Package adql.query.from
Class InnerJoin
- java.lang.Object
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- adql.query.from.ADQLJoin
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- adql.query.from.InnerJoin
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- All Implemented Interfaces:
ADQLObject
,FromContent
- Direct Known Subclasses:
SQLServer_InnerJoin
public class InnerJoin extends ADQLJoin
Inner join.
Possible syntaxes:
- T1 [INNER] JOIN T2 ON <condition>
- T1 [INNER] JOIN T2 USING(<columns list>)
- T1 NATURAL [INNER] JOIN T2
- Version:
- 08/2011
- Author:
- Grégory Mantelet (CDS)
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Field Summary
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Fields inherited from class adql.query.from.ADQLJoin
condition, lstColumns, natural
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Constructor Summary
Constructors Constructor Description InnerJoin(FromContent left, FromContent right)
Builds a NATURAL INNER JOIN between the two given "tables".InnerJoin(FromContent left, FromContent right, ClauseConstraints condition)
Builds an INNER JOIN between the two given "tables" with the given condition.InnerJoin(FromContent left, FromContent right, java.util.Collection<ADQLColumn> lstColumns)
Builds an INNER JOIN between the two given "tables" with the list of columns to join.InnerJoin(InnerJoin toCopy)
Builds a copy of the given INNER join.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ADQLObject
getCopy()
Gets a (deep) copy of this ADQL object.java.lang.String
getJoinType()
Gets the type of this join.-
Methods inherited from class adql.query.from.ADQLJoin
addAllExcept, adqlIterator, findAtMostOneColumn, findExactlyOneColumn, getDBColumns, getJoinCondition, getJoinedColumns, getLeftTable, getName, getPosition, getRightTable, getTables, getTablesByAlias, hasJoinedColumns, isCommonColumn, isNatural, setJoinCondition, setJoinedColumns, setLeftTable, setNatural, setPosition, setRightTable, toADQL
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Constructor Detail
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InnerJoin
public InnerJoin(FromContent left, FromContent right)
Builds a NATURAL INNER JOIN between the two given "tables".- Parameters:
left
- Left "table".right
- Right "table".- See Also:
ADQLJoin(FromContent, FromContent)
,ADQLJoin.setNatural(boolean)
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InnerJoin
public InnerJoin(FromContent left, FromContent right, ClauseConstraints condition)
Builds an INNER JOIN between the two given "tables" with the given condition.- Parameters:
left
- Left "table".right
- Right "table".condition
- Join condition.- See Also:
ADQLJoin(FromContent, FromContent)
,ADQLJoin.setJoinCondition(ClauseConstraints)
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InnerJoin
public InnerJoin(FromContent left, FromContent right, java.util.Collection<ADQLColumn> lstColumns)
Builds an INNER JOIN between the two given "tables" with the list of columns to join.- Parameters:
left
- Left "table".right
- Right "table".lstColumns
- List of columns to join.- See Also:
ADQLJoin(FromContent, FromContent)
,ADQLJoin.setJoinedColumns(Collection)
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InnerJoin
public InnerJoin(InnerJoin toCopy) throws java.lang.Exception
Builds a copy of the given INNER join.- Parameters:
toCopy
- The INNER join to copy.- Throws:
java.lang.Exception
- If there is an error during the copy.- See Also:
ADQLJoin(ADQLJoin)
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Method Detail
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getJoinType
public java.lang.String getJoinType()
Description copied from class:ADQLJoin
Gets the type of this join.- Specified by:
getJoinType
in classADQLJoin
- Returns:
- Its join type (i.e. CROSS JOIN, LEFT JOIN, LEFT OUTER JOIN, ...).
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getCopy
public ADQLObject getCopy() throws java.lang.Exception
Description copied from interface:ADQLObject
Gets a (deep) copy of this ADQL object.- Specified by:
getCopy
in interfaceADQLObject
- Specified by:
getCopy
in classADQLJoin
- Returns:
- The copy of this ADQL object.
- Throws:
java.lang.Exception
- If there is any error during the copy.
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