diff options
Diffstat (limited to 'src/backend/snowball/README')
| -rw-r--r-- | src/backend/snowball/README | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/backend/snowball/README b/src/backend/snowball/README index 675baff5c97..2e41bee1142 100644 --- a/src/backend/snowball/README +++ b/src/backend/snowball/README @@ -29,8 +29,8 @@ We choose to include the derived files in the PostgreSQL distribution because most installations will not have the Snowball compiler available. We are currently synced with the Snowball git commit -48a67a2831005f49c48ec29a5837640e23e54e6b (tag v2.2.0) -of 2021-11-10. +d19326ac6c1b9a417fc872f7c2f845265a5e9ece +of 2025-02-19. To update the PostgreSQL sources from a new Snowball version: @@ -44,8 +44,8 @@ do sed 's|\.\./runtime/header\.h|header.h|' $f >libstemmer/`basename $f` done -Do not copy stemmers that are listed in libstemmer/modules.txt as -nonstandard, such as "german2" or "lovins". +Do not copy stemmers that are listed in their libstemmer/modules.txt as +nonstandard, such as "kraaij_pohlmann" or "lovins". 2. Copy the *.c files in snowball/runtime/ to src/backend/snowball/libstemmer, and edit them to remove direct inclusions @@ -55,14 +55,18 @@ is sensitive to largefile compilation options.) 3. Copy the *.h files in snowball/src_c/ and snowball/runtime/ to src/include/snowball/libstemmer. At this writing the header files -do not require any changes. +do not require any changes. Again, omit the *.h files for nonstandard +stemmers. 4. Check whether any stemmer modules have been added or removed. If so, edit -the OBJS list in Makefile, the list of #include's in dict_snowball.c, and the -stemmer_modules[] table in dict_snowball.c, as well as the list in the -documentation in textsearch.sgml. You might also need to change -the LANGUAGES list in Makefile and tsearch_config_languages in initdb.c. +the OBJS list in Makefile, the dict_snowball_sources list in meson.build, +the list of #include's and the stemmer_modules[] table in dict_snowball.c, +and the sample \dFd output in the documentation in textsearch.sgml. +You might also need to change the @languages array in snowball_create.pl +and the tsearch_config_languages[] table in initdb.c. 5. The various stopword files in stopwords/ must be downloaded individually from pages on the snowballstem.org website. Be careful that these files must be stored in UTF-8 encoding. +Update the stop_files list in Makefile if any are added or removed +(the meson tooling does not require adjustment for that, though). |