Java Code Examples for org.apache.parquet.filter2.predicate.FilterApi#lt()

The following examples show how to use org.apache.parquet.filter2.predicate.FilterApi#lt() . 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: ParquetTableSource.java From flink with Apache License 2.0

6 votes

@Nullable
private FilterPredicate lessThan(Expression exp, Tuple2<Column, Comparable> columnPair) {
	Preconditions.checkArgument(exp instanceof LessThan, "exp has to be LessThan");

	if (columnPair.f0 instanceof IntColumn) {
		return FilterApi.lt((IntColumn) columnPair.f0, (Integer) columnPair.f1);
	} else if (columnPair.f0 instanceof LongColumn) {
		return FilterApi.lt((LongColumn) columnPair.f0, (Long) columnPair.f1);
	} else if (columnPair.f0 instanceof DoubleColumn) {
		return FilterApi.lt((DoubleColumn) columnPair.f0, (Double) columnPair.f1);
	} else if (columnPair.f0 instanceof FloatColumn) {
		return FilterApi.lt((FloatColumn) columnPair.f0, (Float) columnPair.f1);
	}

	return null;
}

Example 2

Source File: ParquetFilters.java From iceberg with Apache License 2.0

6 votes

@SuppressWarnings("checkstyle:MethodTypeParameterName")
private static <C extends Comparable<C>, COL extends Operators.Column<C> & Operators.SupportsLtGt>
    FilterPredicate pred(Operation op, COL col, C value) {
  switch (op) {
    case IS_NULL:
      return FilterApi.eq(col, null);
    case NOT_NULL:
      return FilterApi.notEq(col, null);
    case EQ:
      return FilterApi.eq(col, value);
    case NOT_EQ:
      return FilterApi.notEq(col, value);
    case GT:
      return FilterApi.gt(col, value);
    case GT_EQ:
      return FilterApi.gtEq(col, value);
    case LT:
      return FilterApi.lt(col, value);
    case LT_EQ:
      return FilterApi.ltEq(col, value);
    default:
      throw new UnsupportedOperationException("Unsupported predicate operation: " + op);
  }
}

Example 3

Source File: ParquetFilters.java From iceberg with Apache License 2.0

6 votes

private static
<C extends Comparable<C>, COL extends Operators.Column<C> & Operators.SupportsLtGt>
FilterPredicate pred(Operation op, COL col, C value) {
  switch (op) {
    case IS_NULL:
      return FilterApi.eq(col, null);
    case NOT_NULL:
      return FilterApi.notEq(col, null);
    case EQ:
      return FilterApi.eq(col, value);
    case NOT_EQ:
      return FilterApi.notEq(col, value);
    case GT:
      return FilterApi.gt(col, value);
    case GT_EQ:
      return FilterApi.gtEq(col, value);
    case LT:
      return FilterApi.lt(col, value);
    case LT_EQ:
      return FilterApi.ltEq(col, value);
    default:
      throw new UnsupportedOperationException("Unsupported predicate operation: " + op);
  }
}

Example 4

Source File: ParquetTableSource.java From flink with Apache License 2.0

6 votes

@Nullable
private FilterPredicate lessThan(Expression exp, Tuple2<Column, Comparable> columnPair) {
	Preconditions.checkArgument(exp instanceof LessThan, "exp has to be LessThan");

	if (columnPair.f0 instanceof IntColumn) {
		return FilterApi.lt((IntColumn) columnPair.f0, (Integer) columnPair.f1);
	} else if (columnPair.f0 instanceof LongColumn) {
		return FilterApi.lt((LongColumn) columnPair.f0, (Long) columnPair.f1);
	} else if (columnPair.f0 instanceof DoubleColumn) {
		return FilterApi.lt((DoubleColumn) columnPair.f0, (Double) columnPair.f1);
	} else if (columnPair.f0 instanceof FloatColumn) {
		return FilterApi.lt((FloatColumn) columnPair.f0, (Float) columnPair.f1);
	}

	return null;
}