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package postgres
import ( "fmt"
"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql" _ "github.com/lib/pq" )
type SqlGenPostgres struct { CreateTableSqlTemplate string DropTableSqlTemplate string InsertQueryTemplate string }
var ( _ = abstract_sql.SqlGenerator(&SqlGenPostgres{}) )
func (gen *SqlGenPostgres) GetSqlInsert(tableName string) string { if gen.InsertQueryTemplate != "" { return fmt.Sprintf(gen.InsertQueryTemplate, tableName) } else { return fmt.Sprintf(`INSERT INTO "%s" (dirhash,name,directory,meta) VALUES($1,$2,$3,$4)`, tableName) } }
func (gen *SqlGenPostgres) GetSqlUpdate(tableName string) string { return fmt.Sprintf(`UPDATE "%s" SET meta=$1 WHERE dirhash=$2 AND name=$3 AND directory=$4`, tableName) }
func (gen *SqlGenPostgres) GetSqlFind(tableName string) string { return fmt.Sprintf(`SELECT meta FROM "%s" WHERE dirhash=$1 AND name=$2 AND directory=$3`, tableName) }
func (gen *SqlGenPostgres) GetSqlDelete(tableName string) string { return fmt.Sprintf(`DELETE FROM "%s" WHERE dirhash=$1 AND name=$2 AND directory=$3`, tableName) }
func (gen *SqlGenPostgres) GetSqlDeleteFolderChildren(tableName string) string { return fmt.Sprintf(`DELETE FROM "%s" WHERE dirhash=$1 AND directory=$2`, tableName) }
func (gen *SqlGenPostgres) GetSqlListExclusive(tableName string) string { return fmt.Sprintf(`SELECT NAME, meta FROM "%s" WHERE dirhash=$1 AND name>$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5`, tableName) }
func (gen *SqlGenPostgres) GetSqlListInclusive(tableName string) string { return fmt.Sprintf(`SELECT NAME, meta FROM "%s" WHERE dirhash=$1 AND name>=$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5`, tableName) }
func (gen *SqlGenPostgres) GetSqlCreateTable(tableName string) string { return fmt.Sprintf(gen.CreateTableSqlTemplate, tableName) }
func (gen *SqlGenPostgres) GetSqlDropTable(tableName string) string { return fmt.Sprintf(gen.DropTableSqlTemplate, tableName) }
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