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How to use H2VersionUtils class of org.evomaster.client.java.controller.db.h2 package

Best EvoMaster code snippet using org.evomaster.client.java.controller.db.h2.H2VersionUtils

Source:DbCleaner.java

1package org.evomaster.client.java.controller.db;2import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;3import org.evomaster.client.java.controller.db.h2.H2VersionUtils;4import org.evomaster.client.java.utils.SimpleLogger;5import java.sql.Connection;6import java.sql.ResultSet;7import java.sql.SQLException;8import java.sql.Statement;9import java.util.HashSet;10import java.util.List;11import java.util.Set;12import java.util.stream.Collectors;13/**14 * Class used to clean/reset the state of the current database15 */16public class DbCleaner {17    public static void clearDatabase_H2(Connection connection) {18        clearDatabase_H2(connection, null);19    }20    public static void clearDatabase_H2(Connection connection, List<String> tableToSkip) {21        clearDatabase_H2(connection, getDefaultSchema(DatabaseType.H2), tableToSkip);22    }23    public static void clearDatabase_H2(Connection connection, String schemaName, List<String> tableToSkip) {24        clearDatabase_H2(connection, schemaName, tableToSkip, null);25    }26    public static void clearDatabase_H2(Connection connection, String schemaName, List<String> tableToSkip, List<String> tableToClean) {27        final String h2Version;28        try {29            h2Version = H2VersionUtils.getH2Version(connection);30        } catch (SQLException e) {31            throw new RuntimeException("Unexpected SQLException while fetching H2 version", e);32        }33        /*34         * The SQL command "TRUNCATE TABLE my_table RESTART IDENTITY"35         * is not supported by H2 version 1.4.199 or lower36         */37        final boolean restartIdentitiyWhenTruncating = H2VersionUtils.isVersionGreaterOrEqual(h2Version, H2VersionUtils.H2_VERSION_2_0_0);38        clearDatabase(getDefaultRetries(DatabaseType.H2), connection, schemaName, tableToSkip, tableToClean, DatabaseType.H2,39                false, true, restartIdentitiyWhenTruncating);40    }41    /*42        [non-determinism-source] Man: retries might lead to non-determinate logs43     */44    private static void clearDatabase(int retries,45                                      Connection connection,46                                      String schemaName,47                                      List<String> tableToSkip,48                                      List<String> tableToClean,49                                      DatabaseType type,50                                      boolean doDropTable,51                                      boolean doResetSequence,52                                      boolean restartIdentityWhenTruncating) {53        /*54            Code based on55            https://stackoverflow.com/questions/8523423/reset-embedded-h2-database-periodically56         */57        try {58            Statement statement = connection.createStatement();59            /*60                For H2, we have to delete tables one at a time... but, to avoid issues61                with FKs, we must temporarily disable the integrity checks62             */63            disableReferentialIntegrity(statement, type);64            List<String> cleanedTable = cleanDataInTables(tableToSkip,65                    tableToClean,66                    statement,67                    type,68                    schemaName,69                    isSingleCleanCommand(type),70                    doDropTable,71                    restartIdentityWhenTruncating);72            if (doResetSequence) {73                List<String> sequenceToClean = null;74                if (type == DatabaseType.MYSQL || type == DatabaseType.MARIADB)75                    sequenceToClean = cleanedTable;76                resetSequences(statement, type, schemaName, sequenceToClean);77            }78            enableReferentialIntegrity(statement, type);79            statement.close();80        } catch (Exception e) {81            /*82                this could happen if there is a current transaction with a lock on any table.83                We could check the content of INFORMATION_SCHEMA.LOCKS, or simply look at error message84             */85            String msg = e.getMessage();86            if (msg != null && msg.toLowerCase().contains("timeout")) {87                if (retries > 0) {88                    SimpleLogger.warn("Timeout issue with cleaning DB. Trying again.");89                    //let's just wait a bit, and retry90                    try {91                        Thread.sleep(2000);92                    } catch (InterruptedException interruptedException) {93                        // empty block94                    }95                    retries--;96                    clearDatabase(retries, connection, schemaName, tableToSkip, tableToClean, type, doDropTable, doResetSequence, restartIdentityWhenTruncating);97                } else {98                    SimpleLogger.error("Giving up cleaning the DB. There are still timeouts.");99                }100            }101            throw new RuntimeException(e);102        }103    }104    public static void clearDatabase(Connection connection, List<String> tablesToSkip, DatabaseType type, boolean doResetSequence) {105        clearDatabase(connection, getDefaultSchema(type), tablesToSkip, type, doResetSequence);106    }107    public static void clearDatabase(Connection connection, List<String> tablesToSkip, DatabaseType type) {108        clearDatabase(connection, tablesToSkip, type, true);109    }110    public static void clearDatabase(Connection connection, List<String> tableToSkip, List<String> tableToClean, DatabaseType type) {111        clearDatabase(connection, tableToSkip, tableToClean, type, true);112    }113    public static void clearDatabase(Connection connection, List<String> tableToSkip, List<String> tableToClean, DatabaseType type, boolean doResetSequence) {114        clearDatabase(connection, getDefaultSchema(type), tableToSkip, tableToClean, type, doResetSequence);115    }116    public static void clearDatabase(Connection connection, String schemaName, List<String> tablesToSkip, DatabaseType type) {117        clearDatabase(connection, getSchemaName(schemaName, type), tablesToSkip, type, true);118    }119    public static void clearDatabase(Connection connection, String schemaName, List<String> tablesToSkip, DatabaseType type, boolean doResetSequence) {120        clearDatabase(connection, getSchemaName(schemaName, type), tablesToSkip, null, type, doResetSequence);121    }122    public static void clearDatabase(Connection connection, String schemaName, List<String> tableToSkip, List<String> tableToClean, DatabaseType type) {123        clearDatabase(connection, getSchemaName(schemaName, type), tableToSkip, tableToClean, type, true);124    }125    public static void clearDatabase(Connection connection, String schemaName, List<String> tableToSkip, List<String> tableToClean, DatabaseType type, boolean doResetSequence) {126        /*127         * Enable the restarting of Identity fields only if sequences are to be restarted128         * and the database type is H2129         */130        boolean restartIdentityWhenTruncating;131        if (doResetSequence && type.equals(DatabaseType.H2)) {132            try {133                String h2Version = H2VersionUtils.getH2Version(connection);134                restartIdentityWhenTruncating = H2VersionUtils.isVersionGreaterOrEqual(h2Version, H2VersionUtils.H2_VERSION_2_0_0);135            } catch (SQLException ex) {136                throw new RuntimeException("Unexpected SQL exception while getting H2 version", ex);137            }138        } else {139            restartIdentityWhenTruncating = false;140        }141        clearDatabase(getDefaultRetries(type), connection, getSchemaName(schemaName, type), tableToSkip, tableToClean, type, false, doResetSequence, restartIdentityWhenTruncating);142    }143    public static void dropDatabaseTables(Connection connection, String schemaName, List<String> tablesToSkip, DatabaseType type) {144        if (type != DatabaseType.MYSQL && type != DatabaseType.MARIADB)145            throw new IllegalArgumentException("Dropping tables are not supported by " + type);146        clearDatabase(getDefaultRetries(type), connection, getSchemaName(schemaName, type), tablesToSkip, null, type, true, true, false);147    }148    public static void clearDatabase_Postgres(Connection connection, String schemaName, List<String> tablesToSkip) {...

