How to use setSchema method of org.evomaster.client.java.controller.internal.db.SqlNameContext class

Best EvoMaster code snippet using org.evomaster.client.java.controller.internal.db.SqlNameContext.setSchema

Source:HeuristicsCalculator.java

...42            return 0;43        }44        SqlNameContext context = new SqlNameContext(stmt);45        if(schema != null){46            context.setSchema(schema);47        }48        HeuristicsCalculator calculator = new HeuristicsCalculator(context);49        double min = Double.MAX_VALUE;50        for (DataRow row : data.seeRows()) {51            double dist = calculator.computeExpression(where, row);52            if (dist == 0) {53                return 0;54            }55            if (dist < min) {56                min = dist;57            }58        }59        return min;60    }...

Source:SqlHandler.java

...77    }78    public void setConnection(Connection connection) {79        this.connection = connection;80    }81    public void setSchema(DbSchemaDto schema) {82        this.schema = schema;83    }84    /**85     * handle executed sql info86     * @param sql to be handled87     */88    public void handle(SqlInfo sql) {89        executedInfo.add(new SqlExecutionLogDto(sql.getCommand(), sql.getExecutionTime()));90        handle(sql.getCommand());91    }92    public void handle(String sql) {93        Objects.requireNonNull(sql);94        if(!calculateHeuristics && !extractSqlExecution){95            return;96        }97        numberOfSqlCommands++;98        if(! ParserUtils.canParseSqlStatement(sql)){99            SimpleLogger.warn("Cannot handle SQL statement: " + sql);100            return;101        }102        buffer.add(sql);103        if (isSelect(sql)) {104            mergeNewData(queriedData, ColumnTableAnalyzer.getSelectReadDataFields(sql));105        } else if(isDelete(sql)){106            deletedData.addAll(ColumnTableAnalyzer.getDeletedTables(sql));107        } else if(isInsert(sql)){108            mergeNewData(insertedData, ColumnTableAnalyzer.getInsertedDataFields(sql));109        } else if(isUpdate(sql)){110            mergeNewData(updatedData, ColumnTableAnalyzer.getUpdatedDataFields(sql));111        }112    }113    public ExecutionDto getExecutionDto() {114        if(!calculateHeuristics && !extractSqlExecution){115            return null;116        }117        ExecutionDto executionDto = new ExecutionDto();118        executionDto.queriedData.putAll(queriedData);119        executionDto.failedWhere.putAll(failedWhere);120        executionDto.insertedData.putAll(insertedData);121        executionDto.updatedData.putAll(updatedData);122        executionDto.deletedData.addAll(deletedData);123        executionDto.numberOfSqlCommands = this.numberOfSqlCommands;124        executionDto.sqlExecutionLogDtoList.addAll(executedInfo);125        return executionDto;126    }127    /**128     * compute (SELECT, DELETE and UPDATE) sql distance for sql commands which exists in [buffer]129     *      Note that we skip `SELECT 1` (typically for testing sql connection) since its distance is 0130     * @return a list of heuristics for sql commands131     */132    public List<PairCommandDistance> getDistances() {133        if (connection == null || !calculateHeuristics) {134            return distances;135        }136        buffer.stream()137                .forEach(sql -> {138                    if (!isSelectOne(sql) && (isSelect(sql) || isDelete(sql) || isUpdate(sql))) {139                        double dist;140                        try {141                             dist = computeDistance(sql);142                        }catch (Exception e){143                            SimpleLogger.error("FAILED TO COMPUTE HEURISTICS FOR SQL: " + sql);144                            //assert false; //TODO put back once we update JSqlParser145                            return;146                        }147                        distances.add(new PairCommandDistance(sql, dist));148                    }149                });150        //side effects on buffer is not important, as it is just a cache151        buffer.clear();152        return distances;153    }154    private Double computeDistance(String command) {155        if (connection == null) {156            throw new IllegalStateException("Trying to calculate SQL distance with no