sqlparser | Simple SQL parser meant for querying CSV files | SQL Database library

 by   marianogappa Go Version: Current License: MIT

kandi X-RAY | sqlparser Summary

kandi X-RAY | sqlparser Summary

sqlparser is a Go library typically used in Database, SQL Database, Nodejs applications. sqlparser has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Simple SQL parser meant for querying CSV files
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              sqlparser has a low active ecosystem.
              It has 379 star(s) with 71 fork(s). There are 9 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 0 open issues and 9 have been closed. On average issues are closed in 40 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of sqlparser is current.

            kandi-Quality Quality

              sqlparser has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              sqlparser is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              sqlparser releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            sqlparser Key Features

            No Key Features are available at this moment for sqlparser.

            sqlparser Examples and Code Snippets

            No Code Snippets are available at this moment for sqlparser.

            Community Discussions

            QUESTION

            Testing parsing of Spark SQL statements
            Asked 2020-Dec-01 at 08:58

            I'm currently writing a Spark application (Spark 3.0.1) in Scala (Scala 2.12.12) and would like to unit test the sql statements to check they can be parsed correctly. So for example, I’d like check that:

            ...

            ANSWER

            Answered 2020-Dec-01 at 08:58

            I think you're looking for parser.parsePlan instead of parser.parseExpression. The second query doesn't show an error for parsePlan.

            However, note that

            Source https://stackoverflow.com/questions/65082820

            QUESTION

            Extract specific token out of ANTLR Parse Tree
            Asked 2020-Sep-17 at 12:40

            i'm trying to extract data from the ANTLR parse tree, but not fully grasping how this should be done correctly

            Let's say i have the following two SQL queries:

            ...

            ANSWER

            Answered 2020-Sep-17 at 12:40

            QUESTION

            Using scala, how do I compare two class types when one has a $ at the end?
            Asked 2020-Aug-20 at 03:29

            I'm trying to compare the class type of a SparkSQL query.

            ...

            ANSWER

            Answered 2020-Aug-20 at 03:29

            org.apache.spark.sql.catalyst.plans.logical.Project.getClass calls the getClass method of the companion object for org.apache.spark.sql.catalyst.plans.logical.Project which is a singleton instance of the class org.apache.spark.sql.catalyst.plans.logical.Project$ (in this case, looking at Spark's code shows that to be a case class with a synthetic companion object).

            You can get the class object for org.apache.spark.sql.catalyst.plans.logical.Project with:

            Source https://stackoverflow.com/questions/63497157

            QUESTION

            Koltin Execution failed for task ':app:kaptDebugKotlin'
            Asked 2020-Jul-22 at 14:59

            Unsolvable problem when I try to start my app. I'm using Room database and databinding. I've located the problem to originate from my database class but cannot seem to find a solution for the problem

            ...

            ANSWER

            Answered 2020-Jul-20 at 20:25

            I'm still learning Android and Kotlin but I think the problem lies in the Database class. However, I'm not sure but hopefully it will help.

            Try:

            Source https://stackoverflow.com/questions/62995176

            QUESTION

            ANTLR4 - VisitChildren returns null, even when child returns some object
            Asked 2020-Jul-07 at 09:02

            I've been trying to implement the Visitor Pattern to parse some specific SQL Statements into an internal object structure consisting of TableDefinition and ColumnDefinition objects.

            This is a small (stripped down) portion from the grammar:

            ...

            ANSWER

            Answered 2020-Jul-07 at 07:33

            You'll have to override all Visit...(... context) calls (at least all the ones that your parse tree has in it). Let's say you have this grammar:

            Source https://stackoverflow.com/questions/62760274

            QUESTION

            Conda Build fails packaging C++ project
            Asked 2020-Mar-27 at 06:37

            I'm trying to create a recipe for the library here: https://github.com/hyrise/sql-parser

            I'm building for OSX 10.13.

            My build.sh looks like this:

            ...

            ANSWER

            Answered 2020-Mar-27 at 06:37

            You need to find a way to get -I$BUILD_PREFIX/include to the invocation of g++ / gcc

            Source https://stackoverflow.com/questions/60479626

            QUESTION

            how to traverse sqlNode in calcite
            Asked 2020-Mar-03 at 07:11

            I need to convert all the table name and column name to another name in a SQL query which will be in form of string and I have to do it using the Calcite SQL parser. I only know that I have to implement the visitor interface, but I have no clue how to do it. Please help me out and give me some basic information as to how to do that.

            Sorry for asking basic question like this, but I went through the documentation of Calcite sqlparser and got no idea what to do, also there are minimal tutorials on it.

            ...

            ANSWER

            Answered 2020-Mar-03 at 07:11

            i got this code at github which helped, it shows the basic operation on the tree such as getting tablename and columnname

            github code

            some more examples of calcite codes

            Source https://stackoverflow.com/questions/60465600

            QUESTION

            How to get a type without using too many if clause?
            Asked 2019-Nov-10 at 09:54

            Here is my g4 file

            ...

            ANSWER

            Answered 2019-Nov-09 at 02:56

            "ctx.dataType().BOOLEAN()","ctx.dataType().FLOAT()"...returns different type of class ,you should create a parent class A ,use "ctx.dataType.A().getTxt()",polymorphism. Then the different type of class instance assign to parent class A,avoid using too many if clause!!

            Source https://stackoverflow.com/questions/58775939

            QUESTION

            Apache calcite geode JDBC adapte not working with Gemfire 8.x and 9.X
            Asked 2019-Oct-11 at 15:57

            I am trying to connect Gemfire 8.2 using apache calcite geode adopter. As per following logs its connectied properly but while try to execute query getting exception .

            Note : http://calcite.apache.org/news/2018/03/19/release-1.16.0/

            Moreover, a new adapter to read data from Apache Geode was added in this release. In addition, more progress has been made for the existing adapters

            1) Connection class

            ...

            ANSWER

            Answered 2018-Mar-21 at 16:51

            The Geode Adapter is compiled with Geode version: 1.3 (https://github.com/apache/calcite/blob/master/pom.xml#L79) that corresponds to Gemfire 9.x.

            Because the Gemfire 8.x is code incompatible with Gemfire 9.x. you would not be able to use the Geode Adapter on the Gemfire 8.x or older. Furthermore the OQL in Gemfire 8.x doesn't support GROUP BY construct either.

            Source https://stackoverflow.com/questions/49411169

            QUESTION

            Apache Calcite - registering UDFs for use in RelBuilder
            Asked 2019-Oct-11 at 13:32

            The OOTB sample udf junits (UdfTest.java) make use of a dummy jdbc schema and do not show the usage of RelBuilder api.

            I am working on registering a simple UDF that returns the length of the input string. I have created the SqlFunction and registered the same in the SqlStdOperatorTable -

            ...

            ANSWER

            Answered 2019-Oct-11 at 13:32

            A comment on calcite jira for my question here answers the question with one approach-

            This is because SqlStdOperatorTable.instance() did some initialization work for the registered functions. So an invoke of #register after it would not work as expected. The correct way is to use ListSqlOperatorTable and chained it with the StdSqlOperatorTable with ChainedSqlOperatorTable, the presudo code may like this:

            Source https://stackoverflow.com/questions/58268828

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

            Vulnerabilities

            No vulnerabilities reported

            Install sqlparser

            You can download it from GitHub.

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