DynamicQuery | An improvement of the original Dynamic Linq MSDN sample | Database library

 by   aaubry HTML Version: Current License: No License

kandi X-RAY | DynamicQuery Summary

kandi X-RAY | DynamicQuery Summary

DynamicQuery is a HTML library typically used in Database applications. DynamicQuery has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

An improvement of the original Dynamic Linq MSDN sample.
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              DynamicQuery has a low active ecosystem.
              It has 6 star(s) with 2 fork(s). There are 1 watchers for this library.
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              It had no major release in the last 6 months.
              DynamicQuery has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of DynamicQuery is current.

            kandi-Quality Quality

              DynamicQuery has no bugs reported.

            kandi-Security Security

              DynamicQuery has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              DynamicQuery does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
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              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              DynamicQuery releases are not available. You will need to build from source code and install.

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            DynamicQuery Key Features

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            DynamicQuery Examples and Code Snippets

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            Community Discussions

            QUESTION

            Return a variable from inside a lambda
            Asked 2021-Feb-11 at 19:30

            I have a method that receives a dto in which many of its fields are used to make a dynamic query based on the non-null fields. I am accessing each field by reflection in a lambda to add the non-null fields to the dynamic query. This works, but I don't know how to get that list to return it.

            ...

            ANSWER

            Answered 2021-Feb-11 at 19:28

            It seems that you don't want to call mongoTemplate.find or PreOrderMapper.mapToDtos inside of the lambda, as the lambda will be executed once for each local field.

            But from your code I'd guesstimate that you really want to execute the query after having built the dynamicQuery object from all fields.

            And since you already manipulate the object referenced by dynamicQuery inside the lambda, it's as simple as moving the code to actually execute it out of the lambda:

            Source https://stackoverflow.com/questions/66161434

            QUESTION

            jOOQ CommonTableExpression with SelectQuery
            Asked 2021-Feb-02 at 09:38

            We have a query with a common structure that we use under different circumstances (where clause is different)

            So we have something like this

            ...

            ANSWER

            Answered 2021-Jan-29 at 08:56

            TL;DR: You can't use CTEs with jOOQ 3.15's model API

            Some background on the jOOQ model API vs DSL API distinction

            The very old jOOQ 1.0 only had what is now called the "model API", a mutable, procedural API with setters (no getters), where you can manipulate dynamic SQL.

            jOOQ 2.0 introduced the DSL API, which is what most people are using today. The fact that the DSL API mimicks the SQL language helps users discover jOOQ API much more easily. Everything is named exactly as expected. With the exception of a few quirks in the areas of CTE and derived tables, you can write jOOQ-SQL almost just like actual SQL.

            The model API was not deprecated, but wrapped by the DSL API, and kept around:

            • for backwards compatibility reasons
            • because some people seemed to like the procedural approach

            You can't do anything with the model API that you couldn't do with the DSL API as well, though a more functional programming style may be helpful when doing this with the DSL API. See: https://blog.jooq.org/2017/01/16/a-functional-programming-approach-to-dynamic-sql-with-jooq

            The future of jOOQ

            While the model API is still getting some new clauses support for SELECT, INSERT, UPDATE, DELETE statements, there are some statements that are not available in a model API form. These include MERGE, TRUNCATE, all DDL statements, all procedural statements. And, the WITH clause.

            The strategy is to eventually deprecate the model API, because the redundancy creates a lot of extra work that is better invested elsewhere. There are also subtle bugs when people call model API methods in unexpected order, i.e. an order that is not possible through the DSL API.

            • In a first step, pretty soon, jOOQ will inverse the relationship between APIs: https://github.com/jOOQ/jOOQ/issues/11241. The model API will be the auxiliary wrapper of the DSL API for those who rely on it for backwards compatibility. It isn't unlikely that the model API will even be extracted into a separate compatibility module, to discourage its use in new code
            • In a next step, with the dependencies inversed, the DSL API can finally become consistently immutable, which is what many users expect, and to their surprise, find lacking: https://github.com/jOOQ/jOOQ/issues/9047
            • Eventually, the model API will be deprecated, and then dropped

            You can still use it today, and the deprecation and removal will be done over a long period of time, so there's no hurry in getting off this API (as always with jOOQ). But in the context of your question, it's good to see that jOOQ will not invest in adding too many features to it, anymore. CTE support won't be added to the model API.

            Workarounds

            You can, of course, work around this limitation, because internally, the model API is CTE capable:

            • You could use reflection to add new CTEs to the SelectQuery internal representation. I won't document how this works, here, because it's never a good idea to document these things :)
            • You could start creating a query using the DSL API, and then extract the internal SelectQuery representation using SelectFinalStep.getQuery(), and continue working from there.

            Source https://stackoverflow.com/questions/65909646

            QUESTION

            How to create dynamic components
            Asked 2020-Dec-20 at 18:54

            I see opportunities to minimize network bytes transfer of my website, but can't come up with a proper solution.

            In Gatsby, I make use of .mdx files. In these files I can use React Components, such as:

            There are dozens of cards defined in a .json file, which can be used across the website by just calling this component in de mdx file and passing their id.

            The Cards component looks like somewhat like this:

            ...

            ANSWER

            Answered 2020-Dec-19 at 04:33

            GraphQL queries are run ONCE when you run gatsby develop or gatsby build. This is a counterintuitive way how Gatsby works but read it yourself:

            Gatsby uses GraphQL at build-time and not for live sites.

            More information about the gatsby build process and how GraphQL factors into it.

            This means you already built your component the way you are supposed to. During build all your cards are queried and kept in memory. When creating the HTML for your pages with your cards, only the cards with your ID are used to build your page. Thus the user only sees gets transmitted the pages with filtered IDs.