DB connection");157        }158        Statement statement;159        try {160            statement = CCJSqlParserUtil.parse(command);161        } catch (Exception e) {162            SimpleLogger.uniqueWarn("Cannot handle command: " + command + "\n" + e.toString());163            return Double.MAX_VALUE;164        }165        Map<String, Set<String>> columns = extractColumnsInvolvedInWhere(statement);166        /*167            even if columns.isEmpty(), we need to check if any data was present168         */169        double dist;170        if(columns.isEmpty()){171            //TODO check if table(s) not empty, and give >0 otherwise172            dist = 0;173        } else {174            dist = getDistanceForWhere(command, columns);175        }176        if (dist > 0) {177            mergeNewData(failedWhere, columns);178        }179        return dist;180    }181    private double getDistanceForWhere(String command, Map<String, Set<String>> columns) {182        String select;183        /*184           TODO:185           this might be likely unnecessary... we are only interested in the variables used186           in the WHERE. Furthermore, this would not support DELETE/INSERT/UPDATE.187           So, we just need to create a new SELECT based on that.188           But SELECT could be complex with many JOINs... whereas DIP would be simple(r)?189           TODO: we need a general solution190         */191        if(isSelect(command)) {192            select = SelectTransformer.addFieldsToSelect(command);193            select = SelectTransformer.removeConstraints(select);194            select = SelectTransformer.removeOperations(select);195        } else {196            if(columns.size() > 1){197                SimpleLogger.uniqueWarn("Cannot analyze: " + command);198            }199            Map.Entry<String, Set<String>> mapping = columns.entrySet().iterator().next();200            select = createSelectForSingleTable(mapping.getKey(), mapping.getValue());201        }202        QueryResult data;203        try {204            data = SqlScriptRunner.execCommand(connection, select);205        } catch (SQLException e) {206            throw new RuntimeException(e);207        }208        return HeuristicsCalculator.computeDistance(command, data);209    }210    private String createSelectForSingleTable(String tableName, Set<String> columns){211        StringBuilder buffer = new StringBuilder();212        buffer.append("SELECT ");213        String variables = columns.stream().collect(Collectors.joining(", "));214        buffer.append(variables);215        buffer.append(" FROM ");216        buffer.append(tableName);217        return buffer.toString();218    }219    /**220     *  Check the fields involved in the WHERE clause (if any).221     *  Return a map from table name to column names of the involved fields.222     */223    public Map<String, Set<String>> extractColumnsInvolvedInWhere(Statement statement) {224        /*225           TODO226           following does not handle the case of sub-selects involving other227           tables... but likely that is not something we need to support right now228         */229        Map<String, Set<String>> data = new HashMap<>();230        // move getWhere before SqlNameContext, otherwise null where would cause exception in new SqlNameContext231        Expression where = ParserUtils.getWhere(statement);232        if (where == null) {233            return data;234        }235        SqlNameContext context = new SqlNameContext(statement);236        if(schema != null) {237            context.setSchema(schema);238        }239        ExpressionVisitor visitor = new ExpressionVisitorAdapter() {240            @Override241            public void visit(Column column) {242                String tn = context.getTableName(column);243                if(tn.equalsIgnoreCase(SqlNameContext.UNNAMED_TABLE)){244                    // TODO handle it properly when ll have support for sub-selects245                    return;246                }247                String cn = column.getColumnName().toLowerCase();248                if(! context.hasColumn(tn, cn)) {249                    /*250                        This is an issue with the JsqlParser library. Until we upgrade it, or fix it if not fixed yet,251                        we use this workaround....

