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clean partition enhance #19

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merged 1 commit into from
Oct 15, 2024
Merged

clean partition enhance #19

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41 changes: 34 additions & 7 deletions cmd/sling/clean_partitions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"context"
"fmt"
"os"
"strings"
"time"

"github.com/flarco/g"
Expand Down Expand Up @@ -59,9 +60,12 @@ func runCleanPartitions(cfg *CleanPartitionsConfig) error {
defer conn.Close()

today := time.Now().Format("20060102")
datePatterns := generateDatePatterns(today)
patternClauses := generatePatternClauses(datePatterns)
joinedPatternClauses := strings.Join(patternClauses, " OR ")

for _, table := range cfg.Tables {
err := cleanTablePartitions(conn, table, today)
err := cleanTablePartitions(conn, table, today, joinedPatternClauses)
if err != nil {
g.Warn("Error cleaning partitions for table %s: %v", table, err)
}
Expand All @@ -70,8 +74,31 @@ func runCleanPartitions(cfg *CleanPartitionsConfig) error {
return nil
}

func cleanTablePartitions(conn database.Connection, table, date string) error {
partitions, err := getPartitions(conn, table, date)
func generateDatePatterns(date string) []string {
dateObj, err := time.Parse("20060102", date)
if err != nil {
g.Warn("Invalid date format: %s. Expected YYYYMMDD", date)
return []string{date}
}

return []string{
dateObj.Format("20060102"), // YYYYMMDD
dateObj.Format("2006-01-02"), // YYYY-MM-DD
dateObj.Format("2006_01_02"), // YYYY_MM_DD
dateObj.Format("2006/01/02"), // YYYY/MM/DD
}
}

func generatePatternClauses(datePatterns []string) []string {
patternClauses := make([]string, len(datePatterns))
for i, pattern := range datePatterns {
patternClauses[i] = fmt.Sprintf("partition LIKE '%%%s%%'", pattern)
}
return patternClauses
}

func cleanTablePartitions(conn database.Connection, table, date, joinedPatternClauses string) error {
partitions, err := getPartitions(conn, table, joinedPatternClauses)
if err != nil {
return g.Error(err, "Error getting partitions for table: %s", table)
}
Expand All @@ -96,13 +123,13 @@ func cleanTablePartitions(conn database.Connection, table, date string) error {
return nil
}

func getPartitions(conn database.Connection, table, date string) ([]string, error) {
func getPartitions(conn database.Connection, table, joinedPatternClauses string) ([]string, error) {
query := fmt.Sprintf(`
SELECT partition
SELECT DISTINCT partition
FROM system.parts
WHERE table = '%s'
AND partition LIKE '%%%s%%'
`, table, date)
AND (%s)
`, table, joinedPatternClauses)

data, err := conn.Query(query)
if err != nil {
Expand Down