()
| 57 | } |
| 58 | |
| 59 | func (this *Batch) Exec() { |
| 60 | var n = this.n |
| 61 | if n <= 0 { |
| 62 | n = 4 |
| 63 | } |
| 64 | |
| 65 | var ticker = time.NewTicker(100 * time.Millisecond) |
| 66 | var count = 0 |
| 67 | var lastTx *sql.Tx |
| 68 | For: |
| 69 | for { |
| 70 | // closed |
| 71 | if this.isClosed { |
| 72 | if lastTx != nil { |
| 73 | _ = this.commitTx(lastTx) |
| 74 | lastTx = nil |
| 75 | } |
| 76 | |
| 77 | return |
| 78 | } |
| 79 | |
| 80 | select { |
| 81 | case item := <-this.queue: |
| 82 | if lastTx == nil { |
| 83 | lastTx = this.beginTx() |
| 84 | if lastTx == nil { |
| 85 | continue For |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | err := this.execItem(lastTx, item) |
| 90 | if err != nil { |
| 91 | if IsClosedErr(err) { |
| 92 | return |
| 93 | } |
| 94 | this.processErr(item.query, err) |
| 95 | } |
| 96 | |
| 97 | count++ |
| 98 | |
| 99 | if count == n { |
| 100 | count = 0 |
| 101 | err = this.commitTx(lastTx) |
| 102 | lastTx = nil |
| 103 | if err != nil { |
| 104 | if IsClosedErr(err) { |
| 105 | return |
| 106 | } |
| 107 | this.processErr("commit", err) |
| 108 | } |
| 109 | } |
| 110 | case <-ticker.C: |
| 111 | if lastTx == nil || count == 0 { |
| 112 | continue For |
| 113 | } |
| 114 | count = 0 |
| 115 | err := this.commitTx(lastTx) |
| 116 | lastTx = nil |
no test coverage detected