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JSqlParser | JSqlParser parses an SQL statement | SQL Database library

 by   JSQLParser Java Version: jsqlparser-4.4 License: Non-SPDX

 by   JSQLParser Java Version: jsqlparser-4.4 License: Non-SPDX

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kandi X-RAY | JSqlParser Summary

JSqlParser is a Java library typically used in Database, SQL Database, Oracle applications. JSqlParser has no bugs, it has no vulnerabilities, it has build file available and it has medium support. However JSqlParser has a Non-SPDX License. You can download it from GitHub, Maven.
Look here for more information and examples: https://github.com/JSQLParser/JSqlParser/wiki.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • JSqlParser has a medium active ecosystem.
  • It has 3595 star(s) with 1098 fork(s). There are 219 watchers for this library.
  • There were 1 major release(s) in the last 6 months.
  • There are 148 open issues and 944 have been closed. On average issues are closed in 66 days. There are 18 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of JSqlParser is jsqlparser-4.4
JSqlParser Support
Best in #SQL Database
Average in #SQL Database
JSqlParser Support
Best in #SQL Database
Average in #SQL Database

quality kandi Quality

  • JSqlParser has 0 bugs and 0 code smells.
JSqlParser Quality
Best in #SQL Database
Average in #SQL Database
JSqlParser Quality
Best in #SQL Database
Average in #SQL Database

securitySecurity

  • JSqlParser has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • JSqlParser code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
JSqlParser Security
Best in #SQL Database
Average in #SQL Database
JSqlParser Security
Best in #SQL Database
Average in #SQL Database

license License

  • JSqlParser 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.
JSqlParser License
Best in #SQL Database
Average in #SQL Database
JSqlParser License
Best in #SQL Database
Average in #SQL Database

buildReuse

  • JSqlParser releases are available to install and integrate.
  • Deployable package is available in Maven.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • JSqlParser saves you 17290 person hours of effort in developing the same functionality from scratch.
  • It has 41624 lines of code, 5762 functions and 505 files.
  • It has medium code complexity. Code complexity directly impacts maintainability of the code.
JSqlParser Reuse
Best in #SQL Database
Average in #SQL Database
JSqlParser Reuse
Best in #SQL Database
Average in #SQL Database
Top functions reviewed by kandi - BETA

kandi has reviewed JSqlParser and discovered the below as its top functions. This is intended to give you an instant insight into JSqlParser implemented functionality, and help decide if they suit your requirements.

  • Handle the not - operator .
  • Fills the buffer .
  • Modifies the given expression by recursively .
  • Append the table to the builder .
  • Converts a list of objects into a comma - separated list .
  • Validates that the given join is supported .
  • Determines the nesting depth of a SQL statement .
  • Parses the multi expression list .
  • Compares this object to another object .
  • Format the function declaration parts .

JSqlParser Key Features

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

Building from the sources

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mvn package

Source Code conventions

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public void setUsingSelect(SubSelect usingSelect) {
    this.usingSelect = usingSelect;
    if (this.usingSelect != null) {
        this.usingSelect.setUseBrackets(false);
    }
}

Maven Repository

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<repositories>
     <repository>
         <id>jsqlparser-snapshots</id>
         <snapshots>
             <enabled>true</enabled>
         </snapshots>
         <url>https://oss.sonatype.org/content/groups/public/</url>
     </repository>
</repositories>

How to add new column to select statement with JSqlParser

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Select select = (Select) CCJSqlParserUtil.parse("select mydate from mytable");
SelectUtils.addExpression(select, new Column("mylocation"));

How to add new condition with JSqlParser?

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    var sql = "SELECT EMP_ID, FIRST_NAME FROM EMPLOYEES WHERE EMP_ID = 10 AND EMP_ID = 10 AND FIRST_NAME = 'Steven'";
    var select = (Select) CCJSqlParserUtil.parse(sql);
    var plainselect = (PlainSelect) select.getSelectBody();
    
    //1. add another condition by deparsing the old one and integrate it into
    //a new expression, which is parsed and then set into your statement.        
    var where = CCJSqlParserUtil.parseCondExpression(plainselect.getWhere() 
           + " and ROWNUM < 10");
   
    //2. second is building a new AndExpression and sets the left item to the
    //original where condition and adds a new condition as the right item.
    var where2 = new AndExpression(plainselect.getWhere(),
           CCJSqlParserUtil.parseCondExpression("ROWNUM < 10"));
    
    //output both versions. in fact they should and are identical.
    plainselect.setWhere(where);
    System.out.println(select.toString());
    
    plainselect.setWhere(where2);
    System.out.println(select.toString());
SELECT EMP_ID, FIRST_NAME FROM EMPLOYEES WHERE EMP_ID = 10 AND EMP_ID = 10 AND FIRST_NAME = 'Steven' AND ROWNUM < 10
-----------------------
    var sql = "SELECT EMP_ID, FIRST_NAME FROM EMPLOYEES WHERE EMP_ID = 10 AND EMP_ID = 10 AND FIRST_NAME = 'Steven'";
    var select = (Select) CCJSqlParserUtil.parse(sql);
    var plainselect = (PlainSelect) select.getSelectBody();
    
    //1. add another condition by deparsing the old one and integrate it into
    //a new expression, which is parsed and then set into your statement.        
    var where = CCJSqlParserUtil.parseCondExpression(plainselect.getWhere() 
           + " and ROWNUM < 10");
   
    //2. second is building a new AndExpression and sets the left item to the
    //original where condition and adds a new condition as the right item.
    var where2 = new AndExpression(plainselect.getWhere(),
           CCJSqlParserUtil.parseCondExpression("ROWNUM < 10"));
    
    //output both versions. in fact they should and are identical.
    plainselect.setWhere(where);
    System.out.println(select.toString());
    
    plainselect.setWhere(where2);
    System.out.println(select.toString());
SELECT EMP_ID, FIRST_NAME FROM EMPLOYEES WHERE EMP_ID = 10 AND EMP_ID = 10 AND FIRST_NAME = 'Steven' AND ROWNUM < 10

Community Discussions

Trending Discussions on JSqlParser
  • How to add new column to select statement with JSqlParser
  • java.lang.IllegalStateException: No suitable constructor: &lt;New id=&quot;IADD&quot; class=&quot;org.eclipse.jetty.plus.jndi.Resource&quot;&gt;&lt;Arg&gt;
  • You can't map a property that does not exist: propertyName=baseName when build using gradle 7.0
  • How to add new condition with JSqlParser?
Trending Discussions on JSqlParser

QUESTION

How to add new column to select statement with JSqlParser

Asked 2022-Feb-18 at 10:38

This is my sql statement.

String sql = "select mydate from mytable";

How can i add new columns to it dynamically with JSqlParser?

For example i want to add "mylocation" column to my sql query:

String sql = "select mydate, mylocation from mytable";

ANSWER

Answered 2022-Feb-18 at 10:38

According to the documentation it should work like this:

Select select = (Select) CCJSqlParserUtil.parse("select mydate from mytable");
SelectUtils.addExpression(select, new Column("mylocation"));

Source https://stackoverflow.com/questions/71171747

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

Vulnerabilities

No vulnerabilities reported

Install JSqlParser

You can download it from GitHub, Maven.
You can use JSqlParser like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the JSqlParser component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

If you need help using JSqlParser feel free to file an issue or contact me.

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