awips2/deltaScripts/14.2.1/dropLSRdataURI.sh
2022-05-05 12:34:50 -05:00

42 lines
1.5 KiB
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#!/bin/bash
# DR #2581 - this update script will drop the dataURI column from the lsr table
PSQL="/awips2/psql/bin/psql"
# takes one arg: a table name
# drops the datauri constraint and column if they exist
function dropDatauri {
echo "INFO: Dropping DataURI column from $1"
${PSQL} -U awips -d metadata -c "ALTER TABLE $1 DROP CONSTRAINT IF EXISTS ${1}_datauri_key;"
${PSQL} -U awips -d metadata -c "ALTER TABLE $1 DROP COLUMN IF EXISTS datauri;"
if [ $? -ne 0 ]; then
echo "ERROR: Failed to drop dataURI column for $table"
echo "FATAL: The update has failed."
exit 1
fi
}
# takes three args: table, constraint name, unique columns
# will first drop the constraint if it exists and then adds it back, this is
# fairly inefficient if it does exist but operationally it won't exist and for
# testing this allows the script to be run easily as a noop.
function dropDatauriAndAddConstraint {
dropDatauri $1
${PSQL} -U awips -d metadata -c "ALTER TABLE $1 DROP CONSTRAINT IF EXISTS $2;"
${PSQL} -U awips -d metadata -c "ALTER TABLE $1 ADD CONSTRAINT $2 UNIQUE $3;"
if [ $? -ne 0 ]; then
echo "ERROR: Failed to add new unique constraint for $table"
echo "FATAL: The update has failed."
exit 1
fi
${PSQL} -U awips -d metadata -c "VACUUM FULL ANALYZE $1"
}
echo "INFO: Dropping dataURI columns."
dropDatauriAndAddConstraint lsr lsr_latitude_longitude_officeId_reftime_forecasttime_eventtype_key "(latitude, longitude, officeId, reftime, forecasttime, eventtype)"
echo "INFO: LSR dataURI column dropped successfully"