/** * Registers any sub-queries inside a given call operand, and converts the * operand to a scalar sub-query if the operator requires it. * * @param parentScope Parent scope * @param call Call * @param operandOrdinal Ordinal of operand within call * @see SqlOperator#argumentMustBeScalar(int) */ private void registerOperandSubQueries( SqlValidatorScope parentScope, SqlCall call, int operandOrdinal) { SqlNode operand = call.operand(operandOrdinal); if (operand == null) { return; } if (operand.getKind().belongsTo(SqlKind.QUERY) && call.getOperator().argumentMustBeScalar(operandOrdinal)) { operand = SqlStdOperatorTable.SCALAR_QUERY.createCall( operand.getParserPosition(), operand); call.setOperand(operandOrdinal, operand); } registerSubQueries(parentScope, operand); }
@Override public boolean argumentMustBeScalar(int ordinal) { return operator.argumentMustBeScalar(ordinal); }
/** * Registers any sub-queries inside a given call operand, and converts the * operand to a scalar sub-query if the operator requires it. * * @param parentScope Parent scope * @param call Call * @param operandOrdinal Ordinal of operand within call * @see SqlOperator#argumentMustBeScalar(int) */ private void registerOperandSubQueries( SqlValidatorScope parentScope, SqlCall call, int operandOrdinal) { SqlNode operand = call.operand(operandOrdinal); if (operand == null) { return; } if (operand.getKind().belongsTo(SqlKind.QUERY) && call.getOperator().argumentMustBeScalar(operandOrdinal)) { operand = SqlStdOperatorTable.SCALAR_QUERY.createCall( operand.getParserPosition(), operand); call.setOperand(operandOrdinal, operand); } registerSubQueries(parentScope, operand); }
/** * Registers any sub-queries inside a given call operand, and converts the * operand to a scalar sub-query if the operator requires it. * * @param parentScope Parent scope * @param call Call * @param operandOrdinal Ordinal of operand within call * @see SqlOperator#argumentMustBeScalar(int) */ private void registerOperandSubQueries( SqlValidatorScope parentScope, SqlCall call, int operandOrdinal) { SqlNode operand = call.operand(operandOrdinal); if (operand == null) { return; } if (operand.getKind().belongsTo(SqlKind.QUERY) && call.getOperator().argumentMustBeScalar(operandOrdinal)) { operand = SqlStdOperatorTable.SCALAR_QUERY.createCall( operand.getParserPosition(), operand); call.setOperand(operandOrdinal, operand); } registerSubQueries(parentScope, operand); }