+++ /dev/null
-// This file contains the library routines for managing the
-// table_lock_waits_summary_by_table table.
-package table_lock_waits_summary_by_table
-
-import (
- "database/sql"
- _ "github.com/go-sql-driver/mysql"
- "time"
-
- "github.com/sjmudd/pstop/lib"
- "github.com/sjmudd/pstop/p_s"
-)
-
-// a table of rows
-type Table_lock_waits_summary_by_table struct {
- p_s.RelativeStats
- p_s.InitialTime
- initial table_lock_waits_summary_by_table_rows // initial data for relative values
- current table_lock_waits_summary_by_table_rows // last loaded values
- results table_lock_waits_summary_by_table_rows // results (maybe with subtraction)
- totals table_lock_waits_summary_by_table_row // totals of results
-}
-
-// Collect data from the db, then merge it in.
-func (t *Table_lock_waits_summary_by_table) Collect(dbh *sql.DB) {
- start := time.Now()
- t.current = select_tlwsbt_rows(dbh)
-
- if len(t.initial) == 0 && len(t.current) > 0 {
- t.initial = make(table_lock_waits_summary_by_table_rows, len(t.current))
- copy(t.initial, t.current)
- }
-
- // check for reload initial characteristics
- if t.initial.needs_refresh(t.current) {
- t.initial = make(table_lock_waits_summary_by_table_rows, len(t.current))
- copy(t.initial, t.current)
- }
-
- t.make_results()
- lib.Logger.Println("Table_lock_waits_summary_by_table.Collect() took:", time.Duration(time.Since(start)).String())
-}
-
-func (t *Table_lock_waits_summary_by_table) make_results() {
- // lib.Logger.Println( "- t.results set from t.current" )
- t.results = make(table_lock_waits_summary_by_table_rows, len(t.current))
- copy(t.results, t.current)
- if t.WantRelativeStats() {
- // lib.Logger.Println( "- subtracting t.initial from t.results as WantRelativeStats()" )
- t.results.subtract(t.initial)
- }
-
- // lib.Logger.Println( "- sorting t.results" )
- t.results.sort()
- // lib.Logger.Println( "- collecting t.totals from t.results" )
- t.totals = t.results.totals()
-}
-
-// reset the statistics to current values
-func (t *Table_lock_waits_summary_by_table) SyncReferenceValues() {
- t.SetNow()
- t.initial = make(table_lock_waits_summary_by_table_rows, len(t.current))
- copy(t.initial, t.current)
-
- t.make_results()
-}
-
-// return the headings for a table
-func (t Table_lock_waits_summary_by_table) Headings() string {
- var r table_lock_waits_summary_by_table_row
-
- return r.headings()
-}
-
-// return the rows we need for displaying
-func (t Table_lock_waits_summary_by_table) RowContent(max_rows int) []string {
- rows := make([]string, 0, max_rows)
-
- for i := range t.results {
- if i < max_rows {
- rows = append(rows, t.results[i].row_content(t.totals))
- }
- }
-
- return rows
-}
-
-// return all the totals
-func (t Table_lock_waits_summary_by_table) TotalRowContent() string {
- return t.totals.row_content(t.totals)
-}
-
-// return an empty string of data (for filling in)
-func (t Table_lock_waits_summary_by_table) EmptyRowContent() string {
- var emtpy table_lock_waits_summary_by_table_row
- return emtpy.row_content(emtpy)
-}
-
-func (t Table_lock_waits_summary_by_table) Description() string {
- return "Locks by Table Name (table_lock_waits_summary_by_table)"
-}