29 lines
841 B
Plaintext
29 lines
841 B
Plaintext
:sig
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u32 sqlite_affected_rows(SQLite* db)
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:params
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db : pointer to an active SQLite connection
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return value : number of rows changed by the most recent statement
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:see
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>sqlite
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sqlite_query
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sqlite_insert_id
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:content
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Returns the number of rows changed by the most recent insert, update, or delete statement on the connection.
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```cpp
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sqlite_query(db, "update users set visits = visits + 1 where id = :id", params);
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print(sqlite_affected_rows(db));
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```
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:example
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SQLite* db = sqlite_connect("/tmp/doc-sqlite-affected.db");
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sqlite_query(db, "drop table if exists t");
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sqlite_query(db, "create table t(id integer primary key, v text)");
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sqlite_query(db, "insert into t(id, v) values(1,'a'),(2,'b'),(3,'c')");
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sqlite_query(db, "update t set v = 'x' where id <= 2");
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print("rows updated: ", sqlite_affected_rows(db), "\n");
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sqlite_disconnect(db);
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