[sr-dev] git:master: lib/srdb1: Add support for affected rows.

Module: sip-router Branch: master Commit: 26f2169a0aef931b17b35e64a2aca580d82b6b1a URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=26f2169… Author: Alex Hermann &lt;alex(a)speakup.nl&gt; Committer: Alex Hermann &lt;alex(a)speakup.nl&gt; Date: Tue Aug 9 11:56:21 2011 +0200 lib/srdb1: Add support for affected rows. affected_rows is the number of rows affected by a query. Primarily used after UPDATE, INSERT and DELETE queries, to know how many rows were affected. --- lib/srdb1/db.c | 7 +++++++ lib/srdb1/db.h | 11 +++++++++++ lib/srdb1/db_cap.h | 4 ++-- 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/lib/srdb1/db.c b/lib/srdb1/db.c index 0c4cb58..443e03d 100644 --- a/lib/srdb1/db.c +++ b/lib/srdb1/db.c @@ -139,6 +139,11 @@ int db_check_api(db_func_t* dbf, char *mname) if (dbf->insert_delayed) { dbf->cap |= DB_CAP_INSERT_UPDATE; } + + if (dbf->affected_rows) { + dbf->cap |= DB_CAP_AFFECTED_ROWS; + } + return 0; error: return -1; @@ -229,6 +234,8 @@ int db_bind_mod(const str* mod, db_func_t* mydbf) dbf.replace = (db_replace_f)find_mod_export(tmp, "db_replace", 2, 0); dbf.last_inserted_id= (db_last_inserted_id_f)find_mod_export(tmp, "db_last_inserted_id", 1, 0); + dbf.affected_rows = (db_affected_rows_f)find_mod_export(tmp, + "db_affected_rows", 1, 0); dbf.insert_update = (db_insert_update_f)find_mod_export(tmp, "db_insert_update", 2, 0); dbf.insert_delayed = (db_insert_delayed_f)find_mod_export(tmp, diff --git a/lib/srdb1/db.h b/lib/srdb1/db.h index 21b9110..294488c 100644 --- a/lib/srdb1/db.h +++ b/lib/srdb1/db.h @@ -296,6 +296,16 @@ typedef int (*db_insert_delayed_f) (const db1_con_t* _h, const db_key_t* _k, const db_val_t* _v, const int _n); +/** + * \brief Retrieve the number of affected rows for the last query. + * + * The function returns the rows affected by the last query. + * If any other type of query was the last, it returns null. + * \param _h structure representing database connection + * \return returns the number of rows as integer or returns -1 on error + */ +typedef int (*db_affected_rows_f) (const db1_con_t* _h); + /** * \brief Database module callbacks @@ -321,6 +331,7 @@ typedef struct db_func { in a table */ db_insert_update_f insert_update; /* Insert into table, update on duplicate key */ db_insert_delayed_f insert_delayed; /* Insert delayed into table */ + db_affected_rows_f affected_rows; /* Numer of affected rows for last query */ } db_func_t; diff --git a/lib/srdb1/db_cap.h b/lib/srdb1/db_cap.h index 1bc4704..968f6f7 100644 --- a/lib/srdb1/db_cap.h +++ b/lib/srdb1/db_cap.h @@ -48,8 +48,8 @@ typedef enum db_cap { DB_CAP_FETCH = 1 << 6, /*!< driver supports fetch result queries */ DB_CAP_LAST_INSERTED_ID = 1 << 7, /*!< driver can return the ID of the last insert operation */ DB_CAP_INSERT_UPDATE = 1 << 8, /*!< driver can insert data into database & update on duplicate */ - DB_CAP_INSERT_DELAYED = 1 << 9 /*!< driver can do insert delayed */ - + DB_CAP_INSERT_DELAYED = 1 << 9, /*!< driver can do insert delayed */ + DB_CAP_AFFECTED_ROWS = 1 << 10 /*!< driver can return number of rows affected by the last query */ } db_cap_t;