| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package postgres |
| 4 | |
| 5 | import "database/sql" |
| 6 | |
| 7 | func (c *Collector) doQueryBloat() error { |
| 8 | if err := c.doDBQueryBloat(c.db); err != nil { |
| 9 | c.Warning(err) |
| 10 | } |
| 11 | for _, conn := range c.dbConns { |
| 12 | if conn.db == nil { |
| 13 | continue |
| 14 | } |
| 15 | if err := c.doDBQueryBloat(conn.db); err != nil { |
| 16 | c.Warning(err) |
| 17 | } |
| 18 | } |
| 19 | return nil |
| 20 | } |
| 21 | |
| 22 | func (c *Collector) doDBQueryBloat(db *sql.DB) error { |
| 23 | q := queryBloat() |
| 24 | |
| 25 | for _, m := range c.mx.tables { |
| 26 | if m.bloatSize != nil { |
| 27 | m.bloatSize = new(int64(0)) |
| 28 | } |
| 29 | if m.bloatSizePerc != nil { |
| 30 | m.bloatSizePerc = new(int64(0)) |
| 31 | } |
| 32 | } |
| 33 | for _, m := range c.mx.indexes { |
| 34 | if m.bloatSize != nil { |
| 35 | m.bloatSize = new(int64(0)) |
| 36 | } |
| 37 | if m.bloatSizePerc != nil { |
| 38 | m.bloatSizePerc = new(int64(0)) |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | var dbname, schema, table, iname string |
| 43 | var tableWasted, idxWasted int64 |
| 44 | return c.doDBQuery(db, q, func(column, value string, rowEnd bool) { |
| 45 | switch column { |
| 46 | case "db": |
| 47 | dbname = value |
| 48 | case "schemaname": |
| 49 | schema = value |
| 50 | case "tablename": |
| 51 | table = value |
| 52 | case "wastedbytes": |
| 53 | tableWasted = parseFloat(value) |
| 54 | case "iname": |
| 55 | iname = removeSpaces(value) |
| 56 | case "wastedibytes": |
| 57 | idxWasted = parseFloat(value) |
| 58 | } |
| 59 | if !rowEnd { |
| 60 | return |
| 61 | } |
| 62 | if c.hasTableMetrics(table, dbname, schema) { |
| 63 | v := c.getTableMetrics(table, dbname, schema) |
| 64 | v.bloatSize = new(tableWasted) |
| 65 | v.bloatSizePerc = new(calcPercentage(tableWasted, v.totalSize)) |
| 66 | } |
| 67 | if iname != "?" && c.hasIndexMetrics(iname, table, dbname, schema) { |
| 68 | v := c.getIndexMetrics(iname, table, dbname, schema) |
| 69 | v.bloatSize = new(idxWasted) |
| 70 | v.bloatSizePerc = new(calcPercentage(idxWasted, v.size)) |
| 71 | } |
| 72 | }) |
| 73 | } |