json-document | based JavaScript data modeling | JSON Processing library
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kandi X-RAY | json-document Summary
Model and manipulate data with ES6 classes, JSON Schema initialization and validation, JSON Patch, JSON Pointer, and JSON Mappings.
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QUESTION
I am trying to index json string file to Elastic Search using C# NEST library. I found this post which is related. But there is a syntax error at .Index
ANSWER
Answered 2021-Feb-10 at 04:51Take a look at the low level client documentation
QUESTION
I'm trying to send JSON-data from an ESP32 via TCP to another client. This should happen repeatingly. The JSON-String contains an array. However, when I try to put an array in the JSON-document like in the example of the Arduino-documentation using the function createNestedArray(), it works for a few times until it starts creating empty arrays.
The minimal code is this:
...ANSWER
Answered 2020-Feb-25 at 02:05First of all, before talking about the problem, let's talk the capacity (i.e. size) of the json object required. If you use ArduinoJson Assistant, The json object
QUESTION
According to this webpage, MySQL JSON columns cannot be indexed.
"JSON columns cannot be indexed. You can work around this restriction by creating an index on a generated column that extracts a scalar value from the JSON column."
Can someone please tell me if this is changed in latest MySQL community version 8.0.19?
What will give me the best performance? A index on a generated column or a duplicate (a non JSON column with the exact same text as in the JSON column) column with normal fulltext search?
...ANSWER
Answered 2020-Feb-03 at 09:26This is still the case, from the documentation:
JSON columns, like columns of other binary types, are not indexed directly; instead, you can create an index on a generated column that extracts a scalar value from the JSON column. See Indexing a Generated Column to Provide a JSON Column Index, for a detailed example.
and here also:
Indexing a Generated Column to Provide a JSON Column Index
As noted elsewhere, JSON columns cannot be indexed directly.
QUESTION
I am trying to insert a document into oracle12c using SODA lib using example.
I have created a collection using SODA. Now I am trying to insert a document, But I am getting the exception while inserting doc.
...ANSWER
Answered 2019-Sep-19 at 09:07The issue is due to the mismatch of ojdbc.jar
.
The official document says,
If you're using JDK8 or above, you could use ojdbc8.jar that ships with Oracle Database 18c. Alternatively, you can also use ojdbc8.jar that ships with OracleDatabase 12.2.0.1. If you're still on JDK7 or even JDK6, you can use ojdbc7.jar or ojdbc6.jar respectively. These ship with Oracle Database 12.1.0.2, and are downloadable from this page.
My project is using JDK 7 and project has custom ojdbc6 jar and version 11.3. Then I replace ojdbc7.jar
(downloaded from this link.) with my custom jar.
Due to this change above exception is gone and the code works well.
QUESTION
I have a json file like this :
...ANSWER
Answered 2019-Sep-16 at 12:26You can load whatever JSON you want really, you don't need to modify it before using it. Use APOC - it's a two click install into Neo4j Desktop and not much more work if you're using Enterprise. Note I also had to add a configuration setting:
QUESTION
I am using SODA for Java to store and retrieve documents from oracle 12c DB. I am following this example.
I am getting exception after the execution of the code.
oracle.soda.rdbms.impl.SODAUtils$1OracleSQLException at oracle.soda.rdbms.impl.SODAUtils.makeExceptionWithSQLText(SODAUtils.java:112) at oracle.soda.rdbms.impl.SODAUtils.makeExceptionWithSQLText(SODAUtils.java:75) at oracle.soda.rdbms.impl.OracleDatabaseImpl.loadCollection(OracleDatabaseImpl.java:1338) at oracle.soda.rdbms.impl.OracleDatabaseImpl.openCollection(OracleDatabaseImpl.java:410) at oracle.soda.rdbms.impl.OracleDatabaseImpl.createCollection(OracleDatabaseImpl.java:348) at oracle.soda.rdbms.impl.OracleDatabaseImpl.createCollection(OracleDatabaseImpl.java:332) at oracle.soda.rdbms.impl.OracleDatabaseImpl.createCollection(OracleDatabaseImpl.java:321) at oracle.soda.rdbms.impl.OracleDatabaseImpl.access$100(OracleDatabaseImpl.java:62) at oracle.soda.rdbms.impl.OracleDatabaseImpl$OracleDatabaseAdministrationImpl.createCollection(OracleDatabaseImpl.java:1798) at com.cisco.salesconnect.lms.TestSoda.main(TestSoda.java:26) Caused by: java.sql.SQLException: ORA-06550: line 2, column 3: PLS-00201: identifier 'DBMS_SODA_ADMIN.DESCRIBE_COLLECTION' must be declared ORA-06550: line 2, column 3: PL/SQL: Statement ignored at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:445) at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396) at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879) at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:450) at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192) at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531) at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:204) at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:1041) at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1329) at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3584) at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3685) at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:4714) at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1376) at oracle.soda.rdbms.impl.OracleDatabaseImpl.loadCollection(OracleDatabaseImpl.java:1317) ... 7 more
Java Code
...ANSWER
Answered 2019-Aug-09 at 11:53Somewhere in the code which gets executed when you call db.admin().createCollection("MyFirstJSONCollection");
a reference is being made to an object called DBMS_SODA_ADMIN.DESCRIBE_COLLECTION
which does not exist in the database. You should check and see if the schema DBMS_SODA_ADMIN
exists, and if there is an object called DESCRIBE_COLLECTION
in that schema. One way to do that would be to execute a query such as
QUESTION
My goal is to write some kind of bridge between our global event broker and Spring's ApplicationEvent system.
The message broker provides the messages in JSON format. My idea is to have an
...ANSWER
Answered 2019-Jun-18 at 09:47I solved it now, by seperating the Data from the ApplicationEvent like this:
QUESTION
Let's say I have a JSON file recipe.json
containing this:
ANSWER
Answered 2018-Jun-06 at 22:50With the help of a helper function, the task becomes trivial:
QUESTION
I am trying to compare 2 JSON files, they have arrays with duplicated values.
My first JSON Object has an array like this:
...ANSWER
Answered 2019-Mar-10 at 12:44I believe you should handle json arrays on your own in order to present their difference in a more "smart" way. Here is a library which contains CollectionUtils
class with disjunction
method.
QUESTION
Mongo does not allow documents to have dots in their keys (see MongoDB dot (.) in key name or https://softwareengineering.stackexchange.com/questions/286922/inserting-json-document-with-in-key-to-mongodb ).
However we have a huge mongo database where some documents do contain dots in their keys. These documents are of the form:
...ANSWER
Answered 2019-Feb-12 at 18:12You can use $objectToArray to get your data
in form of keys and values. Then you can use $filter with $indexOfBytes to check if there are any keys with .
inside of it . In the next step you can use $size to filter out those documents where remaining array is empty (no fields with dots), try:
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