Examples with MetaScalar com.torodb.core.transaction.metainf.MetaScalar used on opensource projects

Example 6 with MetaScalar

use of com.torodb.core.transaction.metainf.MetaScalar in project torodb by torodb.

the class PostgreSqlWriteInterface method getCopyInsertDocPartDataStatement.

protected String getCopyInsertDocPartDataStatement(String schemaName, DocPartData docPartData, final MetaDocPart metaDocPart, Collection<InternalField<?>> internalFields) {
    final StringBuilder copyStatementBuilder = new StringBuilder();
    copyStatementBuilder.append("COPY \"").append(schemaName).append("\".\"").append(metaDocPart.getIdentifier()).append("\"").append(" (");
    for (InternalField<?> internalField : internalFields) {
        copyStatementBuilder.append("\"").append(internalField.getName()).append("\",");
    }
    Iterator<MetaScalar> metaScalarIterator = docPartData.orderedMetaScalarIterator();
    while (metaScalarIterator.hasNext()) {
        MetaScalar metaScalar = metaScalarIterator.next();
        copyStatementBuilder.append("\"").append(metaScalar.getIdentifier()).append("\",");
    }
    Iterator<MetaField> metaFieldIterator = docPartData.orderedMetaFieldIterator();
    while (metaFieldIterator.hasNext()) {
        MetaField metaField = metaFieldIterator.next();
        copyStatementBuilder.append("\"").append(metaField.getIdentifier()).append("\",");
    }
    copyStatementBuilder.setCharAt(copyStatementBuilder.length() - 1, ')');
    copyStatementBuilder.append(" FROM STDIN");
    final String copyStatement = copyStatementBuilder.toString();
    return copyStatement;
}

Example 7 with MetaScalar

use of com.torodb.core.transaction.metainf.MetaScalar in project torodb by torodb.

the class R2DTranslatorImpl method readResult.

private void readResult(MetaDocPart metaDocPart, TableRef tableRef, DocPartResult docPartResult, Map<Integer, Map<String, List<KvValue<?>>>> currentFieldDocPartRow, Map<Integer, Map<String, List<KvValue<?>>>> childFieldDocPartRow, ImmutableList.Builder<ToroDocument> readedDocuments) {
    while (docPartResult.hasNext()) {
        KvDocument.Builder documentBuilder = new KvDocument.Builder();
        DocPartResultRow row = docPartResult.next();
        Integer did = row.getDid();
        Integer rid = row.getRid();
        Integer pid = row.getPid();
        Integer seq = row.getSeq();
        Map<String, List<KvValue<?>>> childFieldDocPartCell = childFieldDocPartRow.get(rid);
        //TODO: ensure MetaField order using ResultSet meta data
        Iterator<? extends MetaScalar> metaScalarIterator = metaDocPart.streamScalars().iterator();
        boolean wasScalar = false;
        int fieldIndex = 0;
        while (metaScalarIterator.hasNext() && !wasScalar) {
            assert seq != null : "found scalar value outside of an array";
            MetaScalar metaScalar = metaScalarIterator.next();
            KvValue<?> value = row.getUserValue(fieldIndex, metaScalar.getType());
            fieldIndex++;
            if (value != null) {
                if (metaScalar.getType() == FieldType.CHILD) {
                    value = getChildValue(value, getDocPartCellName(tableRef), childFieldDocPartCell);
                }
                addValueToDocPartRow(currentFieldDocPartRow, tableRef, pid, seq, value);
                wasScalar = true;
            }
        }
        if (wasScalar) {
            continue;
        }
        Iterator<? extends MetaField> metaFieldIterator = metaDocPart.streamFields().iterator();
        while (metaFieldIterator.hasNext()) {
            MetaField metaField = metaFieldIterator.next();
            KvValue<?> value = row.getUserValue(fieldIndex, metaField.getType());
            fieldIndex++;
            if (value != null) {
                if (metaField.getType() == FieldType.CHILD) {
                    value = getChildValue(value, metaField.getName(), childFieldDocPartCell);
                }
                documentBuilder.putValue(metaField.getName(), value);
            }
        }
        if (tableRef.isRoot()) {
            readedDocuments.add(new ToroDocument(did, documentBuilder.build()));
        } else {
            addValueToDocPartRow(currentFieldDocPartRow, tableRef, pid, seq, documentBuilder.build());
        }
    }
}

Example 8 with MetaScalar

use of com.torodb.core.transaction.metainf.MetaScalar in project torodb by torodb.

the class TableMetadata method findMetaScalar.

private MetaScalar findMetaScalar(FieldType type) {
    MetaScalar metaField = metaDocPart.getScalar(type);
    if (metaField == null) {
        String identifier = collectionMetaInfo.getScalarIdentifier(type);
        metaField = metaDocPart.addMetaScalar(identifier, type);
    }
    return metaField;
}