package org.jooq.impl;
import static org.jooq.Clause.CONDITION;
import static org.jooq.Clause.CONDITION_OVERLAPS;
import static org.jooq.SQLDialect.CUBRID;
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
import static org.jooq.SQLDialect.H2;
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MARIADB;
import static org.jooq.SQLDialect.MYSQL;
import static org.jooq.SQLDialect.SQLITE;
import static org.jooq.impl.Internal.iadd;
import static org.jooq.impl.Keywords.K_OVERLAPS;
import static org.jooq.impl.Tools.castIfNeeded;
import java.util.Set;
import org.jooq.Clause;
import org.jooq.Context;
import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.Row2;
import org.jooq.SQLDialect;
final class RowOverlapsCondition<T1, T2> extends AbstractCondition {
private static final long serialVersionUID = 85887551884667824L;
private static final Clause[] CLAUSES = { CONDITION, CONDITION_OVERLAPS };
private static final Set<SQLDialect> EMULATE_NON_STANDARD_OVERLAPS = SQLDialect.supportedUntil(CUBRID, DERBY, FIREBIRD, H2, MARIADB, MYSQL, SQLITE);
private static final Set<SQLDialect> EMULATE_INTERVAL_OVERLAPS = SQLDialect.supportedBy(HSQLDB);
private final Row2<T1, T2> left;
private final Row2<T1, T2> right;
RowOverlapsCondition(Row2<T1, T2> left, Row2<T1, T2> right) {
this.left = left;
this.right = right;
}
@Override
public final void accept(Context<?> ctx) {
Field<T1> left1 = left.field1();
Field<T2> left2 = left.field2();
Field<T1> right1 = right.field1();
Field<T2> right2 = right.field2();
DataType<?> type0 = left1.getDataType();
DataType<?> type1 = left2.getDataType();
boolean standardOverlaps = type0.isDateTime() && type1.isTemporal();
boolean intervalOverlaps = type0.isDateTime() && (type1.isInterval() || type1.isNumeric());
if (!standardOverlaps || EMULATE_NON_STANDARD_OVERLAPS.contains(ctx.dialect())) {
if (intervalOverlaps)
ctx.visit(right1.le(iadd(left1, left2)).and(left1.le(iadd(right1, right2))));
else
ctx.visit(right1.le(castIfNeeded(left2, right1)).and(left1.le(castIfNeeded(right2, left1))));
}
else if (intervalOverlaps && EMULATE_INTERVAL_OVERLAPS.contains(ctx.dialect()))
ctx.visit(right1.le(iadd(left1, left2)).and(left1.le(iadd(right1, right2))));
else
ctx.sql('(').visit(left)
.sql(' ').visit(K_OVERLAPS)
.sql(' ').visit(right)
.sql(')');
}
@Override
public final Clause[] clauses(Context<?> ctx) {
return null;
}
}