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Code Issues Releases Wiki Activity

improve oracle sql parser, support drop database link statement

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This commit is contained in:
wenshao
2012-12-29 11:52:26 +08:00
parent ad114ac9cf
commit 4901e6af96
7 changed files with 189 additions and 0 deletions
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src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleDropDatabaseLinkStatement.java
+53
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@@ -0,0 +1,53 @@
/*
* Copyright 1999-2011 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.sql.dialect.oracle.ast.stmt;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
public class OracleDropDatabaseLinkStatement extends OracleStatementImpl {
private static final long serialVersionUID = 1L;
private boolean _public;
private SQLName name;
public boolean isPublic() {
return _public;
}
public void setPublic(boolean value) {
this._public = value;
}
public SQLName getName() {
return name;
}
public void setName(SQLName name) {
this.name = name;
}
@Override
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, name);
}
visitor.endVisit(this);
}
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleStatementParser.java
+25
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@@ -71,6 +71,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateIndexStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateProcedureStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateSequenceStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDropDatabaseLinkStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExceptionStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExitStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExplainStatement;
@@ -419,6 +420,30 @@ public class OracleStatementParser extends SQLStatementParser {
statementList.add(stmt);
continue;
}
boolean isPublic = false;
if (identifierEquals("PUBLIC")) {
lexer.nextToken();
isPublic = true;
}
if (lexer.token() == Token.DATABASE) {
lexer.nextToken();
if (identifierEquals("LINK")) {
lexer.nextToken();
OracleDropDatabaseLinkStatement stmt = new OracleDropDatabaseLinkStatement();
if (isPublic) {
stmt.setPublic(isPublic);
}
stmt.setName(this.exprParser.name());
statementList.add(stmt);
continue;
}
}
throw new ParserException("TODO : " + lexer.token() + " " + lexer.stringVal());
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java
+5
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@@ -76,6 +76,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateProcedureStatem
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateSequenceStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateTableStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDropDatabaseLinkStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExceptionStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExitStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExplainStatement;
@@ -606,4 +607,8 @@ public interface OracleASTVisitor extends SQLASTVisitor {
boolean visit(OracleCreateDatabaseDbLinkStatement x);
void endVisit(OracleCreateDatabaseDbLinkStatement x);
boolean visit(OracleDropDatabaseLinkStatement x);
void endVisit(OracleDropDatabaseLinkStatement x);
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitorAdapter.java
+11
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@@ -84,6 +84,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateProcedureStatem
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateSequenceStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateTableStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDropDatabaseLinkStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExceptionStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExitStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExplainStatement;
@@ -1382,4 +1383,14 @@ public class OracleASTVisitorAdapter extends SQLASTVisitorAdapter implements Ora
}
@Override
public boolean visit(OracleDropDatabaseLinkStatement x) {
return true;
}
@Override
public void endVisit(OracleDropDatabaseLinkStatement x) {
}
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
+18
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@@ -113,6 +113,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateProcedureStatem
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateSequenceStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateTableStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDropDatabaseLinkStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExceptionStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExitStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExplainStatement;
@@ -3080,4 +3081,21 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
public void endVisit(OracleCreateDatabaseDbLinkStatement x) {
}
@Override
public boolean visit(OracleDropDatabaseLinkStatement x) {
print("DROP ");
if (x.isPublic()) {
print("PUBLIC ");
}
print("DATABASE LINK ");
x.getName().accept(this);
return false;
}
@Override
public void endVisit(OracleDropDatabaseLinkStatement x) {
}
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleSchemaStatVisitor.java
+10
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@@ -105,6 +105,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateProcedureStatem
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateSequenceStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleCreateTableStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDropDatabaseLinkStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExceptionStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExitStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleExplainStatement;
@@ -1812,4 +1813,13 @@ public class OracleSchemaStatVisitor extends SchemaStatVisitor implements Oracle
}
@Override
public boolean visit(OracleDropDatabaseLinkStatement x) {
return false;
}
@Override
public void endVisit(OracleDropDatabaseLinkStatement x) {
}
}