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Added support for libSQL as an compatible alternative for SQLite. (0.33.0)

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Johannes Findeisen 2025-11-27 00:42:47 +01:00
commit 56712206d1
17 changed files with 418 additions and 5 deletions
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0
examples/data/todo.sql → examples/data/database.sql
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59
examples/libsql_example.fun Normal file
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@ -0,0 +1,59 @@
#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://fun-lang.xyz/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2025-11-26
*/
// Demonstrates the optional libSQL extension
// Build with: cmake -S . -B build -DFUN_WITH_LIBSQL=ON && cmake --build build
// Prepare sample DB from SQL if needed (requires sqlite3 CLI installed)
// Create it once with:
// sqlite3 ./database.sqlite < ./examples/data/database.sql
number h = libsql_open("./database.sqlite")
if h == 0
print("Failed to open libSQL database")
else
libsql_exec(h, "CREATE TABLE IF NOT EXISTS todos(id INTEGER PRIMARY KEY, title TEXT, done INT)")
libsql_exec(h, "DELETE FROM todos")
libsql_exec(h, "INSERT INTO todos(title, done) VALUES('Buy milk', 0)")
libsql_exec(h, "INSERT INTO todos(title, done) VALUES('Write code', 1)")
rows = libsql_query(h, "SELECT id, title, done FROM todos ORDER BY id")
for row in rows
print(to_string(row["id"]) + ": " + to_string(row["title"]) + " (done="+to_string(row["done"]) + ")")
rows = libsql_query(h, "SELECT id, title, done, created_at FROM tasks ORDER BY id;")
print("Tasks (" + to_string(len(rows)) + "):")
for row in rows
string status = "✘"
if row["done"] == 1
status = "✔"
print("- [" + status + "] (#" + to_string(row["id"]) + ") " + to_string(row["title"]) + " — " + to_string(row["created_at"]))
number rc = libsql_exec(h, "INSERT INTO tasks (title, done) VALUES ('Try Fun + SQLite', 0);")
print("Insert rc=" + to_string(rc))
rows2 = libsql_query(h, "SELECT count(*) AS cnt FROM tasks;")
print("Total tasks now: " + to_string(rows2[0]["cnt"]))
libsql_close(h)
/* Example output:
1: Buy milk (done=0)
2: Write code (done=1)
Tasks (3):
- [✔] (#1) Write Fun + SQLite example — 2025-11-26 23:20:41
- [✘] (#2) Ship optional feature flag — 2025-11-26 23:20:41
- [✘] (#3) Celebrate with coffee — 2025-11-26 23:20:41
Insert rc=0
Total tasks now: 4
*/

15
examples/sqlite_example.fun
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@ -1,3 +1,5 @@
#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://fun-lang.xyz/
@ -11,9 +13,9 @@
// Prepare sample DB from SQL if needed (requires sqlite3 CLI installed)
// Create it once with:
// sqlite3 todo.sqlite < ./examples/data/todo.sql
// sqlite3 ./database.sqlite < ./examples/data/database.sql
string db_path = "./todo.sqlite"
string db_path = "./database.sqlite"
number h = sqlite_open(db_path)
if h == 0
@ -35,3 +37,12 @@ rows2 = sqlite_query(h, "SELECT count(*) AS cnt FROM tasks;")
print("Total tasks now: " + to_string(rows2[0]["cnt"]))
sqlite_close(h)
/* Example output:
Tasks (3):
- [✔] (#1) Write Fun + SQLite example — 2025-11-26 23:22:04
- [✘] (#2) Ship optional feature flag — 2025-11-26 23:22:04
- [✘] (#3) Celebrate with coffee — 2025-11-26 23:22:04
Insert rc=0
Total tasks now: 4
*/