improved db2 parser create table support.

This commit is contained in:
wenshao
2017-10-09 21:00:00 +08:00
parent 8f44fb09b4
commit 141aca0cd3
6 changed files with 234 additions and 1 deletions
@@ -15,6 +15,7 @@
*/
package com.alibaba.druid.sql.dialect.db2.ast.stmt;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
import com.alibaba.druid.sql.dialect.db2.ast.DB2Statement;
import com.alibaba.druid.sql.dialect.db2.visitor.DB2ASTVisitor;
@@ -24,6 +25,9 @@ public class DB2CreateTableStatement extends SQLCreateTableStatement implements
private boolean dataCaptureNone;
private boolean dataCaptureChanges;
protected SQLName database;
protected SQLName validproc;
public boolean isDataCaptureNone() {
return dataCaptureNone;
}
@@ -40,6 +44,28 @@ public class DB2CreateTableStatement extends SQLCreateTableStatement implements
this.dataCaptureChanges = dataCaptureChanges;
}
public SQLName getDatabase() {
return database;
}
public void setDatabase(SQLName database) {
if (database != null) {
database.setParent(this);
}
this.database = database;
}
public SQLName getValidproc() {
return validproc;
}
public void setValidproc(SQLName validproc) {
if (validproc != null) {
validproc.setParent(this);
}
this.validproc = validproc;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor instanceof DB2ASTVisitor) {
@@ -57,6 +83,8 @@ public class DB2CreateTableStatement extends SQLCreateTableStatement implements
this.acceptChild(visitor, tableElementList);
this.acceptChild(visitor, inherits);
this.acceptChild(visitor, select);
this.acceptChild(visitor, database);
this.acceptChild(visitor, validproc);
}
visitor.endVisit(this);
}
@@ -143,7 +143,9 @@ public class DB2CreateTableParser extends SQLCreateTableParser {
lexer.nextToken();
if (lexer.token() == Token.DATABASE) {
throw new ParserException("TODO " + lexer.info());
lexer.nextToken();
SQLName database = this.exprParser.name();
createTable.setDatabase(database);
} else if (lexer.identifierEquals("tablespace")) {
throw new ParserException("TODO " + lexer.info());
} else {
@@ -164,6 +166,10 @@ public class DB2CreateTableParser extends SQLCreateTableParser {
acceptIdentifier("HASHING");
createTable.setPartitioning(partitionBy);
continue;
} else if (lexer.identifierEquals(FnvHash.Constants.VALIDPROC)) {
lexer.nextToken();
SQLName validproc = this.exprParser.name();
createTable.setValidproc(validproc);
}
break;
}
@@ -98,6 +98,20 @@ public class DB2OutputVisitor extends SQLASTOutputVisitor implements DB2ASTVisit
tablespace.accept(this);
}
SQLName database = x.getDatabase();
if (database != null) {
println();
print("IN DATABASE ");
database.accept(this);
}
SQLName validproc = x.getValidproc();
if (validproc != null) {
println();
print("VALIDPROC ");
validproc.accept(this);
}
SQLPartitionBy partitionBy = x.getPartitioning();
if (partitionBy != null) {
println();
@@ -512,5 +512,6 @@ public final class FnvHash {
long LATERAL = fnv1a_64_lower("LATERAL");
long NONE = fnv1a_64_lower("NONE");
long PARTITIONING = fnv1a_64_lower("PARTITIONING");
long VALIDPROC = fnv1a_64_lower("VALIDPROC");
}
}
@@ -0,0 +1,88 @@
/*
* 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.db2;
import com.alibaba.druid.sql.DB2Test;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.db2.parser.DB2StatementParser;
import com.alibaba.druid.sql.dialect.db2.visitor.DB2SchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.util.JdbcConstants;
import org.junit.Assert;
import java.util.List;
public class DB2CreateTableTest_02 extends DB2Test {
public void test_0() throws Exception {
String sql = " CREATE TABLE DSN8A10.DEPT\n" +
" (DEPTNO CHAR(3) NOT NULL,\n" +
" DEPTNAME VARCHAR(36) NOT NULL,\n" +
" MGRNO CHAR(6) ,\n" +
" ADMRDEPT CHAR(3) NOT NULL,\n" +
" LOCATION CHAR(16) ,\n" +
