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How to use dropTableIfExists method of org.evomaster.client.java.controller.db.DbCleaner class

Best EvoMaster code snippet using org.evomaster.client.java.controller.db.DbCleaner.dropTableIfExists

Source:DbCleaner.java

...222                    .collect(Collectors.joining(","));223            if (type != DatabaseType.POSTGRES)224                throw new IllegalArgumentException("do not support for cleaning all data by one single command for " + type);225            if (doDropTable) {226                dropTableIfExists(statement, ts);227            } else {228                truncateTable(statement, ts, restartIdentityWhenTruncating);229            }230        } else {231            //note: if one at a time, need to make sure to first disable FK checks232            for (String t : tablesToClear) {233                if (doDropTable)234                    dropTableIfExists(statement, t);235                else {236                    /*237                        for MS_SQL_SERVER, we cannot use truncate tables if there exist fk238                        see239                            https://docs.microsoft.com/en-us/sql/t-sql/statements/truncate-table-transact-sql?view=sql-server-ver15#restrictions240                            https://stackoverflow.com/questions/155246/how-do-you-truncate-all-tables-in-a-database-using-tsql#156813241                        then it will cause a problem to reset identify242                    */243                    if (type == DatabaseType.MS_SQL_SERVER)244                        deleteTables(statement, t, schema, tablesHaveIdentifies);245                    else246                        truncateTable(statement, t, restartIdentityWhenTruncating);247                }248            }249        }250        return tablesToClear;251    }252    private static void dropTableIfExists(Statement statement, String table) throws SQLException {253        statement.executeUpdate("DROP TABLE IF EXISTS " + table);254    }255    private static void deleteTables(Statement statement, String table, String schema, Set<String> tableHasIdentify) throws SQLException {256        String tableWithSchema = table;257        /*258         for MS SQL, the delete command should consider its schema,259         but such schema info is not returned when retrieving table name with select command, see [getAllTableCommand]260         then here, we need to reformat the table name with schema261         */262        if (!schema.isEmpty() && !schema.equals(getDefaultSchema(DatabaseType.MS_SQL_SERVER)))263            tableWithSchema = schema + "." + schema;264        statement.executeUpdate("DELETE FROM " + tableWithSchema);265//        NOTE TAHT ideally we should reseed identify here, but there would case an issue, i.e., does not contain an identity column266        if (tableHasIdentify.contains(table))...

dropTableIfExists

Using AI Code Generation

1package org.evomaster.client.java.controller.db;2import java.sql.Connection;3import java.sql.SQLException;4public class DbCleaner {5    public static void dropTableIfExists(Connection connection) throws SQLException {6        String[] tables = {"t1", "t2", "t3"};7        for (String table : tables) {8            String sql = "DROP TABLE IF EXISTS " + table;9            connection.createStatement().execute(sql);10        }11    }12}13package org.evomaster.client.java.controller.db;14import java.sql.Connection;15import java.sql.SQLException;16public class DbInitializer {17    public static void insertIntoTable(Connection connection) throws SQLException {18        String[] tables = {"t1", "t2", "t3"};19        for (String table : tables) {20            String sql = "INSERT INTO " + table + " VALUES (1, 2, 3)";21            connection.createStatement().execute(sql);22        }23    }24}25package org.evomaster.client.java.controller.db;26import java.sql.Connection;27import java.sql.ResultSet;28import java.sql.SQLException;29import java.sql.Statement;30import java.util.ArrayList;31import java.util.List;32public class DbActionBuilder {

dropTableIfExists

Using AI Code Generation

1public class DbCleaner {2    private static final Logger log = LoggerFactory.getLogger(DbCleaner.class);3    private final DbActionTransformer transformer = new DbActionTransformer();4    public void dropTables(ActionCluster actionCluster, TargetDatabase targetDb) {5        if (actionCluster == null) {6            throw new IllegalArgumentException("actionCluster cannot be null");7        }8        if (targetDb == null) {9            throw new IllegalArgumentException("targetDb cannot be null");10        }11        if (targetDb.getSchema() == null) {12            throw new IllegalArgumentException("targetDb schema cannot be null");13        }14        List<Table> tables = actionCluster.getTables();15        if (tables == null || tables.isEmpty()) {16            return;17        }18        for (Table table : tables) {19            dropTableIfExists(table, targetDb);20        }21    }22    public void dropTableIfExists(Table table, TargetDatabase targetDb) {23        if (table == null) {24            throw new IllegalArgumentException("table cannot be null");25        }26        if (targetDb == null) {27            throw new IllegalArgumentException("targetDb cannot be null");28        }29        if (targetDb.getSchema() == null) {30            throw new IllegalArgumentException("targetDb schema cannot be null");31        }32        String dropTableStatement = "DROP TABLE IF EXISTS " + table.getName() + ";";33        try (Connection connection = targetDb.getConnection();34             Statement statement = connection.createStatement()) {35            statement.execute(dropTableStatement);36        } catch (SQLException e) {37            log.warn("Could not drop table " + table.getName() + " for schema " + targetDb.getSchema() + " in database " + targetDb.getDatabaseType() + " at " + targetDb.getJdbcUrl() + " with user " + targetDb.getUsername() + ". " + e.getMessage());38        }39    }

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