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// SPDX-License-Identifier: GPL-3.0-or-later
package postgres
import "database/sql"
func (p *Postgres) doQueryBloat() error {
if err := p.doDBQueryBloat(p.db); err != nil {
p.Warning(err)
}
for _, conn := range p.dbConns {
if conn.db == nil {
continue
}
if err := p.doDBQueryBloat(conn.db); err != nil {
p.Warning(err)
}
}
return nil
}
func (p *Postgres) doDBQueryBloat(db *sql.DB) error {
q := queryBloat()
var dbname, schema, table, iname string
var tableWasted, idxWasted int64
return p.doDBQuery(db, q, func(column, value string, rowEnd bool) {
switch column {
case "db":
dbname = value
case "schemaname":
schema = value
case "tablename":
table = value
case "wastedbytes":
tableWasted = parseFloat(value)
case "iname":
iname = value
case "wastedibytes":
idxWasted = parseFloat(value)
}
if !rowEnd {
return
}
if p.hasTableMetrics(table, dbname, schema) {
v := p.getTableMetrics(table, dbname, schema)
v.bloatSize = newInt(tableWasted)
v.bloatSizePerc = newInt(calcPercentage(tableWasted, v.totalSize))
}
if iname != "?" && p.hasIndexMetrics(iname, table, dbname, schema) {
v := p.getIndexMetrics(iname, table, dbname, schema)
v.bloatSize = newInt(idxWasted)
v.bloatSizePerc = newInt(calcPercentage(idxWasted, v.size))
}
})
}
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