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Merged
semseysandor merged 1 commit into from
Oct 16, 2025
Merged

lib/db: db-query support patterns for db name #97

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4 changes: 2 additions & 2 deletions docs/lib/db.md
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Original file line number Diff line number Diff line change
Expand Up @@ -137,15 +137,15 @@ PATTERN Pattern to filter tables.

## db-query

Execute single queries on a database.
Execute single queries on a database, or multiple databases if DB name contains SQL style wildcard `%`.

**Usage**

```
db-query DB QUERY [EXTRA]...

Params:
DB Database name
DB Database name or pattern (with % as wildcard - SQL style)
QUERY Query to execute
EXTRA Optional extra params to 'mysql'
```
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14 changes: 11 additions & 3 deletions lib/db.sh
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Expand Up @@ -105,15 +105,23 @@ db-list-tables() {

## Run single query
##
## @param $1 DB name
## @param $1 DB name or pattern
## @param $2 Query
## @param $* Extra args to mysql
####################################
db-query() {
local db="${1:?DB name missing}"
local db="${1:?DB name or pattern missing}"
local query="${2:?Query missing}"
shift 2
sudo mysql -D "${db}" -e "${query}" "${@}"

if [[ "${db}" == *%* ]]; then
while read -r database; do
print-header "DB: ${database}"
db-query "${database}" "${query}" "${@}"
done < <(sudo mysql -Bse "SHOW DATABASES LIKE '${db}'" || true)
else
sudo mysql -D "${db}" -e "${query}" "${@}"
fi
}

## Replace string in table
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