" PRIMARY KEY(DEPTNO) )\n" +
" IN DSN8D10A.DSN8S10D;";
DB2StatementParser parser = new DB2StatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
System.out.println(SQLUtils.toDB2String(stmt));
Assert.assertEquals(1, statementList.size());
DB2SchemaStatVisitor visitor = new DB2SchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
// System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(6, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertTrue(visitor.containsTable("DSN8A10.DEPT"));
// Assert.assertTrue(visitor.getColumns().contains(new Column("DSN8B10.EMP", "WORKDEPT")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "first_name")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "full_name")));
Assert.assertEquals("CREATE TABLE DSN8A10.DEPT (\n" +
"\tDEPTNO CHAR(3) NOT NULL,\n" +
"\tDEPTNAME VARCHAR(36) NOT NULL,\n" +
"\tMGRNO CHAR(6),\n" +
"\tADMRDEPT CHAR(3) NOT NULL,\n" +
"\tLOCATION CHAR(16),\n" +
"\tPRIMARY KEY (DEPTNO)\n" +
")\n" +
"IN DSN8D10A.DSN8S10D;", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2));
Assert.assertEquals("create table DSN8A10.DEPT (\n" +
"\tDEPTNO CHAR(3) not null,\n" +
"\tDEPTNAME VARCHAR(36) not null,\n" +
"\tMGRNO CHAR(6),\n" +
"\tADMRDEPT CHAR(3) not null,\n" +
"\tLOCATION CHAR(16),\n" +
"\tprimary key (DEPTNO)\n" +
")\n" +
"IN DSN8D10A.DSN8S10D;", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
}
@@ -0,0 +1,96 @@
/*
* 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.db2;
import com.alibaba.druid.sql.DB2Test;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.db2.parser.DB2StatementParser;
import com.alibaba.druid.sql.dialect.db2.visitor.DB2SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import org.junit.Assert;
import java.util.List;
public class DB2CreateTableTest_03 extends DB2Test {
public void test_0() throws Exception {
String sql = " CREATE TABLE DSN8A10.PROJ\n" +
" (PROJNO CHAR(6) NOT NULL,\n" +
" PROJNAME VARCHAR(24) NOT NULL,\n" +
" DEPTNO CHAR(3) NOT NULL,\n" +
" RESPEMP CHAR(6) NOT NULL,\n" +
" PRSTAFF DECIMAL(5,2) ,\n" +
" PRSTDATE DATE ,\n" +
" PRENDATE DATE ,\n" +
" MAJPROJ CHAR(6) NOT NULL)\n" +
" IN DATABASE DSN8D10A\n" +
" VALIDPROC DSN8EAPR;";
DB2StatementParser parser = new DB2StatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
System.out.println(SQLUtils.toDB2String(stmt));
Assert.assertEquals(1, statementList.size());
DB2SchemaStatVisitor visitor = new DB2SchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
// System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(8, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertTrue(visitor.containsTable("DSN8A10.PROJ"));
// Assert.assertTrue(visitor.getColumns().contains(new Column("DSN8B10.EMP", "WORKDEPT")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "first_name")));
// Assert.assertTrue(visitor.getColumns().contains(new Column("mytable", "full_name")));
Assert.assertEquals("CREATE TABLE DSN8A10.PROJ (\n" +
"\tPROJNO CHAR(6) NOT NULL,\n" +
"\tPROJNAME VARCHAR(24) NOT NULL,\n" +
"\tDEPTNO CHAR(3) NOT NULL,\n" +
"\tRESPEMP CHAR(6) NOT NULL,\n" +
"\tPRSTAFF DECIMAL(5, 2),\n" +
"\tPRSTDATE DATE,\n" +
"\tPRENDATE DATE,\n" +
"\tMAJPROJ CHAR(6) NOT NULL\n" +
")\n" +
"IN DATABASE DSN8D10A\n" +
"VALIDPROC DSN8EAPR;", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2));
Assert.assertEquals("create table DSN8A10.PROJ (\n" +
"\tPROJNO CHAR(6) not null,\n" +
"\tPROJNAME VARCHAR(24) not null,\n" +
"\tDEPTNO CHAR(3) not null,\n" +
"\tRESPEMP CHAR(6) not null,\n" +
"\tPRSTAFF DECIMAL(5, 2),\n" +
"\tPRSTDATE DATE,\n" +
"\tPRENDATE DATE,\n" +
"\tMAJPROJ CHAR(6) not null\n" +
")\n" +
"IN DATABASE DSN8D10A\n" +
"VALIDPROC DSN8EAPR;", //
SQLUtils.toSQLString(stmt, JdbcConstants.DB2, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
}
}