jackylau created FLINK-28830:
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Summary: new stack udtf doesn't support atomic type
Key: FLINK-28830
URL: https://issues.apache.org/jira/browse/FLINK-28830
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Affects Versions: 1.16.0
Reporter: jackylau
Fix For: 1.16.0
{code:java}
// code placeholder
public class GenerateSeriesFunction extends BuiltInTableFunction<Long> {
private static final long serialVersionUID = 1L;
public GenerateSeriesFunction(SpecializedContext specializedContext) {
super(BuiltInFunctionDefinitions.GENERATE_SERIES, specializedContext);
}
public void eval(long start, long stop) {
eval(start, stop, 1);
}
public void eval(long start, long stop, long step) {
long s = start;
while (s <= stop) {
collect(s);
s += step;
}
}
}
public static final BuiltInFunctionDefinition GENERATE_SERIES =
BuiltInFunctionDefinition.newBuilder()
.name("GENERATE_SERIES")
.kind(TABLE)
.inputTypeStrategy(
or(
sequence(
logical(LogicalTypeFamily.NUMERIC),
logical(LogicalTypeFamily.NUMERIC)),
sequence(
logical(LogicalTypeFamily.NUMERIC),
logical(LogicalTypeFamily.NUMERIC),
logical(LogicalTypeFamily.NUMERIC))))
.outputTypeStrategy(explicit(DataTypes.BIGINT()))
.runtimeClass(
"org.apache.flink.table.runtime.functions.table.GenerateSeriesFunction")
.build(); {code}
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