Merge pull request #106 from pl44t/main

Sqlite Table Snippets in Python

Author: Mathys-Gasnier

snippets/python/sqlite-database/query-data-from-sqlite-table.md

@@ -0,0 +1,29 @@
+---
+title: Query Data from Sqlite Table
+description: Fetches data from a specified SQLite table, with options for selecting specific columns and applying a WHERE clause.
+author: pl44t
+tags: python,sqlite,database,utility
+---
+
+```py
+import sqlite3
+
+def query_table(db_path, table_name, columns='*', where_clause=None):
+    with sqlite3.connect(db_path) as conn:
+        cursor = conn.cursor()
+        sql = f"SELECT {columns} FROM {table_name}"
+        if where_clause:
+            sql += f" WHERE {where_clause}"
+        cursor.execute(sql)
+        return cursor.fetchall()
+
+# Usage:
+db_path = 'example.db'
+table_name = 'users'
+columns = 'id, name, email'
+where_clause = 'age > 25'
+result = query_table(db_path, table_name, columns, where_clause)
+for row in result:
+    print(row)
+
+```

snippets/python/sqlite-database/update-records-sqlite-table.md

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+---
+title: Update Records in Sqlite Table
+description: Updates records in a specified SQLite table, allowing dynamic column updates and an optional WHERE clause.
+author: pl44t
+tags: python,sqlite,database,utility
+---
+
+```py
+import sqlite3
+
+def update_table(db_path, table_name, updates, where_clause=None):
+    with sqlite3.connect(db_path) as conn:
+        set_clause = ', '.join([f"{col} = ?" for col in updates.keys()])
+        sql = f"UPDATE {table_name} SET {set_clause}"
+        if where_clause:
+            sql += f" WHERE {where_clause}"
+        conn.execute(sql, tuple(updates.values()))
+        conn.commit()
+
+# Usage:
+db_path = 'example.db'
+table_name = 'users'
+updates = {'name': 'Jane Doe', 'age': 28}
+where_clause = "id = 1"
+update_table(db_path, table_name, updates, where_clause)
+
+```