| set hive.vectorized.execution.enabled=false; |
| |
| CREATE TABLE test_orc (key STRING) |
| ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.orc.OrcSerde' |
| STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat' |
| OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'; |
| |
| ALTER TABLE test_orc SET SERDEPROPERTIES ('orc.row.index.stride' = '1000'); |
| |
| -- nulls.txt is a file containing a non-null string row followed by 1000 null string rows |
| -- this produces the effect that the number of non-null rows between the last and second |
| -- to last index stride are the same (there's only two index strides) |
| |
| CREATE TABLE src_null_n0(a STRING) STORED AS TEXTFILE; |
| LOAD DATA LOCAL INPATH '../../data/files/nulls.txt' INTO TABLE src_null_n0; |
| |
| INSERT OVERWRITE TABLE test_orc SELECT a FROM src_null_n0; |
| |
| SELECT * FROM test_orc LIMIT 5; |
