Uses of Class
org.rumbledb.runtime.flwor.FlworDataFrameColumn

Packages that use FlworDataFrameColumn

Package	Description
org.rumbledb.items.structured
org.rumbledb.runtime.flwor
org.rumbledb.runtime.flwor.clauses
org.rumbledb.runtime.flwor.closures
org.rumbledb.runtime.flwor.udfs

Uses of FlworDataFrameColumn in org.rumbledb.items.structured

Methods in org.rumbledb.items.structured that return types with arguments of type FlworDataFrameColumn

Modifier and Type	Method	Description
List<FlworDataFrameColumn>	JSoundDataFrame.getColumns()

Uses of FlworDataFrameColumn in org.rumbledb.runtime.flwor

Methods in org.rumbledb.runtime.flwor that return types with arguments of type FlworDataFrameColumn

Modifier and Type	Method	Description
List<FlworDataFrameColumn>	FlworDataFrame.getColumns()
List<FlworDataFrameColumn>	FlworDataFrame.getColumns(Map<Name,DynamicContext.VariableDependency> dependencies, List<Name> variablesToRestrictTo, List<Name> variablesToExclude)
static List<FlworDataFrameColumn>	FlworDataFrameUtils.getColumns(org.apache.spark.sql.types.StructType inputSchema)
static List<FlworDataFrameColumn>	FlworDataFrameUtils.getColumns(org.apache.spark.sql.types.StructType inputSchema, Map.Entry<Name,DynamicContext.VariableDependency> dependencies)	Lists the names of the columns of the schema that needed by the dependencies.
static List<FlworDataFrameColumn>	FlworDataFrameUtils.getColumns(org.apache.spark.sql.types.StructType inputSchema, Map<Name,DynamicContext.VariableDependency> dependencies)	Lists the names of the columns of the schema that needed by the dependencies.
static List<FlworDataFrameColumn>	FlworDataFrameUtils.getColumns(org.apache.spark.sql.types.StructType inputSchema, Map<Name,DynamicContext.VariableDependency> dependencies, List<Name> variablesToRestrictTo, List<Name> variablesToExclude)	Lists the names of the columns of the schema that needed by the dependencies, but except duplicates (which are overriden).

Method parameters in org.rumbledb.runtime.flwor with type arguments of type FlworDataFrameColumn

Modifier and Type	Method	Description
static String	FlworDataFrameUtils.getSQLColumnProjection(List<FlworDataFrameColumn> columnNames, boolean trailingComma)	Prepares a SQL projection from the specified column names.
static String	FlworDataFrameUtils.getUDFParametersFromColumns(List<FlworDataFrameColumn> columnNames)	Prepares the parameters supplied to a UDF, as a row obtained from the specified attributes.

Uses of FlworDataFrameColumn in org.rumbledb.runtime.flwor.clauses

Method parameters in org.rumbledb.runtime.flwor.clauses with type arguments of type FlworDataFrameColumn

Modifier and Type	Method	Description
static void	ForClauseSparkIterator.registerForClauseUDF(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> dataFrame, RuntimeIterator newVariableExpression, DynamicContext context, org.apache.spark.sql.types.StructType inputSchema, List<FlworDataFrameColumn> UDFcolumns, SequenceType sequenceType)
static boolean	LetClauseSparkIterator.registerLetClauseUDF(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> dataFrame, RuntimeIterator newVariableExpression, DynamicContext context, org.apache.spark.sql.types.StructType inputSchema, List<FlworDataFrameColumn> UDFcolumns, SequenceType sequenceType)
static FlworDataFrame	ForClauseSparkIterator.tryNativeQuery(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> dataFrame, Name newVariableName, Name positionalVariableName, boolean allowingEmpty, RuntimeIterator iterator, List<FlworDataFrameColumn> allColumns, org.apache.spark.sql.types.StructType inputSchema, DynamicContext context)	Try to generate the native query for the for clause and run it, if successful return the resulting dataframe, otherwise it returns null
static org.apache.spark.sql.Dataset<org.apache.spark.sql.Row>	LetClauseSparkIterator.tryNativeQuery(org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> dataFrame, Name newVariableName, RuntimeIterator iterator, List<FlworDataFrameColumn> allColumns, org.apache.spark.sql.types.StructType inputSchema, DynamicContext context)	Try to generate the native query for the let clause and run it, if successful return the resulting dataframe, otherwise it returns null

Uses of FlworDataFrameColumn in org.rumbledb.runtime.flwor.closures

Constructor parameters in org.rumbledb.runtime.flwor.closures with type arguments of type FlworDataFrameColumn

Modifier	Constructor	Description
	ReturnFlatMapClosure(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columns)

Uses of FlworDataFrameColumn in org.rumbledb.runtime.flwor.udfs

Constructor parameters in org.rumbledb.runtime.flwor.udfs with type arguments of type FlworDataFrameColumn

Modifier	Constructor	Description
	DataFrameContext(DynamicContext context, List<FlworDataFrameColumn> columns)	Builds a new data frame context.
	ExpressionEvaluationUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columns)
	ForClauseUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columnNames)
	GenericForClauseUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columnNames, String classSimpleName)
	GenericLetClauseUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columns, String classSimpleName)
	HashUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columns)
	WhereClauseUDF(RuntimeIterator expression, DynamicContext context, List<FlworDataFrameColumn> columns)