setSchema

Using AI Code Generation

1package org.evomaster.client.java.controller.internal.db;2import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;3import org.evomaster.client.java.controller.api.dto.database.schema.SchemaDto;4import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;5import org.evomaster.client.java.controller.internal.db.schema.SqlSchema;6import org.evomaster.client.java.controller.internal.db.schema.SqlTable;7import java.util.List;8import java.util.stream.Collectors;9public class SqlNameContext {10    private SqlSchema schema;11    private String databaseName;12    public SqlNameContext(SchemaDto schemaDto) {13        this.databaseName = schemaDto.getDatabaseName();14        this.schema = new SqlSchema(schemaDto.getName());15        for (TableDto table : schemaDto.getTables()) {16            this.schema.addTable(new SqlTable(table.getName()));17        }18    }19    public SqlSchema getSchema() {20        return schema;21    }22    public String getDatabaseName() {23        return databaseName;24    }25    public void setSchema(SchemaDto schemaDto) {26        this.databaseName = schemaDto.getDatabaseName();27        this.schema = new SqlSchema(schemaDto.getName());28        for (TableDto table : schemaDto.getTables()) {29            this.schema.addTable(new SqlTable(table.getName()));30        }31    }32    public List<String> getTableNames() {33        return schema.getTables().stream()34                .map(SqlTable::getName)35                .collect(Collectors.toList());36    }37    public String getTableAlias(String tableName) {38        return schema.getTable(tableName).getAlias();39    }40    public void setTableAlias(String tableName, String alias) {41        schema.getTable(tableName).setAlias(alias);42    }43    public DatabaseType getDatabaseType() {44        return DatabaseType.MYSQL;45    }46}47package org.evomaster.client.java.controller.internal.db;48import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;49import org.evomaster.client.java.controller.api.dto.database.schema.SchemaDto;50import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;51import org.evomaster.client.java.controller.internal.db.schema.SqlSchema;52import org.evomaster.client.java.controller.internal.db.schema.SqlTable;53import java.util.List;54import java.util.stream.Collectors;55public class SqlNameContext {

setSchema

Using AI Code Generation

1package org.evomaster.client.java.controller.internal.db;2import org.evomaster.client.java.controller.db.SqlScriptRunner;3import org.junit.jupiter.api.AfterEach;4import org.junit.jupiter.api.BeforeEach;5import org.junit.jupiter.api.Test;6import java.sql.Connection;7import java.sql.DriverManager;8import java.sql.SQLException;9import static org.junit.jupiter.api.Assertions.assertEquals;10import static org.junit.jupiter.api.Assertions.assertTrue;11public class SqlNameContextIT {12    private Connection connection;13    public void init() throws SQLException, ClassNotFoundException {14        Class.forName("org.h2.Driver");15        connection = DriverManager.getConnection("jdbc:h2:mem:test;DB_CLOSE_DELAY=-1");16    }17    public void tearDown() throws SQLException {18        connection.close();19    }20    public void testGetSchema() throws SQLException {21        SqlScriptRunner.run(connection, "CREATE SCHEMA IF NOT EXISTS test_schema;");22        SqlNameContext context = new SqlNameContext(connection);23        assertEquals("test_schema", context.getSchema());24    }25    public void testGetCatalog() throws SQLException {26        SqlScriptRunner.run(connection, "CREATE CATALOG IF NOT EXISTS test_catalog;");27        SqlNameContext context = new SqlNameContext(connection);28        assertEquals("test_catalog", context.getCatalog());29    }30    public void testSetSchema() throws SQLException {31        SqlScriptRunner.run(connection, "CREATE SCHEMA IF NOT EXISTS test_schema;");32        SqlNameContext context = new SqlNameContext(connection);33        context.setSchema("test_schema");34        assertEquals("test_schema", context.getSchema());35    }36    public void testSetCatalog() throws SQLException {37        SqlScriptRunner.run(connection, "CREATE CATALOG IF NOT EXISTS test_catalog;");38        SqlNameContext context = new SqlNameContext(connection);39        context.setCatalog("test_catalog");40        assertEquals("test_catalog", context.getCatalog());41    }42    public void testSetSchemaAndCatalog() throws SQLException {43        SqlScriptRunner.run(connection, "CREATE SCHEMA IF NOT EXISTS test_schema;");44        SqlScriptRunner.run(connection, "CREATE CATALOG IF NOT EXISTS test_catalog;");45        SqlNameContext context = new SqlNameContext(connection);46        context.setSchema("test_schema");47        context.setCatalog("test_catalog");48        assertEquals("test_schema", context.getSchema());49        assertEquals("test_catalog", context.getCatalog());50    }

