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package ydb
import asql "github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
const (
insertQuery = `
DECLARE $dir_hash AS int64;
DECLARE $name AS Utf8;
DECLARE $directory AS Utf8;
DECLARE $meta AS String;
UPSERT INTO ` + asql.DEFAULT_TABLE + `
(dir_hash, name, directory, meta)
VALUES
($dir_hash, $name, $directory, $meta);`
updateQuery = `
DECLARE $dir_hash AS int64;
DECLARE $name AS Utf8;
DECLARE $directory AS Utf8;
DECLARE $meta AS String;
REPLACE INTO ` + asql.DEFAULT_TABLE + `
(dir_hash, name, directory, meta)
VALUES
($dir_hash, $name, $directory, $meta)
COMMIT;`
deleteQuery = `
DECLARE $dir_hash AS int64;
DECLARE $name AS Utf8;
DELETE FROM ` + asql.DEFAULT_TABLE + `
WHERE dir_hash == $dir_hash AND name == $name;
COMMIT;`
findQuery = `
DECLARE $dir_hash AS int64;
DECLARE $name AS Utf8;
SELECT meta
FROM ` + asql.DEFAULT_TABLE + `
WHERE dir_hash == $dir_hash AND name == $name;`
deleteFolderChildrenQuery = `
DECLARE $dir_hash AS int64;
DECLARE $directory AS Utf8;
DELETE FROM ` + asql.DEFAULT_TABLE + `
WHERE dir_hash == $dir_hash AND directory == $directory;
COMMIT;`
listDirectoryQuery = `
DECLARE $dir_hash AS int64;
DECLARE $directory AS Utf8;
DECLARE $start_name AS Utf8;
DECLARE $prefix AS Utf8;
DECLARE $limit AS Uint64;
SELECT name, meta
FROM ` + asql.DEFAULT_TABLE + `
WHERE dir_hash == $dir_hash AND directory == $directory and name %s $start_name and name LIKE $prefix
ORDER BY name ASC LIMIT $limit;`
)
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