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refactor: 优化数据库导出速度

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wanli
2023-09-07 11:15:11 +08:00
parent b5549c0fae
commit f4f297d3f7
8 changed files with 139 additions and 87 deletions
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4
server/internal/db/application/pgsql_meta.go
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@@ -183,3 +183,7 @@ func (pm *PgsqlMetadata) GetCreateTableDdl(tableName string) string {
func (pm *PgsqlMetadata) GetTableRecord(tableName string, pageNum, pageSize int) ([]string, []map[string]any, error) {
return pm.di.SelectData(fmt.Sprintf("SELECT * FROM %s OFFSET %d LIMIT %d", tableName, (pageNum-1)*pageSize, pageSize))
}
func (pm *PgsqlMetadata) WalkTableRecord(tableName string, walk func(record map[string]any, columns []string)) error {
return pm.di.WalkTableRecord(fmt.Sprintf("SELECT * FROM %s", tableName), walk)
}