com.facebook.presto.spi.function.Description Java Examples

The following examples show how to use com.facebook.presto.spi.function.Description. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_phrase")
@Description("es match_phrase")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchPhrase(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchPhraseQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #2
Source File: BloomFilterGetFalsePositivePercentageScalarFunction.java    From presto-bloomfilter with Apache License 2.0 5 votes vote down vote up
@Description(value = "Display expected insertions from the bloom filter")
@Nullable
@SqlNullable
@SqlType(StandardTypes.DOUBLE)
public static Double bloomFilterFalsePositivePercentage(@SqlNullable @SqlType(BloomFilterType.TYPE) Slice bloomFilterSlice)
{
    BloomFilter bf = getOrLoadBloomFilter(bloomFilterSlice);
    return bf.getFalsePositivePercentage();
}
 
Example #3
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("toWei")
@Description("toWei")
@SqlType(StandardTypes.DOUBLE)
public static double toWei(@SqlType(StandardTypes.DOUBLE) double num, @SqlType(StandardTypes.VARCHAR) Slice unit) {
    String unitStr = unit.toStringUtf8().toUpperCase();
    EthereumUnit u = EthereumUnit.valueOf(unitStr);
    return u.toWei(num);
}
 
Example #4
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("fromWei")
@Description("fromWei")
@SqlType(StandardTypes.DOUBLE)
public static double fromWei(@SqlType(StandardTypes.DOUBLE) double num, @SqlType(StandardTypes.VARCHAR) Slice unit) {
    String unitStr = unit.toStringUtf8().toUpperCase();
    EthereumUnit u = EthereumUnit.valueOf(unitStr);
    return u.fromWei(num);
}
 
Example #5
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_phrase")
@Description("es match_phrase")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchPhrase(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchPhraseQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #6
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_query")
@Description("es match_query")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchQuery(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #7
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_phrase")
@Description("es match_phrase")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchPhrase(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchPhraseQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #8
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_query")
@Description("es match_query")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchQuery(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #9
Source File: MatchQueryFunction.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@ScalarFunction("match_query")
@Description("es match_query")
@SqlType(StandardTypes.VARCHAR)
@SqlNullable
public static Slice matchQuery(
        @SqlType(StandardTypes.VARCHAR) Slice filter)
{
    if (filter == null) {
        return null;
    }
    String filterStr = filter.toStringUtf8();

    QueryBuilder builder = QueryBuilders.matchQuery(MATCH_COLUMN_SEP, filterStr);
    return Slices.utf8Slice(builder.toString());
}
 
Example #10
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_gasPrice")
@Description("Returns current gas price")
@SqlType(StandardTypes.DOUBLE)
public static double ethGasPrice() throws IOException {
    return web3j.ethGasPrice().send().getGasPrice().doubleValue();
}
 
Example #11
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_blockNumber")
@Description("Returns current block number")
@SqlType(StandardTypes.BIGINT)
public static long ethBlockNumber() throws IOException {
    return web3j.ethBlockNumber().send().getBlockNumber().longValue();
}
 
Example #12
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getBalance")
@Description("Returns the balance of an address")
@SqlType(StandardTypes.DOUBLE)
public static double ethGetBalance(@SqlType(StandardTypes.VARCHAR) Slice address) throws IOException {
    return web3j.ethGetBalance(address.toStringUtf8(), DefaultBlockParameter.valueOf(LATEST)).send().getBalance().doubleValue();
}
 
Example #13
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getBalance")
@Description("Returns the balance of an address")
@SqlType(StandardTypes.DOUBLE)
public static double ethGetBalance(@SqlType(StandardTypes.VARCHAR) Slice address, @SqlType(StandardTypes.BIGINT) long blockNumber) throws IOException {
    return web3j.ethGetBalance(address.toStringUtf8(), DefaultBlockParameter.valueOf(BigInteger.valueOf(blockNumber))).send().getBalance().doubleValue();
}
 
Example #14
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getBalance")
@Description("Returns the balance of an address")
@SqlType(StandardTypes.DOUBLE)
public static double ethGetBalance(@SqlType(StandardTypes.VARCHAR) Slice address, @SqlType(StandardTypes.VARCHAR) Slice blockName) throws IOException {
    return web3j.ethGetBalance(address.toStringUtf8(), DefaultBlockParameter.valueOf(blockName.toStringUtf8())).send().getBalance().doubleValue();
}
 
Example #15
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getTransactionCount")
@Description("Returns the number of transactions from this address")
@SqlType(StandardTypes.BIGINT)
public static long ethGetTransactionCount(@SqlType(StandardTypes.VARCHAR) Slice address) throws IOException {
    return web3j.ethGetTransactionCount(address.toStringUtf8(), DefaultBlockParameter.valueOf(LATEST)).send().getTransactionCount().longValue();
}
 
Example #16
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getTransactionCount")
@Description("Returns the number of transactions from this address")
@SqlType(StandardTypes.BIGINT)
public static long ethGetTransactionCount(@SqlType(StandardTypes.VARCHAR) Slice address, @SqlType(StandardTypes.BIGINT) long blockNumber) throws IOException {
    return web3j.ethGetTransactionCount(address.toStringUtf8(), DefaultBlockParameter.valueOf(BigInteger.valueOf(blockNumber))).send().getTransactionCount().longValue();
}
 
Example #17
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("eth_getTransactionCount")
@Description("Returns the number of transactions from this address")
@SqlType(StandardTypes.BIGINT)
public static long ethGetTransactionCount(@SqlType(StandardTypes.VARCHAR) Slice address, @SqlType(StandardTypes.VARCHAR) Slice blockName) throws IOException {
    return web3j.ethGetTransactionCount(address.toStringUtf8(), DefaultBlockParameter.valueOf(blockName.toStringUtf8())).send().getTransactionCount().longValue();
}
 
Example #18
Source File: EthereumUDFs.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@ScalarFunction("isContract")
@Description("isContract")
@SqlType(StandardTypes.BOOLEAN)
public static boolean isContract(@SqlType(StandardTypes.VARCHAR) Slice address) throws IOException {
    return !web3j.ethGetCode(address.toStringUtf8(), DefaultBlockParameter.valueOf(LATEST)).send().getCode().equals(ZERO_X);
}