Merge pull request #397 from vishwasbabu/develop

datatable delete apis should only delete registered datatables
This commit is contained in:
Vishwas Babu A J
2013-06-25 02:55:18 -07:00
@@ -58,13 +58,20 @@ import com.google.gson.reflect.TypeToken;
@Service
public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataService {
private final static String DATATABLE_NAME_REGEX_PATTERN = "^[a-zA-Z][a-zA-Z0-9\\-_\\s]{0,48}[a-zA-Z0-9]$";
private final static String DATATABLE_NAME_REGEX_PATTERN = "^[a-zA-Z][a-zA-Z0-9\\-_\\s]{0,48}[a-zA-Z0-9]$";
private final static Logger logger = LoggerFactory.getLogger(ReadWriteNonCoreDataServiceImpl.class);
private final static HashMap<String, String> apiTypeToMySQL = new HashMap<String, String>() {{
put("String", "VARCHAR"); put("Number", "INT"); put("Decimal", "DECIMAL"); put("Date", "DATE");
put("Text", "TEXT"); put ("Dropdown", "INT");
}};
private final static HashMap<String, String> apiTypeToMySQL = new HashMap<String, String>() {
{
put("String", "VARCHAR");
put("Number", "INT");
put("Decimal", "DECIMAL");
put("Date", "DATE");
put("Text", "TEXT");
put("Dropdown", "INT");
}
};
private final JdbcTemplate jdbcTemplate;
private final DataSource dataSource;
@@ -282,396 +289,377 @@ public class ReadWriteNonCoreDataServiceImpl implements ReadWriteNonCoreDataServ
}
}
private boolean isRegisteredDataTable(final String name) {
// PERMITTED datatables
final String sql = "select if((exists (select 1 from x_registered_table where registered_table_name = ?)) = 1, 'true', 'false')";
final String isRegisteredDataTable = this.jdbcTemplate.queryForObject(sql, String.class, new Object[] { name });
return new Boolean(isRegisteredDataTable);
}
private void validateDatatableName(final String name) {
if (name == null || name.isEmpty()) {
throw new PlatformDataIntegrityException("error.msg.datatables.datatable.null.name",
"Data table name must not be blank.");
} else if (!name.matches(DATATABLE_NAME_REGEX_PATTERN)) {
throw new PlatformDataIntegrityException("error.msg.datatables.datatable.invalid.name.regex",
"Invalid data table name.", name);
}
if (name == null || name.isEmpty()) {
throw new PlatformDataIntegrityException("error.msg.datatables.datatable.null.name", "Data table name must not be blank.");
} else if (!name.matches(DATATABLE_NAME_REGEX_PATTERN)) { throw new PlatformDataIntegrityException(
"error.msg.datatables.datatable.invalid.name.regex", "Invalid data table name.", name); }
}
private String datatableColumnNameToCodeValueName(final String columnName, final String code) {
return (code + "_cd_" + columnName);
return (code + "_cd_" + columnName);
}
private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
"Validation errors exist.", dataValidationErrors); }
}
private void parseDatatableColumnObjectForCreate(final JsonObject column, StringBuilder sqlBuilder) {
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String type = (column.has("type")) ? column.get("type").getAsString() : null;
Integer length = (column.has("length")) ? column.get("length").getAsInt() : null;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
}
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String type = (column.has("type")) ? column.get("type").getAsString() : null;
Integer length = (column.has("length")) ? column.get("length").getAsInt() : null;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
String mysqlType = apiTypeToMySQL.get(type);
sqlBuilder = sqlBuilder.append("`" + name + "` " + mysqlType);
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
}
if (type != null)
{
if (type.equals("String")) {
sqlBuilder = sqlBuilder.append("(" + length + ")");
} else if (type.equals("Decimal")) {
sqlBuilder = sqlBuilder.append("(19,6)");
} else if (type.equals("Dropdown")) {
sqlBuilder = sqlBuilder.append("(11)");
}
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
String mysqlType = apiTypeToMySQL.get(type);
sqlBuilder = sqlBuilder.append("`" + name + "` " + mysqlType);
sqlBuilder = sqlBuilder.append(", ");
if (type != null) {
if (type.equals("String")) {
sqlBuilder = sqlBuilder.append("(" + length + ")");
} else if (type.equals("Decimal")) {
sqlBuilder = sqlBuilder.append("(19,6)");
} else if (type.equals("Dropdown")) {
sqlBuilder = sqlBuilder.append("(11)");
}
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
sqlBuilder = sqlBuilder.append(", ");
}
@Transactional
@Override
public CommandProcessingResult createDatatable(final JsonCommand command) {
String datatableName = null;
String datatableName = null;
try {
context.authenticatedUser();
this.fromApiJsonDeserializer.validateForCreate(command.json());
try {
context.authenticatedUser();
this.fromApiJsonDeserializer.validateForCreate(command.json());
JsonElement element = this.fromJsonHelper.parse(command.json());
JsonArray columns = this.fromJsonHelper.extractJsonArrayNamed("columns", element);
datatableName = this.fromJsonHelper.extractStringNamed("datatableName", element);
String apptableName = this.fromJsonHelper.extractStringNamed("apptableName", element);
Boolean multiRow = this.fromJsonHelper.extractBooleanNamed("multiRow", element);
JsonElement element = this.fromJsonHelper.parse(command.json());
JsonArray columns = this.fromJsonHelper.extractJsonArrayNamed("columns", element);
datatableName = this.fromJsonHelper.extractStringNamed("datatableName", element);
String apptableName = this.fromJsonHelper.extractStringNamed("apptableName", element);
Boolean multiRow = this.fromJsonHelper.extractBooleanNamed("multiRow", element);
if (multiRow == null) {
multiRow = false;
}
if (multiRow == null) {
multiRow = false;
}
validateDatatableName(datatableName);
validateAppTable(apptableName);
validateDatatableName(datatableName);
validateAppTable(apptableName);
String fkColumnName = apptableName.substring(2) + "_id";
String fkName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + fkColumnName;
StringBuilder sqlBuilder = new StringBuilder();
sqlBuilder = sqlBuilder.append("CREATE TABLE `" + datatableName + "` (");
String fkColumnName = apptableName.substring(2) + "_id";
String fkName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + fkColumnName;
StringBuilder sqlBuilder = new StringBuilder();
sqlBuilder = sqlBuilder.append("CREATE TABLE `" + datatableName + "` (");
if (multiRow) {
sqlBuilder = sqlBuilder
.append("`id` BIGINT(20) NOT NULL AUTO_INCREMENT, ")
.append("`" + fkColumnName + "` BIGINT(20) NOT NULL, ");
} else {
sqlBuilder = sqlBuilder
.append("`" + fkColumnName + "` BIGINT(20) NOT NULL, ");
}
if (multiRow) {
sqlBuilder = sqlBuilder.append("`id` BIGINT(20) NOT NULL AUTO_INCREMENT, ").append(
"`" + fkColumnName + "` BIGINT(20) NOT NULL, ");
} else {
sqlBuilder = sqlBuilder.append("`" + fkColumnName + "` BIGINT(20) NOT NULL, ");
}
for (JsonElement column : columns) {
parseDatatableColumnObjectForCreate(column.getAsJsonObject(), sqlBuilder);
}
for (JsonElement column : columns) {
parseDatatableColumnObjectForCreate(column.getAsJsonObject(), sqlBuilder);
}
// Remove trailing comma and space
sqlBuilder = sqlBuilder.delete(sqlBuilder.length() - 2, sqlBuilder.length());
// Remove trailing comma and space
sqlBuilder = sqlBuilder.delete(sqlBuilder.length() - 2, sqlBuilder.length());
if (multiRow) {
sqlBuilder = sqlBuilder
.append(", PRIMARY KEY (`id`)")
.append(", KEY `fk_" + apptableName.substring(2) + "_id` (`" + fkColumnName + "`)")
.append(", CONSTRAINT `fk_" + fkName + "` ")
.append("FOREIGN KEY (`" + fkColumnName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
} else {
sqlBuilder = sqlBuilder
.append(", PRIMARY KEY (`" + fkColumnName + "`)")
.append(", CONSTRAINT `fk_" + fkName + "` ")
.append("FOREIGN KEY (`" + fkColumnName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
}
if (multiRow) {
sqlBuilder = sqlBuilder.append(", PRIMARY KEY (`id`)")
.append(", KEY `fk_" + apptableName.substring(2) + "_id` (`" + fkColumnName + "`)")
.append(", CONSTRAINT `fk_" + fkName + "` ").append("FOREIGN KEY (`" + fkColumnName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
} else {
sqlBuilder = sqlBuilder.append(", PRIMARY KEY (`" + fkColumnName + "`)").append(", CONSTRAINT `fk_" + fkName + "` ")
.append("FOREIGN KEY (`" + fkColumnName + "`) ").append("REFERENCES `" + apptableName + "` (`id`)");
}
sqlBuilder = sqlBuilder.append(") ENGINE=InnoDB DEFAULT CHARSET=utf8;");
this.jdbcTemplate.execute(sqlBuilder.toString());
sqlBuilder = sqlBuilder.append(") ENGINE=InnoDB DEFAULT CHARSET=utf8;");
this.jdbcTemplate.execute(sqlBuilder.toString());
