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[jOOQ/jOOQ#15104] InlineDerivedTable should wrap query lazily

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This commit is contained in:
Lukas Eder 2023-05-23 16:42:40 +02:00
parent b18a54f512
commit 81111b901b
2 changed files with 10 additions and 10 deletions
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18
jOOQ/src/main/java/org/jooq/impl/DerivedTable.java
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@ -66,21 +66,21 @@ import org.jooq.TableOptions;
*/
class DerivedTable<R extends Record> extends AbstractTable<R> implements QOM.DerivedTable<R> {
static final Set<SQLDialect> NO_SUPPORT_CORRELATED_DERIVED_TABLE = SQLDialect.supportedUntil(DERBY, H2, MARIADB);
private final Select<R> query;
static final Set<SQLDialect> NO_SUPPORT_CORRELATED_DERIVED_TABLE = SQLDialect.supportedUntil(DERBY, H2, MARIADB);
private final Lazy<Select<R>> query;
DerivedTable(Select<R> query) {
this(query, N_T);
this(Lazy.of(() -> query), N_T);
}
DerivedTable(Select<R> query, Name name) {
DerivedTable(Lazy<Select<R>> query, Name name) {
super(TableOptions.expression(), name);
this.query = query;
}
final Select<R> query() {
return query;
return query.get();
}
@Override
@ -95,12 +95,12 @@ class DerivedTable<R extends Record> extends AbstractTable<R> implements QOM.Der
@Override
/* non-final */ FieldsImpl<R> fields0() {
return new FieldsImpl<>(query.getSelect());
return new FieldsImpl<>(query().getSelect());
}
@Override
public final Class<? extends R> getRecordType() {
return query.getRecordType();
return query().getRecordType();
}
@Override
@ -109,7 +109,7 @@ class DerivedTable<R extends Record> extends AbstractTable<R> implements QOM.Der
visitSubquery(ctx, query, DERIVED_TABLE, false);
visitSubquery(ctx, query(), DERIVED_TABLE, false);
}
@Override // Avoid AbstractTable implementation
@ -128,6 +128,6 @@ class DerivedTable<R extends Record> extends AbstractTable<R> implements QOM.Der
@Override
public final Select<R> $arg1() {
return query;
return query();
}
}

2
jOOQ/src/main/java/org/jooq/impl/InlineDerivedTable.java
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@ -62,7 +62,7 @@ final class InlineDerivedTable<R extends Record> extends DerivedTable<R> {
}
InlineDerivedTable(Table<R> table, Condition condition) {
super(selectFrom(table).where(condition), table.getUnqualifiedName());
super(Lazy.of(() -> selectFrom(table).where(condition)), table.getUnqualifiedName());
this.table = table;
this.condition = condition;