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This patch checks the test-warehouse's stored githash (if it exists) to determine if the current patch has changed the schema if a table. If a change is detected, we force load all the data. Change-Id: I314f9f3364d3e6b2d66de38a9e6d9f57c4e279a7 Reviewed-on: http://gerrit.ent.cloudera.com:8080/3049 Reviewed-by: Ishaan Joshi <ishaan@cloudera.com> Tested-by: jenkins
28 lines
1.2 KiB
Bash
Executable File
28 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2012 Cloudera Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Check if a reference githash exists in hdfs; If it does, diff the directories that
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# contain the schemas against the current HEAD.
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# This script exits with 0 and 1 as the returncodes
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# - 0 implies that the schema diff is emppty, or that a reference githash was not found.
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# - 1 implies that the schemas have changed.
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set -ex
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# If /test-warehouse/githash.txt does not exist, exit with a 0
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hdfs dfs -test -e /test-warehouse/githash.txt || { exit 0; }
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GIT_HASH=$(echo $(hdfs dfs -cat /test-warehouse/githash.txt))
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# Check whether a non-empty diff exists.
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# TODO: Make this more granular (on the level of a dataset)
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git diff --exit-code ${GIT_HASH}..HEAD ${IMPALA_HOME}/testdata/datasets
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