Examples with JsonCastException io.prestosql.util.JsonCastException used on opensource projects

Example 11 with JsonCastException

use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.

the class JsonToRowCast method toRow.

@UsedByGeneratedCode
public static Block toRow(RowType rowType, BlockBuilderAppender[] fieldAppenders, Optional<Map<String, Integer>> fieldNameToIndex, ConnectorSession connectorSession, Slice json) {
    try (JsonParser jsonParser = createJsonParser(JSON_FACTORY, json)) {
        jsonParser.nextToken();
        if (jsonParser.getCurrentToken() == JsonToken.VALUE_NULL) {
            return null;
        }
        if (jsonParser.getCurrentToken() != START_ARRAY && jsonParser.getCurrentToken() != START_OBJECT) {
            throw new JsonCastException(format("Expected a json array or object, but got %s", jsonParser.getText()));
        }
        BlockBuilder rowBlockBuilder = rowType.createBlockBuilder(null, 1);
        parseJsonToSingleRowBlock(jsonParser, (SingleRowBlockWriter) rowBlockBuilder.beginBlockEntry(), fieldAppenders, fieldNameToIndex);
        rowBlockBuilder.closeEntry();
        if (jsonParser.nextToken() != null) {
            throw new JsonCastException(format("Unexpected trailing token: %s", jsonParser.getText()));
        }
        return rowType.getObject(rowBlockBuilder, 0);
    } catch (PrestoException | JsonCastException e) {
        throw new PrestoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s. %s\n%s", rowType, e.getMessage(), truncateIfNecessaryForErrorMessage(json)), e);
    } catch (Exception e) {
        throw new PrestoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s.\n%s", rowType, truncateIfNecessaryForErrorMessage(json)), e);
    }
}

Example 12 with JsonCastException

use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.

the class JsonOperators method castToSmallint.

@ScalarOperator(CAST)
@SqlNullable
@SqlType(SMALLINT)
public static Long castToSmallint(@SqlType(JSON) Slice json) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        parser.nextToken();
        Long result = currentTokenAsSmallint(parser);
        // check no trailing token
        checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to SMALLINT");
        return result;
    } catch (PrestoException e) {
        if (e.getErrorCode().equals(NUMERIC_VALUE_OUT_OF_RANGE.toErrorCode())) {
            throw new PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), INTEGER), e.getCause());
        }
        throw e;
    } catch (IllegalArgumentException | IOException | JsonCastException e) {
        throw new PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), SMALLINT), e);
    }
}

Example 13 with JsonCastException

use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.

the class DecimalCasts method jsonToShortDecimal.

@UsedByGeneratedCode
public static Long jsonToShortDecimal(Slice json, long precision, long scale, long tenToScale) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        parser.nextToken();
        Long result = currentTokenAsShortDecimal(parser, intPrecision(precision), DecimalConversions.intScale(scale));
        // check no trailing token
        checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to DECIMAL(%s,%s)", precision, scale);
        return result;
    } catch (IOException | NumberFormatException | JsonCastException e) {
        throw new PrestoException(INVALID_CAST_ARGUMENT, format("Cannot cast '%s' to DECIMAL(%s,%s)", json.toStringUtf8(), precision, scale), e);
    }
}