本文整理了Java中org.apache.hadoop.hive.ql.io.orc.Reader.getStatistics方法的一些代码示例，展示了Reader.getStatistics的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Reader.getStatistics方法的具体详情如下：
包路径：org.apache.hadoop.hive.ql.io.orc.Reader
类名称：Reader
方法名：getStatistics

Reader.getStatistics介绍

[英]Get the statistics about the columns in the file.
[中]获取文件中列的统计信息。

代码示例

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(7500, stats[1].getNumberOfValues());
assertEquals(3750, ((BooleanColumnStatistics) stats[1]).getFalseCount());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(3, stats.length);
for(ColumnStatistics s: stats) {

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(2, stats[1].getNumberOfValues());
assertEquals(1, ((BooleanColumnStatistics) stats[1]).getFalseCount());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(2, stats[1].getNumberOfValues());
assertEquals(1, ((BooleanColumnStatistics) stats[1]).getFalseCount());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(4, stats[0].getNumberOfValues());
assertEquals("count: 4 hasNull: false", stats[0].toString());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(7500, stats[1].getNumberOfValues());
assertEquals(3750, ((BooleanColumnStatistics) stats[1]).getFalseCount());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(4, stats[0].getNumberOfValues());
assertEquals("count: 4 hasNull: false", stats[0].toString());

代码示例来源：origin: apache/hive

boolean[] columns = new boolean[reader.getStatistics().length];
columns[5] = true; // long colulmn
columns[9] = true; // text column

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(2, stats[1].getNumberOfValues());
assertEquals(1, ((BooleanColumnStatistics) stats[1]).getFalseCount());

代码示例来源：origin: apache/hive

boolean[] columns = new boolean[reader.getStatistics().length];
columns[5] = true; // long colulmn
columns[9] = true; // text column

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(2, stats[0].getNumberOfValues());
assertEquals(0, stats[1].getNumberOfValues());

代码示例来源：origin: apache/hive

assertEquals(5077, reader.getNumberOfRows());
DecimalColumnStatistics stats =
  (DecimalColumnStatistics) reader.getStatistics()[5];
assertEquals(71, stats.getNumberOfValues());
assertEquals(HiveDecimal.create("-5643.234"), stats.getMinimum());

代码示例来源：origin: apache/hive

ColumnStatistics[] stats = reader.getStatistics();
assertEquals(1003, stats[0].getNumberOfValues());
assertEquals(3, stats[1].getNumberOfValues());

代码示例来源：origin: com.facebook.presto.hive/hive-apache

ColumnStatistics[] stats = reader.getStatistics();
int colCount = stats.length;
System.out.println("\nFile Statistics:");