registerDatatable(datatableName, apptableName);
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
if (realCause.getMessage().toLowerCase().contains("duplicate column name")) {
baseDataValidator.reset().parameter("name").failWithCode("duplicate.column.name");
} else if (realCause.getMessage().contains("Table") && realCause.getMessage().contains("already exists")) {
baseDataValidator.reset().parameter("datatableName").value(datatableName).failWithCode("datatable.already.exists");
}
registerDatatable(datatableName, apptableName);
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
if (realCause.getMessage().toLowerCase().contains("duplicate column name")) {
baseDataValidator.reset().parameter("name").failWithCode("duplicate.column.name");
} else if (realCause.getMessage().contains("Table") && realCause.getMessage().contains("already exists")) {
baseDataValidator.reset().parameter("datatableName").value(datatableName)
.failWithCode("datatable.already.exists");
}
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
}
return new CommandProcessingResultBuilder()
.withCommandId(command.commandId())
.withResourceIdAsString(datatableName)
.build();
return new CommandProcessingResultBuilder().withCommandId(command.commandId()).withResourceIdAsString(datatableName).build();
}
private void parseDatatableColumnForUpdate(final JsonObject column,
final Map<String, ResultsetColumnHeaderData> mapColumnNameDefinition, StringBuilder sqlBuilder) {
final Map<String, ResultsetColumnHeaderData> mapColumnNameDefinition, StringBuilder sqlBuilder) {
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String lengthStr = (column.has("length")) ? column.get("length").getAsString() : null;
Integer length = (StringUtils.isNotBlank(lengthStr)) ? Integer.parseInt(lengthStr) : null;
String newName = (column.has("newName")) ? column.get("newName").getAsString() : name;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String after = (column.has("after")) ? column.get("after").getAsString() : null;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
String newCode = (column.has("newCode")) ? column.get("newCode").getAsString() : null;
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String lengthStr = (column.has("length")) ? column.get("length").getAsString() : null;
Integer length = (StringUtils.isNotBlank(lengthStr)) ? Integer.parseInt(lengthStr) : null;
String newName = (column.has("newName")) ? column.get("newName").getAsString() : name;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String after = (column.has("after")) ? column.get("after").getAsString() : null;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
String newCode = (column.has("newCode")) ? column.get("newCode").getAsString() : null;
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
if (StringUtils.isNotBlank(newCode)) {
newName = datatableColumnNameToCodeValueName(newName, newCode);
} else {
newName = datatableColumnNameToCodeValueName(newName, code);
}
}
if (StringUtils.isNotBlank(newCode)) {
newName = datatableColumnNameToCodeValueName(newName, newCode);
} else {
newName = datatableColumnNameToCodeValueName(newName, code);
}
}
if (!mapColumnNameDefinition.containsKey(name)) {
throw new PlatformDataIntegrityException("error.msg.datatable.column.missing.update.parse",
"Column " + name + " does not exist.", name);
}
if (!mapColumnNameDefinition.containsKey(name)) { throw new PlatformDataIntegrityException(
"error.msg.datatable.column.missing.update.parse", "Column " + name + " does not exist.", name); }
String type = mapColumnNameDefinition.get(name).getColumnType();
if (length == null && type.toLowerCase().equals("varchar")) {
length = mapColumnNameDefinition.get(name).getColumnLength().intValue();
}
String type = mapColumnNameDefinition.get(name).getColumnType();
if (length == null && type.toLowerCase().equals("varchar")) {
length = mapColumnNameDefinition.get(name).getColumnLength().intValue();
}
sqlBuilder = sqlBuilder.append(", CHANGE `" + name + "` `" + newName + "` " + type);
if (length != null && length > 0) {
if (type.toLowerCase().equals("decimal")) {
sqlBuilder.append("(19,6)");
} else if (type.toLowerCase().equals("varchar")) {
sqlBuilder.append("(" + length + ")");
}
}
sqlBuilder = sqlBuilder.append(", CHANGE `" + name + "` `" + newName + "` " + type);
if (length != null && length > 0) {
if (type.toLowerCase().equals("decimal")) {
sqlBuilder.append("(19,6)");
} else if (type.toLowerCase().equals("varchar")) {
sqlBuilder.append("(" + length + ")");
}
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
if (after != null) {
sqlBuilder = sqlBuilder.append(" AFTER `" + after + "`");
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
if (after != null) {
sqlBuilder = sqlBuilder.append(" AFTER `" + after + "`");
}
}
private void parseDatatableColumnForAdd(final JsonObject column, StringBuilder sqlBuilder) {
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String type = (column.has("type")) ? column.get("type").getAsString() : null;
Integer length = (column.has("length")) ? column.get("length").getAsInt() : null;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String after = (column.has("after")) ? column.get("after").getAsString() : null;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String type = (column.has("type")) ? column.get("type").getAsString() : null;
Integer length = (column.has("length")) ? column.get("length").getAsInt() : null;
Boolean mandatory = (column.has("mandatory")) ? column.get("mandatory").getAsBoolean() : false;
String after = (column.has("after")) ? column.get("after").getAsString() : null;
String code = (column.has("code")) ? column.get("code").getAsString() : null;
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
}
if (StringUtils.isNotBlank(code)) {
name = datatableColumnNameToCodeValueName(name, code);
}
String mysqlType = apiTypeToMySQL.get(type);
sqlBuilder = sqlBuilder.append(", ADD `" + name + "` " + mysqlType);
String mysqlType = apiTypeToMySQL.get(type);
sqlBuilder = sqlBuilder.append(", ADD `" + name + "` " + mysqlType);
if (type != null) {
if (type.equals("String") && length != null) {
sqlBuilder = sqlBuilder.append("(" + length + ")");
} else if (type.equals("Decimal")) {
sqlBuilder = sqlBuilder.append("(19,6)");
} else if (type.equals("Dropdown")) {
sqlBuilder = sqlBuilder.append("(11)");
}
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
if (after != null) {
sqlBuilder = sqlBuilder.append(" AFTER `" + after + "`");
}
if (type != null) {
if (type.equals("String") && length != null) {
sqlBuilder = sqlBuilder.append("(" + length + ")");
} else if (type.equals("Decimal")) {
sqlBuilder = sqlBuilder.append("(19,6)");
} else if (type.equals("Dropdown")) {
sqlBuilder = sqlBuilder.append("(11)");
}
}
if (mandatory != null) {
if (mandatory) {
sqlBuilder = sqlBuilder.append(" NOT NULL");
} else {
sqlBuilder = sqlBuilder.append(" DEFAULT NULL");
}
}
if (after != null) {
sqlBuilder = sqlBuilder.append(" AFTER `" + after + "`");
}
}
private void parseDatatableColumnForDrop(final JsonObject column, StringBuilder sqlBuilder) {
private void parseDatatableColumnForDrop(final JsonObject column, StringBuilder sqlBuilder) {
String name = (column.has("name")) ? column.get("name").getAsString() : null;
String name = (column.has("name")) ? column.get("name").getAsString() : null;
sqlBuilder = sqlBuilder.append(", DROP COLUMN `" + name + "`");
}
sqlBuilder = sqlBuilder.append(", DROP COLUMN `" + name + "`");
}
@Transactional
@Override
public void updateDatatable(final String datatableName, final JsonCommand command) {
try {
context.authenticatedUser();
this.fromApiJsonDeserializer.validateForUpdate(command.json());
try {
context.authenticatedUser();
this.fromApiJsonDeserializer.validateForUpdate(command.json());
JsonElement element = this.fromJsonHelper.parse(command.json());
JsonArray changeColumns = this.fromJsonHelper.extractJsonArrayNamed("changeColumns", element);
JsonArray addColumns = this.fromJsonHelper.extractJsonArrayNamed("addColumns", element);
JsonArray dropColumns = this.fromJsonHelper.extractJsonArrayNamed("dropColumns", element);
String apptableName = this.fromJsonHelper.extractStringNamed("apptableName", element);
JsonElement element = this.fromJsonHelper.parse(command.json());
JsonArray changeColumns = this.fromJsonHelper.extractJsonArrayNamed("changeColumns", element);
JsonArray addColumns = this.fromJsonHelper.extractJsonArrayNamed("addColumns", element);
JsonArray dropColumns = this.fromJsonHelper.extractJsonArrayNamed("dropColumns", element);
String apptableName = this.fromJsonHelper.extractStringNamed("apptableName", element);
validateDatatableName(datatableName);
List<ResultsetColumnHeaderData> columnHeaderData = this.genericDataService.fillResultsetColumnHeaders(datatableName);
Map<String, ResultsetColumnHeaderData> mapColumnNameDefinition = new HashMap<String, ResultsetColumnHeaderData>();
for (ResultsetColumnHeaderData columnHeader : columnHeaderData) {
mapColumnNameDefinition.put(columnHeader.getColumnName(), columnHeader);
}
validateDatatableName(datatableName);
if (!StringUtils.isBlank(apptableName)) {
validateAppTable(apptableName);
List<ResultsetColumnHeaderData> columnHeaderData = this.genericDataService.fillResultsetColumnHeaders(datatableName);
Map<String, ResultsetColumnHeaderData> mapColumnNameDefinition = new HashMap<String, ResultsetColumnHeaderData>();
for (ResultsetColumnHeaderData columnHeader : columnHeaderData) {
mapColumnNameDefinition.put(columnHeader.getColumnName(), columnHeader);
}
String oldApptableName = this.queryForApplicationTableName(datatableName);
if (!StringUtils.equals(oldApptableName, apptableName)) {
String oldFKName = oldApptableName.substring(2) + "_id";
String newFKName = apptableName.substring(2) + "_id";
String oldConstraintName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + oldFKName;
String newConstraintName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + newFKName;
StringBuilder sqlBuilder = new StringBuilder();
if (mapColumnNameDefinition.containsKey("id")) {
sqlBuilder = sqlBuilder
.append("ALTER TABLE `" + datatableName + "` ")
.append("DROP KEY `fk_" + oldFKName + "`,")
.append("DROP FOREIGN KEY `fk_" + oldConstraintName + "`,")
.append("CHANGE COLUMN `" + oldFKName + "` `" + newFKName + "` BIGINT(20) NOT NULL,")
.append("ADD KEY `fk_" + newFKName + "` (`" + newFKName + "`),")
.append("ADD CONSTRAINT `fk_" + newConstraintName + "` ")
.append("FOREIGN KEY (`" + newFKName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
} else {
sqlBuilder = sqlBuilder
.append("ALTER TABLE `" + datatableName + "` ")
.append("DROP FOREIGN KEY `fk_" + oldConstraintName + "`,")
.append("CHANGE COLUMN `" + oldFKName + "` `" + newFKName + "` BIGINT(20) NOT NULL,")
.append("ADD CONSTRAINT `fk_" + newConstraintName + "` ")
.append("FOREIGN KEY (`" + newFKName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
}
this.jdbcTemplate.execute(sqlBuilder.toString());
deregisterDatatable(datatableName);
registerDatatable(datatableName, apptableName);
}
}
if (!StringUtils.isBlank(apptableName)) {
validateAppTable(apptableName);
if (changeColumns == null && addColumns == null && dropColumns == null) {
return;
}
String oldApptableName = this.queryForApplicationTableName(datatableName);
if (!StringUtils.equals(oldApptableName, apptableName)) {
String oldFKName = oldApptableName.substring(2) + "_id";
String newFKName = apptableName.substring(2) + "_id";
String oldConstraintName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + oldFKName;
String newConstraintName = datatableName.toLowerCase().replaceAll("\\s", "_") + "_" + newFKName;
StringBuilder sqlBuilder = new StringBuilder();
if (dropColumns != null) {
if (mapColumnNameDefinition.containsKey("id")) {
sqlBuilder = sqlBuilder.append("ALTER TABLE `" + datatableName + "` ").append("DROP KEY `fk_" + oldFKName + "`,")
.append("DROP FOREIGN KEY `fk_" + oldConstraintName + "`,")
.append("CHANGE COLUMN `" + oldFKName + "` `" + newFKName + "` BIGINT(20) NOT NULL,")
.append("ADD KEY `fk_" + newFKName + "` (`" + newFKName + "`),")
.append("ADD CONSTRAINT `fk_" + newConstraintName + "` ").append("FOREIGN KEY (`" + newFKName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
} else {
sqlBuilder = sqlBuilder.append("ALTER TABLE `" + datatableName + "` ")
.append("DROP FOREIGN KEY `fk_" + oldConstraintName + "`,")
.append("CHANGE COLUMN `" + oldFKName + "` `" + newFKName + "` BIGINT(20) NOT NULL,")
.append("ADD CONSTRAINT `fk_" + newConstraintName + "` ").append("FOREIGN KEY (`" + newFKName + "`) ")
.append("REFERENCES `" + apptableName + "` (`id`)");
}
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
this.jdbcTemplate.execute(sqlBuilder.toString());
