com.dynamic.sql.core.column.function.json

Class JsonExtract

java.lang.Object

com.dynamic.sql.core.column.function.AbstractColumFunction

com.dynamic.sql.core.column.function.ColumnFunctionDecorator

com.dynamic.sql.core.column.function.json.JsonExtract

All Implemented Interfaces:

ColumnArithmetic, ColumFunction, TableFunction, Serializable

public class JsonExtract
extends ColumnFunctionDecorator
implements TableFunction

提取 JSON 数据中的值

See Also:

Serialized Form

Field Summary

Fields inherited from class com.dynamic.sql.core.column.function.ColumnFunctionDecorator

parameterBinder, value

Fields inherited from class com.dynamic.sql.core.column.function.AbstractColumFunction

aliasTableMap, dataSourceName, delegateFunction, sqlDialect, version

Constructor Summary

Constructors

Constructor and Description
JsonExtract(AbstractColumFunction delegateFunction, String jsonPath)
JsonExtract(FieldFn<T,F> fn, String jsonPath)

Method Summary

Modifier and Type	Method and Description
String	getFunctionToString(SqlDialect sqlDialect, Version version)

Methods inherited from class com.dynamic.sql.core.column.function.ColumnFunctionDecorator

appendArithmeticSql, getOriginColumnFn, getParameterBinder, getTableAlias

Methods inherited from class com.dynamic.sql.core.column.function.AbstractColumFunction

add, add, add, add, divide, divide, divide, divide, getAliasTableMap, getArithmetic, getDataSourceName, getDelegateFunction, multiply, multiply, multiply, multiply, setAliasTableMap, setArithmetic, setDataSourceName, setSqlDialect, setVersion, subtract, subtract, subtract, subtract

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.dynamic.sql.core.column.function.TableFunction

getOriginColumnFn, getParameterBinder

Methods inherited from interface com.dynamic.sql.core.column.function.ColumFunction

setTableAlias

Constructor Detail

JsonExtract

public JsonExtract(AbstractColumFunction delegateFunction,
                   String jsonPath)

JsonExtract

public JsonExtract(FieldFn<T,F> fn,
                   String jsonPath)

Method Detail

getFunctionToString

public String getFunctionToString(SqlDialect sqlDialect,
                                  Version version)

Specified by:

getFunctionToString in interface ColumFunction

Specified by:

getFunctionToString in interface TableFunction