SQLBinaryOpExpr (druid 0.1.21 API)

java.lang.Object
- com.alibaba.druid.sql.ast.SQLObjectImpl
- - com.alibaba.druid.sql.ast.SQLExprImpl
  - - com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr

所有已实现的接口:

SQLExpr, SQLObject, SQLReplaceable, Serializable, Cloneable
```
public class SQLBinaryOpExpr
extends SQLExprImpl
implements SQLReplaceable, Serializable
```
另请参阅:

序列化表格

字段概要

字段
限定符和类型	字段和说明
`private boolean`	`bracket`
`protected String`	`dbType`
`protected SQLExpr`	`left`
`protected List<SQLObject>`	`mergedList`
`protected SQLBinaryOperator`	`operator`
`protected SQLExpr`	`right`
`private static long`	`serialVersionUID`

从类继承的字段 com.alibaba.druid.sql.ast.SQLObjectImpl
attributes, parent

构造器概要

构造器
构造器和说明
`SQLBinaryOpExpr()`
`SQLBinaryOpExpr(SQLExpr left, SQLBinaryOperator operator, SQLExpr right)`
`SQLBinaryOpExpr(SQLExpr left, SQLBinaryOperator operator, SQLExpr right, String dbType)`
`SQLBinaryOpExpr(SQLExpr left, SQLExpr right, SQLBinaryOperator operator)`
`SQLBinaryOpExpr(String dbType)`

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`protected void`	`accept0(SQLASTVisitor visitor)`
`private void`	`addMergedItem(SQLBinaryOpExpr item)` only for parameterized output
`static SQLExpr`	`and(SQLExpr a, SQLExpr b)`
`static SQLExpr`	`andIfNotExists(SQLExpr a, SQLExpr b)`
`SQLBinaryOpExpr`	`clone()`
`static SQLExpr`	`combine(List<? extends SQLExpr> items, SQLBinaryOperator op)`
`SQLDataType`	`computeDataType()`
`boolean`	`conditionContainsColumn(String column)`
`boolean`	`conditionContainsTable(String alias)`
`boolean`	`contains(SQLExpr item)`
`boolean`	`equals(Object obj)`
`boolean`	`equals(SQLBinaryOpExpr other)`
`boolean`	`equalsIgoreOrder(SQLBinaryOpExpr other)`
`List`	`getChildren()`
`String`	`getDbType()`
`SQLExpr`	`getLeft()`
`List<SQLObject>`	`getMergedList()` only for parameterized output
`SQLBinaryOperator`	`getOperator()`
`SQLExpr`	`getRight()`
`int`	`hashCode()`
`boolean`	`isBracket()`
`static SQLBinaryOpExpr`	`isNotNull(SQLExpr expr)`
`static SQLBinaryOpExpr`	`isNull(SQLExpr expr)`
`static boolean`	`isOr(SQLExpr x)`
`static SQLBinaryOpExpr`	`merge(ParameterizedVisitor v, SQLBinaryOpExpr x)` only for parameterized output
`private static boolean`	`mergeEqual(SQLExpr a, SQLExpr b)` only for parameterized output
`static SQLExpr`	`or(List<? extends SQLExpr> list)`
`static SQLExpr`	`or(SQLExpr a, SQLExpr b)`
`SQLExpr`	`other(SQLExpr x)`
`void`	`output(StringBuffer buf)`
`boolean`	`replace(SQLExpr expr, SQLExpr taget)`
`void`	`setBracket(boolean bracket)`
`void`	`setDbType(String dbType)`
`void`	`setLeft(SQLExpr left)`
`void`	`setOperator(SQLBinaryOperator operator)`
`void`	`setRight(SQLExpr right)`
`static void`	`split(List<SQLExpr> outList, SQLExpr expr, SQLBinaryOperator op)`
`static List<SQLExpr>`	`split(SQLBinaryOpExpr x)`
`static List<SQLExpr>`	`split(SQLBinaryOpExpr x, SQLBinaryOperator op)`
`static List<SQLExpr>`	`split(SQLExpr x, SQLBinaryOperator op)`
`String`	`toString()`

从类继承的方法 com.alibaba.druid.sql.ast.SQLObjectImpl
accept, acceptChild, acceptChild, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getParent, hasAfterComment, hasBeforeComment, putAttribute, setParent

从类继承的方法 java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 com.alibaba.druid.sql.ast.SQLObject
accept, addAfterComment, addAfterComment, addBeforeComment, addBeforeComment, containsAttribute, getAfterCommentsDirect, getAttribute, getAttributes, getAttributesDirect, getBeforeCommentsDirect, getParent, hasAfterComment, hasBeforeComment, putAttribute, setParent

字段详细资料

serialVersionUID
```
private static final long serialVersionUID
```
另请参阅:

常量字段值

left
```
protected SQLExpr left
```

right
```
protected SQLExpr right
```

operator
```
protected SQLBinaryOperator operator
```

dbType
```
protected String dbType
```

bracket
```
private boolean bracket
```

mergedList

protected transient List<SQLObject> mergedList

构造器详细资料

SQLBinaryOpExpr
```
public SQLBinaryOpExpr()
```

SQLBinaryOpExpr
```
public SQLBinaryOpExpr(String dbType)
```

SQLBinaryOpExpr

public SQLBinaryOpExpr(SQLExpr left,
                       SQLBinaryOperator operator,
                       SQLExpr right)