Source:H2ConstraintExtractor.java

1package org.evomaster.client.java.controller.internal.db.constraint;2import org.evomaster.client.java.controller.api.dto.database.schema.DbSchemaDto;3import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;4import org.evomaster.client.java.controller.db.h2.H2VersionUtils;5import org.evomaster.client.java.utils.SimpleLogger;6import java.sql.Connection;7import java.sql.ResultSet;8import java.sql.SQLException;9import java.sql.Statement;10import java.util.ArrayList;11import java.util.Arrays;12import java.util.List;13import java.util.stream.Collectors;14public class H2ConstraintExtractor extends TableConstraintExtractor {15    private static final String CONSTRAINT_TYPE = "CONSTRAINT_TYPE";16    private static final String CHECK_EXPRESSION = "CHECK_EXPRESSION";17    private static final String COLUMN_LIST = "COLUMN_LIST";18    private static final String UNIQUE = "UNIQUE";19    private static final String REFERENTIAL = "REFERENTIAL";20    private static final String PRIMARY_KEY = "PRIMARY_KEY";21    private static final String PRIMARY_KEY_BLANK = "PRIMARY KEY";22    private static final String CHECK = "CHECK";23    private static final String CHECK_CONSTRAINT = "CHECK_CONSTRAINT";24    private static final String CONSTRAINT_CATALOG = "CONSTRAINT_CATALOG";25    private static final String COLUMN_NAME = "COLUMN_NAME";26    private static final String CONSTRAINT_SCHEMA = "CONSTRAINT_SCHEMA";27    private static final String CONSTRAINT_NAME = "CONSTRAINT_NAME";28    /**29     * Expects the schema explained in30     * http://www.h2database.com/html/systemtables.html#information_schema31     *32     * @param connectionToH2 a connection to a H2 database33     * @param schemaDto      a DTO schema with retrieved information from the JBDC metadata34     * @throws SQLException if the connection to the H2 database fails35     */36    public List<DbTableConstraint> extract(Connection connectionToH2, DbSchemaDto schemaDto) throws SQLException {37        final String h2DatabaseVersion = H2VersionUtils.getH2Version(connectionToH2);38        List<DbTableConstraint> columnConstraints = extractColumnConstraints(connectionToH2, schemaDto, h2DatabaseVersion);39        List<DbTableConstraint> tableCheckExpressions = extractTableConstraints(connectionToH2, schemaDto, h2DatabaseVersion);40        List<DbTableConstraint> allConstraints = new ArrayList<>();41        allConstraints.addAll(columnConstraints);42        allConstraints.addAll(tableCheckExpressions);43        return allConstraints;44    }45    /**46     * Logs that a constraint could not be handled by the extractor.47     *48     * @param constraintType the type of SQL constraint49     */50    private static void cannotHandle(String constraintType) {51        SimpleLogger.uniqueWarn("WARNING, EvoMaster cannot extract H2 constraints with type '" + constraintType);52    }53    private List<DbTableConstraint> extractColumnConstraints(Connection connectionToH2, DbSchemaDto schemaDto, String h2DatabaseVersion) throws SQLException {54        if (H2VersionUtils.isVersionGreaterOrEqual(h2DatabaseVersion, H2VersionUtils.H2_VERSION_2_0_0)) {55            return new ArrayList<>();56        } else {57            return extractColumnConstraintsVersion1OrLower(connectionToH2, schemaDto, h2DatabaseVersion);58        }59    }60    private List<DbTableConstraint> extractTableConstraints(Connection connectionToH2, DbSchemaDto schemaDto, String h2DatabaseVersion) throws SQLException {61        if (H2VersionUtils.isVersionGreaterOrEqual(h2DatabaseVersion, H2VersionUtils.H2_VERSION_2_0_0)) {62            return extractTableConstraintsVersionTwoOrHigher(connectionToH2, schemaDto);63        } else {64            return extractTableConstraintsVersionOneOrLower(connectionToH2, schemaDto);65        }66    }67    /**68     * For each table in the schema DTO, this method appends69     * the constraints that are originated in the ALTER TABLE commands70     * for those particular tables.71     * <p>72     * Foreign keys are handled separately in the JDBC metadata73     *74     * @param connectionToH2 a connection to a H2 database75     * @param schemaDto      DTO with database schema information76     * @throws SQLException if the connection to the H2 database fails77     */78    private List<DbTableConstraint> extractTableConstraintsVersionTwoOrHigher(Connection connectionToH2,79                                                                              DbSchemaDto schemaDto) throws SQLException {80        List<DbTableConstraint> tableCheckExpressions = new ArrayList<>();81        String tableSchema = schemaDto.name;82        for (TableDto tableDto : schemaDto.tables) {83            String tableName = tableDto.name;84            try (Statement statement = connectionToH2.createStatement()) {85                final String query = String.format("Select CONSTRAINT_CATALOG,CONSTRAINT_SCHEMA,CONSTRAINT_NAME,CONSTRAINT_TYPE From