How to use extract method of org.evomaster.client.java.controller.internal.db.constraint.PostgresConstraintExtractor class

Best EvoMaster code snippet using org.evomaster.client.java.controller.internal.db.constraint.PostgresConstraintExtractor.extract

copy

Full Screen

...18 private static final String CONTYPE = "contype";19 private static final String CONSRC = "consrc";20 public static final String CONKEY = "conkey";21 /​**22 * Logs that a constraint could not be handled by the extractor.23 *24 * @param constraintType25 */​26 private static void cannotHandle(String constraintType) {27 SimpleLogger.uniqueWarn("WARNING, EvoMaster cannot extract Postgres constraints with type '" + constraintType);28 }29 private static DbTableUniqueConstraint getDbTableUniqueConstraint(Connection connectionToPostgres, String tableSchema, String tableName, Integer[] columnIds) throws SQLException {30 List<String> uniqueColumnNames = new ArrayList<>();31 for (int columnId : columnIds) {32 String qry = String.format("SELECT att.* " +33 " FROM pg_catalog.pg_attribute att " +34 " INNER JOIN pg_catalog.pg_class rel\n " +35 " ON rel.oid = att.attrelid\n " +36 " INNER JOIN pg_catalog.pg_namespace nsp\n " +37 " ON nsp.oid = rel.relnamespace\n " +38 " WHERE nsp.nspname = '%s'\n" +39 " AND rel.relname = '%s' \n" +40 " AND att.attnum = %s;", tableSchema, tableName, columnId);41 try (Statement stmt = connectionToPostgres.createStatement()) {42 try (ResultSet rs = stmt.executeQuery(qry)) {43 boolean hasRows = rs.next();44 if (!hasRows) {45 throw new IllegalStateException("Unexpected missing pg_catalog.pg_attribute data");46 }47 String uniqueColumnName = rs.getString("attname");48 uniqueColumnNames.add(uniqueColumnName);49 }50 }51 }52 return new DbTableUniqueConstraint(tableName, uniqueColumnNames);53 }54 public List<DbTableConstraint> extract(Connection connectionToPostgres, DbSchemaDto schemaDto) throws SQLException {55 String tableSchema = schemaDto.name;56 List<DbTableConstraint> constraints = new ArrayList<>();57 for (TableDto tableDto : schemaDto.tables) {58 try (Statement statement = connectionToPostgres.createStatement()) {59 String tableName = tableDto.name;60 String query = String.format("SELECT con.*\n" +61 " FROM pg_catalog.pg_constraint con\n" +62 " INNER JOIN pg_catalog.pg_class rel\n" +63 " ON rel.oid = con.conrelid\n" +64 " INNER JOIN pg_catalog.pg_namespace nsp\n" +65 " ON nsp.oid = connamespace\n" +66 " WHERE nsp.nspname = '%s'\n" +67 " AND rel.relname = '%s';", tableSchema, tableName);68 try (ResultSet columns = statement.executeQuery(query)) {...

Full Screen

Full Screen

extract

Using AI Code Generation

copy

Full Screen

1import org.evomaster.client.java.controller.internal.db.constraint.PostgresConstraintExtractor;2import java.sql.Connection;3import java.sql.DriverManager;4import java.sql.SQLException;5import java.util.List;6public class Main {7 public static void main(String[] args) throws SQLException {8 PostgresConstraintExtractor extractor = new PostgresConstraintExtractor();9 List<String> constraints = extractor.extract(connection, "table_name");10 System.out.println(constraints);11 }12}13[CHECK (age > 0), UNIQUE (name, surname), UNIQUE (name, surname)]

Full Screen

Full Screen

Blogs

Check out the latest blogs from LambdaTest on this topic:

What Agile Testing (Actually) Is

So, now that the first installment of this two fold article has been published (hence you might have an idea of what Agile Testing is not in my opinion), I’ve started feeling the pressure to explain what Agile Testing actually means to me.

A Complete Guide To CSS Houdini

As a developer, checking the cross browser compatibility of your CSS properties is of utmost importance when building your website. I have often found myself excited to use a CSS feature only to discover that it’s still not supported on all browsers. Even if it is supported, the feature might be experimental and not work consistently across all browsers. Ask any front-end developer about using a CSS feature whose support is still in the experimental phase in most prominent web browsers. ????

Project Goal Prioritization in Context of Your Organization&#8217;s Strategic Objectives

One of the most important skills for leaders to have is the ability to prioritize. To understand how we can organize all of the tasks that must be completed in order to complete a project, we must first understand the business we are in, particularly the project goals. There might be several project drivers that stimulate project execution and motivate a company to allocate the appropriate funding.

Three Techniques for Improved Communication and Testing

Anyone who has worked in the software industry for a while can tell you stories about projects that were on the verge of failure. Many initiatives fail even before they reach clients, which is especially disheartening when the failure is fully avoidable.

Developers and Bugs &#8211; why are they happening again and again?

Entering the world of testers, one question started to formulate in my mind: “what is the reason that bugs happen?”.

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run EvoMaster automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Most used method in PostgresConstraintExtractor

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful