private void createTables(boolean dropTables) {
for (Enumeration e = EOModelGroup.defaultGroup().models().objectEnumerator();
e.hasMoreElements(); ) {
final EOModel eomodel = (EOModel) e.nextElement();
EODatabaseContext dbc = EOUtilities.databaseContextForModelNamed(ec, eomodel.name());
dbc.lock();
try {
EOAdaptorChannel channel = dbc.availableChannel().adaptorChannel();
if (eomodel.adaptorName().contains("JDBC")) {
EOSynchronizationFactory syncFactory =
(EOSynchronizationFactory)
channel.adaptorContext().adaptor().synchronizationFactory();
ERXSQLHelper helper = ERXSQLHelper.newSQLHelper(channel);
NSDictionary options = helper.defaultOptionDictionary(true, dropTables);
// Primary key support creation throws an unwanted exception
// if
// EO_PK_TABLE already
// exists (e.g. in case of MySQL), so we add pk support in a
// stand-alone step
options = optionsWithPrimaryKeySupportDisabled(options);
createPrimaryKeySupportForModel(eomodel, channel, syncFactory);
String sqlScript =
syncFactory.schemaCreationScriptForEntities(eomodel.entities(), options);
log.info("Creating tables: {}", eomodel.name());
ERXJDBCUtilities.executeUpdateScript(channel, sqlScript, true);
}
} catch (SQLException ex) {
log.error("Can't update", ex);
} finally {
dbc.unlock();
}
}
}
/**
* Returns an EOAttribute with all of its fields filled in based on the properties of this
* ERXMigrationColumn. The attribute is attached to the given entity.
*
* @param entity the entity to add the attribute to
* @return an EOAttribute with all of its fields filled in
*/
@SuppressWarnings("unchecked")
public EOAttribute _newAttribute(EOEntity entity) {
EOAdaptor eoAdaptor = _table.database().adaptor();
// MS: Hack to make Memory adaptor migrations "work"
if (!(eoAdaptor instanceof JDBCAdaptor)) {
EOAttribute nonJdbcAttribute = new EOAttribute();
nonJdbcAttribute.setName(_name);
nonJdbcAttribute.setColumnName(_name);
nonJdbcAttribute.setExternalType("nonJdbcAttribute");
entity.addAttribute(nonJdbcAttribute);
return nonJdbcAttribute;
}
JDBCAdaptor adaptor = (JDBCAdaptor) _table.database().adaptor();
ERXSQLHelper sqlHelper = ERXSQLHelper.newSQLHelper(adaptor);
String externalType = sqlHelper.externalTypeForJDBCType(adaptor, _jdbcType);
if (externalType == null) {
externalType = "IF_YOU_ARE_SEEING_THIS_SOMETHING_WENT_WRONG_WITH_EXTERNAL_TYPES";
}
EOAttribute attribute =
adaptor.createAttribute(
_name, _name, _jdbcType, externalType, _precision, _scale, _allowsNull ? 1 : 0);
if (_width > 0) {
attribute.setWidth(_width);
}
if (_defaultValue != null) {
NSDictionary userInfo = attribute.userInfo();
NSMutableDictionary mutableUserInfo;
if (userInfo == null) {
mutableUserInfo = new NSMutableDictionary();
} else {
mutableUserInfo = userInfo.mutableClone();
}
mutableUserInfo.setObjectForKey(_defaultValue, "default");
attribute.setUserInfo(mutableUserInfo);
}
if (_overrideValueType != null) {
if (ERXMigrationColumn.NULL_VALUE_TYPE.equals(_overrideValueType)) {
attribute.setValueType(null);
} else {
attribute.setValueType(_overrideValueType);
}
if (sqlHelper.reassignExternalTypeForValueTypeOverride(attribute)) {
adaptor.assignExternalTypeForAttribute(attribute);
}
}
if (_overrideExternalType != null) {
attribute.setExternalType(_overrideExternalType);
}
entity.addAttribute(attribute);
return attribute;
}
/**
* Changes the data type of this column.
*
* @param jdbcType the new JDBC type of the column (see java.sql.Types)
* @param scale the new scale
* @param precision the new precision
* @param width the new width
* @param options the options to use for conversion (or null)
* @throws SQLException if the change fails
*/
@SuppressWarnings("unchecked")
public void setDataType(int jdbcType, int scale, int precision, int width, NSDictionary options)
throws SQLException {
JDBCAdaptor adaptor = (JDBCAdaptor) _table.database().adaptor();
String externalType =
ERXSQLHelper.newSQLHelper(adaptor).externalTypeForJDBCType(adaptor, jdbcType);
EOSchemaSynchronization schemaSynchronization = _table.database().synchronizationFactory();
NSArray<EOSQLExpression> expressions =
schemaSynchronization.statementsToConvertColumnType(
_name,
_table.name(),
null,
new _ColumnType(externalType, scale, precision, width),
options);
ERXMigrationDatabase._ensureNotEmpty(expressions, "convert column type", true);
ERXJDBCUtilities.executeUpdateScript(
_table.database().adaptorChannel(),
ERXMigrationDatabase._stringsForExpressions(expressions));
_jdbcType = jdbcType;
_scale = scale;
_precision = precision;
_width = width;
}