CREATEORREPLACEFUNCTIONF_GET_FRO_JSON(KREC_IDVARCHAR2,--唯一主键值JSONVARCHAR2--想要获取的key)RETURNVARCHAR2ISJSON_VALUEVARCHAR(30);JSON_INSINTEGER;M_INSINTEGER;D_INSINTEGER;BEGIN--获取json key位置 selectinstr(TO_CHAR("目标字段"),JSON)INTOJSON_INSfrom"目标表"TWHERE"表唯一主键"=KREC_ID;--...
---3.再创建一个函数,解析json对像{} CREATE OR REPLACE FUNCTION parsejson(p_jsonstr varchar2, p_key varchar2) RETURN VARCHAR2 IS rtnVal VARCHAR2(1000); i NUMBER(2); jsonkey VARCHAR2(500); jsonvalue VARCHAR2(1000); json VARCHAR2(3000); BEGIN IF p_jsonstr IS NOT NULL THEN json :=...
}//取json数组第index个元素publicstatic String getArrayValue(String jsonStr,Integerindex){ String nodeValue="";if(isJsonString(jsonStr)){ JsonArray jsonArr=new JsonParser().parse(jsonStr).getAsJsonArray();//此处不能用getAsString()或者getAsJsonPrimitive(),因为数组中的类型未知,需要先做空判断if...
3.创建一个函数,解析json对象{} -- 3.创建一个函数,解析json对象{} CREATE OR REPLACE FUNCTION parsejson(p_jsonstr varchar2, p_key varchar2) RETURN VARCHAR2 IS rtnVal VARCHAR2(4000); i NUMBER(20); jsonkey VARCHAR2(4000); jsonvalue VARCHAR2(4000); json VARCHAR2(4000); BEGIN IF p_json...
oracle json 解析函数 CREATE OR REPLACE TYPE ty_tbl_str_split IS TABLE OF ty_row_str_split; CREATE OR REPLACE TYPE ty_row_str_split as object (strValue VARCHAR2(4000)); CREATE OR REPLACE FUNCTION fn_split(p_str IN VARCHAR2,p_delimiter IN VARCHAR2)...
问在Oracle中在JSON_VALUE()中传递动态密钥EN<% Configuration conf = new Configuration(); ...
Oracle SQL function json_transform modifies JSON documents. You specify operations to perform and SQL/JSON path expressions that target the places to modify. The operations are applied to the input data in the order specified: each operation acts on the
214 as language java name 'JsonUtil.getArrayValue(java.lang.String, java.lang.Integer) return java.lang.String';15 16 function getarrlen(jsonArrayStr varchar2) return number17 as language java name 'JsonUtil.getArrayLength(java.lang.String) return java.lang.Integer';18 19 end jsonpkg;20...
Oracle SQL function json_serialize takes JSON data (of any SQL data type, VARCHAR2, CLOB, or BLOB) as input and returns a textual representation of it (as VARCHAR2, CLOB, or BLOB data). VARCHAR2(4000) is the default return type.
s attention to the output of$.CheckDetails.AcmeBankFlag, which istrueinstead of null, as was the case inListing 4. The reason is simple: The booleantrueis a valid JSON data type, and theJSON_VALUEfunction correctly parsed it. (Oracle recommends the use ofJSON_VALUEfor querying JSON data...