for (JsonElement column : dropColumns) {
parseDatatableColumnForDrop(column.getAsJsonObject(), sqlBuilder);
}
deregisterDatatable(datatableName);
registerDatatable(datatableName, apptableName);
}
}
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
if (changeColumns == null && addColumns == null && dropColumns == null) { return; }
this.jdbcTemplate.execute(sqlBuilder.toString());
}
if (addColumns != null) {
if (dropColumns != null) {
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
for (JsonElement column : addColumns) {
parseDatatableColumnForAdd(column.getAsJsonObject(), sqlBuilder);
}
for (JsonElement column : dropColumns) {
parseDatatableColumnForDrop(column.getAsJsonObject(), sqlBuilder);
}
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
this.jdbcTemplate.execute(sqlBuilder.toString());
}
if (changeColumns != null) {
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
this.jdbcTemplate.execute(sqlBuilder.toString());
}
if (addColumns != null) {
for (JsonElement column : changeColumns) {
parseDatatableColumnForUpdate(column.getAsJsonObject(), mapColumnNameDefinition, sqlBuilder);
}
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
for (JsonElement column : addColumns) {
parseDatatableColumnForAdd(column.getAsJsonObject(), sqlBuilder);
}
this.jdbcTemplate.execute(sqlBuilder.toString());
}
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
if (realCause.getMessage().toLowerCase().contains("unknown column")) {
baseDataValidator.reset().parameter("name").failWithCode("does.not.exist");
} else if (realCause.getMessage().toLowerCase().contains("can't drop")) {
baseDataValidator.reset().parameter("name").failWithCode("does.not.exist");
} else if (realCause.getMessage().toLowerCase().contains("duplicate column")) {
baseDataValidator.reset().parameter("name").failWithCode("column.already.exists");
}
this.jdbcTemplate.execute(sqlBuilder.toString());
}
if (changeColumns != null) {
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
StringBuilder sqlBuilder = new StringBuilder("ALTER TABLE `" + datatableName + "`");
for (JsonElement column : changeColumns) {
parseDatatableColumnForUpdate(column.getAsJsonObject(), mapColumnNameDefinition, sqlBuilder);
}
// Remove the first comma, right after ALTER TABLE `datatable`
int indexOfFirstComma = sqlBuilder.indexOf(",");
if (indexOfFirstComma != -1) {
sqlBuilder = sqlBuilder.deleteCharAt(indexOfFirstComma);
}
this.jdbcTemplate.execute(sqlBuilder.toString());
}
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
if (realCause.getMessage().toLowerCase().contains("unknown column")) {
baseDataValidator.reset().parameter("name").failWithCode("does.not.exist");
} else if (realCause.getMessage().toLowerCase().contains("can't drop")) {
baseDataValidator.reset().parameter("name").failWithCode("does.not.exist");
} else if (realCause.getMessage().toLowerCase().contains("duplicate column")) {
baseDataValidator.reset().parameter("name").failWithCode("column.already.exists");
}
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
}
@Transactional
@Override
public void deleteDatatable(final String datatableName) {
try {
context.authenticatedUser();
try {
context.authenticatedUser();
if (!isRegisteredDataTable(datatableName)) { throw new DatatableNotFoundException(datatableName); }
validateDatatableName(datatableName);
deregisterDatatable(datatableName);
String sql = "DROP TABLE `" + datatableName + "`";
this.jdbcTemplate.execute(sql);
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
if (realCause.getMessage().contains("Unknown table")) {
baseDataValidator.reset().parameter("datatableName").failWithCode("does.not.exist");
}
validateDatatableName(datatableName);
deregisterDatatable(datatableName);
String sql = "DROP TABLE `" + datatableName + "`";
this.jdbcTemplate.execute(sql);
} catch (SQLGrammarException e) {
Throwable realCause = e.getCause();
List<ApiParameterError> dataValidationErrors = new ArrayList<ApiParameterError>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("datatable");
if (realCause.getMessage().contains("Unknown table")) {
baseDataValidator.reset().parameter("datatableName").failWithCode("does.not.exist");
}
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
}
@Transactional