private String getCuid(RDBSchnauzer rep) {
String cuid = "";
if (rep.haveCUIDDefault()) {
cuid = CUID.getCuid(this.slaveDb.info);
if (rep.isCUIDDefaultText()) cuid = "'" + cuid + "'";
}
return cuid;
}
private String[] getInsertUpdateSql(
ColumnTypeHelper helper, WriteRowsEvent event, RDBSchnauzer rep)
throws UnsupportedEncodingException {
List<Row> rows = event.getRows();
BitColumn bCol = event.getUsedColumns().clone();
String InsertSql = rep.getInsertFields(bCol);
String[] sql = new String[rows.size()];
rep.setUsedColumn(bCol);
byte[] unsigntags = rep.getUnsignedTags();
String rowSql = "";
if (Tags.Verbose) LOGGER.info(rows.size() + Infos.Row);
int index = 0;
String cuid = "";
for (int j = 0; j < rows.size(); j++) {
rowSql = "";
Row row = rows.get(j);
List<Column> columns = row.getColumns();
if (!rep.needReplicate(columns)) continue;
cuid = getCuid(rep);
rowSql =
InsertSql
+ "("
+ helper.getValueStr(columns, bCol, unsigntags, rep.getFullFields())
+ rep.getDefStr()
+ cuid
+ ")";
rowSql +=
" ON duplicate KEY UPDATE "
+ helper.getUpdataStr(columns, rep.getColumnNames(), unsigntags, rep.getFullFields());
sql[index++] = rowSql;
}
return sql;
}
@Override
public boolean doDelete(ColumnTypeHelper helper, DeleteRowsEvent event) {
boolean need = false;
String[] sqls = null;
int index = 0;
doBeforeDelete(helper, event);
for (int i = 0; i < tables.size(); i++) {
RDBSchnauzer rep = (RDBSchnauzer) tables.get(i);
if (notEqualS(helper.databaseName, masterDb.dbname)) continue;
if (notEqualS(helper.tableName, rep.getMasterTableName())) continue;
List<Row> rows = event.getRows();
for (int j = 0; j < rows.size(); j++) {
Row row = rows.get(j);
List<Column> columns = row.getColumns();
if (sqls == null) {
sqls = new String[rows.size() * tables.size() + 1];
sqls[0] = getStatusUpdateSql(helper);
}
need = true;
try {
sqls[++index] = rep.getDelete() + getWhereStr(rep, columns, helper);
} catch (Exception e) {
mailAndLog(Infos.Create + Infos.DoDelete + Infos.Failed, e.getMessage());
return false;
}
}
}
String[] errInfo = new String[1];
if (!need || !logSql(sqls)) {
autoSetPosition(helper);
return true;
}
if (dbhelper.excuteSqlByTransaction(sqls, errInfo)) {
slaveDb.binlog = this.getBinLogName(helper);
slaveDb.pos = helper.position;
slaveDb.tablepos = helper.tableMapPos;
LOGGER.info(Infos.DoDelete + Infos.OK);
return true;
}
String sInfo = getWarning(sqls, errInfo);
mailAndLog(Infos.DoDelete + Infos.Failed, sInfo);
rollBackToTableEvent(helper);
return false;
}
private String[] getCommInsertSql(ColumnTypeHelper helper, WriteRowsEvent event, RDBSchnauzer rep)
throws UnsupportedEncodingException {
List<Row> rows = event.getRows();
BitColumn bCol = event.getUsedColumns().clone();
String[] sql = new String[1];
sql[0] = rep.getInsertFields(bCol);
rep.setUsedColumn(bCol);
byte[] unsigntags = rep.getUnsignedTags();
String sqlValue = "";
if (Tags.Verbose) LOGGER.info(rows.size() + Infos.Row);
String cuid = "";
for (int j = 0; j < rows.size(); j++) {
Row row = rows.get(j);
List<Column> columns = row.getColumns();
if (!rep.needReplicate(columns)) continue;
if (!sqlValue.isEmpty()) sqlValue += ",";
cuid = getCuid(rep);
sqlValue +=
"("
+ helper.getValueStr(columns, bCol, unsigntags, rep.getFullFields())
+ rep.getDefStr()
+ cuid
+ ")";
}
if (sqlValue.isEmpty()) {
sql[0] = "";
return sql;
}
sql[0] += sqlValue;
return sql;
}
private String[] getInsUpSqlSql(ColumnTypeHelper helper, WriteRowsEvent event, RDBSchnauzer rep)
throws UnsupportedEncodingException {
List<Row> rows = event.getRows();
BitColumn bCol = event.getUsedColumns().clone();
String InsertSql = rep.getInsertFields(bCol);
String sIfExistPre =
" set nocount off if not exists(select 1 from " + rep.getSlaveTableName() + " where ";
