Examples with DictionaryBlock io.prestosql.spi.block.DictionaryBlock used on opensource projects

Example 21 with DictionaryBlock

use of io.prestosql.spi.block.DictionaryBlock in project boostkit-bigdata by kunpengcompute.

the class OperatorUtils method buildDictionaryBlock.

private static Block buildDictionaryBlock(Block block, int positionCount) {
    DictionaryVec dictionaryVec = (DictionaryVec) block.getValues();
    int[] newIds = dictionaryVec.getIds(positionCount);
    Block dictionary = buildOnHeapBlock(((DictionaryOmniBlock) block).getDictionary());
    return new DictionaryBlock(dictionary, newIds);
}

Example 22 with DictionaryBlock

use of io.prestosql.spi.block.DictionaryBlock in project boostkit-bigdata by kunpengcompute.

the class BlockUtil method createDoubleDictionaryBlock.

public static Block createDoubleDictionaryBlock(int start, int length) {
    checkArgument(length > 5, "block must have more than 5 entries");
    int dictionarySize = length / 5;
    BlockBuilder builder = DOUBLE.createBlockBuilder(null, dictionarySize);
    for (int i = start; i < start + dictionarySize; i++) {
        DOUBLE.writeDouble(builder, i);
    }
    int[] ids = new int[length];
    for (int i = 0; i < length; i++) {
        ids[i] = i % dictionarySize;
    }
    return new DictionaryBlock(builder.build(), ids);
}

Example 23 with DictionaryBlock

use of io.prestosql.spi.block.DictionaryBlock in project boostkit-bigdata by kunpengcompute.

the class BlockUtil method createRealDictionaryBlock.

public static Block createRealDictionaryBlock(int start, int length) {
    checkArgument(length > 5, "block must have more than 5 entries");
    int dictionarySize = length / 5;
    BlockBuilder builder = REAL.createBlockBuilder(null, dictionarySize);
    for (int i = start; i < start + dictionarySize; i++) {
        REAL.writeLong(builder, i);
    }
    int[] ids = new int[length];
    for (int i = 0; i < length; i++) {
        ids[i] = i % dictionarySize;
    }
    return new DictionaryBlock(builder.build(), ids);
}

Example 24 with DictionaryBlock

use of io.prestosql.spi.block.DictionaryBlock in project boostkit-bigdata by kunpengcompute.

the class BlockUtil method createBooleanDictionaryBlock.

public static Block createBooleanDictionaryBlock(int start, int length) {
    checkArgument(length > 5, "block must have more than 5 entries");
    int dictionarySize = length / 5;
    BlockBuilder builder = BOOLEAN.createBlockBuilder(null, dictionarySize);
    for (int i = start; i < start + dictionarySize; i++) {
        BOOLEAN.writeBoolean(builder, i % 2 == 0);
    }
    int[] ids = new int[length];
    for (int i = 0; i < length; i++) {
        ids[i] = i % dictionarySize;
    }
    return new DictionaryBlock(builder.build(), ids);
}

Example 25 with DictionaryBlock

use of io.prestosql.spi.block.DictionaryBlock in project boostkit-bigdata by kunpengcompute.

the class BlockUtil method createDateDictionaryBlock.

public static Block createDateDictionaryBlock(int start, int length) {
    checkArgument(length > 5, "block must have more than 5 entries");
    int dictionarySize = length / 5;
    BlockBuilder builder = DATE.createBlockBuilder(null, dictionarySize);
    for (int i = start; i < start + dictionarySize; i++) {
        DATE.writeLong(builder, i);
    }
    int[] ids = new int[length];
    for (int i = 0; i < length; i++) {
        ids[i] = i % dictionarySize;
    }
    return new DictionaryBlock(builder.build(), ids);
}