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Code Issues Releases Wiki Activity

refactor sql parser.

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This commit is contained in:
wenshao
2016-09-25 06:48:57 +08:00
parent e98fba644d
commit 9f5d300892
37 changed files with 358 additions and 828 deletions
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src/main/java/com/alibaba/druid/sql/dialect/sqlserver/visitor/MSSQLServerExportParameterVisitor.java
+2 -2
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@@ -28,7 +28,7 @@ import com.alibaba.druid.sql.ast.statement.SQLSelectItem;
import com.alibaba.druid.sql.visitor.ExportParameterVisitor;
import com.alibaba.druid.sql.visitor.ExportParameterVisitorUtils;
public class MSSQLServerExportParameterVisitor extends SQLServerParameterizedOutputVisitor implements ExportParameterVisitor {
public class MSSQLServerExportParameterVisitor extends SQLServerOutputVisitor implements ExportParameterVisitor {
/**
* true= if require parameterized sql output
@@ -36,7 +36,7 @@ public class MSSQLServerExportParameterVisitor extends SQLServerParameterizedOut
private final boolean requireParameterizedOutput;
public MSSQLServerExportParameterVisitor(final List<Object> parameters,final Appendable appender,final boolean wantParameterizedOutput){
super(appender);
super(appender, true);
this.parameters = parameters;
this.requireParameterizedOutput = wantParameterizedOutput;
}
src/main/java/com/alibaba/druid/sql/dialect/sqlserver/visitor/SQLServerOutputVisitor.java
+4
View File
@@ -47,6 +47,10 @@ public class SQLServerOutputVisitor extends SQLASTOutputVisitor implements SQLSe
super(appender);
}
public SQLServerOutputVisitor(Appendable appender, boolean parameterized){
super(appender, parameterized);
}
public boolean visit(SQLServerSelectQueryBlock x) {
print0(ucase ? "SELECT " : "select ");
src/main/java/com/alibaba/druid/sql/dialect/sqlserver/visitor/SQLServerParameterizedOutputVisitor.java
-112
View File
@@ -1,112 +0,0 @@
/*
* Copyright 1999-2101 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.sqlserver.visitor;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLHexExpr;
import com.alibaba.druid.sql.ast.expr.SQLInListExpr;
import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
import com.alibaba.druid.sql.ast.expr.SQLNCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLNullExpr;
import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
import com.alibaba.druid.sql.visitor.ParameterizedVisitor;
public class SQLServerParameterizedOutputVisitor extends SQLServerOutputVisitor implements ParameterizedVisitor {
private int replaceCount;
public SQLServerParameterizedOutputVisitor(Appendable appender){
super(appender);
}
public int getReplaceCount() {
return this.replaceCount;
}
public void incrementReplaceCunt() {
replaceCount++;
}
public boolean visit(SQLInListExpr x) {
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLBinaryOpExpr x) {
x = ParameterizedOutputVisitorUtils.merge(this, x);
return super.visit(x);
}
public boolean visit(SQLIntegerExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLNumberExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLCharExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLNCharExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLNullExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLVariantRefExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x) || x.getName().equalsIgnoreCase("?")) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
public boolean visit(SQLHexExpr x) {
if (!ParameterizedOutputVisitorUtils.checkParameterize(x)) {
return super.visit(x);
}
return ParameterizedOutputVisitorUtils.visit(this, x);
}
}