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// SPDX-License-Identifier: GPL-3.0-or-later
package postgres
import (
"database/sql"
)
func (p *Postgres) doQueryIndexesMetrics() error {
if err := p.doQueryStatUserIndexes(); err != nil {
return err
}
return nil
}
func (p *Postgres) doQueryStatUserIndexes() error {
if err := p.doDBQueryStatUserIndexes(p.db); err != nil {
p.Warning(err)
}
for _, conn := range p.dbConns {
if conn.db == nil {
continue
}
if err := p.doDBQueryStatUserIndexes(conn.db); err != nil {
p.Warning(err)
}
}
return nil
}
func (p *Postgres) doDBQueryStatUserIndexes(db *sql.DB) error {
q := queryStatUserIndexes()
var dbname, schema, table, name string
return p.doDBQuery(db, q, func(column, value string, _ bool) {
switch column {
case "datname":
dbname = value
case "schemaname":
schema = value
case "relname":
table = value
case "indexrelname":
name = value
p.getIndexMetrics(name, table, dbname, schema).updated = true
case "parent_relname":
p.getIndexMetrics(name, table, dbname, schema).parentTable = value
case "idx_scan":
p.getIndexMetrics(name, table, dbname, schema).idxScan = parseInt(value)
case "idx_tup_read":
p.getIndexMetrics(name, table, dbname, schema).idxTupRead = parseInt(value)
case "idx_tup_fetch":
p.getIndexMetrics(name, table, dbname, schema).idxTupFetch = parseInt(value)
case "size":
p.getIndexMetrics(name, table, dbname, schema).size = parseInt(value)
}
})
}
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