setSchema

Using AI Code Generation

1package com.foo;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.internal.db.SqlNameContext;5public class Test {6    public static void main(String[] args) {7        DbSchemaDto dbSchemaDto = new DbSchemaDto();8        TableDto tableDto = new TableDto();9        tableDto.setTableName("table1");10        dbSchemaDto.getTables().add(tableDto);11        SqlNameContext sqlNameContext = new SqlNameContext();12        sqlNameContext.setSchema(dbSchemaDto);13    }14}15package com.foo;16import org.evomaster.client.java.controller.api.dto.database.schema.DbSchemaDto;17import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;18import org.evomaster.client.java.controller.internal.db.SqlNameContext;19public class Test {20    public static void main(String[] args) {21        DbSchemaDto dbSchemaDto = new DbSchemaDto();22        TableDto tableDto = new TableDto();23        tableDto.setTableName("table1");24        dbSchemaDto.getTables().add(tableDto);25        SqlNameContext sqlNameContext = new SqlNameContext();26        sqlNameContext.setSchema(dbSchemaDto);27    }28}29package com.foo;30import org.evomaster.client.java.controller.api.dto.database.schema.DbSchemaDto;31import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;32import org.evomaster.client.java.controller.internal.db.SqlNameContext;33public class Test {34    public static void main(String[] args) {35        DbSchemaDto dbSchemaDto = new DbSchemaDto();36        TableDto tableDto = new TableDto();37        tableDto.setTableName("table1");38        dbSchemaDto.getTables().add(tableDto);39        SqlNameContext sqlNameContext = new SqlNameContext();40        sqlNameContext.setSchema(dbSchemaDto);41    }42}43package com.foo;44import org.evomaster.client.java.controller.api.dto.database

setSchema

Using AI Code Generation

1package org.evomaster.client.java.controller.internal.db;2import java.sql.Connection;3import java.sql.SQLException;4import java.sql.Statement;5public class SqlNameContext {6    private String schema;7    public SqlNameContext(String schema) {8        this.schema = schema;9    }10    public void setSchema(Connection con) throws SQLException {11        try (Statement st = con.createStatement()) {12            st.execute("SET SCHEMA " + schema);13        }14    }15}16package org.evomaster.client.java.controller.internal.db;17import java.sql.Connection;18import java.sql.ResultSet;19import java.sql.SQLException;20import java.sql.Statement;21public class SqlScriptRunner {22    private final Connection connection;23    public SqlScriptRunner(Connection connection) {24        this.connection = connection;25    }26    public void run(String sql) throws SQLException {27        try (Statement st = connection.createStatement()) {28            st.execute(sql);29        }30    }31    public void run(String sql, SqlNameContext context) throws SQLException {32        context.setSchema(connection);33        run(sql);34    }35    public int count(String tableName, SqlNameContext context) throws SQLException {36        context.setSchema(connection);37        return count(tableName);38    }39    public int count(String tableName) throws SQLException {40        try (Statement st = connection.createStatement()) {41            ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM " + tableName);42            rs.next();43            return rs.getInt(1);44        }45    }46}47package org.evomaster.client.java.controller.internal.db;48import java.sql.Connection;49import java.sql.SQLException;50public class DbCleaner {51    private final Connection connection;52    public DbCleaner(Connection connection) {53        this.connection = connection;54    }55    public void clearDatabase(String schema) throws SQLException {56        SqlScriptRunner runner = new SqlScriptRunner(connection);57        SqlNameContext context = new SqlNameContext(schema);58        runner.run("DROP SCHEMA IF EXISTS " + schema + " CASCADE", context);59        runner.run("CREATE SCHEMA " + schema, context);60    }61}62package org.evomaster.client.java.controller.internal.db;63import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;64import org.evomaster.client.java.controller.db.DbCleaner;65import org.ev

