Examples with LoadDataColumnConfig liquibase.change.core.LoadDataColumnConfig used on opensource projects

Example 1 with LoadDataColumnConfig

use of liquibase.change.core.LoadDataColumnConfig in project liquibase by liquibase.

the class MissingDataExternalFileChangeGenerator method fixMissing.

@Override
public Change[] fixMissing(DatabaseObject missingObject, DiffOutputControl outputControl, Database referenceDatabase, Database comparisionDatabase, ChangeGeneratorChain chain) {
    Statement stmt = null;
    ResultSet rs = null;
    try {
        Data data = (Data) missingObject;
        Table table = data.getTable();
        if (referenceDatabase.isLiquibaseObject(table)) {
            return null;
        }
        String sql = "SELECT * FROM " + referenceDatabase.escapeTableName(table.getSchema().getCatalogName(), table.getSchema().getName(), table.getName());
        stmt = ((JdbcConnection) referenceDatabase.getConnection()).createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
        stmt.setFetchSize(100);
        rs = stmt.executeQuery(sql);
        List<String> columnNames = new ArrayList<String>();
        for (int i = 0; i < rs.getMetaData().getColumnCount(); i++) {
            columnNames.add(rs.getMetaData().getColumnName(i + 1));
        }
        String fileName = table.getName().toLowerCase() + ".csv";
        if (dataDir != null) {
            fileName = dataDir + "/" + fileName;
            File parentDir = new File(dataDir);
            if (!parentDir.exists()) {
                parentDir.mkdirs();
            }
            if (!parentDir.isDirectory()) {
                throw new RuntimeException(parentDir + " is not a directory");
            }
        }
        CSVWriter outputFile = new CSVWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileName), LiquibaseConfiguration.getInstance().getConfiguration(GlobalConfiguration.class).getOutputEncoding())));
        String[] dataTypes = new String[columnNames.size()];
        String[] line = new String[columnNames.size()];
        for (int i = 0; i < columnNames.size(); i++) {
            line[i] = columnNames.get(i);
        }
        outputFile.writeNext(line);
        int rowNum = 0;
        while (rs.next()) {
            line = new String[columnNames.size()];
            for (int i = 0; i < columnNames.size(); i++) {
                Object value = JdbcUtils.getResultSetValue(rs, i + 1);
                if (dataTypes[i] == null && value != null) {
                    if (value instanceof Number) {
                        dataTypes[i] = "NUMERIC";
                    } else if (value instanceof Boolean) {
                        dataTypes[i] = "BOOLEAN";
                    } else if (value instanceof Date) {
                        dataTypes[i] = "DATE";
                    } else {
                        dataTypes[i] = "STRING";
                    }
                }
                if (value == null) {
                    line[i] = "NULL";
                } else {
                    if (value instanceof Date) {
                        line[i] = new ISODateFormat().format(((Date) value));
                    } else {
                        line[i] = value.toString();
                    }
                }
            }
            outputFile.writeNext(line);
            rowNum++;
            if (rowNum % 5000 == 0) {
                outputFile.flush();
            }
        }
        outputFile.flush();
        outputFile.close();
        LoadDataChange change = new LoadDataChange();
        change.setFile(fileName);
        change.setEncoding(LiquibaseConfiguration.getInstance().getConfiguration(GlobalConfiguration.class).getOutputEncoding());
        if (outputControl.getIncludeCatalog()) {
            change.setCatalogName(table.getSchema().getCatalogName());
        }
        if (outputControl.getIncludeSchema()) {
            change.setSchemaName(table.getSchema().getName());
        }
        change.setTableName(table.getName());
        for (int i = 0; i < columnNames.size(); i++) {
            String colName = columnNames.get(i);
            LoadDataColumnConfig columnConfig = new LoadDataColumnConfig();
            columnConfig.setHeader(colName);
            columnConfig.setName(colName);
            columnConfig.setType(dataTypes[i]);
            change.addColumn(columnConfig);
        }
        return new Change[] { change };
    } catch (Exception e) {
        throw new UnexpectedLiquibaseException(e);
    } finally {
        if (rs != null) {
            try {
                rs.close();
            } catch (SQLException ignore) {
            }
        }
        if (stmt != null) {
            try {
                stmt.close();
            } catch (SQLException ignore) {
            }
        }
    }
}

Example 2 with LoadDataColumnConfig

use of liquibase.change.core.LoadDataColumnConfig in project liquibase by liquibase.

the class ChangeParameterMetaData method getExampleValue.

public Object getExampleValue(Database database) {
    if (exampleValues != null) {
        Object exampleValue = null;
        for (Map.Entry<String, Object> entry : exampleValues.entrySet()) {
            if (entry.getKey().equalsIgnoreCase("all")) {
                exampleValue = entry.getValue();
            } else if (DatabaseList.definitionMatches(entry.getKey(), database, false)) {
                return entry.getValue();
            }
        }
        if (exampleValue != null) {
            return exampleValue;
        }
    }
    Map standardExamples = new HashMap();
    standardExamples.put("tableName", "person");
    standardExamples.put("schemaName", "public");
    standardExamples.put("tableSchemaName", "public");
    standardExamples.put("catalogName", "cat");
    standardExamples.put("tableCatalogName", "cat");
    standardExamples.put("columnName", "id");
    standardExamples.put("columnNames", "id, name");
    standardExamples.put("indexName", "idx_address");
    standardExamples.put("columnDataType", "int");
    standardExamples.put("dataType", "int");
    standardExamples.put("sequenceName", "seq_id");
    standardExamples.put("viewName", "v_person");
    standardExamples.put("constraintName", "const_name");
    standardExamples.put("primaryKey", "pk_id");
    if (standardExamples.containsKey(parameterName)) {
        return standardExamples.get(parameterName);
    }
    for (String prefix : new String[] { "base", "referenced", "new", "old" }) {
        if (parameterName.startsWith(prefix)) {
            String mainName = StringUtils.lowerCaseFirst(parameterName.replaceFirst("^" + prefix, ""));
            if (standardExamples.containsKey(mainName)) {
                return standardExamples.get(mainName);
            }
        }
    }
    if (dataType.equals("string")) {
        return "A String";
    } else if (dataType.equals("integer")) {
        return 3;
    } else if (dataType.equals("boolean")) {
        return true;
    } else if (dataType.equals("bigInteger")) {
        return new BigInteger("371717");
    } else if (dataType.equals("list")) {
        //"TODO";
        return null;
    } else if (dataType.equals("sequenceNextValueFunction")) {
        return new SequenceNextValueFunction("seq_name");
    } else if (dataType.equals("databaseFunction")) {
        return new DatabaseFunction("now");
    } else if (dataType.equals("list of columnConfig")) {
        ArrayList<ColumnConfig> list = new ArrayList<ColumnConfig>();
        list.add(new ColumnConfig().setName("id").setType("int"));
        return list;
    } else if (dataType.equals("list of addColumnConfig")) {
        ArrayList<ColumnConfig> list = new ArrayList<ColumnConfig>();
        list.add(new AddColumnConfig().setName("id").setType("int"));
        return list;
    } else if (dataType.equals("list of loadDataColumnConfig")) {
        ArrayList<ColumnConfig> list = new ArrayList<ColumnConfig>();
        list.add(new LoadDataColumnConfig().setName("id").setType("int"));
        return list;
    } else {
        throw new UnexpectedLiquibaseException("Unknown dataType " + dataType + " for " + getParameterName());
    }
}