Files
impala/testdata/bin/check-schema-diff.sh
Dan Hecht ffa7829b70 IMPALA-3918: Remove Cloudera copyrights and add ASF license header
For files that have a Cloudera copyright (and no other copyright
notice), make changes to follow the ASF source file header policy here:

http://www.apache.org/legal/src-headers.html#headers

Specifically:
1) Remove the Cloudera copyright.
2) Modify NOTICE.txt according to
   http://www.apache.org/legal/src-headers.html#notice
   to follow that format and add a line for Cloudera.
3) Replace or add the existing ASF license text with the one given
   on the website.

Much of this change was automatically generated via:

git grep -li 'Copyright.*Cloudera' > modified_files.txt
cat modified_files.txt | xargs perl -n -i -e 'print unless m#Copyright.*Cloudera#i;'
cat modified_files_txt | xargs fix_apache_license.py [1]

Some manual fixups were performed following those steps, especially when
license text was completely missing from the file.

[1] https://gist.github.com/anonymous/ff71292094362fc5c594 with minor
    modification to ORIG_LICENSE to match Impala's license text.

Change-Id: I2e0bd8420945b953e1b806041bea4d72a3943d86
Reviewed-on: http://gerrit.cloudera.org:8080/3779
Reviewed-by: Dan Hecht <dhecht@cloudera.com>
Tested-by: Internal Jenkins
2016-08-09 08:19:41 +00:00

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#!/bin/bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Check if a reference githash exists in hdfs; If it does, diff the directories that
# contain the schemas against the current HEAD.
# This script exits with 0 and 1 as the returncodes
# - 0 implies that the schema diff is emppty, or that a reference githash was not found.
# - 1 implies that the schemas have changed.
set -euo pipefail
trap 'echo Error in $0 at line $LINENO: $(cd "'$PWD'" && awk "NR == $LINENO" $0)' ERR
. ${IMPALA_HOME}/bin/impala-config.sh > /dev/null 2>&1
DATASET=${1-}
hdfs dfs -test -e ${WAREHOUSE_LOCATION_PREFIX}/test-warehouse/githash.txt || { exit 0; }
GIT_HASH=$(echo $(hdfs dfs -cat ${WAREHOUSE_LOCATION_PREFIX}/test-warehouse/githash.txt))
if ! git show $GIT_HASH &>/dev/null; then
echo The git commit used to create the test warehouse snapshot is not available \
locally. Fetching the latest commits from remotes.
git fetch --all &>/dev/null
fi
# Check whether a non-empty diff exists.
git diff --exit-code ${GIT_HASH}..HEAD ${IMPALA_HOME}/testdata/datasets/$DATASET
git diff --exit-code ${GIT_HASH}..HEAD ${IMPALA_HOME}/testdata/avro_schema_resolution