use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.
the class JsonToArrayCast method toArray.
@UsedByGeneratedCode
public static Block toArray(ArrayType arrayType, BlockBuilderAppender elementAppender, 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) {
throw new JsonCastException(format("Expected a json array, but got %s", jsonParser.getText()));
}
BlockBuilder blockBuilder = arrayType.getElementType().createBlockBuilder(null, 20);
while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
elementAppender.append(jsonParser, blockBuilder);
}
if (jsonParser.nextToken() != null) {
throw new JsonCastException(format("Unexpected trailing token: %s", jsonParser.getText()));
}
return blockBuilder.build();
} catch (PrestoException | JsonCastException e) {
throw new PrestoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s. %s\n%s", arrayType, e.getMessage(), truncateIfNecessaryForErrorMessage(json)), e);
} catch (Exception e) {
throw new PrestoException(INVALID_CAST_ARGUMENT, format("Cannot cast to %s.\n%s", arrayType, truncateIfNecessaryForErrorMessage(json)), e);
}
}
use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.
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 PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), DOUBLE), e);
}
}
use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.
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 PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), REAL), e);
}
}
use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.
the class JsonOperators method castToInteger.
@ScalarOperator(CAST)
@SqlNullable
@SqlType(INTEGER)
public static Long castToInteger(@SqlType(JSON) Slice json) {
try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
parser.nextToken();
Long result = currentTokenAsInteger(parser);
// check no trailing token
checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to INTEGER");
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 (ArithmeticException | IOException | JsonCastException e) {
throw new PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), INTEGER), e);
}
}
use of io.prestosql.util.JsonCastException in project hetu-core by openlookeng.
the class JsonOperators method castToBoolean.
@ScalarOperator(CAST)
@SqlNullable
@SqlType(BOOLEAN)
public static Boolean castToBoolean(@SqlType(JSON) Slice json) {
try (JsonParser parser = createJsonParser(JSON_FACTORY, json)) {
parser.nextToken();
Boolean result = currentTokenAsBoolean(parser);
// check no trailing token
checkCondition(parser.nextToken() == null, INVALID_CAST_ARGUMENT, "Cannot cast input json to BOOLEAN");
return result;
} catch (IOException | JsonCastException e) {
throw new PrestoException(INVALID_CAST_ARGUMENT, String.format("Cannot cast '%s' to %s", json.toStringUtf8(), BOOLEAN), e);
}
}
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