QueryGrouping (Data Pipeline JavaDoc)

java.lang.Object

com.northconcepts.datapipeline.jdbc.sql.SqlPart

com.northconcepts.datapipeline.jdbc.sql.select.QueryPart

com.northconcepts.datapipeline.jdbc.sql.select.QueryGrouping

public final class QueryGrouping extends QueryPart

The GROUP BY clause of a Select; renders nothing when it has no fields.

Constructor Summary

Constructors

Constructor

Description

QueryGrouping()

QueryGrouping(String... fields)
Method Summary

Modifier and Type

Method

Description

QueryGrouping

add(String... fields)

QueryGrouping

clear()

void

collectSqlFragment(CodeWriter writer)

Writes this part's SQL to the writer; used by SqlPart.getSqlFragment() and by enclosing parts.

List<String>

getFields()

boolean

isEmpty()

boolean

isNotEmpty()

Methods inherited from class com.northconcepts.datapipeline.jdbc.sql.SqlPart
collectParameterValues, getParameterValues, getSqlFragment, isPretty, printSqlParts, setPretty, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- QueryGrouping
  
  public QueryGrouping()
- QueryGrouping
  
  public QueryGrouping(String... fields)
Method Details
- isEmpty
  
  public boolean isEmpty()
- isNotEmpty
  
  public boolean isNotEmpty()
- clear
  
  public QueryGrouping clear()
- add
  
  public QueryGrouping add(String... fields)
- getFields
  
  public List<String> getFields()
- collectSqlFragment
  
  public void collectSqlFragment(CodeWriter writer)
  
  Description copied from class: SqlPart
  
  Writes this part's SQL to the writer; used by SqlPart.getSqlFragment() and by enclosing parts.
  
  Specified by:
  
  collectSqlFragment in class SqlPart