SQLBinaryOpExpr

public SQLBinaryOpExpr(SQLExpr left,
                       SQLBinaryOperator operator,
                       SQLExpr right,
                       String dbType)

SQLBinaryOpExpr

public SQLBinaryOpExpr(SQLExpr left,
                       SQLExpr right,
                       SQLBinaryOperator operator)

方法详细资料

getDbType
```
public String getDbType()
```

setDbType
```
public void setDbType(String dbType)
```

getLeft
```
public SQLExpr getLeft()
```

setLeft
```
public void setLeft(SQLExpr left)
```

getRight
```
public SQLExpr getRight()
```

setRight
```
public void setRight(SQLExpr right)
```

getOperator

public SQLBinaryOperator getOperator()

setOperator

public void setOperator(SQLBinaryOperator operator)

isBracket
```
public boolean isBracket()
```

setBracket

public void setBracket(boolean bracket)

accept0

protected void accept0(SQLASTVisitor visitor)

指定者:: accept0 在类中 SQLObjectImpl

getChildren
```
public List getChildren()
```
指定者:

getChildren 在接口中 SQLExpr

覆盖:

getChildren 在类中 SQLExprImpl

hashCode
```
public int hashCode()
```
指定者:

hashCode 在类中 SQLExprImpl

equals
```
public boolean equals(Object obj)
```
指定者:

equals 在类中 SQLExprImpl

equals

public boolean equals(SQLBinaryOpExpr other)

equalsIgoreOrder

public boolean equalsIgoreOrder(SQLBinaryOpExpr other)

clone
```
public SQLBinaryOpExpr clone()
```
指定者:

clone 在接口中 SQLExpr

指定者:

clone 在接口中 SQLObject

覆盖:

clone 在类中 SQLExprImpl

toString
```
public String toString()
```
覆盖:

toString 在类中 SQLObjectImpl

output
```
public void output(StringBuffer buf)
```
指定者:

output 在接口中 SQLObject

覆盖:

output 在类中 SQLObjectImpl

combine

public static SQLExpr combine(List<? extends SQLExpr> items,
                              SQLBinaryOperator op)

split

public static List<SQLExpr> split(SQLBinaryOpExpr x)

split

public static List<SQLExpr> split(SQLBinaryOpExpr x,
                                  SQLBinaryOperator op)

split

public static List<SQLExpr> split(SQLExpr x,
                                  SQLBinaryOperator op)

split

public static void split(List<SQLExpr> outList,
                         SQLExpr expr,
                         SQLBinaryOperator op)

and

public static SQLExpr and(SQLExpr a,
                          SQLExpr b)

andIfNotExists

public static SQLExpr andIfNotExists(SQLExpr a,
                                     SQLExpr b)

isNotNull

public static SQLBinaryOpExpr isNotNull(SQLExpr expr)

isNull

public static SQLBinaryOpExpr isNull(SQLExpr expr)

replace

public boolean replace(SQLExpr expr,
                       SQLExpr taget)

指定者:: replace 在接口中 SQLReplaceable

other
```
public SQLExpr other(SQLExpr x)
```

contains

public boolean contains(SQLExpr item)

computeDataType
```
public SQLDataType computeDataType()
```
指定者:

computeDataType 在接口中 SQLExpr

覆盖:

computeDataType 在类中 SQLExprImpl

conditionContainsTable

public boolean conditionContainsTable(String alias)

conditionContainsColumn

public boolean conditionContainsColumn(String column)

merge

public static SQLBinaryOpExpr merge(ParameterizedVisitor v,
                                    SQLBinaryOpExpr x)

only for parameterized output

参数:: v -; x -
返回:

addMergedItem
```
private void addMergedItem(SQLBinaryOpExpr item)
```
only for parameterized output

参数:

item -

getMergedList
```
public List<SQLObject> getMergedList()
```
only for parameterized output

返回:

mergeEqual

private static boolean mergeEqual(SQLExpr a,
                                  SQLExpr b)

only for parameterized output

参数:: a -; b -
返回:

isOr

public static boolean isOr(SQLExpr x)

or

public static SQLExpr or(List<? extends SQLExpr> list)

or

public static SQLExpr or(SQLExpr a,
                         SQLExpr b)

类 SQLBinaryOpExpr

字段概要

从类继承的字段 com.alibaba.druid.sql.ast.SQLObjectImpl

构造器概要

方法概要

从类继承的方法 com.alibaba.druid.sql.ast.SQLObjectImpl

从类继承的方法 java.lang.Object

从接口继承的方法 com.alibaba.druid.sql.ast.SQLObject

字段详细资料

serialVersionUID

left

right

operator

dbType

bracket

mergedList

构造器详细资料

SQLBinaryOpExpr

SQLBinaryOpExpr

SQLBinaryOpExpr

SQLBinaryOpExpr

SQLBinaryOpExpr

方法详细资料

getDbType

setDbType

getLeft

setLeft

getRight

setRight

getOperator

setOperator

isBracket

setBracket

accept0

getChildren

hashCode

equals

equals

equalsIgoreOrder

clone

toString

output

combine

split

split

split

split

and

andIfNotExists

isNotNull

isNull

replace

other

contains

computeDataType

conditionContainsTable

conditionContainsColumn

merge

addMergedItem

getMergedList

mergeEqual

isOr

or

or