INFORMATION_SCHEMA.TABLE_CONSTRAINTS\n" +86                        " where TABLE_CONSTRAINTS.TABLE_SCHEMA='%s' \n"87                        + " and TABLE_CONSTRAINTS.TABLE_NAME='%s' ", tableSchema, tableName);88                try (ResultSet constraints = statement.executeQuery(query)) {89                    while (constraints.next()) {90                        String constraintCatalog = constraints.getString(CONSTRAINT_CATALOG);91                        String constraintSchema = constraints.getString(CONSTRAINT_SCHEMA);92                        String constraintName = constraints.getString(CONSTRAINT_NAME);93                        String constraintType = constraints.getString(CONSTRAINT_TYPE);94                        switch (constraintType) {95                            case UNIQUE: {96                                DbTableUniqueConstraint constraint = getTableUniqueConstraint(connectionToH2, tableName,97                                        constraintCatalog, constraintSchema, constraintName);98                                tableCheckExpressions.add(constraint);99                                break;100                            }101                            case CHECK: {102                                DbTableCheckExpression constraint = getTableCheckExpression(connectionToH2, tableName, constraintCatalog, constraintSchema, constraintName);103                                tableCheckExpressions.add(constraint);104                                break;105                            }106                            case PRIMARY_KEY:107                            case PRIMARY_KEY_BLANK:108                            case REFERENTIAL:109                                /*110                                 * This type of constraint is already handled by111                                 * JDBC Metadata112                                 **/113                                break;114                            default:115                                cannotHandle(constraintType);116                        }117                    }118                }119            }120        }121        return tableCheckExpressions;122    }123    private DbTableUniqueConstraint getTableUniqueConstraint(Connection connectionToH2,124                                                             String tableName,125                                                             String constraintCatalog,126                                                             String constraintSchema,127                                                             String constraintName) throws SQLException {128        try (Statement columnsUsageStatement = connectionToH2.createStatement()) {129            String columnsUsageQuery = String.format("SELECT TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE "130                            + "WHERE CONSTRAINT_CATALOG='%s' AND CONSTRAINT_SCHEMA='%s' AND CONSTRAINT_NAME='%s' ",131                    constraintCatalog, constraintSchema, constraintName);132            try (ResultSet columnsUsageResultSet = columnsUsageStatement.executeQuery(columnsUsageQuery)) {133                List<String> uniqueColumnNames = new ArrayList<>();134                while (columnsUsageResultSet.next()) {135                    String columnName = columnsUsageResultSet.getString(COLUMN_NAME);136                    uniqueColumnNames.add(columnName);137                }138                return new DbTableUniqueConstraint(tableName, uniqueColumnNames);139            }140        }141    }142    private DbTableCheckExpression getTableCheckExpression(Connection connectionToH2,143                                                           String tableName,144                                                           String constraintCatalog,145                                                           String constraintSchema,146                                                           String constraintName) throws SQLException {147        try (Statement checkClauseStatement = connectionToH2.createStatement()) {148            String checkClauseQuery = String.format("SELECT CHECK_CLAUSE FROM INFORMATION_SCHEMA.CHECK_CONSTRAINTS "149                            + "WHERE CONSTRAINT_CATALOG='%s' AND CONSTRAINT_SCHEMA='%s' AND CONSTRAINT_NAME='%s' ",150                    constraintCatalog, constraintSchema, constraintName);151            try (ResultSet checkClauseResultSet = checkClauseStatement.executeQuery(checkClauseQuery)) {152                if (checkClauseResultSet.next()) {153                    String sqlCheckExpression = checkClauseResultSet.getString("CHECK_CLAUSE");154                    return new DbTableCheckExpression(tableName, "(" + sqlCheckExpression + ")");155                } else {156                    throw new IllegalArgumentException(String.format("Cannot find constraint such that CONSTRAINT_CATALOG='%s' AND CONSTRAINT_SCHEMA='%s' AND CONSTRAINT_NAME='%s' ", constraintCatalog, constraintSchema, constraintName));157                }158            }159        }160    }161    /**162     * Extracts DbTableConstraints for version 0.xxx and 1.xxx163     *164     * @param connectionToH2 the connection to the H2 database165     * @param schemaDto      the schema166     * @return the list of constraints in the table167     * @throws SQLException an unexpected exception while executing the queries168     */169    private List<DbTableConstraint> extractTableConstraintsVersionOneOrLower(Connection connectionToH2, DbSchemaDto schemaDto) throws SQLException {170        List<DbTableConstraint> tableCheckExpressions = new ArrayList<>();171        String tableSchema = schemaDto.name;172        for (TableDto tableDto : schemaDto.tables) {173            String tableName = tableDto.name;174            try (Statement statement = connectionToH2.createStatement()) {175                final String query = String.format("Select CONSTRAINT_TYPE, CHECK_EXPRESSION, COLUMN_LIST From INFORMATION_SCHEMA.CONSTRAINTS\n" +176                        " where CONSTRAINTS.TABLE_SCHEMA='%s' \n"177                        + " and CONSTRAINTS.TABLE_NAME='%s' ", tableSchema, tableName);178                try (ResultSet constraints = statement.executeQuery(query)) {179                    while (constraints.next()) {180                        String constraintType = constraints.getString(CONSTRAINT_TYPE);181                        DbTableConstraint constraint;182                        switch (constraintType) {183                            case UNIQUE: {184                                String columnList = constraints.getString(COLUMN_LIST);185                                List<String> uniqueColumnNames = Arrays.stream(columnList.split(",")).map(String::trim).collect(Collectors.toList());186                                constraint = new DbTableUniqueConstraint(tableName, uniqueColumnNames);187                                tableCheckExpressions.add(constraint);188                                break;189                            }190                            case PRIMARY_KEY:191                            case PRIMARY_KEY_BLANK:192                            case REFERENTIAL:193                                /*194                                 * This type of constraint is already handled by195                                 * JDBC Metadata196                                 **/197                                break;198                            case CHECK:199                                String sqlCheckExpression = constraints.getString(CHECK_EXPRESSION);200                                constraint = new DbTableCheckExpression(tableName, sqlCheckExpression);201                                tableCheckExpressions.add(constraint);202                                break;203                            default:204                                cannotHandle(constraintType);205                        }206                    }207                }208            }209        }210        return tableCheckExpressions;211    }212    /**213     * For each table in the schema DTO, this method appends214     * the constraints that are originated in the CREATE TABLE commands215     * for those particular tables.216     * <p>217     * Unique constraints and Foreign keys are handled separately in the JDBC metadata218     *219     * @param connectionToH2 a connection to a H2 database220     * @param schemaDto      DTO with database schema information221     * @throws SQLException if the connection to the database fails222     */223    private List<DbTableConstraint> extractColumnConstraintsVersion1OrLower(Connection connectionToH2, DbSchemaDto schemaDto, String h2DatabaseVersion) throws SQLException {224        if (H2VersionUtils.isVersionGreaterOrEqual(h2DatabaseVersion, H2VersionUtils.H2_VERSION_2_0_0)) {225            throw new IllegalArgumentException("Cannot extract column constraints for H2 version 2 or higher with H2 database version  " + h2DatabaseVersion);226        }227        String tableSchema = schemaDto.name;228        List<DbTableConstraint> columnConstraints = new ArrayList<>();229        for (TableDto tableDto : schemaDto.tables) {230            String tableName = tableDto.name;231            try (Statement statement = connectionToH2.createStatement()) {232                final String query = String.format("Select * From INFORMATION_SCHEMA.COLUMNS where COLUMNS.TABLE_SCHEMA='%s' and COLUMNS.TABLE_NAME='%s' ", tableSchema, tableName);233                try (ResultSet columns = statement.executeQuery(query)) {234                    while (columns.next()) {235                        String sqlCheckExpression = columns.getString(CHECK_CONSTRAINT);236                        if (sqlCheckExpression != null && !sqlCheckExpression.equals("")) {237                            DbTableCheckExpression constraint = new DbTableCheckExpression(tableName, sqlCheckExpression);238                            columnConstraints.add(constraint);...

