本文整理了Java中com.yahoo.squidb.sql.Query.fork方法的一些代码示例，展示了Query.fork的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.fork方法的具体详情如下：
包路径：com.yahoo.squidb.sql.Query
类名称：Query
方法名：fork
暂无
代码示例来源：origin: yahoo/squidb
/**
* Add a {@link Criterion} to the HAVING clause of this query. Multiple calls will combine all the criterions with
* AND.
*
* @param criterion the Criterion to add to the HAVING clause
* @return this Query object, to allow chaining method calls
*/
public Query having(Criterion criterion) {
if (criterion == null) {
return this;
}
if (immutable) {
return fork().having(criterion);
}
if (this.havings == null) {
this.havings = new ArrayList<>();
}
this.havings.add(criterion);
invalidateCompileCache();
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Set the {@link SqlTable table} this query selects from
*
* @param table the table to select from
* @return this Query object, to allow chaining method calls
*/
public Query from(SqlTable<?> table) {
if (immutable) {
return fork().from(table);
}
if (this.table != table) {
this.table = table;
if (selectAllCache != null) {
selectAllCache.clear();
}
invalidateCompileCache();
}
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add a {@link Criterion} to the WHERE clause of this query. Multiple calls will combine all the criterions with
* AND.
*
* @param criterion the Criterion to add to the WHERE clause
* @return this Query object, to allow chaining method calls
*/
public Query where(Criterion criterion) {
if (criterion == null) {
return this;
}
if (immutable) {
return fork().where(criterion);
}
if (criterions == null) {
criterions = new ArrayList<>();
}
criterions.add(criterion);
invalidateCompileCache();
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add more {@link Field Fields} to be selected
*
* @param fields the additional Fields to be selected
* @return this Query object, to allow chaining method calls
*/
public Query selectMore(List<Field<?>> fields) {
if (immutable) {
return fork().selectMore(fields);
}
if (!isEmpty(fields)) {
if (this.fields == null) {
this.fields = new ArrayList<>(fields);
} else {
this.fields.addAll(fields);
}
if (selectAllCache != null) {
selectAllCache.clear();
}
invalidateCompileCache();
}
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add a {@link Join} to this query
*
* @param joins one or more joins to apply to this query
* @return this Query object, to allow chaining method calls
*/
public Query join(Join... joins) {
if (immutable) {
return fork().join(joins);
}
if (this.joins == null) {
this.joins = new ArrayList<>();
}
SquidUtilities.addAll(this.joins, joins);
if (selectAllCache != null) {
selectAllCache.clear();
}
invalidateCompileCache();
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add a GROUP BY clause (or an additional grouping term) to this query
*
* @param fields one or more Fields to group on
* @return this Query object, to allow chaining method calls
*/
public Query groupBy(Field<?>... fields) {
if (immutable) {
return fork().groupBy(fields);
}
if (this.groupByFields == null) {
this.groupByFields = new ArrayList<>();
}
SquidUtilities.addAll(this.groupByFields, fields);
invalidateCompileCache();
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add an ORDER BY clause (or an additional ordering term) to this query
*
* @param orders one or more ordering terms
* @return this Query object, to allow chaining method calls
*/
public Query orderBy(Order... orders) {
if (immutable) {
return fork().orderBy(orders);
}
if (this.orders == null) {
this.orders = new ArrayList<>();
}
SquidUtilities.addAll(this.orders, orders);
invalidateCompileCache();
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Form a compound select with the given query using the INTERSECT operator
*
* @param query a Query object to append with the INTERSECT operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query intersect(Query query) {
if (immutable) {
return fork().intersect(query);
}
addCompoundSelect(CompoundSelect.intersect(query));
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Form a compound select with the given query using the EXCEPT operator
*
* @param query a Query object to append with the EXCEPT operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query except(Query query) {
if (immutable) {
return fork().except(query);
}
addCompoundSelect(CompoundSelect.except(query));
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Form a compound select with the given query using the UNION operator
*
* @param query a Query object to append with the UNION operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query union(Query query) {
if (immutable) {
return fork().union(query);
}
addCompoundSelect(CompoundSelect.union(query));
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Form a compound select with the given query using the UNION ALL operator
*
* @param query a Query object to append with the UNION ALL operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query unionAll(Query query) {
if (immutable) {
return fork().unionAll(query);
}
addCompoundSelect(CompoundSelect.unionAll(query));
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Add more {@link Field Fields} to be selected
*
* @param fields the additional Fields to be selected
* @return this Query object, to allow chaining method calls
*/
public Query selectMore(Field<?>... fields) {
if (immutable) {
return fork().selectMore(fields);
}
if (!isEmpty(fields)) {
if (this.fields == null) {
this.fields = new ArrayList<>();
}
SquidUtilities.addAll(this.fields, fields);
if (selectAllCache != null) {
selectAllCache.clear();
}
invalidateCompileCache();
}
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Set the limit of this statement as a SQL expression; e.g. a {@link Function} or the result of
* {@link #asFunction()} to use a subquery. Use {@link #NO_LIMIT} to remove the limit.
