37 lines
1.1 KiB
Bash
37 lines
1.1 KiB
Bash
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#!/bin/bash
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# After a successful pg_upgrade, statistics are lost.
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# Once the new cluster is running, run this script to regenerate the
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# statistics.
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#
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# This script also rebuilds any existing hash indexes, which is a requirement
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# for this upgrade.
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#
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# Author: tgurney
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here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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source "${here}/settings.sh" || exit 1
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databases=$("${psql}" --db $default_db -U $db_admin_user -Atc "
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select datname
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from pg_database
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where datistemplate = false
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and datname not in ('awips', 'postgres');
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")
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for dbname in ${databases}; do
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if [[ "$(id -u)" -eq 0 ]]; then
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sudo -u awips "${vacuumdb}" --username $db_admin_user --analyze-in-stages ${dbname}
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else
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"${vacuumdb}" --username $db_admin_user --analyze-in-stages ${dbname}
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fi
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indexes=$("${psql}" --db $dbname -U $db_admin_user -Atc "
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select '\"' || schemaname || '\"' || '.' || '\"' || indexname || '\"'
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from pg_indexes
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where indexdef ilike '% using hash%';
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")
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for indname in ${indexes}; do
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"${psql}" -a --db=$dbname -U $db_admin_user -c "reindex index $indname;"
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done
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done
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