ORA 40478 When Returning Large Json Into Clob In Oracle 19c
WEB Oct 11 2019 nbsp 0183 32 3 Answers Sorted by 24 You need to tell the function to return a CLOB not a varchar It might be necessary for JSON ARRAYAGG as well or maybe only there I can t test it right now declare i integer p tmp clob clob begin select JSON ARRAYAGG JSON OBJECT t RETURNING CLOB RETURNING CLOB
SQL JSON Generation Functions In Oracle Database 12c Release 2 , WEB Nov 18 2016 nbsp 0183 32 The JSON OBJECTAGG and JSON ARRAYAGG functions can optionally return their output in CLOB format SELECT JSON OBJECTAGG KEY d dname VALUE d deptno RETURNING VARCHAR2 AS departments FROM dept d ORDER BY d deptno SELECT JSON OBJECTAGG KEY d dname VALUE d deptno RETURNING
Json Oracle JSON OBJECT T To Clob Stack Overflow
WEB Dec 27 2018 nbsp 0183 32 You can use to string or to clob to serialize the entire JSON object to a single string value Serialization is the inverse of the parse function The serialization operation takes the in memory representation of the JSON data and prints it to a string
JSON OBJECT Oracle Help Center, WEB SELECT JSON OBJECT name value Foo FORMAT JSON FROM DUAL Output JSON OBJECT NAME VALUE FOO FORMATJSON quot name quot Foo Example 3 JSON Syntax error when FORMAT JSON STRICT is used SELECT JSON OBJECT name value Foo FORMAT JSON STRICT FROM DUAL Output ORA 40441 JSON syntax
Generating Large Json In 12 2 Using Json object And Json arrayagg
Generating Large Json In 12 2 Using Json object And Json arrayagg, WEB Sep 15 2017 nbsp 0183 32 You can change this in the returning clause If you have extended data types enabled you can change this to a varchar2 32767 But only the agg functions support clob SELECT length JSON ARRAYAGG JSON OBJECT KEY object type VALUE object type KEY object name VALUE object name returning
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JSON QUERY Oracle Help Center
JSON QUERY Oracle Help Center WEB Use expr to specify the JSON data you want to query expr is a SQL expression that returns an instance of a SQL data type one of JSON VARCHAR2 CLOB or BLOB It can be a table or view column value a PL SQLvariable or a bind variable with proper casting If expr is null then the function returns null
JSON OBJECT T And ORDS What s The best Way
WEB Oracle JSON OBJECT is a built in function that returns a JSON object containing all the key value pairs specified by the arguments Oracle JSON OBJECT Syntax Here is the syntax for the Oracle JSON OBJECT function JSON OBJECT KEY key expr VALUE val expr expr quot quot expr FORMAT JSON Oracle JSON OBJECT Function SQLiz. WEB JSON OBJECT JSON ARRAY JSON ARRAYAGG and JSON OBJECTAGG now support returning CLOB and BLOB datatypes This allows much larger JSON documents to be generated using these operators allowing a single simple SQL statement to be used to generate very large JSON documents Area SQL General JSON Contributor Oracle WEB Jul 24 2017 nbsp 0183 32 Here is a sample code DECLARE l data CLOB quot text quot quot very long string about 1M chars quot l json json object t l text CLOB EMPTY CLOB BEGIN l json json object t parse l data l text l json get clob text dbms output put line got dbms lob getlength l text chars END
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