Marton Greber has uploaded this change for review. ( http://gerrit.cloudera.org:8080/19874
Change subject: KUDU-1945 Add Python example for non-unique PK ...................................................................... KUDU-1945 Add Python example for non-unique PK In commit 3019848d00ac721b30d98a1aeb77bc205352b7b5 a C++ client example has been added to showcase the usage of the non-unique PK. This patch translates this particular example to Python. The C++ examples are tested during upstream submission, however the Java and Python client examples are not tested automatically. Therefore, I did manual testing and created a ticket to track this improvement: KUDU-3478. Manual testing has been done using the following configurations: Ubuntu 18.04 x86_64: Python2.7 Ubuntu 18.04 x86_64: Python3.7 macOS Monterey M1(arm64): Python3.7 (I couldn't setup the Python2.7 interpreter properly on my mac) STDOUT of the example: kudu.Schema { non_unique_key int32 NOT NULL auto_incrementing_id int64 NOT NULL int_val int32 NOT NULL PRIMARY KEY (non_unique_key, auto_incrementing_id) } Demonstrating scanning ... (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 2, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 2, auto_incrementing_id: 5, int_val: 1) (non_unique_key: 2, auto_incrementing_id: 6, int_val: 2) Scanned some row(s) WHERE non_unique_key = 1 (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 2) Demonstrating UPDATE ... Updated row(s) WHERE non_unique_key = 1 AND int_val = 2 to int_val = 98 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) (non_unique_key: 2, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 2, auto_incrementing_id: 5, int_val: 1) (non_unique_key: 2, auto_incrementing_id: 6, int_val: 2) Updated row(s) WHERE non_unique_key = 2 to int_val = 99 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) (non_unique_key: 2, auto_incrementing_id: 4, int_val: 99) (non_unique_key: 2, auto_incrementing_id: 5, int_val: 99) (non_unique_key: 2, auto_incrementing_id: 6, int_val: 99) Updated row(s) WHERE non_unique_key = 2 AND auto_incrementing_id = 5\ to int_val = 100 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) (non_unique_key: 2, auto_incrementing_id: 4, int_val: 99) (non_unique_key: 2, auto_incrementing_id: 5, int_val: 100) (non_unique_key: 2, auto_incrementing_id: 6, int_val: 99) Demonstrating DELETE ... Deleted row(s) WHERE non_unique_key = 3 AND int_val = 1 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) (non_unique_key: 2, auto_incrementing_id: 4, int_val: 99) (non_unique_key: 2, auto_incrementing_id: 5, int_val: 100) (non_unique_key: 2, auto_incrementing_id: 6, int_val: 99) Deleted row(s) WHERE non_unique_key = 2 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 3, auto_incrementing_id: 3, int_val: 2) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) Deleted row(s) WHERE non_unique_key = 3 AND auto_incrementing_id = 3 (non_unique_key: 3, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 4, auto_incrementing_id: 4, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 1, int_val: 0) (non_unique_key: 1, auto_incrementing_id: 2, int_val: 1) (non_unique_key: 1, auto_incrementing_id: 3, int_val: 98) Deleted the table Done Change-Id: I1dd862c4f26b3d79ec268727363fae3426135f52 --- A examples/python/basic-python-example/non_unique_primary_key.py 1 file changed, 221 insertions(+), 0 deletions(-) git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/74/19874/1 -- To view, visit http://gerrit.cloudera.org:8080/19874 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I1dd862c4f26b3d79ec268727363fae3426135f52 Gerrit-Change-Number: 19874 Gerrit-PatchSet: 1 Gerrit-Owner: Marton Greber <greber...@gmail.com>