Examples with Expression org.teiid.language.Expression used on opensource projects

Example 6 with Expression

use of org.teiid.language.Expression in project teiid by teiid.

the class InsertExecutionImpl method buildSingleRowInsertPayload.

private void buildSingleRowInsertPayload(Insert insert, DataPayload data) throws TranslatorException {
    List<ColumnReference> columns = insert.getColumns();
    List<Expression> values = ((ExpressionValueSource) insert.getValueSource()).getValues();
    if (columns.size() != values.size()) {
        throw new TranslatorException(SalesForcePlugin.Util.gs(SalesForcePlugin.Event.TEIID13006));
    }
    for (int i = 0; i < columns.size(); i++) {
        Column column = columns.get(i).getMetadataObject();
        Object value = values.get(i);
        if (!(value instanceof Literal)) {
            throw new TranslatorException(SalesForcePlugin.Util.gs(SalesForcePlugin.Event.TEIID13007));
        }
        Literal literalValue = (Literal) values.get(i);
        Object val = literalValue.getValue();
        if (val instanceof Timestamp) {
            Calendar cal = Calendar.getInstance();
            cal.setTime((Timestamp) val);
            val = cal;
        }
        data.addField(column.getSourceName(), val);
    }
}

Example 7 with Expression

use of org.teiid.language.Expression in project teiid by teiid.

the class ODataUpdateVisitor method visit.

@Override
public void visit(Insert obj) {
    // $NON-NLS-1$
    this.method = "POST";
    this.entity = obj.getTable().getMetadataObject();
    this.uri = this.entity.getName();
    final List<OProperty<?>> props = new ArrayList<OProperty<?>>();
    int elementCount = obj.getColumns().size();
    for (int i = 0; i < elementCount; i++) {
        Column column = obj.getColumns().get(i).getMetadataObject();
        List<Expression> values = ((ExpressionValueSource) obj.getValueSource()).getValues();
        OProperty<?> property = readProperty(column, values.get(i));
        props.add(property);
    }
    this.payload = props;
}

Example 8 with Expression

use of org.teiid.language.Expression in project teiid by teiid.

the class InfinispanUpdateVisitor method visit.

@Override
public void visit(Insert obj) {
    this.operationType = OperationType.INSERT;
    if (obj.isUpsert()) {
        this.operationType = OperationType.UPSERT;
    }
    visitNode(obj.getTable());
    Column pkColumn = getPrimaryKey();
    if (pkColumn == null) {
        this.exceptions.add(new TranslatorException(InfinispanPlugin.Util.gs(InfinispanPlugin.Event.TEIID25013, getParentTable().getName())));
        return;
    }
    if (obj.getParameterValues() == null) {
        List<Expression> values = ((ExpressionValueSource) obj.getValueSource()).getValues();
        this.insertPayload = buildInsertPayload(obj, values);
        if (this.insertPayload != null) {
            this.identity = this.insertPayload.getIdentifier();
        }
    }
}

Example 9 with Expression

use of org.teiid.language.Expression in project teiid by teiid.

the class HanaSpatialFunctionModifier method translate.

/**
 * Most geospatial functions in HANA are called from the geometry object or an equivalent expression.
 * For example, <geometry-expression>.ST_SRID() or <geometry-expression>.ST_Relate(<geo2>). This method
 * will take the argument(s) to the Teiid spatial function and move the first argument to precede
 * the function name.
 */
public List<?> translate(Function function) {
    List<Expression> params = function.getParameters();
    List<Object> objs = new ArrayList<Object>();
    Expression exp1 = params.get(0);
    objs.add(exp1 + "." + function.getName());
    // $NON-NLS-1$
    objs.add("(");
    if (params.size() > 1) {
        objs.add(params.get(1));
    }
    // $NON-NLS-1$
    objs.add(")");
    return objs;
}

Example 10 with Expression

use of org.teiid.language.Expression in project teiid by teiid.

the class AddDiffModifier method translate.

@Override
public List<?> translate(Function function) {
    if (add) {
        // $NON-NLS-1$
        function.setName("dateadd");
    } else {
        // $NON-NLS-1$
        function.setName("datediff");
    }
    Literal intervalType = (Literal) function.getParameters().get(0);
    String interval = ((String) intervalType.getValue()).toUpperCase();
    String newInterval = INTERVAL_MAP.get(interval);
    if (newInterval != null) {
        intervalType.setValue(newInterval);
        return null;
    }
    if (supportsQuarter && interval.equals(NonReserved.SQL_TSI_QUARTER)) {
        // $NON-NLS-1$
        intervalType.setValue("QUARTER");
        return null;
    }
    if (add) {
        if (interval.equals(NonReserved.SQL_TSI_FRAC_SECOND)) {
            // $NON-NLS-1$
            intervalType.setValue("MILLISECOND");
            Expression[] args = new Expression[] { function.getParameters().get(1), factory.createLiteral(1000000, TypeFacility.RUNTIME_TYPES.INTEGER) };
            // $NON-NLS-1$
            function.getParameters().set(1, factory.createFunction("/", args, TypeFacility.RUNTIME_TYPES.INTEGER));
        } else if (interval.equals(NonReserved.SQL_TSI_QUARTER)) {
            intervalType.setValue(ExtractFunctionModifier.DAY);
            Expression[] args = new Expression[] { function.getParameters().get(1), factory.createLiteral(91, TypeFacility.RUNTIME_TYPES.INTEGER) };
            // $NON-NLS-1$
            function.getParameters().set(1, factory.createFunction("*", args, TypeFacility.RUNTIME_TYPES.INTEGER));
        } else {
            intervalType.setValue(ExtractFunctionModifier.DAY);
            Expression[] args = new Expression[] { function.getParameters().get(1), factory.createLiteral(7, TypeFacility.RUNTIME_TYPES.INTEGER) };
            // $NON-NLS-1$
            function.getParameters().set(1, factory.createFunction("*", args, TypeFacility.RUNTIME_TYPES.INTEGER));
        }
        return null;
    }
    if (interval.equals(NonReserved.SQL_TSI_FRAC_SECOND)) {
        // $NON-NLS-1$
        intervalType.setValue("MILLISECOND");
        // $NON-NLS-1$
        return Arrays.asList(function, " * 1000000");
    } else if (interval.equals(NonReserved.SQL_TSI_QUARTER)) {
        intervalType.setValue(ExtractFunctionModifier.DAY);
        // $NON-NLS-1$
        return Arrays.asList(function, " / 91");
    }
    intervalType.setValue(ExtractFunctionModifier.DAY);
    // $NON-NLS-1$
    return Arrays.asList(function, " / 7");
}