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58 lines
1.9 KiB
58 lines
1.9 KiB
package mysql
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import (
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
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_ "github.com/go-sql-driver/mysql"
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)
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type SqlGenMysql struct {
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CreateTableSqlTemplate string
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DropTableSqlTemplate string
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UpsertQueryTemplate string
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}
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var (
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_ = abstract_sql.SqlGenerator(&SqlGenMysql{})
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)
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func (gen *SqlGenMysql) GetSqlInsert(tableName string) string {
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if gen.UpsertQueryTemplate != "" {
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return fmt.Sprintf(gen.UpsertQueryTemplate, tableName)
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} else {
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return fmt.Sprintf("INSERT INTO `%s` (dirhash,name,directory,meta) VALUES(?,?,?,?)", tableName)
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}
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}
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func (gen *SqlGenMysql) GetSqlUpdate(tableName string) string {
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return fmt.Sprintf("UPDATE `%s` SET meta=? WHERE dirhash=? AND name=? AND directory=?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlFind(tableName string) string {
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return fmt.Sprintf("SELECT meta FROM `%s` WHERE dirhash=? AND name=? AND directory=?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlDelete(tableName string) string {
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return fmt.Sprintf("DELETE FROM `%s` WHERE dirhash=? AND name=? AND directory=?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlDeleteFolderChildren(tableName string) string {
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return fmt.Sprintf("DELETE FROM `%s` WHERE dirhash=? AND directory=? LIMIT ?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlListExclusive(tableName string) string {
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return fmt.Sprintf("SELECT NAME, meta FROM `%s` WHERE dirhash=? AND name>? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlListInclusive(tableName string) string {
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return fmt.Sprintf("SELECT NAME, meta FROM `%s` WHERE dirhash=? AND name>=? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?", tableName)
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}
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func (gen *SqlGenMysql) GetSqlCreateTable(tableName string) string {
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return fmt.Sprintf(gen.CreateTableSqlTemplate, tableName)
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}
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func (gen *SqlGenMysql) GetSqlDropTable(tableName string) string {
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return fmt.Sprintf(gen.DropTableSqlTemplate, tableName)
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}
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