public class BeamSqlLocalRefExpression extends BeamSqlExpression
operands, outputType
Constructor and Description |
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BeamSqlLocalRefExpression(org.apache.calcite.sql.type.SqlTypeName sqlTypeName,
int index) |
Modifier and Type | Method and Description |
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boolean |
accept()
assertion to make sure the input and output are supported in this expression.
|
BeamSqlPrimitive |
evaluate(Row inputRow,
BoundedWindow window,
BeamSqlExpressionEnvironment env)
Apply input record
Row with BoundedWindow to this expression, the output value
is wrapped with BeamSqlPrimitive . |
getOperands, getOutputType, numberOfOperands, op, opType, opValueEvaluated
public BeamSqlLocalRefExpression(org.apache.calcite.sql.type.SqlTypeName sqlTypeName, int index)
public boolean accept()
BeamSqlExpression
accept
in class BeamSqlExpression
public BeamSqlPrimitive evaluate(Row inputRow, BoundedWindow window, BeamSqlExpressionEnvironment env)
BeamSqlExpression
Row
with BoundedWindow
to this expression, the output value
is wrapped with BeamSqlPrimitive
.evaluate
in class BeamSqlExpression