FS-12001: [mod_callcenter] Workaround issues with renaming tables and columns in SQLite version prior to 2019-02-07 (3.27.0).

switch_sql_queue_manager
Andrey Volk 3 years ago
parent 0c634af571
commit 71b0ab24b1
  1. 65
      src/mod/applications/mod_callcenter/mod_callcenter.c

@ -1461,6 +1461,46 @@ end:
return result;
}
struct sqlite_column_rename_callback_data {
const char *table;
switch_cache_db_handle_t *dbh;
};
typedef struct sqlite_column_rename_callback_data sqlite_column_rename_callback_data_t;
static int sqlite_column_rename_callback(void *pArg, const char *errmsg)
{
sqlite_column_rename_callback_data_t *callback_data = (sqlite_column_rename_callback_data_t *)pArg;
char tmptable[4096];
char *sql = NULL;
if (!strcasecmp("agents", callback_data->table)) {
if (NULL != (sql = strstr(agents_sql, "TABLE agents ("))) {
sql += 14;
sprintf(tmptable, "CREATE TABLE agents_tmp (%s", sql);
switch_cache_db_execute_sql_callback(callback_data->dbh, tmptable, NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "INSERT INTO agents_tmp SELECT * FROM agents;", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "drop table agents", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, agents_sql, NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "INSERT INTO agents SELECT * FROM agents_tmp;", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "drop table agents_tmp", NULL, NULL, NULL);
}
}
else if (!strcasecmp("members", callback_data->table)) {
if (NULL != (sql = strstr(members_sql, "TABLE members ("))) {
sql += 15;
sprintf(tmptable, "CREATE TABLE members_tmp (%s", sql);
switch_cache_db_execute_sql_callback(callback_data->dbh, tmptable, NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "INSERT INTO members_tmp SELECT * FROM members;", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "drop table members", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, members_sql, NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "INSERT INTO members SELECT * FROM members_tmp;", NULL, NULL, NULL);
switch_cache_db_execute_sql_callback(callback_data->dbh, "drop table members_tmp", NULL, NULL, NULL);
}
}
return 0;
}
static switch_status_t load_config(void)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
@ -1534,15 +1574,24 @@ static switch_status_t load_config(void)
switch_cache_db_test_reactive(dbh, "select count(ready_time) from agents", "drop table agents", agents_sql);
switch_cache_db_test_reactive(dbh, "select count(external_calls_count) from agents", NULL, "alter table agents add external_calls_count integer not null default 0;");
switch_cache_db_test_reactive(dbh, "select count(queue) from tiers", "drop table tiers" , tiers_sql);
/* This will rename column system for MySQL */
switch_cache_db_test_reactive(dbh, "select count(instance_id) from agents", NULL, "alter table agents rename column `system` TO instance_id;");
switch_cache_db_test_reactive(dbh, "select count(instance_id) from members", NULL, "alter table members rename column `system` TO instance_id;");
/* This will rename column system for SQLite */
switch_cache_db_test_reactive(dbh, "select count(instance_id) from agents", NULL, "alter table agents rename column system TO instance_id;");
switch_cache_db_test_reactive(dbh, "select count(instance_id) from members", NULL, "alter table members rename column system TO instance_id;");
/* This will rename column system for PGSql */
switch_cache_db_test_reactive(dbh, "select count(instance_id) from agents", NULL, "alter table agents rename system TO instance_id;");
switch_cache_db_test_reactive(dbh, "select count(instance_id) from members", NULL, "alter table members rename system TO instance_id;");
if (switch_cache_db_get_type(dbh) == SCDB_TYPE_CORE_DB) {
char *errmsg = NULL;
sqlite_column_rename_callback_data_t callback_data;
/* SQLite < 3.27.0 ( https://www.sqlite.org/changes.html ) has issues with renaming columns and tables */
callback_data.dbh = dbh;
callback_data.table = "agents";
switch_cache_db_execute_sql_callback_err(dbh, "select count(instance_id) from agents", NULL, sqlite_column_rename_callback, &callback_data, &errmsg);
callback_data.table = "members";
switch_cache_db_execute_sql_callback_err(dbh, "select count(instance_id) from members", NULL, sqlite_column_rename_callback, &callback_data, &errmsg);
} else {
/* This will rename column system for MySQL */
switch_cache_db_test_reactive(dbh, "select count(instance_id) from agents", NULL, "alter table agents rename column `system` TO instance_id;");
switch_cache_db_test_reactive(dbh, "select count(instance_id) from members", NULL, "alter table members rename column `system` TO instance_id;");
/* This will rename column system for PGSql */
switch_cache_db_test_reactive(dbh, "select count(instance_id) from agents", NULL, "alter table agents rename system TO instance_id;");
switch_cache_db_test_reactive(dbh, "select count(instance_id) from members", NULL, "alter table members rename system TO instance_id;");
}
switch_cache_db_release_db_handle(&dbh);

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