org.apache.parquet.filter2.predicate.Operators.BooleanColumn Java Examples

The following examples show how to use org.apache.parquet.filter2.predicate.Operators.BooleanColumn. 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: FilterApi.java    From parquet-mr with Apache License 2.0 4 votes vote down vote up
public static BooleanColumn booleanColumn(String columnPath) {
  return new BooleanColumn(ColumnPath.fromDotString(columnPath));
}
 
Example #2
Source File: TestColumnIndexBuilder.java    From parquet-mr with Apache License 2.0 4 votes vote down vote up
@Test
public void testBuildBoolean() {
  PrimitiveType type = Types.required(BOOLEAN).named("test_boolean");
  ColumnIndexBuilder builder = ColumnIndexBuilder.getBuilder(type, Integer.MAX_VALUE);
  assertThat(builder, instanceOf(BooleanColumnIndexBuilder.class));
  assertNull(builder.build());
  BooleanColumn col = booleanColumn("test_col");

  builder = ColumnIndexBuilder.getBuilder(type, Integer.MAX_VALUE);
  StatsBuilder sb = new StatsBuilder();
  builder.add(sb.stats(type, false, true));
  builder.add(sb.stats(type, true, false, null));
  builder.add(sb.stats(type, true, true, null, null));
  builder.add(sb.stats(type, null, null, null));
  builder.add(sb.stats(type, false, false));
  assertEquals(5, builder.getPageCount());
  assertEquals(sb.getMinMaxSize(), builder.getMinMaxSize());
  ColumnIndex columnIndex = builder.build();
  assertEquals(BoundaryOrder.UNORDERED, columnIndex.getBoundaryOrder());
  assertCorrectNullCounts(columnIndex, 0, 1, 2, 3, 0);
  assertCorrectNullPages(columnIndex, false, false, false, true, false);
  assertCorrectValues(columnIndex.getMaxValues(), true, true, true, null, false);
  assertCorrectValues(columnIndex.getMinValues(), false, false, true, null, false);
  assertCorrectFiltering(columnIndex, eq(col, true), 0, 1, 2);
  assertCorrectFiltering(columnIndex, eq(col, null), 1, 2, 3);
  assertCorrectFiltering(columnIndex, notEq(col, true), 0, 1, 2, 3, 4);
  assertCorrectFiltering(columnIndex, notEq(col, null), 0, 1, 2, 4);
  assertCorrectFiltering(columnIndex, userDefined(col, BooleanIsTrueOrNull.class), 0, 1, 2, 3);
  assertCorrectFiltering(columnIndex, invert(userDefined(col, BooleanIsTrueOrNull.class)), 0, 1, 4);

  builder = ColumnIndexBuilder.getBuilder(type, Integer.MAX_VALUE);
  sb = new StatsBuilder();
  builder.add(sb.stats(type, null, null));
  builder.add(sb.stats(type, false, false));
  builder.add(sb.stats(type, null, null, null));
  builder.add(sb.stats(type, null, null, null, null));
  builder.add(sb.stats(type, false, true, null));
  builder.add(sb.stats(type, false, true, null, null));
  builder.add(sb.stats(type, null, null, null));
  assertEquals(7, builder.getPageCount());
  assertEquals(sb.getMinMaxSize(), builder.getMinMaxSize());
  columnIndex = builder.build();
  assertEquals(BoundaryOrder.ASCENDING, columnIndex.getBoundaryOrder());
  assertCorrectNullCounts(columnIndex, 2, 0, 3, 4, 1, 2, 3);
  assertCorrectNullPages(columnIndex, true, false, true, true, false, false, true);
  assertCorrectValues(columnIndex.getMaxValues(), null, false, null, null, true, true, null);
  assertCorrectValues(columnIndex.getMinValues(), null, false, null, null, false, false, null);
  assertCorrectFiltering(columnIndex, eq(col, true), 4, 5);
  assertCorrectFiltering(columnIndex, eq(col, null), 0, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, notEq(col, true), 0, 1, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, notEq(col, null), 1, 4, 5);
  assertCorrectFiltering(columnIndex, userDefined(col, BooleanIsTrueOrNull.class), 0, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, invert(userDefined(col, BooleanIsTrueOrNull.class)), 1, 4, 5);

  builder = ColumnIndexBuilder.getBuilder(type, Integer.MAX_VALUE);
  sb = new StatsBuilder();
  builder.add(sb.stats(type, null, null));
  builder.add(sb.stats(type, true, true));
  builder.add(sb.stats(type, null, null, null));
  builder.add(sb.stats(type, null, null, null, null));
  builder.add(sb.stats(type, true, false, null));
  builder.add(sb.stats(type, false, false, null, null));
  builder.add(sb.stats(type, null, null, null));
  assertEquals(7, builder.getPageCount());
  assertEquals(sb.getMinMaxSize(), builder.getMinMaxSize());
  columnIndex = builder.build();
  assertEquals(BoundaryOrder.DESCENDING, columnIndex.getBoundaryOrder());
  assertCorrectNullCounts(columnIndex, 2, 0, 3, 4, 1, 2, 3);
  assertCorrectNullPages(columnIndex, true, false, true, true, false, false, true);
  assertCorrectValues(columnIndex.getMaxValues(), null, true, null, null, true, false, null);
  assertCorrectValues(columnIndex.getMinValues(), null, true, null, null, false, false, null);
  assertCorrectFiltering(columnIndex, eq(col, true), 1, 4);
  assertCorrectFiltering(columnIndex, eq(col, null), 0, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, notEq(col, true), 0, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, notEq(col, null), 1, 4, 5);
  assertCorrectFiltering(columnIndex, userDefined(col, BooleanIsTrueOrNull.class), 0, 1, 2, 3, 4, 5, 6);
  assertCorrectFiltering(columnIndex, invert(userDefined(col, BooleanIsTrueOrNull.class)), 4, 5);
}