Examples with NamedExpression org.apache.drill.common.logical.data.NamedExpression used on opensource projects

Example 16 with NamedExpression

use of org.apache.drill.common.logical.data.NamedExpression in project drill by apache.

the class DrillProjectRel method implement.

@Override
public LogicalOperator implement(DrillImplementor implementor) {
    LogicalOperator inputOp = implementor.visitChild(this, 0, getInput());
    Project.Builder builder = Project.builder();
    builder.setInput(inputOp);
    for (NamedExpression e : this.getProjectExpressions(implementor.getContext())) {
        builder.addExpr(e);
    }
    return builder.build();
}

Example 17 with NamedExpression

use of org.apache.drill.common.logical.data.NamedExpression in project drill by apache.

the class DrillProjectRel method convert.

public static DrillProjectRel convert(Project project, ConversionContext context) throws InvalidRelException {
    RelNode input = context.toRel(project.getInput());
    List<RelDataTypeField> fields = Lists.newArrayList();
    List<RexNode> exps = Lists.newArrayList();
    for (NamedExpression expr : project.getSelections()) {
        fields.add(new RelDataTypeFieldImpl(expr.getRef().getRootSegment().getPath(), fields.size(), context.getTypeFactory().createSqlType(SqlTypeName.ANY)));
        exps.add(context.toRex(expr.getExpr()));
    }
    return new DrillProjectRel(context.getCluster(), context.getLogicalTraits(), input, exps, new RelRecordType(fields));
}