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Code Issues Releases Wiki Activity

refactor sql parser.

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This commit is contained in:
wenshao
2017-06-01 09:09:46 +08:00
parent ad452e507d
commit 82d691365a
13 changed files with 163 additions and 138 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlRollbackStatement.java
-78
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@@ -1,78 +0,0 @@
/*
* 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.sql.dialect.mysql.ast.statement;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.statement.SQLRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
import com.alibaba.druid.util.JdbcConstants;
public class MySqlRollbackStatement extends SQLRollbackStatement implements MySqlStatement {
private Boolean chain;
private Boolean release;
private SQLExpr force;
public MySqlRollbackStatement(){
super (JdbcConstants.MYSQL);
}
public Boolean getChain() {
return chain;
}
public void setChain(Boolean chain) {
this.chain = chain;
}
public Boolean getRelease() {
return release;
}
public void setRelease(Boolean release) {
this.release = release;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor instanceof MySqlASTVisitor) {
accept0((MySqlASTVisitor) visitor);
} else {
throw new IllegalArgumentException("not support visitor type : " + visitor.getClass().getName());
}
}
@Override
public void accept0(MySqlASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, getTo());
acceptChild(visitor, getForce());
}
visitor.endVisit(this);
}
public SQLExpr getForce() {
return force;
}
public void setForce(SQLExpr force) {
this.force = force;
}
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java
+2 -3
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@@ -79,7 +79,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplaceStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetPasswordStatement;
@@ -1644,10 +1643,10 @@ public class MySqlStatementParser extends SQLStatementParser {
}
@Override
public MySqlRollbackStatement parseRollback() {
public SQLRollbackStatement parseRollback() {
acceptIdentifier("ROLLBACK");
MySqlRollbackStatement stmt = new MySqlRollbackStatement();
SQLRollbackStatement stmt = new SQLRollbackStatement();
if (identifierEquals("WORK")) {
lexer.nextToken();
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlASTVisitor.java
-5
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@@ -68,7 +68,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplaceStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
@@ -190,10 +189,6 @@ public interface MySqlASTVisitor extends SQLASTVisitor {
boolean visit(MySqlReplaceStatement x);
void endVisit(MySqlRollbackStatement x);
boolean visit(MySqlRollbackStatement x);
void endVisit(MySqlShowColumnsStatement x);
boolean visit(MySqlShowColumnsStatement x);
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlASTVisitorAdapter.java
-12
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@@ -70,7 +70,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplaceStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
@@ -280,17 +279,6 @@ public class MySqlASTVisitorAdapter extends SQLASTVisitorAdapter implements MySq
return true;
}
@Override
public void endVisit(MySqlRollbackStatement x) {
}
@Override
public boolean visit(MySqlRollbackStatement x) {
return true;
}
@Override
public void endVisit(MySqlShowColumnsStatement x) {
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
+1 -8
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@@ -78,7 +78,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplaceStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
@@ -1222,13 +1221,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
return false;
}
@Override
public void endVisit(MySqlRollbackStatement x) {
}
@Override
public boolean visit(MySqlRollbackStatement x) {
public boolean visit(SQLRollbackStatement x) {
print0(ucase ? "ROLLBACK" : "rollback");
if (x.getChain() != null) {
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlSchemaStatVisitor.java
-12
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@@ -85,7 +85,6 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplaceStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetCharSetStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSetNamesStatement;
@@ -409,17 +408,6 @@ public class MySqlSchemaStatVisitor extends SchemaStatVisitor implements MySqlAS
return true;
}
@Override
public void endVisit(MySqlRollbackStatement x) {
}
@Override
public boolean visit(MySqlRollbackStatement x) {
return true;
}
@Override
public void endVisit(MySqlShowColumnsStatement x) {
src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleSelectJoin.java
+19
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@@ -91,6 +91,25 @@ public class OracleSelectJoin extends SQLJoinTableSource implements OracleSelect
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
OracleSelectJoin that = (OracleSelectJoin) o;
if (pivot != null ? !pivot.equals(that.pivot) : that.pivot != null) return false;
return flashback != null ? flashback.equals(that.flashback) : that.flashback == null;
}
@Override
public int hashCode() {
int result = pivot != null ? pivot.hashCode() : 0;
result = 31 * result + (flashback != null ? flashback.hashCode() : 0);
return result;
}
public String toString () {
return SQLUtils.toOracleString(this);
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleSelectTableReference.java
+27 -1
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@@ -110,7 +110,33 @@ public class OracleSelectTableReference extends SQLExprTableSource implements Or
buf.append(this.alias);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
OracleSelectTableReference that = (OracleSelectTableReference) o;
if (only != that.only) return false;
if (pivot != null ? !pivot.equals(that.pivot) : that.pivot != null) return false;
if (partition != null ? !partition.equals(that.partition) : that.partition != null) return false;
if (sampleClause != null ? !sampleClause.equals(that.sampleClause) : that.sampleClause != null) return false;
return flashback != null ? flashback.equals(that.flashback) : that.flashback == null;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (only ? 1 : 0);
result = 31 * result + (pivot != null ? pivot.hashCode() : 0);
result = 31 * result + (partition != null ? partition.hashCode() : 0);
result = 31 * result + (sampleClause != null ? sampleClause.hashCode() : 0);
result = 31 * result + (flashback != null ? flashback.hashCode() : 0);
return result;
}
public String toString () {
return SQLUtils.toOracleString(this);
}