From 0b78d1542c2b09ec171e3c4e09dcfb2bfebc3647 Mon Sep 17 00:00:00 2001 From: "Kevin P. Fleming" Date: Wed, 2 May 2007 23:53:46 +0000 Subject: [PATCH] increase reliability and efficiency of static Realtime config loading via ODBC: don't request fields we aren't going to use don't request sorting on fields that are pointless to sort on explicitly request the fields we want, because we can't expect the database to always return them in the order they were created (reported by blitzrage in person (!), patch by me) git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@62796 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- res/res_config_odbc.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/res/res_config_odbc.c b/res/res_config_odbc.c index 5a71ee5617..fb31207577 100644 --- a/res/res_config_odbc.c +++ b/res/res_config_odbc.c @@ -421,9 +421,11 @@ static struct ast_config *config_odbc(const char *database, const char *table, c struct ast_category *cur_cat; int res = 0; odbc_obj *obj; - SQLINTEGER err=0, commented=0, cat_metric=0, var_metric=0, last_cat_metric=0; - SQLBIGINT id; - char sql[255] = "", filename[128], category[128], var_name[128], var_val[1024]; + SQLINTEGER err=0, cat_metric=0, last_cat_metric=0; + char category[128], var_name[128], var_val[1024]; + char sqlbuf[1024]; + char *sql; + size_t sqlleft = sizeof(sqlbuf); SQLSMALLINT rowcount=0; SQLHSTMT stmt; char last[128] = ""; @@ -437,18 +439,16 @@ static struct ast_config *config_odbc(const char *database, const char *table, c res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt); - SQLBindCol (stmt, 1, SQL_C_ULONG, &id, sizeof (id), &err); - SQLBindCol (stmt, 2, SQL_C_ULONG, &cat_metric, sizeof (cat_metric), &err); - SQLBindCol (stmt, 3, SQL_C_ULONG, &var_metric, sizeof (var_metric), &err); - SQLBindCol (stmt, 4, SQL_C_ULONG, &commented, sizeof (commented), &err); - SQLBindCol (stmt, 5, SQL_C_CHAR, &filename, sizeof (filename), &err); - SQLBindCol (stmt, 6, SQL_C_CHAR, &category, sizeof (category), &err); - SQLBindCol (stmt, 7, SQL_C_CHAR, &var_name, sizeof (var_name), &err); - SQLBindCol (stmt, 8, SQL_C_CHAR, &var_val, sizeof (var_val), &err); + SQLBindCol(stmt, 1, SQL_C_ULONG, &cat_metric, sizeof(cat_metric), &err); + SQLBindCol(stmt, 2, SQL_C_CHAR, &category, sizeof(category), &err); + SQLBindCol(stmt, 3, SQL_C_CHAR, &var_name, sizeof(var_name), &err); + SQLBindCol(stmt, 4, SQL_C_CHAR, &var_val, sizeof(var_val), &err); - snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE filename='%s' and commented=0 ORDER BY filename,cat_metric desc,var_metric asc,category,var_name,var_val,id", table, file); + ast_build_string(&sql, &sqlleft, "SELECT cat_metric, category, var_name, var_val FROM %s ", table); + ast_build_string(&sql, &sqlleft, "WHERE filename='%s' AND commented=0 ", file); + ast_build_string(&sql, &sqlleft, "ORDER BY cat_metric DESC, var_metric ASC, category, var_name "); - res = odbc_smart_direct_execute(obj, stmt, sql); + res = odbc_smart_direct_execute(obj, stmt, sqlbuf); if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) { ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);