final FieldList getSelect1() {
if (getSelect0().isEmpty()) {
FieldList result = new SelectFieldList();
// [#109] [#489]: SELECT * is only applied when at least one table
// from the table source is "unknown", i.e. not generated from a
// physical table. Otherwise, the fields are selected explicitly
if (knownTableSource()) {
for (TableLike<?> table : getFrom()) {
for (Field<?> field : table.asTable().fields()) {
result.add(field);
}
}
}
// The default is SELECT 1, when projections and table sources are
// both empty
if (getFrom().isEmpty()) {
result.add(one());
}
return result;
}
return getSelect0();
}
@Override
public List<ConnectorStatus> getChargePointConnectorStatus() {
// Prepare for the inner select of the second join
Field<Integer> t1Pk = CONNECTOR_STATUS.CONNECTOR_PK.as("t1_pk");
Field<DateTime> t1Max = DSL.max(CONNECTOR_STATUS.STATUS_TIMESTAMP).as("t1_max");
TableLike<?> t1 =
ctx.select(t1Pk, t1Max)
.from(CONNECTOR_STATUS)
.groupBy(CONNECTOR_STATUS.CONNECTOR_PK)
.asTable("t1");
return ctx.select(
CHARGE_BOX.CHARGE_BOX_PK,
CONNECTOR.CHARGE_BOX_ID,
CONNECTOR.CONNECTOR_ID,
CONNECTOR_STATUS.STATUS_TIMESTAMP,
CONNECTOR_STATUS.STATUS,
CONNECTOR_STATUS.ERROR_CODE)
.from(CONNECTOR_STATUS)
.join(CONNECTOR)
.onKey()
.join(CHARGE_BOX)
.on(CHARGE_BOX.CHARGE_BOX_ID.eq(CONNECTOR.CHARGE_BOX_ID))
.join(t1)
.on(CONNECTOR_STATUS.CONNECTOR_PK.equal(t1.field(t1Pk)))
.and(CONNECTOR_STATUS.STATUS_TIMESTAMP.equal(t1.field(t1Max)))
.orderBy(CONNECTOR_STATUS.STATUS_TIMESTAMP.desc())
.fetch()
.map(
r ->
ConnectorStatus.builder()
.chargeBoxPk(r.value1())
.chargeBoxId(r.value2())
.connectorId(r.value3())
.timeStamp(DateTimeUtils.humanize(r.value4()))
.status(r.value5())
.errorCode(r.value6())
.build());
}
SelectQueryImpl(Configuration configuration, TableLike<? extends R> from, boolean distinct) {
super(configuration);
this.distinct = distinct;
this.select = new SelectFieldList();
this.from = new TableList();
this.condition = new ConditionProviderImpl();
this.connectBy = new ConditionProviderImpl();
this.connectByStartWith = new ConditionProviderImpl();
this.groupBy = new QueryPartList<GroupField>();
this.having = new ConditionProviderImpl();
this.orderBy = new SortFieldList();
this.limit = new Limit();
if (from != null) {
this.from.add(from.asTable());
}
this.forUpdateOf = new FieldList();
this.forUpdateOfTables = new TableList();
}
@Override
public final void addFrom(Collection<? extends TableLike<?>> f) {
for (TableLike<?> provider : f) {
getFrom().add(provider.asTable());
}
}