forked from D-Net/dnet-hadoop
19 lines
889 B
Bash
19 lines
889 B
Bash
export PYTHON_EGG_CACHE=/home/$(whoami)/.python-eggs
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export link_folder=/tmp/impala-shell-python-egg-cache-$(whoami)
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if ! [ -L $link_folder ]
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then
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rm -Rf "$link_folder"
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ln -sfn ${PYTHON_EGG_CACHE}${link_folder} ${link_folder}
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fi
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export SOURCE=$1
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export SHADOW=$2
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echo "Updating shadow database"
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impala-shell -q "invalidate metadata"
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impala-shell -d ${SOURCE} -q "invalidate metadata"
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impala-shell -d ${SOURCE} -q "show tables" --delimited | sed "s/^\(.*\)/compute stats ${SOURCE}.\1;/" | impala-shell -c -f -
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impala-shell -q "create database if not exists ${SHADOW}"
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impala-shell -d ${SHADOW} -q "show tables" --delimited | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" | impala-shell -c -f -
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impala-shell -d ${SOURCE} -q "show tables" --delimited | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${SOURCE}.\1;/" | impala-shell -c -f -
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echo "Shadow db ready!" |