String updatePre = " UPDATE " + rep.getSlaveTableName() + " SET ";
String[] sql = new String[rows.size() * 4];
rep.setUsedColumn(bCol);
byte[] unsigntags = rep.getUnsignedTags();
String rowSql = "";
if (Tags.Verbose) LOGGER.info(rows.size() + Infos.Row);
int index = 0;
for (int j = 0; j < rows.size(); j++) {
rowSql = "";
Row row = rows.get(j);
List<Column> columns = row.getColumns();
if (!rep.needReplicate(columns)) continue;
rowSql = sIfExistPre + getWhereStr(rep, columns, helper) + ") ";
String cuid = getCuid(rep);
rowSql +=
InsertSql
+ "("
+ helper.getValueStr(columns, bCol, unsigntags, rep.getFullFields())
+ rep.getDefStr()
+ cuid
+ ")";
rowSql += " else ";
rowSql +=
updatePre
+ helper.getUpdataStr(columns, rep.getColumnNames(), unsigntags, rep.getFullFields())
+ " where "
+ getWhereStr(rep, columns, helper)
+ " ";
sql[index++] = rowSql;
}
return sql;
}
@Override
public boolean doUpdate(ColumnTypeHelper helper, UpdateRowsEvent event) {
String preSql = "";
String aftSql = "";
boolean doOne = false;
String[] sqls = null;
int sqlsIndex = 0;
doBeforeUpdate(helper, event);
for (int i = 0; i < tables.size(); i++) {
RDBSchnauzer rep = (RDBSchnauzer) tables.get(i);
if (notEqualS(helper.databaseName, this.masterDb.dbname)) continue;
if (notEqualS(helper.tableName, rep.getMasterTableName())) continue;
List<Pair<Row>> rows = event.getRows();
String[] tableSqls = new String[rows.size() + 1];
int pos = 1;
byte[] unsigntags = rep.getUnsignedTags();
for (int j = 0; j < rows.size(); j++) {
String sql = "Update " + rep.getSlaveTableName() + " set ";
Pair<Row> pRow = rows.get(j);
Row row = pRow.getAfter();
Row preRow = pRow.getBefore();
List<Column> columns = row.getColumns();
List<Column> pcolumns = preRow.getColumns();
if (!rep.needReplicate(columns)) continue;
try {
preSql =
helper.getUpdataStr(pcolumns, rep.getColumnNames(), unsigntags, rep.getFullFields());
aftSql =
helper.getUpdataStr(columns, rep.getColumnNames(), unsigntags, rep.getFullFields());
} catch (Exception e) {
mailAndLog(Infos.Create + Infos.DoUpdate + Infos.Failed, e.getMessage());
return false;
}
if (isEqualS(preSql, aftSql)) continue;
sql += aftSql;
try {
sql += " where " + getWhereStr(rep, columns, helper);
} catch (Exception e) {
mailAndLog(Infos.Create + Infos.DoUpdate + Infos.Failed, e.getMessage());
return false;
}
tableSqls[pos++] = sql;
doOne = true;
}
if (sqls == null) {
sqls = new String[tables.size() * rows.size() + 1];
for (int k = 0; k < sqls.length; k++) sqls[k] = "";
sqls[0] = getStatusUpdateSql(helper);
}
int sIndex = 0;
for (int j = 0; j < tableSqls.length; j++) {
sIndex = (sqlsIndex + 1);
if ((tableSqls[j] == null) || (tableSqls[j].isEmpty())) continue;
if ((sqls[sIndex] != null) && (!sqls[sIndex].isEmpty())) sqls[i + 1] += ";";
sqls[++sqlsIndex] += tableSqls[j];
}
}
String[] errInfo = new String[1];
if (!doOne || !logSql(sqls)) {
autoSetPosition(helper);
return true;
}
if (dbhelper.excuteSqlByTransaction(sqls, errInfo)) {
this.slaveDb.binlog = this.getBinLogName(helper);
this.slaveDb.pos = helper.position;
this.slaveDb.tablepos = helper.tableMapPos;
LOGGER.info(Infos.DoUpdate + Infos.OK);
return true;
}
String sInfo = getWarning(sqls, errInfo);
mailAndLog(Infos.DoUpdate + Infos.Failed, sInfo);
this.slaveDb.errorMsg = "Update command faild";
HeartBeatInfo hinfo = new HeartBeatInfo();
ConfigGetHelper conf = new ConfigGetHelper(Integer.toString(this.slaveDb.masterID));
conf.getHeartBeatSet(hinfo);
if (hinfo.port > 0 && !hinfo.host.isEmpty()) {
LOGGER.info(Infos.SendErrorInfo);
LocalInfo info = LocalInfoGetter.getLocalInfo();
hinfo.SerialNo = info.getSNStr();
HeartBeatSender beatSender = new HeartBeatSender(this.masterDb, this.slaveDb, hinfo);
beatSender.sendError();
}
rollBackToTableEvent(helper);
return false;
}