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支持 PG DDL 语句若干，MySQL 支持 create/alter database ... collate 语句 (#6276)
* 1. 支持 PG create schema ... create table 连体写法。 2. 修复 PG insert ... with ... select 被分解为两条语句的问题。 * 1. 支持 PG create database ... owner 2. 支持 PG create database ... template 3. 支持 PG alter database ... allow_connections 4. 支持 PG alter database ... is_template * 1. fix code style. * 1. 支持 pg drop database ... force 2. 移除 guava 依赖。 * 1. 修复 pg create schema ... create ... 多个元素。 * 1. 支持 pg drop schema 多名称. * 1. 使用新方式编写单侧。 * 1. 优化 PG 新语句支持的实现逻辑。 2. 支持 MySQL alter schema abc default collate utf8mb4_unicode_ci; 语句 3. 支持 MySQL create database abc collate utf8mb4_unicode_ci; 语句 * 1. fix code style. * 1. add test case. * 1. format code.
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113 changes: 113 additions & 0 deletions
113
core/src/main/java/com/alibaba/druid/sql/dialect/postgresql/ast/expr/PGAttrExpr.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /* | ||
| * 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.postgresql.ast.expr; | ||
|
|
||
| import com.alibaba.druid.sql.ast.SQLExpr; | ||
| import com.alibaba.druid.sql.ast.SQLObject; | ||
| import com.alibaba.druid.sql.ast.SQLReplaceable; | ||
| import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor; | ||
|
|
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| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
|
|
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| public class PGAttrExpr extends PGExprImpl implements SQLReplaceable { | ||
| private SQLExpr name; | ||
| private SQLExpr value; | ||
| private PGExprMode mode; | ||
|
|
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| public static enum PGExprMode { | ||
| EMPTY, | ||
| EQ | ||
| } | ||
|
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| public PGAttrExpr clone() { | ||
| PGAttrExpr x = new PGAttrExpr(); | ||
| if (value != null) { | ||
| x.setName(name.clone()); | ||
| x.setValue(value.clone()); | ||
| x.setMode(this.mode); | ||
| } | ||
| return x; | ||
| } | ||
|
|
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| public SQLExpr getName() { | ||
| return name; | ||
| } | ||
|
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| public void setName(SQLExpr name) { | ||
| this.name = name; | ||
| } | ||
|
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| public SQLExpr getValue() { return value; } | ||
|
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| public void setValue(SQLExpr value) { this.value = value; } | ||
|
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| public PGExprMode getMode() { return this.mode; } | ||
|
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| public void setMode(PGExprMode mode) { this.mode = mode; } | ||
|
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| @Override | ||
| public void accept0(PGASTVisitor visitor) { | ||
| if (visitor.visit(this)) { | ||
| acceptChild(visitor, value); | ||
| } | ||
| visitor.endVisit(this); | ||
| } | ||
|
|
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| @Override | ||
| public boolean replace(SQLExpr expr, SQLExpr target) { | ||
| if (this.value == expr) { | ||
| setValue(target); | ||
| return true; | ||
| } | ||
|
|
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| return false; | ||
| } | ||
|
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| public List<SQLObject> getChildren() { | ||
| return Collections.singletonList(value); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| final int prime = 31; | ||
| int result = 1; | ||
| result = prime * result + ((name == null) ? 0 : name.hashCode()); | ||
| result = prime * result + ((value == null) ? 0 : value.hashCode()); | ||
| result = prime * result + ((mode == null) ? 0 : mode.hashCode()); | ||
| return result; | ||
| } | ||
|
|
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null) { | ||
| return false; | ||
| } | ||
| if (getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| PGAttrExpr other = (PGAttrExpr) obj; | ||
|
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| return Objects.equals(this.name, other.name) && | ||
| Objects.equals(this.value, other.value) && | ||
| Objects.equals(this.mode, other.mode); | ||
| } | ||
|
|
||
| } |
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66 changes: 66 additions & 0 deletions
66
...ain/java/com/alibaba/druid/sql/dialect/postgresql/ast/stmt/PGCreateDatabaseStatement.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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.postgresql.ast.stmt; | ||
|
|
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| import com.alibaba.druid.DbType; | ||
| import com.alibaba.druid.sql.ast.SQLName; | ||
| import com.alibaba.druid.sql.ast.SQLStatementImpl; | ||
| import com.alibaba.druid.sql.ast.statement.SQLCreateStatement; | ||
| import com.alibaba.druid.sql.dialect.postgresql.ast.expr.PGAttrExpr; | ||
| import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor; | ||
| import com.alibaba.druid.sql.visitor.SQLASTVisitor; | ||
|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
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| public class PGCreateDatabaseStatement extends SQLStatementImpl implements PGSQLStatement, SQLCreateStatement { | ||
| private SQLName name; | ||
| private boolean haveWith; | ||
| private List<PGAttrExpr> stats = new ArrayList<>(); | ||
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| public PGCreateDatabaseStatement(DbType dbType) { | ||
| super(dbType); | ||
| } | ||
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| @Override | ||
| public SQLName getName() { return this.name; } | ||
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| public void setName(SQLName dbName) { this.name = dbName; } | ||
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| public boolean isHaveWith() { return haveWith; } | ||
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| public void setHaveWith(boolean haveWith) { this.haveWith = haveWith; } | ||
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| public List<PGAttrExpr> getStats() { return stats; } | ||
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| public void setStats(List<PGAttrExpr> stats) { this.stats = stats; } | ||
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| protected void accept0(SQLASTVisitor visitor) { | ||
| if (visitor instanceof PGASTVisitor) { | ||
| accept0((PGASTVisitor) visitor); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void accept0(PGASTVisitor visitor) { | ||
| if (visitor.visit(this)) { | ||
| acceptChild(visitor, this.name); | ||
| acceptChild(visitor, this.stats); | ||
| } | ||
|
|
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| visitor.endVisit(this); | ||
| } | ||
| } |
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56 changes: 56 additions & 0 deletions
56
.../main/java/com/alibaba/druid/sql/dialect/postgresql/ast/stmt/PGDropDatabaseStatement.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * 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.postgresql.ast.stmt; | ||
|
|
||
| import com.alibaba.druid.DbType; | ||
| import com.alibaba.druid.sql.ast.statement.SQLDropCatalogStatement; | ||
| import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor; | ||
| import com.alibaba.druid.sql.visitor.SQLASTVisitor; | ||
|
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| public class PGDropDatabaseStatement extends SQLDropCatalogStatement implements PGSQLStatement { | ||
| private boolean usingWith; | ||
| private boolean force; | ||
|
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| public PGDropDatabaseStatement(DbType dbType) { | ||
| super(dbType); | ||
| } | ||
|
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| public boolean isUsingWith() { | ||
| return usingWith; | ||
| } | ||
|
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| public void setUsingWith(boolean usingWith) { | ||
| this.usingWith = usingWith; | ||
| } | ||
|
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| public boolean isForce() { return force; } | ||
|
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| public void setForce(boolean force) { this.force = force; } | ||
|
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| protected void accept0(SQLASTVisitor visitor) { | ||
| if (visitor instanceof PGASTVisitor) { | ||
| accept0((PGASTVisitor) visitor); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void accept0(PGASTVisitor visitor) { | ||
| if (visitor.visit(this)) { | ||
| acceptChild(visitor, this.getName()); | ||
| } | ||
| visitor.endVisit(this); | ||
| } | ||
| } |
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