/
store.go
56 lines (49 loc) · 1.21 KB
/
store.go
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package index
import (
"fmt"
"github.com/xiaogogonuo/cct-spider/pkg/db/mysql"
"math"
"strings"
"sync"
)
func questionMark() string {
var mark []string
for i := 0; i < FieldNum; i++ {
mark = append(mark, "?")
}
return strings.Join(mark, ",")
}
var dataString string
func init() {
dataString = "(" + questionMark() + ")"
}
var batchSize = 10
func batchDump(data []Field, wg *sync.WaitGroup) {
defer wg.Done()
length := len(data)
epoch := int(math.Ceil(float64(length) / float64(batchSize)))
for i := 0; i < epoch; i++ {
if batchSize*(i+1) < length {
batchData := data[i*batchSize : (i+1)*batchSize]
dump(batchData)
} else {
batchData := data[i*batchSize:]
dump(batchData)
}
}
}
func dump(data []Field) {
var multiQuestionMark []string
for i := 0; i < len(data); i++ {
multiQuestionMark = append(multiQuestionMark, dataString)
}
multiQuestionMarkString := strings.Join(multiQuestionMark, ",")
sql := `INSERT INTO %s (%s) VALUES %s ON DUPLICATE KEY UPDATE %s`
sql = fmt.Sprintf(sql, Table, FieldStr, multiQuestionMarkString, FieldSVS)
var dumpData []interface{}
for _, f := range data {
values := f.GetValues()
dumpData = append(dumpData, values...)
}
mysql.Transaction(sql, dumpData...)
}