*
* @param limit the maximum number of rows this query should return
* @return this Query object, to allow chaining method calls
*/
public Query limit(Field<Integer> limit) {
if (limit == null) {
limit = NO_LIMIT;
}
if (immutable) {
return fork().limit(limit);
}
if (!this.limit.equals(limit)) {
this.limit = limit;
invalidateCompileCache();
}
return this;
}代码示例来源：origin: yahoo/squidb
/**
* Set the limit of this statement as a SQL expression; e.g. a {@link Function} or the result of
* {@link #asFunction()} to use a subquery. Use {@link #NO_LIMIT} for limit to remove the limit. Use
* {@link #NO_OFFSET} for offset to remove the offset.
*
* @param limit the maximum number of rows this query should return
* @param offset the number of rows this query should skip
* @return this Query object, to allow chaining method calls
*/
public Query limit(Field<Integer> limit, Field<Integer> offset) {
if (limit == null) {
limit = NO_LIMIT;
}
if (offset == null) {
offset = NO_OFFSET;
}
if (immutable) {
return fork().limit(limit, offset);
}
if (!this.limit.equals(limit) || !this.offset.equals(offset)) {
this.limit = limit;
this.offset = offset;
invalidateCompileCache();
}
return this;
}代码示例来源：origin: yahoo/squidb
public void testFork() {
Query base = Query.select().from(Employee.TABLE).limit(1);
Query fork = base.fork().limit(2);
base.limit(3);
assertFalse(base == fork);
assertEquals(Field.field("3"), base.getLimit());
assertEquals(Field.field("2"), fork.getLimit());
assertEquals(base.getTable(), fork.getTable());
}代码示例来源：origin: com.yahoo.squidb/squidb
/**
* Add a GROUP BY clause (or an additional grouping term) to this query
*
* @param fields one or more Fields to group on
* @return this Query object, to allow chaining method calls
*/
public Query groupBy(Field<?>... fields) {
if (immutable) {
return fork().groupBy(fields);
}
if (this.groupByFields == null) {
this.groupByFields = new ArrayList<>();
}
SquidUtilities.addAll(this.groupByFields, fields);
invalidateCompileCache();
return this;
}代码示例来源：origin: com.yahoo.squidb/squidb
/**
* Form a compound select with the given query using the INTERSECT operator
*
* @param query a Query object to append with the INTERSECT operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query intersect(Query query) {
if (immutable) {
return fork().intersect(query);
}
addCompoundSelect(CompoundSelect.intersect(query));
return this;
}代码示例来源：origin: com.yahoo.squidb/squidb
/**
* Form a compound select with the given query using the EXCEPT operator
*
* @param query a Query object to append with the EXCEPT operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query except(Query query) {
if (immutable) {
return fork().except(query);
}
addCompoundSelect(CompoundSelect.except(query));
return this;
}代码示例来源：origin: com.yahoo.squidb/squidb
/**
* Form a compound select with the given query using the UNION operator
*
* @param query a Query object to append with the UNION operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query union(Query query) {
if (immutable) {
return fork().union(query);
}
addCompoundSelect(CompoundSelect.union(query));
return this;
}代码示例来源：origin: com.yahoo.squidb/squidb
/**
* Form a compound select with the given query using the UNION ALL operator
*
* @param query a Query object to append with the UNION ALL operator
* @return this Query object, to allow chaining method calls
* @see <a href="http://www.sqlite.org/lang_select.html#compound">http://www.sqlite.org/lang_select.html#compound</a>
*/
public Query unionAll(Query query) {
if (immutable) {
return fork().unionAll(query);
}
addCompoundSelect(CompoundSelect.unionAll(query));
return this;
}内容来源于网络，如有侵权，请联系作者删除！