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我正在嘗試閱讀Apache Pig Latin中具有非分隔ascii組成的每一行的文本文件。也就是說，該行中的每一列都在該行的特定位置開始和結束。閱讀非分隔asciif文件Apache Pig拉丁文
樣品定義：
+--------+----------------+--------------+
| Column | Start Position | End Position |
+--------+----------------+--------------+
| A | 1 | 6 |
+--------+----------------+--------------+
| B | 8 | 11 |
+--------+----------------+--------------+
| C | 13 | 15 |
+--------+----------------+--------------+
樣本數據：
+---+---+---+---+---+---+---+----+---+----+----+----+----+----+----+
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+---+---+---+---+---+---+---+----+---+----+----+----+----+----+----+
| s | a | m | p | l | e | | d | a | t | a | | | h | i |
+---+---+---+---+---+---+---+----+---+----+----+----+----+----+----+
| d | u | d | e | | | | hi | | | | | b | r | o |
+---+---+---+---+---+---+---+----+---+----+----+----+----+----+----+
預期輸出：
sample, data, hi
dude, hi, bro
如何在豬閱讀本？ PigStorage似乎沒有足夠的靈活性來允許位置分隔，只有字符串分隔（逗號，製表符等）。