public Connection executeBatch() throws Sql2oException {
long start = System.currentTimeMillis();
try {
logExecution();
PreparedStatement statement = buildPreparedStatement();
connection.setBatchResult(statement.executeBatch());
this.currentBatchRecords = 0;
try {
connection.setKeys(this.returnGeneratedKeys ? statement.getGeneratedKeys() : null);
connection.setCanGetKeys(this.returnGeneratedKeys);
} catch (SQLException sqlex) {
throw new Sql2oException(
"Error while trying to fetch generated keys from database. If you are not expecting any generated keys, fix this error by setting the fetchGeneratedKeys parameter in the createQuery() method to 'false'",
sqlex);
}
} catch (Throwable e) {
this.connection.onException();
throw new Sql2oException("Error while executing batch operation: " + e.getMessage(), e);
} finally {
closeConnectionIfNecessary();
}
long end = System.currentTimeMillis();
logger.debug(
"total: {} ms; executed batch [{}]",
new Object[] {end - start, this.getName() == null ? "No name" : this.getName()});
return this.connection;
}
public <V> V executeScalar(Class<V> returnType) {
try {
Converter<V> converter;
//noinspection unchecked
converter = throwIfNull(returnType, getQuirks().converterOf(returnType));
//noinspection unchecked
logExecution();
return executeScalar(converter);
} catch (ConverterException e) {
throw new Sql2oException(
"Error occured while converting value from database to type " + returnType, e);
}
}
public Connection executeUpdate() {
long start = System.currentTimeMillis();
try {
logExecution();
PreparedStatement statement = buildPreparedStatement();
this.connection.setResult(statement.executeUpdate());
this.connection.setKeys(this.returnGeneratedKeys ? statement.getGeneratedKeys() : null);
connection.setCanGetKeys(this.returnGeneratedKeys);
} catch (SQLException ex) {
this.connection.onException();
throw new Sql2oException("Error in executeUpdate, " + ex.getMessage(), ex);
} finally {
closeConnectionIfNecessary();
}
long end = System.currentTimeMillis();
logger.debug(
"total: {} ms; executed update [{}]",
new Object[] {end - start, this.getName() == null ? "No name" : this.getName()});
return this.connection;
}
public Object executeScalar() {
long start = System.currentTimeMillis();
try {
logExecution();
ResultSet rs = buildPreparedStatement().executeQuery();
if (rs.next()) {
Object o = getQuirks().getRSVal(rs, 1);
long end = System.currentTimeMillis();
logger.debug(
"total: {} ms; executed scalar [{}]",
new Object[] {end - start, this.getName() == null ? "No name" : this.getName()});
return o;
} else {
return null;
}
} catch (SQLException e) {
this.connection.onException();
throw new Sql2oException(
"Database error occurred while running executeScalar: " + e.getMessage(), e);
} finally {
closeConnectionIfNecessary();
}
}
