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Exists check for database and user #20

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Exists check for database and user #20

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6 changes: 3 additions & 3 deletions create-multiple-postgresql-databases.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,9 @@ set -u
function create_user_and_database() {
local database=$1
echo " Creating user and database '$database'"
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
CREATE USER $database;
CREATE DATABASE $database;
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "postgres" <<-EOSQL
SELECT 'CREATE USER ' || LOWER(TRIM('$database')) AS create_user_query WHERE NOT EXISTS (SELECT FROM pg_catalog.pg_roles WHERE rolname = LOWER(TRIM('$database')));\gexec
SELECT 'CREATE DATABASE ' || LOWER(TRIM('$database')) || ' WITH OWNER "$POSTGRES_USER" ENCODING "UTF8" LC_COLLATE = "en_US.UTF-8" LC_CTYPE = "en_US.UTF-8" TEMPLATE="template0"' AS create_table_query WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = LOWER(TRIM('$database')));\gexec
GRANT ALL PRIVILEGES ON DATABASE $database TO $database;
EOSQL
}
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