How to use
isAlwaysNonEmpty
method
in
org.apache.calcite.rel.core.Window$Group

Best Java code snippets using org.apache.calcite.rel.core.Window$Group.isAlwaysNonEmpty (Showing top 2 results out of 315)

final Expression endX;
final Expression hasRows;
if (group.isAlwaysNonEmpty()) {
 startX = startUnchecked;
 endX = endUnchecked;

final Expression endX;
final Expression hasRows;
if (group.isAlwaysNonEmpty()) {
 startX = startUnchecked;
 endX = endUnchecked;

Javadoc

Returns if the window is guaranteed to have rows. This is useful to refine data type of window aggregates. For instance sum(non-nullable) over (empty window) is NULL.

Popular methods of Window$Group

getAggregateCalls
Presents a view of the RexWinAggCall list as a list of AggregateCall.
<init>
collation
computeString

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How to use isAlwaysNonEmptymethodin org.apache.calcite.rel.core.Window$Group

Best Java code snippets using org.apache.calcite.rel.core.Window$Group.isAlwaysNonEmpty (Showing top 2 results out of 315)

How to use
isAlwaysNonEmpty
method
in
org.apache.calcite.rel.core.Window$Group