| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package postgres |
| 4 | |
| 5 | import ( |
| 6 | "database/sql" |
| 7 | ) |
| 8 | |
| 9 | func (c *Collector) doQueryIndexesMetrics() error { |
| 10 | if err := c.doQueryStatUserIndexes(); err != nil { |
| 11 | return err |
| 12 | } |
| 13 | |
| 14 | return nil |
| 15 | } |
| 16 | |
| 17 | func (c *Collector) doQueryStatUserIndexes() error { |
| 18 | if err := c.doDBQueryStatUserIndexes(c.db); err != nil { |
| 19 | c.Warning(err) |
| 20 | } |
| 21 | for _, conn := range c.dbConns { |
| 22 | if conn.db == nil { |
| 23 | continue |
| 24 | } |
| 25 | if err := c.doDBQueryStatUserIndexes(conn.db); err != nil { |
| 26 | c.Warning(err) |
| 27 | } |
| 28 | } |
| 29 | return nil |
| 30 | } |
| 31 | |
| 32 | func (c *Collector) doDBQueryStatUserIndexes(db *sql.DB) error { |
| 33 | q := queryStatUserIndexes() |
| 34 | |
| 35 | var dbname, schema, table, name string |
| 36 | return c.doDBQuery(db, q, func(column, value string, _ bool) { |
| 37 | switch column { |
| 38 | case "datname": |
| 39 | dbname = value |
| 40 | case "schemaname": |
| 41 | schema = value |
| 42 | case "relname": |
| 43 | table = value |
| 44 | case "indexrelname": |
| 45 | name = removeSpaces(value) |
| 46 | c.getIndexMetrics(name, table, dbname, schema).updated = true |
| 47 | case "parent_relname": |
| 48 | c.getIndexMetrics(name, table, dbname, schema).parentTable = value |
| 49 | case "idx_scan": |
| 50 | c.getIndexMetrics(name, table, dbname, schema).idxScan = parseInt(value) |
| 51 | case "idx_tup_read": |
| 52 | c.getIndexMetrics(name, table, dbname, schema).idxTupRead = parseInt(value) |
| 53 | case "idx_tup_fetch": |
| 54 | c.getIndexMetrics(name, table, dbname, schema).idxTupFetch = parseInt(value) |
| 55 | case "size": |
| 56 | c.getIndexMetrics(name, table, dbname, schema).size = parseInt(value) |
| 57 | } |
| 58 | }) |
| 59 | } |