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Packages that use Expression | |
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de.fuberlin.wiwiss.d2rq.algebra | Implementation of an RDF-based relational algebra. |
de.fuberlin.wiwiss.d2rq.expr | |
de.fuberlin.wiwiss.d2rq.sql | SQL query and result processing code. |
Uses of Expression in de.fuberlin.wiwiss.d2rq.algebra |
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Methods in de.fuberlin.wiwiss.d2rq.algebra that return Expression | |
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Expression |
ColumnRenamer.applyTo(Expression original)
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Expression |
Relation.condition()
An expression that must be satisfied for all tuples in the relation. |
Expression |
RelationImpl.condition()
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Methods in de.fuberlin.wiwiss.d2rq.algebra with parameters of type Expression | |
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Expression |
ColumnRenamer.applyTo(Expression original)
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Relation |
MutableRelation.select(Expression condition)
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Relation |
RelationImpl.select(Expression selectCondition)
|
Relation |
RelationalOperators.select(Expression condition)
Applies the selection operator to this relation. |
Constructors in de.fuberlin.wiwiss.d2rq.algebra with parameters of type Expression | |
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RelationImpl(ConnectedDB database,
AliasMap aliases,
Expression condition,
Set joinConditions)
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Uses of Expression in de.fuberlin.wiwiss.d2rq.expr |
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Subclasses of Expression in de.fuberlin.wiwiss.d2rq.expr | |
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class |
AttributeEquality
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class |
AttributeNotNull
|
class |
AttributeValue
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class |
Conjunction
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class |
Disjunction
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class |
SQLExpression
An SQL expression. |
Fields in de.fuberlin.wiwiss.d2rq.expr declared as Expression | |
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static Expression |
Expression.FALSE
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static Expression |
Expression.TRUE
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Methods in de.fuberlin.wiwiss.d2rq.expr that return Expression | |
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Expression |
Expression.and(Expression other)
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static Expression |
AttributeNotNull.create(Attribute attribute)
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static Expression |
AttributeEquality.create(Attribute attribute1,
Attribute attribute2)
|
static Expression |
AttributeValue.create(Attribute attribute,
String value)
|
static Expression |
Conjunction.create(Collection expressions)
|
static Expression |
Disjunction.create(Collection expressions)
|
static Expression |
SQLExpression.create(String sql)
|
Expression |
Expression.or(Expression other)
|
Expression |
AttributeEquality.renameColumns(ColumnRenamer columnRenamer)
|
Expression |
AttributeNotNull.renameColumns(ColumnRenamer columnRenamer)
|
Expression |
AttributeValue.renameColumns(ColumnRenamer columnRenamer)
|
Expression |
Conjunction.renameColumns(ColumnRenamer columnRenamer)
|
Expression |
Disjunction.renameColumns(ColumnRenamer columnRenamer)
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abstract Expression |
Expression.renameColumns(ColumnRenamer columnRenamer)
|
Expression |
SQLExpression.renameColumns(ColumnRenamer columnRenamer)
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Methods in de.fuberlin.wiwiss.d2rq.expr with parameters of type Expression | |
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Expression |
Expression.and(Expression other)
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Expression |
Expression.or(Expression other)
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Uses of Expression in de.fuberlin.wiwiss.d2rq.sql |
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Methods in de.fuberlin.wiwiss.d2rq.sql with parameters of type Expression | |
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void |
SelectStatementBuilder.addCondition(Expression condition)
Adds a WHERE clause to the query. |
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