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• MySqlTriggerTemplate.java

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org.jumpmind.symmetric.db.mysql.MySqlTriggerTemplate Maven / Gradle / Ivy

/**
 * 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
 * .
 *
 * 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.mysql;

import java.util.HashMap;

import org.jumpmind.symmetric.db.AbstractTriggerTemplate;
import org.jumpmind.symmetric.db.ISymmetricDialect;

public class MySqlTriggerTemplate extends AbstractTriggerTemplate {

    public MySqlTriggerTemplate(ISymmetricDialect symmetricDialect) {
        super(symmetricDialect);
        emptyColumnTemplate = "''" ;
        stringColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',replace(replace($(tableAlias).`$(columnName)`,'\\\\','\\\\\\\\'),'\"','\\\\\"'),'\"'))" ;
        geometryColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',replace(replace(astext($(tableAlias).`$(columnName)`),'\\\\','\\\\\\\\'),'\"','\\\\\"'),'\"'))" ;
        numberColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',cast($(tableAlias).`$(columnName)` as char),'\"'))" ;
        datetimeColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',cast($(tableAlias).`$(columnName)` as char),'\"'))" ;
        clobColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',replace(replace($(tableAlias).`$(columnName)`,'\\\\','\\\\\\\\'),'\"','\\\\\"'),'\"'))" ;
        blobColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',hex($(tableAlias).`$(columnName)`),'\"'))" ;
        booleanColumnTemplate = "if($(tableAlias).`$(columnName)` is null,'',concat('\"',cast($(tableAlias).`$(columnName)` as unsigned),'\"'))" ;
        triggerConcatCharacter = "," ;
        newTriggerValue = "new" ;
        oldTriggerValue = "old" ;
        oldColumnPrefix = "" ;
        newColumnPrefix = "" ;

        sqlTemplates = new HashMap();
        sqlTemplates.put("insertTriggerTemplate" ,
"create trigger $(triggerName) after insert on $(schemaName)$(tableName)                                                                                                                                " +
"                                for each row begin                                                                                                                                                     " +
"                                  if $(syncOnInsertCondition) and $(syncOnIncomingBatchCondition) then                                                                                                 " +
"                                    insert into $(defaultCatalog)$(prefixName)_data (table_name, event_type, trigger_hist_id, row_data, channel_id, transaction_id, source_node_id, external_data, create_time)" +
"                                    values(                                                                                                                                                            " +
"                                      '$(targetTableName)',                                                                                                                                            " +
"                                      'I',                                                                                                                                                             " +
"                                      $(triggerHistoryId),                                                                                                                                             " +
"                                      concat($(columns)                                                                                                                                                " +
"                                       ),                                                                                                                                                              " +
"                                      '$(channelName)', $(txIdExpression), @sync_node_disabled,                                                                                                        " +
"                                      $(externalSelect),                                                                                                                                               " +
"                                      CURRENT_TIMESTAMP                                                                                                                                                " +
"                                    );                                                                                                                                                                 " +
"                                  end if;                                                                                                                                                              " +
"                                  $(custom_on_insert_text)                                                                                                                                                " +
"                                end                                                                                                                                                                    " );

        sqlTemplates.put("updateTriggerTemplate" ,
"create trigger $(triggerName) after update on $(schemaName)$(tableName)                                                                                                                                " +
"                                for each row begin                                                                                                                                                     " +
"                                  DECLARE var_row_data mediumtext character set utf8;                                                                                                                                      " +
"                                  DECLARE var_old_data mediumtext character set utf8;                                                                                                                                     " +
"                                  if $(syncOnUpdateCondition) and $(syncOnIncomingBatchCondition) then                                                                                                 " +
"                                   set var_row_data = concat($(columns));                                                                                                                              " +
"                                   set var_old_data = concat($(oldColumns));                                                                                                                           " +
"                                   if $(dataHasChangedCondition) then                                                                                                                                  " +
"	                                    insert into $(defaultCatalog)$(prefixName)_data (table_name, event_type, trigger_hist_id, pk_data, row_data, old_data, channel_id, transaction_id, source_node_id, external_data, create_time)" +
"	                                    values(                                                                                                                                                           " +
"	                                      '$(targetTableName)',                                                                                                                                           " +
"	                                      'U',                                                                                                                                                            " +
"	                                      $(triggerHistoryId),                                                                                                                                            " +
"	                                      concat($(oldKeys)                                                                                                                                               " +
"	                                       ),                                                                                                                                                             " +
"	                                      var_row_data,                                                                                                                                                   " +
"	                                      var_old_data,                                                                                                                                                   " +
"	                                      '$(channelName)', $(txIdExpression), @sync_node_disabled,                                                                                                       " +
"	                                      $(externalSelect),                                                                                                                                              " +
"	                                      CURRENT_TIMESTAMP                                                                                                                                               " +
"	                                    );                                                                                                                                                                " +
"	                                end if;                                                                                                                                                               " +
"                                  end if;                                                                                                                                                                " +
"                                  $(custom_on_update_text)                                                                                                                                                  " +
"                                end                                                                                                                                                                      " );

        sqlTemplates.put("deleteTriggerTemplate" ,
"create trigger $(triggerName) after delete on $(schemaName)$(tableName)                                                                                                                                " +
"                                for each row begin                                                                                                                                                     " +
"                                  if $(syncOnDeleteCondition) and $(syncOnIncomingBatchCondition) then                                                                                                 " +
"                                    insert into $(defaultCatalog)$(prefixName)_data (table_name, event_type, trigger_hist_id, pk_data, old_data, channel_id, transaction_id, source_node_id, external_data, create_time)" +
"                                    values(                                                                                                                                                            " +
"                                      '$(targetTableName)',                                                                                                                                            " +
"                                      'D',                                                                                                                                                             " +
"                                      $(triggerHistoryId),                                                                                                                                             " +
"                                      concat($(oldKeys)                                                                                                                                                " +
"                                       ),                                                                                                                                                              " +
"                                       concat($(oldColumns)                                                                                                                                            " +
"                                       ),                                                                                                                                                              " +
"                                      '$(channelName)', $(txIdExpression), @sync_node_disabled,                                                                                                        " +
"                                      $(externalSelect),                                                                                                                                               " +
"                                      CURRENT_TIMESTAMP                                                                                                                                                " +
"                                    );                                                                                                                                                                 " +
"                                  end if;                                                                                                                                                              " +
"                                  $(custom_on_delete_text)                                                                                                                                                " +
"                                end                                                                                                                                                                    " );

        sqlTemplates.put("initialLoadSqlTemplate" ,
"select concat($(columns)) from $(schemaName)$(tableName) t where $(whereClause)                                                                                                                        " );
    }

}