接口的使用
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item.ProjectionSegment

使用ProjectionSegment的程序包

程序包	说明
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.simple
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.pagination.top

org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.simple中ProjectionSegment的使用

实现ProjectionSegment的org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.simple中的类

限定符和类型	类和说明
class	ParameterMarkerExpressionSegment Parameter marker expression segment.

org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item中ProjectionSegment的使用

实现ProjectionSegment的org.apache.shardingsphere.sql.parser.sql.common.segment.dml.item中的类

限定符和类型	类和说明
class	AggregationDistinctProjectionSegment Aggregation distinct projection segment.
class	AggregationProjectionSegment Aggregation projection segment.
class	ColumnProjectionSegment Column projection segment.
class	ExpressionProjectionSegment Expression projection segment.
class	ShorthandProjectionSegment Shorthand projection segment.
class	SubqueryProjectionSegment Subquery projection segment.

org.apache.shardingsphere.sql.parser.sql.common.segment.dml.pagination.top中ProjectionSegment的使用

实现ProjectionSegment的org.apache.shardingsphere.sql.parser.sql.common.segment.dml.pagination.top中的类

限定符和类型	类和说明
class	TopProjectionSegment Top projection segment.