setSchema

Using AI Code Generation

1package org.evomaster.client.java.controller.internal.db;2import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;3import java.util.ArrayList;4import java.util.List;5public class SqlNameContext {6    private final String schema;7    private final DatabaseType databaseType;8    public SqlNameContext(String schema, DatabaseType databaseType) {9        this.schema = schema;10        this.databaseType = databaseType;11    }12    public String getSchema() {13        return schema;14    }15    public DatabaseType getDatabaseType() {16        return databaseType;17    }18    public String toSqlName(String name) {19        if (schema == null) {20            return name;21        }22        return databaseType.toSqlName(schema, name);23    }24    public String toSqlName(String schema, String name) {25        if (this.schema == null) {26            return databaseType.toSqlName(schema, name);27        }28        return databaseType.toSqlName(this.schema, name);29    }30    public String toSqlSchema(String schema) {31        if (this.schema == null) {32            return schema;33        }34        return this.schema;35    }36    public List<String> toSqlNames(List<String> names) {37        List<String> sqlNames = new ArrayList<>();38        for (String name : names) {39            sqlNames.add(toSqlName(name));40        }41        return sqlNames;42    }43    public List<String> toSqlNames(String schema, List<String> names) {44        List<String> sqlNames = new ArrayList<>();45        for (String name : names) {46            sqlNames.add(toSqlName(schema, name));47        }48        return sqlNames;49    }50    public List<String> toSqlSchemas(List<String> schemas) {51        List<String> sqlSchemas = new ArrayList<>();52        for (String schema : schemas) {53            sqlSchemas.add(toSqlSchema(schema));54        }55        return sqlSchemas;56    }57}58package org.evomaster.client.java.controller.internal.db;59import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;60public class SqlNameContextBuilder {61    private String schema;62    private DatabaseType databaseType;63    public SqlNameContextBuilder setSchema(String schema) {64        this.schema = schema;65        return this;66    }

setSchema

Using AI Code Generation

1package org.evomaster.client.java.controller.examples;2import org.evomaster.client.java.controller.api.Controller;3import org.evomaster.client.java.controller.api.dto.SutInfoDto;4import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseCommandDto;5import org.evomaster.client.java.controller.api.dto.database.operations.SqlScriptDto;6import org.evomaster.client.java.controller.api.dto.database.schema.DbSchemaDto;7import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;8import org.evomaster.client.java.controller.api.dto.database.schema.TableIndexDto;9import org.evomaster.client.java.controller.api.dto.database.schema.TableIndexType;10import org.evomaster.client.java.controller.internal.db.SqlScriptRunner;11import org.evomaster.client.java.controller.internal.db.schema.SqlColumn;12import org.evomaster.client.java.controller.internal.db.schema.SqlSchemaExtractor;13import org.evomaster.client.java.controller.internal.db.schema.SqlTable;14import org.evomaster.client.java.controller.internal.db.schema.SqlUniqueIndex;15import org.evomaster.client.java.controller.internal.db.schema.SqlView;16import org.evomaster.client.java.controller.internal.db.schema.SqliteSchemaExtractor;17import org.evomaster.client.java.controller.internal.db.sql.SqlInsertBuilder;18import org.evomaster.client.java.controller.internal.db.sql.SqlSelectBuilder;19import org.evomaster.client.java.controller.internal.db.sql.SqlTableBuilder;20import org.evomaster.client.java.controller.internal.db.sql.SqlUpdateBuilder;21import org.evomaster.client.java.controller.internal.db.sql.schema.SqliteSchema;22import org.evomaster.client.java.controller.internal.db.sql.schema.SqliteTable;23import org.evomaster.client.java.controller.internal.db.sql.schema.SqliteUniqueIndex;24import org.evomaster.client.java.controller.internal.db.sql.schema.SqliteView;25import org.evomaster.client.java.controller.problem.ProblemInfo;26import org.evomaster.client.java.controller.problem.RestProblem;27import org.evomaster.client.java.controller.problem.RestResourceCalls;28import org.evomaster.client.java.controller.problem.rest.*;29import org.evomaster.client.java.controller.problem.rest.param.BodyParam;30import org.evomaster.client.java.controller.problem.rest.param.CookieParam;31import org.evomaster.client.java.controller.problem.rest.param.HeaderParam;32import org.evomaster.client.java.controller.problem.rest

setSchema

Using AI Code Generation

1public class Example {2    public static void main(String[] args) throws SQLException {3        SqlNameContext context = new SqlNameContext();4        context.setSchema("test");5        Statement statement = connection.createStatement();6        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");7    }8}9public class Example {10    public static void main(String[] args) throws SQLException {11        SqlNameContext context = new SqlNameContext();12        context.setSchema("test");13        Statement statement = connection.createStatement();14        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");15    }16}17public class Example {18    public static void main(String[] args) throws SQLException {19        SqlNameContext context = new SqlNameContext();20        context.setSchema("test");21        Statement statement = connection.createStatement();22        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");23    }24}25public class Example {26    public static void main(String[] args) throws SQLException {27        SqlNameContext context = new SqlNameContext();28        context.setSchema("test");29        Statement statement = connection.createStatement();30        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");31    }32}33public class Example {34    public static void main(String[] args) throws SQLException {35        SqlNameContext context = new SqlNameContext();36        context.setSchema("test");37        Statement statement = connection.createStatement();

