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Example 1 with OQueryOperatorMatches

use of com.orientechnologies.orient.core.sql.operator.OQueryOperatorMatches in project orientdb by orientechnologies.

the class OSQLFilterCondition method evaluate.

public Object evaluate(final OIdentifiable iCurrentRecord, final ODocument iCurrentResult, final OCommandContext iContext) {
    boolean binaryEvaluation = operator != null && operator.isSupportingBinaryEvaluate() && iCurrentRecord != null && iCurrentRecord.getIdentity().isPersistent();
    if (left instanceof OSQLQuery<?>)
        // EXECUTE SUB QUERIES ONLY ONCE
        left = ((OSQLQuery<?>) left).setContext(iContext).execute();
    Object l = evaluate(iCurrentRecord, iCurrentResult, left, iContext, binaryEvaluation);
    if (operator == null || operator.canShortCircuit(l))
        return l;
    if (right instanceof OSQLQuery<?>)
        // EXECUTE SUB QUERIES ONLY ONCE
        right = ((OSQLQuery<?>) right).setContext(iContext).execute();
    Object r = evaluate(iCurrentRecord, iCurrentResult, right, iContext, binaryEvaluation);
    if (binaryEvaluation && l instanceof OBinaryField) {
        if (r != null && !(r instanceof OBinaryField)) {
            final OType type = OType.getTypeByValue(r);
            if (ORecordSerializerBinary.INSTANCE.getCurrentSerializer().getComparator().isBinaryComparable(type)) {
                final BytesContainer bytes = new BytesContainer();
                ORecordSerializerBinary.INSTANCE.getCurrentSerializer().serializeValue(bytes, r, type, null);
                bytes.offset = 0;
                final OCollate collate = r instanceof OSQLFilterItemField ? ((OSQLFilterItemField) r).getCollate(iCurrentRecord) : null;
                r = new OBinaryField(null, type, bytes, collate);
                if (!(right instanceof OSQLFilterItem || right instanceof OSQLFilterCondition))
                    // FIXED VALUE, REPLACE IT
                    right = r;
            }
        } else if (r instanceof OBinaryField)
            // GET THE COPY OR MT REASONS
            r = ((OBinaryField) r).copy();
    }
    if (binaryEvaluation && r instanceof OBinaryField) {
        if (l != null && !(l instanceof OBinaryField)) {
            final OType type = OType.getTypeByValue(l);
            if (ORecordSerializerBinary.INSTANCE.getCurrentSerializer().getComparator().isBinaryComparable(type)) {
                final BytesContainer bytes = new BytesContainer();
                ORecordSerializerBinary.INSTANCE.getCurrentSerializer().serializeValue(bytes, l, type, null);
                bytes.offset = 0;
                final OCollate collate = l instanceof OSQLFilterItemField ? ((OSQLFilterItemField) l).getCollate(iCurrentRecord) : null;
                l = new OBinaryField(null, type, bytes, collate);
                if (!(left instanceof OSQLFilterItem || left instanceof OSQLFilterCondition))
                    // FIXED VALUE, REPLACE IT
                    left = l;
            }
        } else if (l instanceof OBinaryField)
            // GET THE COPY OR MT REASONS
            l = ((OBinaryField) l).copy();
    }
    if (binaryEvaluation)
        binaryEvaluation = l instanceof OBinaryField && r instanceof OBinaryField;
    if (!binaryEvaluation) {
        // no collate for regular expressions, otherwise quotes will result in no match
        final OCollate collate = operator instanceof OQueryOperatorMatches ? null : getCollate(iCurrentRecord);
        final Object[] convertedValues = checkForConversion(iCurrentRecord, l, r, collate);
        if (convertedValues != null) {
            l = convertedValues[0];
            r = convertedValues[1];
        }
    }
    Object result;
    try {
        result = operator.evaluateRecord(iCurrentRecord, iCurrentResult, this, l, r, iContext);
    } catch (OCommandExecutionException e) {
        throw e;
    } catch (Exception e) {
        if (OLogManager.instance().isDebugEnabled())
            OLogManager.instance().debug(this, "Error on evaluating expression (%s)", e, toString());
        result = Boolean.FALSE;
    }
    return result;
}
Also used : OBinaryField(com.orientechnologies.orient.core.serialization.serializer.record.binary.OBinaryField) OType(com.orientechnologies.orient.core.metadata.schema.OType) OException(com.orientechnologies.common.exception.OException) ORecordNotFoundException(com.orientechnologies.orient.core.exception.ORecordNotFoundException) ParseException(java.text.ParseException) OCommandExecutionException(com.orientechnologies.orient.core.exception.OCommandExecutionException) OQueryParsingException(com.orientechnologies.orient.core.exception.OQueryParsingException) BytesContainer(com.orientechnologies.orient.core.serialization.serializer.record.binary.BytesContainer) OQueryOperatorMatches(com.orientechnologies.orient.core.sql.operator.OQueryOperatorMatches) OCommandExecutionException(com.orientechnologies.orient.core.exception.OCommandExecutionException) OCollate(com.orientechnologies.orient.core.collate.OCollate) OSQLQuery(com.orientechnologies.orient.core.sql.query.OSQLQuery)

Aggregations

OException (com.orientechnologies.common.exception.OException)1 OCollate (com.orientechnologies.orient.core.collate.OCollate)1 OCommandExecutionException (com.orientechnologies.orient.core.exception.OCommandExecutionException)1 OQueryParsingException (com.orientechnologies.orient.core.exception.OQueryParsingException)1 ORecordNotFoundException (com.orientechnologies.orient.core.exception.ORecordNotFoundException)1 OType (com.orientechnologies.orient.core.metadata.schema.OType)1 BytesContainer (com.orientechnologies.orient.core.serialization.serializer.record.binary.BytesContainer)1 OBinaryField (com.orientechnologies.orient.core.serialization.serializer.record.binary.OBinaryField)1 OQueryOperatorMatches (com.orientechnologies.orient.core.sql.operator.OQueryOperatorMatches)1 OSQLQuery (com.orientechnologies.orient.core.sql.query.OSQLQuery)1 ParseException (java.text.ParseException)1