diff options
Diffstat (limited to 'pig/filter-cdx-join-urls.pig')
| -rw-r--r-- | pig/filter-cdx-join-urls.pig | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/pig/filter-cdx-join-urls.pig b/pig/filter-cdx-join-urls.pig index 70858b9..3d06804 100644 --- a/pig/filter-cdx-join-urls.pig +++ b/pig/filter-cdx-join-urls.pig @@ -23,7 +23,7 @@ cdx = FILTER cdx BY not STARTSWITH (cdxline, 'filedesc'); cdx = FILTER cdx BY not STARTSWITH (cdxline, ' '); cdx = FOREACH cdx GENERATE STRSPLIT(cdxline,'\\s+') as cols, cdxline; -cdx = FOREACH cdx GENERATE (chararray)cols.$0 as cdx_surt, (chararray)cols.$1 as timestamp, (chararray)cols.$3 as mimetype, (chararray)cols.$4 as httpstatus, cdxline; +cdx = FOREACH cdx GENERATE (chararray)cols.$0 as cdx_surt, (chararray)cols.$1 as timestamp, (chararray)cols.$3 as mimetype, (chararray)cols.$4 as httpstatus, (chararray)cols.$5 as sha1sum, cdxline; cdx = FILTER cdx BY not cdx_surt matches '-'; cdx = FILTER cdx BY httpstatus matches '200'; cdx = FILTER cdx BY mimetype matches '.*pdf.*'; @@ -31,7 +31,13 @@ cdx = FILTER cdx BY mimetype matches '.*pdf.*'; -- Core JOIN full_join = JOIN cdx BY cdx_surt, surts BY url_surt; -result = FOREACH full_join GENERATE cdxline; +-- DISTINCT by sha1 column +full_uniq = FOREACH (GROUP full_join BY sha1sum) { + r = TOP(1, 0, $1); + GENERATE FLATTEN(r); +}; + +result = FOREACH full_uniq GENERATE cdxline; result = DISTINCT result; STORE result INTO '$OUTPUT' USING PigStorage(); |