setSchema

Using AI Code Generation

1public class Example {2    public static void main(String[] args) throws SQLException {3        SqlNameContext context = new SqlNameContext();4        context.setSchema("test");5        Statement statement = connection.createStatement();6        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");7    }8}9public class Example {10    public static void main(String[] args) throws SQLException {11        SqlNameContext context = new SqlNameContext();12        context.setSchema("test");13        Statement statement = connection.createStatement();14        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");15    }16}17public class Example {18    public static void main(String[] args) throws SQLException {19        SqlNameContext context = new SqlNameContext();20        context.setSchema("test");21        Statement statement = connection.createStatement();22        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");23    }24}25public class Example {26    public static void main(String[] args) throws SQLException {27        SqlNameContext context = new SqlNameContext();28        context.setSchema("test");29        Statement statement = connection.createStatement();30        ResultSet resultSet = statement.executeQuery("SELECT * FROM test");31    }32}33public class Example {34    public static void main(String[] args) throws SQLException {35        SqlNameContext context = new SqlNameContext();36        context.setSchema("test");

setSchema

Using AI Code Generation

1public class Example3 {2    public static void main(String[] args) {3        SqlNameContext.setSchema("public");4        Example3 example3 = new Example3();5        example3.test();6    }7        ic void test() {8            try (PreparedStatement preparedStatement = connection.prepareStatement("select * from \"EvoMasterTable\"")) {9                ResultSet resultSet = preparedStatement.executeQuery();10                while (resultSet.next()) {11                    String column1 = resultSet.getString("column1");12                    String column2 = resultSet.getString("column2");13                    String column3 = resultSet.getString("column3");14                    System.out.println(column1 + " " + column2 + " " + column3);15                }16            }17        } catch (SQLException e) {18            e.printStackTrace();19        }20    }21}22public class Example4 {23    public static void main(String[] args) {24        SqlNameContext.setSchema("public");25        Example4 example4 = new Example4();26        example4.test();27    }28    public void test() {29            try (PreparedStatement preparedStatement = connection.prepareStatement("select * from \"EvoMasterTable\"")) {30                ResultSet resultSet = preparedStatement.executeQuery();31                while (resultSet.next()) {32                    String column1 = resultSet.getString("column1");33                    String column2 = resultSet.getString("column2");34                    String column3 = resultSet.getString("column3");35                    System.out.println(column1 + " " + column2 + " " + column3);36                }37            }38        Statement statement = connection.createStatement();

setSchema

Using AI Code Generation

1public class Example3 {2    public static void main(String[] args) {3        SqlNameContext.setSchema("public");4        Example3 example3 = new Example3();5        example3.test();6    }7    public void test() {8            try (PreparedStatement preparedStatement = connection.prepareStatement("select * from \"EvoMasterTable\"")) {9                ResultSet resultSet = preparedStatement.executeQuery();10                while (resultSet.next()) {11                    String column1 = resultSet.getString("column1");12                    String column2 = resultSet.getString("column2");13                    String column3 = resultSet.getString("column3");14                    System.out.println(column1 + " " + column2 + " " + column3);15                }16            }17        } catch (SQLException e) {18            e.printStackTrace();19        }20    }21}22public class Example4 {23    public static void main(String[] args) {24        SqlNameContext.setSchema("public");25        Example4 example4 = new Example4();26        example4.test();27    }28    public void test() {29            try (PreparedStatement preparedStatement = connection.prepareStatement("select * from \"EvoMasterTable\"")) {30                ResultSet resultSet = preparedStatement.executeQuery();31                while (resultSet.next()) {32                    String column1 = resultSet.getString("column1");33                    String column2 = resultSet.getString("column2");34                    String column3 = resultSet.getString("column3");35                    System.out.println(column1 + " " + column2 + " " + column3);36                }37            }38        } catch

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