            You can double check if really only the cards with the ID are inside your page:

            • run gatsby clean: make sure old fragments of your page are removed
            • run gatsby build: Create your site from scratch
            • Check your public folder in your project root. This is the classic webpage that gatsby builds. Navigate to your pages with your cards for example /public/blog/example-page-with-card. Take a look inside the HTML of the page: Does it contain all the cards or just the one with the IDs you need?

            Source https://stackoverflow.com/questions/65310879

            QUESTION

            No qualifying repository test in Spring
            Asked 2020-Nov-20 at 18:08

            I'm using Spring 2.4 and jUnit 5.7.

            I'm trying to use a repository create for test but I'm getting "No qualifying bean of type".

            I annotated the repository @TestComponent.

            ...

            ANSWER

            Answered 2020-Nov-20 at 18:08

            I just solved this problem. The first step was change the repository to extends JpaRepositoryImplementation. Then it throws a UnsupportedOperationException. Diging a bit I reach this post and I changed all the Collections.emptyList and Arrays.asList() to instanciate it as new ArrayList<>(). Then the test run properly.

            Source https://stackoverflow.com/questions/64915105

            QUESTION

            Dynamic query to take input from user and do filtering from the database node.js
            Asked 2020-May-15 at 18:51

            enter image description hereWhat I'm trying is fetching columns from the user to which the user entered, The Good thing is Columns are getting fetched and the bad thing is the columns that I had applied conditions are not working.Can anyone help me out? I want a query that works for the filter option as in many websites to filter any product or something. Newbie here!!!

            ...

            ANSWER

            Answered 2020-May-04 at 16:50

            i think you should make a match object array it will make your code more neat and hoping that it will solve your problem

            Ex:

            Source https://stackoverflow.com/questions/61597237

            QUESTION

            Fetch data from mongo db in spring boot application where collection name & fields to fetch are known at runtime
            Asked 2020-Apr-03 at 14:01

            I need to create a spring boot batch job in which, I need to fetch data from mongoDB where I don't have info about collection name & fields to fetch at coding time. I get this info only when the batch starts. E.g. When batch starts, I can read properties file where I get collection name by 1 property & another property gives list of fields to fetch, third filed provides criteria/condition for query So, due to this, I cant have a Java POJO defined which have mapping for collection or I cant create any MongoRepository\Template (collection name is known at runtime).

            What I want to know is, just like plain old native SQL, if i get to know fields name & table name, on the fly, SQL can be build & can be fired to get the data:

            ...

            ANSWER

            Answered 2020-Apr-03 at 14:01

            You can use MongoTemplate for this which can be autowired as spring provides and configures it for you automatically.

            It has a

            Source https://stackoverflow.com/questions/61012311

            QUESTION

            Checking if multiple fields contains a String
            Asked 2019-Dec-26 at 16:25

            I am using MongoTemplate to construct a query which searches for a String (exactly like LIKE %abc% in SQL) across multiple fields. So, I have an object like:

            ...

            ANSWER

            Answered 2019-Dec-26 at 16:25
            Criteria freeTextCriteria = new Criteria();
            freeTextCriteria.orOperator(Criteria.where("location").regex(".*"+ freeText +".*"), Criteria.where("badge").regex(".*"+ freeText +".*"));
            Query dynamicQuery = new Query(freeTextCriteria);
            mongoTemplate.find(dynamicQuery, .class, "collectionName");
            

            Source https://stackoverflow.com/questions/59490813

            QUESTION

            Mongo Template Aggregate by a date interval in Spring.Mongodb
            Asked 2019-Dec-05 at 16:42

            I need to aggregate some data using java and Mongodb.

            So my JS script it's that:

            ...

            ANSWER

            Answered 2019-Dec-05 at 16:42

            I have one solution, but I do not know if it is a better solution, so, let's go.

            Because the Entity represented inside the Post Domain is one DBRef, the MongoDB does not parse the entire Stringo to the PostSummary.Class

            Source https://stackoverflow.com/questions/59163565

            QUESTION

            Parsing csv file and splitting into sub files
            Asked 2019-Dec-04 at 14:42

            I am trying to create a generic filter to split file on the condition from the Yaml file.

            My code is running Pandas but as the environment is not having Pandas module I am trying to achieve it through CSV library.

            When I am hard coding the value at q its working but when I am trying to pass it from the config file its not working. Also I want pass multiple checks on the same column like('','Balance). So Asset goest to one file and ('','Balance) in another.

            ...

            ANSWER

            Answered 2019-Dec-04 at 13:31

            The YAML configuration file format is not particularly convenient for this, and yaml is not a standard Python module. I would probably go for something like regular expressions instead of a YAML file. But just to sort out the immediate problems, the problem here is that you are mixing up Python syntax and literal quoting characters. You are assembling a string containing literal double quotes around Asset for example, where your CSV file does not contain double quotes around this value; and so you are effectively comparing if 'Asset' == '"Asset"' which of course is False.

            The following might not do exactly what you want, but should at least demonstrate a rough first cut of what I think you are trying to do here.

            Source https://stackoverflow.com/questions/59171934

            QUESTION

            How to query last version of JournalArticle with DynamicQuery in Liferay 7.2
            Asked 2019-Oct-31 at 11:18

            I have the following query in my code:

            ...

            ANSWER

            Answered 2019-Oct-31 at 11:18

            I have found out that if you use the "search" method and pass the "version" parameter as null, you get only the latest versions of the JournalArticle:

            Source https://stackoverflow.com/questions/58590853

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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            You can download it from GitHub.

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