Source:H2VersionUtilsTest.java

1package org.evomaster.client.java.controller.db.h2;2import org.junit.jupiter.api.Test;3import static org.junit.jupiter.api.Assertions.assertFalse;4import static org.junit.jupiter.api.Assertions.assertTrue;5public class H2VersionUtilsTest {6    @Test7    public void testEqual() {8        assertTrue(H2VersionUtils.isVersionGreaterOrEqual("1.4.193","1.4.193"));9    }10    @Test11    public void testLess() {12        assertTrue(H2VersionUtils.isVersionGreaterOrEqual("1.4.200","1.4.193"));13    }14    @Test15    public void testLessVersion2() {16        assertTrue(H2VersionUtils.isVersionGreaterOrEqual("2.1.214","1.3.193"));17    }18    @Test19    public void testGreater() {20        assertFalse(H2VersionUtils.isVersionGreaterOrEqual("1.4.193","1.4.199"));21    }22}...

H2VersionUtils

Using AI Code Generation

1package org.evomaster.client.java.controller.db.h2;2import org.evomaster.client.java.controller.db.DbActionBuilder;3import org.evomaster.client.java.controller.db.DbActionTransformer;4import org.evomaster.client.java.controller.db.DbAction;5import org.evomaster.client.java.controller.db.SqlScriptRunner;6import org.evomaster.client.java.controller.db.Table;7import org.evomaster.client.java.controller.db.TableRow;8import org.evomaster.client.java.controller.db.h2.H2Controller;9import org.evomaster.client.java.controller.db.h2.H2VersionUtils;10import org.evomaster.client.java.controller.problem.ProblemInfo;11import org.evomaster.client.java.controller.problem.RestProblem;12import org.evomaster.client.java.controller.problem.RestResourceCalls;13import org.evomaster.client.java.controller.problem.RestResourceInfo;14import org.evomaster.client.java.controller.problem.rest.*;15import org.evomaster.client.java.controller.problem.rest.param.BodyParam;16import org.evomaster.client.java.controller.problem.rest.param.HeaderParam;17import org.evomaster.client.java.controller.problem.rest.param.PathParam;18import org.evomaster.client.java.controller.problem.rest.param.QueryParam;19import org.evomaster.client.java.controller.problem.rest.resource.RestResource;20import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;21import org.evomaster.client.java.controller.problem.rest.resource.RestResourceCalls;22import org.evomaster.client.java.controller.problem.rest.resource.RestResourceDep;23import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;24import org.evomaster.client.java.controller.problem.rest.resource.RestResourceCalls;25import org.evomaster.client.java.controller.problem.rest.resource.RestResourceDep;26import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;27import org.evomaster.client.java.controller.problem.rest.resource.RestResourceCalls;28import org.evomaster.client.java.controller.problem.rest.resource.RestResourceDep;29import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;30import org.evomaster.client.java.controller.problem.rest.resource.RestResourceCalls;31import org.evomaster.client.java.controller.problem.rest.resource.RestResourceDep;32import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;33import org.evomaster.client.java.controller.problem.rest.resource.RestResourceCalls;34import org.evomaster.client.java.controller.problem.rest.resource.RestResourceDep;35import org.evomaster.client.java.controller.problem.rest.resource.RestResourceNode;36import org.evomaster.client.java.controller.problem

