ExprUnparser (MySQL Connector/J Bug Fixed 8.0.20 API)

java.lang.Object
- com.mysql.cj.xdevapi.ExprUnparser

```
public class ExprUnparser
extends Object
```
Serializer utility for dealing with X Protocol expression trees.

构造器概要

构造器
构造器说明

ExprUnparser()

方法概要

所有方法静态方法具体方法
修饰符和类型	方法	说明
`static String`	`escapeLiteral(String s)`	Escape a string literal.
`static String`	`exprToString(MysqlxExpr.Expr e)`	Serialize an expression to a string.
`static String`	`quoteDocumentPathMember(String member)`	Quote a JSON document path member.
`static String`	`quoteIdentifier(String ident)`	Quote a named identifier.
`static String`	`quoteJsonKey(String key)`	Quote a JSON document field key.

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

- 构造器详细资料
  - ExprUnparser
```
public ExprUnparser()
```
- 方法详细资料
  - escapeLiteral
```
public static String escapeLiteral(String s)
```
    Escape a string literal.
    
    参数:
    
    s - literal
    
    返回:
    
    escaped literal
  - quoteIdentifier
```
public static String quoteIdentifier(String ident)
```
    Quote a named identifier.
    
    参数:
    
    ident - identifier
    
    返回:
    
    quoted identifier
  - quoteJsonKey
```
public static String quoteJsonKey(String key)
```
    Quote a JSON document field key.
    
    参数:
    
    key - key
    
    返回:
    
    quoted key
  - quoteDocumentPathMember
```
public static String quoteDocumentPathMember(String member)
```
    Quote a JSON document path member.
    
    参数:
    
    member - path member
    
    返回:
    
    quoted path member
  - exprToString
```
public static String exprToString(MysqlxExpr.Expr e)
```
    Serialize an expression to a string.
    
    参数:
    
    e - MysqlxExpr.Expr
    
    返回:
    
    string expression