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

Example 6 with JsonCastException

use of io.trino.util.JsonCastException in project trino by trinodb.

the class JsonToRowCast method toRow.

@UsedByGeneratedCode
public static Block toRow(RowType rowType, BlockBuilderAppender rowAppender, ConnectorSession connectorSession, Slice json) {
    try (JsonParser jsonParser = createJsonParser(JSON_FACTORY, json)) {
        jsonParser.nextToken();
        if (jsonParser.getCurrentToken() == JsonToken.VALUE_NULL) {
            return null;
        }
        BlockBuilder rowBlockBuilder = rowType.createBlockBuilder(null, 1);
        rowAppender.append(jsonParser, rowBlockBuilder);
        if (jsonParser.nextToken() != null) {
            throw new JsonCastException(format("Unexpected trailing token: %s", jsonParser.getText()));
        }
        return rowType.getObject(rowBlockBuilder, 0);
    } catch (TrinoException | JsonCastException e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s. %s\n%s", rowType, e.getMessage(), truncateIfNecessaryForErrorMessage(json)), e);
    } catch (Exception e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s.\n%s", rowType, truncateIfNecessaryForErrorMessage(json)), e);
    }
}

Example 7 with JsonCastException

use of io.trino.util.JsonCastException in project trino by trinodb.

the class JsonOperators method castToVarchar.

@ScalarOperator(CAST)
@SqlNullable
@LiteralParameters("x")
@SqlType("varchar(x)")
public static Slice castToVarchar(@SqlType(JSON) Slice json) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        parser.nextToken();
        Slice result = currentTokenAsVarchar(parser);
        // check no trailing token
        checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to VARCHAR");
        return result;
    } catch (IOException | JsonCastException e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast '%s' to %s", json.toStringUtf8(), VARCHAR), e);
    }
}

Example 8 with JsonCastException

use of io.trino.util.JsonCastException in project trino by trinodb.

the class JsonOperators method castToDouble.

@ScalarOperator(CAST)
@SqlNullable
@SqlType(DOUBLE)
public static Double castToDouble(@SqlType(JSON) Slice json) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        parser.nextToken();
        Double result = currentTokenAsDouble(parser);
        // check no trailing token
        checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to DOUBLE");
        return result;
    } catch (IOException | JsonCastException e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast '%s' to %s", json.toStringUtf8(), DOUBLE), e);
    }
}

Example 9 with JsonCastException

use of io.trino.util.JsonCastException in project trino by trinodb.

the class JsonOperators method castToReal.

@ScalarOperator(CAST)
@SqlNullable
@SqlType(REAL)
public static Long castToReal(@SqlType(JSON) Slice json) {
    try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
        parser.nextToken();
        Long result = currentTokenAsReal(parser);
        // check no trailing token
        checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to REAL");
        return result;
    } catch (IOException | JsonCastException e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast '%s' to %s", json.toStringUtf8(), REAL), e);
    }
}

Example 10 with JsonCastException

use of io.trino.util.JsonCastException in project trino by trinodb.

the class JsonToArrayCast method toArray.

@UsedByGeneratedCode
public static Block toArray(ArrayType arrayType, BlockBuilderAppender arrayAppender, ConnectorSession connectorSession, Slice json) {
    try (JsonParser jsonParser = createJsonParser(JSON_FACTORY, json)) {
        jsonParser.nextToken();
        if (jsonParser.getCurrentToken() == JsonToken.VALUE_NULL) {
            return null;
        }
        BlockBuilder blockBuilder = arrayType.createBlockBuilder(null, 1);
        arrayAppender.append(jsonParser, blockBuilder);
        if (jsonParser.nextToken() != null) {
            throw new JsonCastException(format("Unexpected trailing token: %s", jsonParser.getText()));
        }
        return arrayType.getObject(blockBuilder, blockBuilder.getPositionCount() - 1);
    } catch (TrinoException | JsonCastException e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s. %s\n%s", arrayType, e.getMessage(), truncateIfNecessaryForErrorMessage(json)), e);
    } catch (Exception e) {
        throw new TrinoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s.\n%s", arrayType, truncateIfNecessaryForErrorMessage(json)), e);
    }
}