H2VersionUtils

Using AI Code Generation

1package org.evomaster.client.java.controller.db.h2;2import java.sql.Connection;3import java.sql.DriverManager;4import java.sql.SQLException;5public class H2VersionUtils {6    public static void main(String[] args) throws SQLException {7        Connection connection = DriverManager.getConnection("jdbc:h2:mem:test;DB_CLOSE_DELAY=-1", "sa", "");8        H2VersionUtils.printVersion(connection);9    }10    public static void printVersion(Connection connection) throws SQLException {11        System.out.println("H2 version: " + H2VersionUtils.getVersion(connection));12    }13    public static String getVersion(Connection connection) throws SQLException {14        return connection.getMetaData().getDatabaseProductVersion();15    }16}17package org.evomaster.client.java.controller.db.h2;18import java.sql.Connection;19import java.sql.DriverManager;20import java.sql.SQLException;21public class H2VersionUtils {22    public static void main(String[] args) throws SQLException {23        Connection connection = DriverManager.getConnection("jdbc:h2:mem:test;DB_CLOSE_DELAY=-1", "sa", "");24        H2VersionUtils.printVersion(connection);25    }26    public static void printVersion(Connection connection) throws SQLException {27        System.out.println("H2 version: " + H2VersionUtils.getVersion(connection));28    }29    public static String getVersion(Connection connection) throws SQLException {30        return connection.getMetaData().getDatabaseProductVersion();31    }32}33package org.evomaster.client.java.controller.db.h2;34import java.sql.Connection;35import java.sql.DriverManager;36import java.sql.SQLException;37public class H2VersionUtils {38    public static void main(String[] args) throws SQLException {39        Connection connection = DriverManager.getConnection("jdbc:h2:mem:test;DB_CLOSE_DELAY=-1", "sa", "");40        H2VersionUtils.printVersion(connection);41    }42    public static void printVersion(Connection connection) throws SQLException {43        System.out.println("H2 version: " + H2VersionUtils.getVersion(connection));44    }45    public static String getVersion(Connection connection) throws SQLException {46        return connection.getMetaData().getDatabaseProductVersion();47    }48}

H2VersionUtils

Using AI Code Generation

1import org.evomaster.client.java.controller.db.h2.H2VersionUtils;2import org.h2.Driver;3import org.hibernate.dialect.H2Dialect;4import org.hibernate.dialect.H2Dialect;5import org.hibernate.dialect.H2Dialect;6public class 3 {7    public static void main(String[] args) {8        H2VersionUtils.getVersion();9        Driver driver = new Driver();10        H2Dialect dialect = new H2Dialect();11        H2Dialect dialect = new H2Dialect();12        H2Dialect dialect = new H2Dialect();13    }14}15import org.evomaster.client.java.controller.db.h2.H2VersionUtils;16import org.h2.Driver;17import org.hibernate.dialect.H2Dialect;18import org.hibernate.dialect.H2Dialect;19import org.hibernate.dialect.H2Dialect;20public class 4 {21    public static void main(String[] args) {22        H2VersionUtils.getVersion();23        Driver driver = new Driver();

