Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 31, 2013, 11:04 p.m.) Review request for hive, Eric Hanson and Thejas Nair. Changes --- fixed unit test failures in TestCliDriver Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs (updated) - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 2ddb08f conf/hive-default.xml.template b94013a data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml 88e0890 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java fc9b7e4 ql/src/java/org/apache/hadoop/hive/ql/exec/FooterBuffer.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java daf4e4a ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 30, 2013, 10:41 p.m.) Review request for hive, Eric Hanson and Thejas Nair. Changes --- Fixed the patch based on Thejas's comment Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs (updated) - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 2ddb08f conf/hive-default.xml.template b94013a data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml 88e0890 itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java 03fd30a ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java fc9b7e4 ql/src/java/org/apache/hadoop/hive/ql/exec/FooterBuffer.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java daf4e4a ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/#review30872 --- ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59093 It would be better to have FooterBuffer as a top level class in this package (...ql.exec) ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59099 indentation needs fixing here ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59103 can you please change the variable name from ret to something more descriptive like notEOF ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59104 return false, is little more easy to read ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59100 indentation needs fixing here ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59106 can you please change the variable name from ret to something more descriptive like notEOF ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59107 this else block looks unnecessary (as mentioned in my previous review) ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java https://reviews.apache.org/r/16184/#comment59105 indentation needs fixing here - Thejas Nair On Dec. 19, 2013, 12:40 a.m., Shuaishuai Nie wrote: --- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 19, 2013, 12:40 a.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template 1b30d19 data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml 971c5d3 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java fc9b7e4 ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java 9afc80b ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/#review30876 --- ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java https://reviews.apache.org/r/16184/#comment59110 how about using the new utilitiy functions from here as well? - Thejas Nair On Dec. 19, 2013, 12:40 a.m., Shuaishuai Nie wrote: --- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 19, 2013, 12:40 a.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template 1b30d19 data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml 971c5d3 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java fc9b7e4 ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java 9afc80b ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 19, 2013, 12:40 a.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs (updated) - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template 1b30d19 data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml 971c5d3 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java fc9b7e4 ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java 9afc80b ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/#review30523 --- ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58465 skipHeader and initiaizeFooterBuf can be moved to a common util class and shared. We just need to pass the member variables as additional params ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58463 code such as this block for parsing header count can be moved to a util class and shared between the two places ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58464 code such as this block for parsing header count can be moved to a util class and shared between the two places ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58466 logic of this block also looks same in 2 places, can we move it to a common util function ? - Thejas Nair On Dec. 11, 2013, 9:19 p.m., Shuaishuai Nie wrote: --- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 11, 2013, 9:19 p.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template c61a0bb data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml c3cbb89 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java d2b2526 ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/#review30489 --- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java https://reviews.apache.org/r/16184/#comment58323 fix comment to say max number of lines of footer user can set for a table file ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58324 Please use block comment style for multi-line comments. Please use full sentences and proper punctuation (start with capital letter, end with period). - Eric Hanson On Dec. 11, 2013, 9:19 p.m., Shuaishuai Nie wrote: --- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 11, 2013, 9:19 p.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template c61a0bb data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml c3cbb89 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java d2b2526 ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Re: Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/#review30516 --- ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58439 can you add a javadoc comment describing the what the return value is ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58440 can you add a javadoc comment describing the what the return value is ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58441 This variable name was used before as well. But can you rename this variable to something more descriptive like opNotEOF, while you are making these changes? ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58442 please use braces for the if condition - if (ret) {.. ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java https://reviews.apache.org/r/16184/#comment58443 duplicate if block. ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java https://reviews.apache.org/r/16184/#comment58438 In your comment in previous reviewboard link, you say that ObjectPair can't be used because I need deep copy of the key and value field through ReflectionUtils. But the use of ReflectionUtils is not happening from within KVPair. I haven't understood why ObjectPair can't be used instead. ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java https://reviews.apache.org/r/16184/#comment58445 can you add this to the comment (unfortunately ReflectionsUtils.copy is poorly/incorrectly documented, created HADOOP-10168) // copy value from footerBuf to key,value ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java https://reviews.apache.org/r/16184/#comment58446 Please don't use same variable name as member variable, it gets very confusing! :) maybe, call it inputEOF ? pls add comment - //read new value into the buffer ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java https://reviews.apache.org/r/16184/#comment58447 looks like this else statement is not needed. the copy has already been done. Comments applicable to the FetchOperator also ql/src/test/queries/clientnegative/file_with_header_footer_negative.q https://reviews.apache.org/r/16184/#comment58444 can you also add a test case with a table with empty file ? - Thejas Nair On Dec. 11, 2013, 9:19 p.m., Shuaishuai Nie wrote: --- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- (Updated Dec. 11, 2013, 9:19 p.m.) Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template c61a0bb data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml c3cbb89 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java d2b2526 ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie
Review Request 16184: Hive should be able to skip header and footer rows when reading data file for a table (HIVE-5795)
--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16184/ --- Review request for hive, Eric Hanson and Thejas Nair. Bugs: hive-5795 https://issues.apache.org/jira/browse/hive-5795 Repository: hive-git Description --- Hive should be able to skip header and footer rows when reading data file for a table (follow up with review https://reviews.apache.org/r/15663/diff/#index_header) Diffs - common/src/java/org/apache/hadoop/hive/conf/HiveConf.java fa3e048 conf/hive-default.xml.template c61a0bb data/files/header_footer_table_1/0001.txt PRE-CREATION data/files/header_footer_table_1/0002.txt PRE-CREATION data/files/header_footer_table_1/0003.txt PRE-CREATION data/files/header_footer_table_2/2012/01/01/0001.txt PRE-CREATION data/files/header_footer_table_2/2012/01/02/0002.txt PRE-CREATION data/files/header_footer_table_2/2012/01/03/0003.txt PRE-CREATION itests/qtest/pom.xml c3cbb89 ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java d2b2526 ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java dd5cb6b ql/src/java/org/apache/hadoop/hive/ql/io/HiveInputFormat.java 974a5d6 ql/src/test/org/apache/hadoop/hive/ql/io/TestHiveBinarySearchRecordReader.java 85dd975 ql/src/test/org/apache/hadoop/hive/ql/io/TestSymlinkTextInputFormat.java 0686d9b ql/src/test/queries/clientnegative/file_with_header_footer_negative.q PRE-CREATION ql/src/test/queries/clientpositive/file_with_header_footer.q PRE-CREATION ql/src/test/results/clientnegative/file_with_header_footer_negative.q.out PRE-CREATION ql/src/test/results/clientpositive/file_with_header_footer.q.out PRE-CREATION serde/if/serde.thrift 2ceb572 serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/serdeConstants.java 22a6168 Diff: https://reviews.apache.org/r/16184/diff/ Testing --- Thanks, Shuaishuai Nie