webmcp

view framework/env/tempstore/pop.lua @ 412:7d43be9afa56

Improved memory cleanup in case of out-of-memory errors (PQnotifies and PQunescapeBytea)
author jbe
date Fri Jan 08 03:10:33 2016 +0100 (2016-01-08)
parents 2cb27106aa73
children
line source
1 --[[--
2 blob = -- loaded string
3 tempstore.pop(
4 key -- key as returned by tempstore.save(...)
5 )
7 This function restores data, which had been stored temporarily by tempstore.save(...). After loading the data, it is deleted from the tempstore automatically.
9 --]]--
11 function tempstore.pop(key)
12 local filename = encode.file_path(
13 WEBMCP_BASE_PATH, 'tmp', "tempstore-" .. key .. ".tmp"
14 )
15 local file = io.open(filename, "r")
16 if not file then return nil end
17 local blob = file:read("*a")
18 io.close(file)
19 os.remove(filename)
20 return blob
21 end

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