TBase | level distributed HTAP database

 by   Tencent C Version: v2.5.0 License: Non-SPDX

kandi X-RAY | TBase Summary

kandi X-RAY | TBase Summary

TBase is a C library typically used in Big Data, Kafka, Hadoop, Oracle applications. TBase has no bugs, it has no vulnerabilities and it has medium support. However TBase has a Non-SPDX License. You can download it from GitHub.

A TBase cluster consists of multiple CoordinateNodes, DataNodes, and GTM nodes. All user data resides in the DataNode, the CoordinateNode contains only metadata, the GTM for global transaction management. The CoordinateNodes and DataNodes share the same schema. Users always connect to the CoordinateNodes, which divides up the query into fragments that are executed in the DataNodes, and collects the results.
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            kandi-support Support

              TBase has a medium active ecosystem.
              It has 1321 star(s) with 250 fork(s). There are 77 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 62 open issues and 60 have been closed. On average issues are closed in 355 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of TBase is v2.5.0

            kandi-Quality Quality

              TBase has 0 bugs and 0 code smells.

            kandi-Security Security

              TBase has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              TBase code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              TBase has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              TBase releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.

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            TBase Key Features

            No Key Features are available at this moment for TBase.

            TBase Examples and Code Snippets

            No Code Snippets are available at this moment for TBase.

            Community Discussions

            QUESTION

            Am I doing something wrong with Delphi 11 and Typecasting?
            Asked 2022-Feb-08 at 15:01

            If I create a simple set of classes as follows:

            ...

            ANSWER

            Answered 2022-Feb-08 at 10:46

            You cannot cast an instance of a parent to an instance of a child. That's not how it works.

            You can cast an instance of a class in a variable of a parent type to the type of the child, as long as the variable is created as an instance of the child.

            If we take the usual example of

            Source https://stackoverflow.com/questions/71032250

            QUESTION

            VHDL Increment Signal doesn't work properly
            Asked 2022-Jan-20 at 11:52

            I have a problem with my vhdl code. I have a signal whitch I want to increment every phase. So i wrote this code:

            --module.vhd enter image description here

            ...

            ANSWER

            Answered 2022-Jan-19 at 15:47

            Your code is syntactically correct, and will increment Q_int by the required amount. The problem is that Q_int is initialised to "UUUU" and is not assigned a value on reset. And when you add anything to "UUUU", you get "UUUU".

            The answer here is to either: Give Q_int and initial value: eg.

            Source https://stackoverflow.com/questions/70770486

            QUESTION

            Typescript how to infer type from class constructor arguments
            Asked 2021-Dec-27 at 03:54

            I have a class definition that has typed arguments on the constructor. I want to reuse the argument type definition elsewhere without refactoring or extracting the definition from the class. How can I do this. below is an example with a GetProps type that I was suggested but doesn't actually work. I expect the const bp definition to throw an error because it is missing the derp field which is defined in the constructor.

            ...

            ANSWER

            Answered 2021-Dec-27 at 03:54

            TypeScript includes a utility type for this: ConstructorParameters

            TS Playground

            Source https://stackoverflow.com/questions/70490820

            QUESTION

            Using type in template class of derived template class
            Asked 2021-Dec-15 at 14:20

            Try to implement the CRTP pattern. Therefore I created two template classes. With the first draft of only one template class PDerived everything is fine. But for my purpose in a bigger project I need two template classes. Which results in an error: All types of the PDerivced class are not found. But I have no idear why. In the following the is a minimalistic example.

            In this example myType can not be found? If TDerived is no template class everything is fine. Is there some namespace needed?

            ...

            ANSWER

            Answered 2021-Dec-15 at 12:36

            If you want to refer to some templated stuff of your base class, you have to give the compiler a hint how to find it.

            Change your line:

            Source https://stackoverflow.com/questions/70362802

            QUESTION

            Error when constraining a mixin input class to an interface
            Asked 2021-Dec-13 at 00:37

            I'm trying to make a mixin to give some classes an interface constraint, so that I know that the input class has certain properties.

            Here's what I have at the moment.

            ...

            ANSWER

            Answered 2021-Dec-13 at 00:37

            QUESTION

            Typescript mixin fails when trying to use base class method
            Asked 2021-Nov-17 at 13:28

            MCVE

            I would like to create a mixin, that can use a mehod of the class into which it was mixed. However this is not working.

            ...

            ANSWER

            Answered 2021-Nov-17 at 05:23

            Base in the activate method is the class constructor. It is not an instance. And activate is an method on instances.

            But since activate is an instance method, you can just use this instead.

            Just replace Base with this and it works just fine.

            Source https://stackoverflow.com/questions/69998419

            QUESTION

            How to explicitly annotate the return type of a TypeScript mixin factory function?
            Asked 2021-Nov-01 at 14:10

            Given the example TypeScript mixin pattern described here:

            ...

            ANSWER

            Answered 2021-Nov-01 at 14:10

            You don't need to declare explicit return type for Scale function because TypeScript is smart enought to infer the return type. Hover your mouse on Scale and you will see that return type is

            Source https://stackoverflow.com/questions/69794562

            QUESTION

            How to cast a list of TBase to a list of TChild where TChild : TBase using KClass?
            Asked 2021-Oct-07 at 00:14

            I have a list of TBase that I know is a list of TChild, where TChild : TBase. If I only have KClass, is it possible to cast List to List?

            ...

            ANSWER

            Answered 2021-Oct-07 at 00:14

            If you are really sure that it holds TChild objects only and you won't add any other objects to it after the cast (List is read-only, not immutable), then you can just do an unchecked cast like this:

            Source https://stackoverflow.com/questions/69473297

            QUESTION

            Typescript Generic Class Constraint
            Asked 2021-Sep-13 at 19:41

            I have the example below which describes a structure to pass to the Jumpable class. When i pass the Test class i get an error.

            ...

            ANSWER

            Answered 2021-Sep-13 at 19:41

            It's important to understand the difference between JavaScript values which exist at runtime, and TypeScript types which exist only at compile time.

            A type is kind of like a set of possible values. In the following code:

            Source https://stackoverflow.com/questions/69166387

            QUESTION

            Typescript mixin constrained to typeof class
            Asked 2021-Jun-11 at 11:46

            I was following this example from the Typescript documentation:

            ...

            ANSWER

            Answered 2021-Jun-11 at 11:46

            This appears to be a mistake in the documentation. The generic parameter T is the return type of the constructor, so it should be the object type Sprite rather than the class type typeof Sprite.

            I've submitted a PR to fix it: https://github.com/microsoft/TypeScript-Website/pull/1862

            Update: The PR has been merged and the Constrained-mixins documentation now uses GConstructor istead of GConstructor.

            Source https://stackoverflow.com/questions/67762619

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

            Vulnerabilities

            No vulnerabilities reported

            Install TBase

            Use PGXC_CTL tool to build a cluster, for example: a cluster with a global transaction management node (GTM), a coordinator(COORDINATOR) and two data nodes (DATANODE).

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            CLONE
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            https://github.com/Tencent/TBase.git

          • CLI

            gh repo clone Tencent/TBase

          • sshUrl

            git@github.com:Tencent/TBase.git

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