forked from D-Net/dnet-hadoop
30 lines
1.3 KiB
Bash
30 lines
1.3 KiB
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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function createShadowDB() {
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SOURCE=$1
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SHADOW=$2
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# drop views from db
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for i in `impala-shell -i impala-cluster-dn1.openaire.eu -d ${SHADOW} --delimited -q "show tables"`;
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do
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`impala-shell -i impala-cluster-dn1.openaire.eu -d ${SHADOW} -q "drop view $i;"`;
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done
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impala-shell -i impala-cluster-dn1.openaire.eu -q "drop database ${SHADOW} CASCADE";
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impala-shell -i impala-cluster-dn1.openaire.eu -q "create database if not exists ${SHADOW}";
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# impala-shell -i impala-cluster-dn1.openaire.eu -d ${SHADOW} -q "show tables" | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" | impala-shell -i impala-cluster-dn1.openaire.eu -f -
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impala-shell -i impala-cluster-dn1.openaire.eu -d ${SOURCE} -q "show tables" --delimited | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${SOURCE}.\1;/" | impala-shell -i impala-cluster-dn1.openaire.eu -f -
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}
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MONITOR_DB=$1
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MONITOR_DB_SHADOW=$2
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createShadowDB $MONITOR_DB'_institutions' $MONITOR_DB'_institutions_shadow'
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createShadowDB $MONITOR_DB $MONITOR_DB'_shadow'
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