Package adql.query.from
Interface FromContent
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- All Superinterfaces:
ADQLObject
- All Known Implementing Classes:
ADQLJoin
,ADQLTable
,CrossJoin
,InnerJoin
,OuterJoin
,SQLServer_InnerJoin
,SQLServer_OuterJoin
public interface FromContent extends ADQLObject
Represents the content of the whole or a part of the clause FROM. It could be either a table (ADQLTable
) or a join (ADQLJoin
).- Version:
- 1.4 (09/2017)
- Author:
- Grégory Mantelet (CDS;ARI)
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description SearchColumnList
getDBColumns()
Gets the list of all columns (~ database metadata) available in this FROM part.java.util.List<ADQLTable>
getTables()
java.util.List<ADQLTable>
getTablesByAlias(java.lang.String alias, boolean caseSensitive)
Gets all the table whose the alias is equals to the given one.void
setPosition(TextPosition position)
Set the position of thisFromContent
in the given ADQL query string.-
Methods inherited from interface adql.query.ADQLObject
adqlIterator, getCopy, getName, getPosition, toADQL
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Method Detail
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getDBColumns
SearchColumnList getDBColumns() throws UnresolvedJoinException
Gets the list of all columns (~ database metadata) available in this FROM part.
Note: In the most cases, this list is generated on the fly !
- Returns:
- All the available
DBColumn
s. - Throws:
UnresolvedJoinException
- If a join is not possible.
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getTablesByAlias
java.util.List<ADQLTable> getTablesByAlias(java.lang.String alias, boolean caseSensitive)
Gets all the table whose the alias is equals to the given one.
Note: Theoretically, only one table may be returned. But, since this object may be generated without the parser, it is possible that several
ADQLTable
objects exits with the same alias (particularly if there are JOIN).- Parameters:
alias
- Alias of the table(s) to get.caseSensitive
- true if the research must be made with case-sensitivity, false otherwise.- Returns:
- The list of all tables found.
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setPosition
void setPosition(TextPosition position)
Set the position of thisFromContent
in the given ADQL query string.- Parameters:
position
- New position of thisFromContent
.- Since:
- 1.4
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