public class BeamSqlConcatExpression extends BeamSqlExpression
operands, outputType
Modifier | Constructor and Description |
---|---|
|
BeamSqlConcatExpression(java.util.List<BeamSqlExpression> operands) |
protected |
BeamSqlConcatExpression(java.util.List<BeamSqlExpression> operands,
org.apache.calcite.sql.type.SqlTypeName outputType) |
Modifier and Type | Method and Description |
---|---|
boolean |
accept()
assertion to make sure the input and output are supported in this expression.
|
BeamSqlPrimitive |
evaluate(Row inputRow,
BoundedWindow window,
ImmutableMap<java.lang.Integer,java.lang.Object> correlateEnv)
Apply input record
Row with BoundedWindow to this expression, the output value
is wrapped with BeamSqlPrimitive . |
getOperands, getOutputType, numberOfOperands, op, opType, opValueEvaluated
protected BeamSqlConcatExpression(java.util.List<BeamSqlExpression> operands, org.apache.calcite.sql.type.SqlTypeName outputType)
public BeamSqlConcatExpression(java.util.List<BeamSqlExpression> operands)
public boolean accept()
BeamSqlExpression
accept
in class BeamSqlExpression
public BeamSqlPrimitive evaluate(Row inputRow, BoundedWindow window, ImmutableMap<java.lang.Integer,java.lang.Object> correlateEnv)
BeamSqlExpression
Row
with BoundedWindow
to this expression, the output value
is wrapped with BeamSqlPrimitive
.evaluate
in class BeamSqlExpression