Zebra Change Log Trunk (unreleased changes) INCOMPATIBLE CHANGES PIG-1455 Addition of test-unit as an ant target (yanz) PIG-1451 Change the build.test property in build to test.build.dir to be consistent with PIG (yanz) PIG-1444 Addition of test-smoke ant target (gauravj via yanz) PIG-1253 exclusion of the column group security test from the test suite (chaow via yanz) PIG-1164 Addition of smoke tests (gauravj via yanz) IMPROVEMENTS PIG-1206 Storing descendingly sorted PIG table as unsorted table (yanz) PIG-1125 Map/Reduce API Changes (Chao Wang via yanz) PIG-1104 Streaming Support (Chao Wang via yanz) PIG-1119 Support of "group" as a column name (Gaurav Jain via yanz) PIG-1111 Multiple Outputs Support (Gaurav Jain via yanz) PIG-653 Pig Projection Push Down (Gaurav Jain via yanz) PIG-1098 Zebra Performance Optimizations (yanz via gates) PIG-1077 Support record(row)-based file split in Zebra's TableInputFormat (chaow via gates) PIG-1089 Use Pig's version for Zebra's own versi (chaow via olgan) PIG-1069 Order Preserving Sorted Table Union (yanz via gates) PIG-997 Sorted Table Support by Zebra (yanz via gates) PIG-996 Add findbugs, checkstyle, and clover to zebra build file (chaow via gates) PIG-993 Ability to drop a column group in a table (yanz and rangadi via gates) PIG-992 Separate schema related files into a schema package (yanz via gates) OPTIMIZATIONS BUG FIXES PIG-1227: Throw exception if column group meta file is missing for an unsorted table (yanz) PIG-1201: unnecessary name node calls by each mapper; too big input split serialization size by Pig's Slice implementation (yanz) PIG-1167: Hadoop file glob support (yanz) PIG-1145: Merge Join on Large Table throws an EOF exception (yanz) PIG-1074 Zebra store function should allow '::' in column names in output schema (yanz via gates) PIG-1095: Schema support of anonymous fields in COLECTION fails (yanz via gates) PIG-1078: merge join with empty table failed (yanz via gates) PIG-1091: Exception when load with projection of map keys on a map column that is not map split (yanz via gates) PIG-1026: [zebra] map split returns null (yanz via pradeepkth) PIG-1057 Zebra does not support concurrent deletions of column groups now (chaow via gates). PIG-944 Change schema to be taken from StoreConfig instead of TableStorer's constructor (yanz via gates). PIG-918. Fix infinite loop only columns in first column group are specified. (Yan Zhou via rangadi) PIG-949. If an entire map is placed in non default column group, and a specific key placed in another CG, the second CG did not work as expected. (Yan Zhou, Jing Huang (tests) via rangadi) PIG-987. Access control for column groups. Users can specifify desired group, owner, and, permissions for a column group. (Yan Zhou via rangadi) PIG-991. Various minor bugs. (Yan Zhou via rangadi) PIG-986. Column groups can have explicit names specified in storage hint. (Yan Zhou via rangadi)