H2VersionUtils

Using AI Code Generation

1import org.evomaster.client.java.controller.db.h2.H2VersionUtils;2import java.sql.Connection;3import java.sql.DriverManager;4import java.sql.SQLException;5import java.sql.Statement;6import java.util.List;7import java.util.stream.Collectors;8public class 3 {9    public static void main(String[] args) throws SQLException {10        String url = "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1";11        Connection conn = DriverManager.getConnection(url);12        Statement stmt = conn.createStatement();13        stmt.execute("CREATE TABLE IF NOT EXISTS test (id int, name varchar(100))");14        stmt.execute("INSERT INTO test VALUES (1, 'one')");15        stmt.execute("INSERT INTO test VALUES (2, 'two')");16        stmt.execute("INSERT INTO test VALUES (3, 'three')");17        List<String> versions = H2VersionUtils.getVersions(conn);18        System.out.println(versions.stream().collect(Collectors.joining(", ")));19    }20}21import org.evomaster.client.java.controller.db.h2.H2VersionUtils;22import org.junit.jupiter.api.Test;23import java.sql.Connection;24import java.sql.DriverManager;25import java.sql.SQLException;26import java.sql.Statement;27import static org.junit.jupiter.api.Assertions.assertTrue;28public class H2VersionUtilsTest {29    public void testGetVersions() throws SQLException {30        String url = "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1";31        Connection conn = DriverManager.getConnection(url);32        Statement stmt = conn.createStatement();33        stmt.execute("CREATE TABLE IF NOT EXISTS test (id int, name varchar(100))");34        stmt.execute("INSERT INTO test VALUES (1, 'one')");35        stmt.execute("INSERT INTO test VALUES (2, 'two')");36        stmt.execute("INSERT INTO test VALUES (3, 'three')");37        List<String> versions = H2VersionUtils.getVersions(conn);38        assertTrue(versions.contains("1.4.200"));39    }40}41You can also use the H2VersionUtils class to check if the H2 database supports a specific feature. For example, you can check if the H2 database supports the function ROW_NUMBER() as follows:42import

H2VersionUtils

Using AI Code Generation

1package org.evomaster.client.java.controller.db.h2;2import org.evomaster.client.java.controller.db.h2.H2VersionUtils;3public class H2Version {4    public static void main(String[] args) {5        System.out.println("H2 version: " + H2VersionUtils.getH2Version());6    }7}8package org.evomaster.client.java.controller.db.h2;9import org.evomaster.client.java.controller.db.h2.H2VersionUtils;10public class H2Version {11    public static void main(String[] args) {12        System.out.println("H2 version: " + H2VersionUtils.getH2Version());13    }14}15package org.evomaster.client.java.controller.db.h2;16import org.evomaster.client.java.controller.db.h2.H2VersionUtils;17public class H2Version {18    public static void main(String[] args) {19        System.out.println("H2 version: " + H2VersionUtils.getH2Version());20    }21}22package org.evomaster.client.java.controller.db.h2;23import org.evomaster.client.java.controller.db.h2.H2VersionUtils;24public class H2Version {25    public static void main(String[] args) {26        System.out.println("H2 version: " + H2VersionUtils.getH2Version());27    }28}29package org.evomaster.client.java.controller.db.h2;30import org.evomaster.client.java.controller.db.h2.H2VersionUtils;31public class H2Version {32    public static void main(String[] args) {33        System.out.println("H2 version: " + H2VersionUtils.getH2Version());34    }35}

H2VersionUtils

Using AI Code Generation

1import org.evomaster.client.java.controller.db.h2.H2VersionUtils;2public class Main {3    public static void main(String[] args) {4        System.out.println("H2 version: " + H2VersionUtils.getH2Version());5    }6}7import org.evomaster.client.java.controller.db.h2.H2Driver;8import java.sql.Connection;9import java.sql.DriverManager;10import java.sql.SQLException;11public class Main {12    public static void main(String[] args) throws SQLException {13        Connection connection = DriverManager.getConnection("jdbc:h2:mem:test;DB_CLOSE_DELAY=-1");14        System.out.println("H2 version: " + H2Driver

H2VersionUtils

Using AI Code Generation

1public class 3 {2	public static void main(String[] args) throws Exception {3		String version = H2VersionUtils.getH2Version();4		System.out.println("Version: " + version);5	}6}

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