From 59018336e7923353ade0552f20c09585c1d63df5 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Thu, 14 Dec 2023 16:55:50 +0100
Subject: tested absurd-sql, couldnt make that one work

---
 search/fts5/README | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/search/fts5/README b/search/fts5/README
index f1c5006..681b425 100644
--- a/search/fts5/README
+++ b/search/fts5/README
@@ -15,7 +15,7 @@ cat <<EOF | sqlite3 posts.db
 CREATE VIRTUAL TABLE posts USING fts5(uri,title,content);
 EOF
 
-# https://jqlang.github.io/jq/manual/
+# create post SQL statements from JSON with JQ (https://jqlang.github.io/jq/manual/)
 jq -j '.[] | "INSERT INTO posts(uri, title, content) VALUES (", ( [ .uri, .title, .content // empty ] | map(.|gsub("'"'"'";"`")|gsub("\n";" ")|@sh) | join(",")), ");\n"' \
 	posts.json > posts.sql
 sqlite3 posts.db < posts.sql
@@ -24,8 +24,9 @@ cp posts.db ../../static/index/.
 # some test queries
 # https://www.legendu.net/misc/blog/hands-on-full-text-search-in-sqlite3/
 # https://sqlite.org/fts5.html
-select uri from posts where posts MATCH 'OpenBSD' ORDER BY bm25(posts);
-select uri,highlight(posts, 1, '<b>', '</b>'),snippet(posts, 2, '<b>', '</b>', '...', 50) from posts where posts MATCH 'OpenBSD' ORDER BY bm25(posts) limit 5 offset 0;
+sqlite3 posts.db
+sqlite> select uri from posts where posts MATCH 'OpenBSD' ORDER BY bm25(posts);
+sqlite> select uri,highlight(posts, 1, '<b>', '</b>'),snippet(posts, 2, '<b>', '</b>', '...', 50) from posts where posts MATCH 'OpenBSD' ORDER BY bm25(posts) limit 5 offset 0;
 
 # TODO: make a server-side search (search window and result page)
 # this would mean we have to render the hugo and the ranklist part on the server?
@@ -59,20 +60,26 @@ In file included from /data/INSTALL/emscripten2/src/llvm-project/llvm/lib/Suppor
 # hairy to build
 # let's try a precompiled one
 # https://verdicts.listen.dev/npm/sql.js-fts5
+# https://www.skypack.dev/view/sql.js-fts5
 npm install sql.js-fts5
 cp node_modules/sql.js-fts5/dist/sql-wasm.js ../../themes/new_theme/static/js/.
 cp node_modules/sql.js-fts5/dist/sql-wasm.wasm ../../themes/new_theme/static/js/.
-# WASM is not read because of a charset-utf-8 added to application/wasm: https://github.com/gohugoio/hugo/issues/10734
-# hugo-0.120.1-charset.patch
+
+# WASM is not read with self-hosted hugo server because of a charset-utf-8 added
+# to application/wasm: https://github.com/gohugoio/hugo/issues/10734
+# => rebuild Hugo with hugo-0.120.1-charset.patch
+
+# https://jlongster.com/future-sql-web
+# https://github.com/jlongster/absurd-sql
+npm install absurd-sql
+cp node_modules/absurd-sql/src/sqlite-fs.js ../../themes/new_theme/static/js/.
+cp node_modules/absurd-sql/dist/indexeddb-backend.js ../../themes/new_theme/static/js/.
 
 # TODO: add as sqlite.js to page with data (local sqlite fts search)
 # https://blog.ouseful.info/2022/04/06/compiling-full-text-search-fts5-into-sqlite-wasm-build/
-# https://jlongster.com/future-sql-web
-# https://www.skypack.dev/view/sql.js-fts5
 # https://github.com/phiresky/sql.js-httpvfs
 # https://github.com/psanford/sqlite3vfshttp
 # https://phiresky.github.io/blog/2021/hosting-sqlite-databases-on-github-pages/
-# https://github.com/jlongster/absurd-sql
 
 # https://github.com/kbumsik/sqlite-wasm
 sudo pacman -S typescript
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