com.taobao.tddl.dbsync.binlog

类 JsonDiffConversion

java.lang.Object

com.taobao.tddl.dbsync.binlog.JsonDiffConversion

public class JsonDiffConversion
extends java.lang.Object

处理mysql8.0 parital json diff解析

从以下版本开始:

1.1.2

作者:

agapple 2018年11月4日 下午3:53:46

字段概要

字段

限定符和类型	字段和说明
static int	DIFF_OPERATION_INSERT Add a new element at the given path.
static int	DIFF_OPERATION_REMOVE The JSON value at the given path is removed from an array or object.
static int	DIFF_OPERATION_REPLACE The JSON value in the given path is replaced with a new value.
static int	JSON_DIFF_OPERATION_COUNT

构造器概要

构造器

构造器和说明
JsonDiffConversion()

方法概要

限定符和类型	方法和说明
static java.lang.StringBuilder	print_json_diff(LogBuffer buffer, long len, java.lang.String columnName, int columnIndex, java.lang.String charsetName)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

DIFF_OPERATION_REPLACE

public static final int DIFF_OPERATION_REPLACE

The JSON value in the given path is replaced with a new value. It has the same effect as `JSON_REPLACE(col, path, value)`.

另请参阅:

常量字段值

DIFF_OPERATION_INSERT

public static final int DIFF_OPERATION_INSERT

Add a new element at the given path. If the path specifies an array element, it has the same effect as `JSON_ARRAY_INSERT(col, path, value)`. If the path specifies an object member, it has the same effect as `JSON_INSERT(col, path, value)`.

另请参阅:

常量字段值

DIFF_OPERATION_REMOVE

public static final int DIFF_OPERATION_REMOVE

The JSON value at the given path is removed from an array or object. It has the same effect as `JSON_REMOVE(col, path)`.

另请参阅:

常量字段值

JSON_DIFF_OPERATION_COUNT

public static final int JSON_DIFF_OPERATION_COUNT

另请参阅:

常量字段值

构造器详细资料

JsonDiffConversion

public JsonDiffConversion()

方法详细资料

print_json_diff

public static java.lang.StringBuilder print_json_diff(LogBuffer buffer,
                                                      long len,
                                                      java.lang.String columnName,
                                                      int columnIndex,
                                                      java.lang.String charsetName)