" +
@@ -156,7 +156,7 @@ public class Oracle_pl_open_for_0 extends OracleTest {
"\t\twhere job_id like 'AD_%';\n" +
"\tloop\n" +
"\t\tfetch cv into sal, sal_multiple;\n" +
"\t\texit when cv % NOTFOUND;\n" +
"\t\texit when cv%NOTFOUND;\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal = ' || sal);\n" +
"\t\tDBMS_OUTPUT.PUT_LINE('sal_multiple = ' || sal_multiple);\n" +
"\tend loop;\n" +