/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jumpmind.symmetric.db.derby;
import java.sql.Types;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.jumpmind.db.model.Column;
import org.jumpmind.symmetric.db.AbstractTriggerTemplate;
import org.jumpmind.symmetric.db.ISymmetricDialect;
public class DerbyTriggerTemplate extends AbstractTriggerTemplate {
public DerbyTriggerTemplate(ISymmetricDialect symmetricDialect) {
super(symmetricDialect);
//@formatter:off
emptyColumnTemplate = "''" ;
stringColumnTemplate = "sym_escape($(tableAlias).\"$(columnName)\")" ;
xmlColumnTemplate = null;
arrayColumnTemplate = null;
numberColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' || rtrim(char($(tableAlias).\"$(columnName)\")) || '\"' end" ;
datetimeColumnTemplate = "case when $(tableAlias).\"$(columnName)\" is null then '' else '\"' || rtrim(char($(tableAlias).\"$(columnName)\")) || '\"' end" ;
timeColumnTemplate = null;
dateColumnTemplate = null;
clobColumnTemplate = "sym_clob_to_string('\"$(columnName)\"', '$(schemaName)$(tableName)', $(primaryKeyWhereString) )" ;
blobColumnTemplate = "sym_blob_to_string('\"$(columnName)\"', '$(schemaName)$(tableName)', $(primaryKeyWhereString) )" ;
wrappedBlobColumnTemplate = null;
booleanColumnTemplate = null;
triggerConcatCharacter = "||" ;
newTriggerValue = "new" ;
oldTriggerValue = "old" ;
oldColumnPrefix = "" ;
newColumnPrefix = "" ;
otherColumnTemplate = null;
sqlTemplates = new HashMap<String,String>();
sqlTemplates.put("insertTriggerTemplate" ,
"CREATE TRIGGER $(triggerName) \n" +
" AFTER INSERT ON $(schemaName)$(tableName) \n" +
" REFERENCING NEW AS NEW \n" +
" FOR EACH ROW MODE DB2SQL \n" +
" call $(prefixName)_save_data( \n" +
" case when $(syncOnInsertCondition) and $(syncOnIncomingBatchCondition) then 1 else 0 end, \n" +
" '$(defaultSchema)', '$(prefixName)', '$(targetTableName)', \n" +
" $(channelExpression), 'I', $(triggerHistoryId), \n" +
" $(txIdExpression), \n" +
" $(externalSelect), \n" +
" '$(columnNames)', \n" +
" '$(pkColumnNames)') \n" );
sqlTemplates.put("updateTriggerTemplate" ,
"CREATE TRIGGER $(triggerName) \n" +
" AFTER UPDATE ON $(schemaName)$(tableName) \n" +
" REFERENCING OLD AS OLD NEW AS NEW \n" +
" FOR EACH ROW MODE DB2SQL \n" +
" call $(prefixName)_save_data( \n" +
" case when $(syncOnUpdateCondition) and $(syncOnIncomingBatchCondition) then 1 else 0 end, \n" +
" '$(defaultSchema)', '$(prefixName)', '$(targetTableName)', \n" +
" $(channelExpression), 'U', $(triggerHistoryId), \n" +
" $(txIdExpression), \n" +
" $(externalSelect), \n" +
" '$(columnNames)', \n" +
" '$(pkColumnNames)') \n" );
sqlTemplates.put("deleteTriggerTemplate" ,
"CREATE TRIGGER $(triggerName) \n" +
" AFTER DELETE ON $(schemaName)$(tableName) \n" +
" REFERENCING OLD AS OLD \n" +
" FOR EACH ROW MODE DB2SQL \n" +
" call $(prefixName)_save_data( \n" +
" case when $(syncOnDeleteCondition) and $(syncOnIncomingBatchCondition) then 1 else 0 end, \n" +
" '$(defaultSchema)', '$(prefixName)', '$(targetTableName)', \n" +
" $(channelExpression), 'D', $(triggerHistoryId), \n" +
" $(txIdExpression), \n" +
" $(externalSelect), \n" +
" '$(columnNames)', \n" +
" '$(pkColumnNames)') \n" );
sqlTemplates.put("initialLoadSqlTemplate" ,
"select $(columns) from $(schemaName)$(tableName) t where $(whereClause) " );
//@formatter:on
}
@Override
protected String getPrimaryKeyWhereString(String alias, Column[] columns) {
List<Column> columnsMinusLobs = new ArrayList<Column>();
for (Column column : columns) {
if (!column.isOfBinaryType()) {
columnsMinusLobs.add(column);
}
}
StringBuilder b = new StringBuilder("'");
for (Column column : columnsMinusLobs) {
b.append("\"").append(column.getName()).append("\"=");
switch (column.getMappedTypeCode()) {
case Types.BIT:
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
case Types.FLOAT:
case Types.REAL:
case Types.DOUBLE:
case Types.NUMERIC:
case Types.DECIMAL:
case Types.BOOLEAN:
b.append("'").append(triggerConcatCharacter);
b.append("rtrim(char(").append(alias).append(".\"").append(column.getName())
.append("\"))");
b.append(triggerConcatCharacter).append("'");
break;
case Types.CHAR:
case Types.VARCHAR:
case Types.LONGVARCHAR:
b.append("'''").append(triggerConcatCharacter);
b.append(alias).append(".\"").append(column.getName()).append("\"");
b.append(triggerConcatCharacter).append("'''");
break;
case Types.DATE:
case Types.TIMESTAMP:
b.append("{ts '''").append(triggerConcatCharacter);
b.append("rtrim(char(").append(alias).append(".\"").append(column.getName())
.append("\"))");
b.append(triggerConcatCharacter).append("'''}");
break;
}
if (!column.equals(columnsMinusLobs.get(columnsMinusLobs.size() - 1))) {
b.append(" and ");
}
}
b.append("'");
return b.toString();
}
}