make default conservative true (#1082)

support create index and refresh index on multi partitions with diffe…

…rent location (#1063)

When partitions in same table have different locations (user may call "ALTER TABLE xx PARTITION xx SET LOCATION XX" to modify partition location ), create and refresh index command will failed, we should fix this.

Update README.md for branch-0.5 (#996)

* Update README.md for branch-0.5

* Revert "Update README.md for branch-0.5"

This reverts commit 68f7b92.

* Correct the previous mistake

* Correct oindex

* adjust contributors

 Add OapOrcUtils to fix #935 (#943)

Add OapOrcUtils instead of importing UTF8String.java from spark2.3.
Fix #935

modify version in pom.xml

fix the issue of #772 (Can't acquire memory from spark Memory Manager…

…) (#790)

* fix the Can't acquire memory from spark Memory Manager

* update the unit test to test whether OapRuntime is created once

* change the location of OapRuntimeSuite and  delete the origin OapRuntimeSuite

* add an empty line at the end of OapRuntimeSuite

* wait the thread complete and eliminate empty line

prepare 0.4.0 rc1

follow up #561 release footer cache in bitmap scanner (#573)

* follow up #561

* set to null after release

prepare 0.3.0 rc1

OAP v0.2.0 release