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Add resultset helper function to mariadb_func.h

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Added a function that converts resultsets into matrices of strings.
This commit is contained in:
Markus Mäkelä 2018-04-26 15:44:09 +03:00
parent 9ba9322b9b
commit 8b09ec56cf
No known key found for this signature in database
GPG Key ID: 72D48FCE664F7B19
2 changed files with 23 additions and 8 deletions
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18
maxscale-system-test/mariadb_func.cpp
View File

@ -523,21 +523,19 @@ int find_field(MYSQL* conn, const char* sql, const char* field_name, char* value
return ret;
}
Row get_row(MYSQL* conn, std::string sql)
Result get_result(MYSQL* conn, std::string sql)
{
Row rval;
Result rval;
MYSQL_RES* res;
if (mysql_query(conn, sql.c_str()) == 0 && (res = mysql_store_result(conn)))
{
MYSQL_ROW row = mysql_fetch_row(res);
if (row)
while (row)
{
for (unsigned int i = 0; i < mysql_num_fields(res); i++)
{
rval.push_back(row[i]);
}
rval.emplace_back(&row[0], &row[mysql_num_fields(res)]);
row = mysql_fetch_row(res);
}
mysql_free_result(res);
}
@ -549,6 +547,12 @@ Row get_row(MYSQL* conn, std::string sql)
return rval;
}
Row get_row(MYSQL* conn, std::string sql)
{
Result res = get_result(conn, sql);
return res.empty() ? Row{} : res[0];
}
int get_int_version(std::string version)
{
std::istringstream str(version);

13
maxscale-system-test/mariadb_func.h
View File

@ -27,6 +27,7 @@
#include <vector>
typedef std::vector<std::string> Row;
typedef std::vector<Row> Result;
/**
* Opens connection to DB: wropper over mysql_real_connect
@ -215,7 +216,17 @@ int find_field(MYSQL* conn, const char* sql, const char* field_name, char* value
*
* @return The first row as a list of strings
*/
std::vector<std::string> get_row(MYSQL* conn, std::string sql);
Row get_row(MYSQL* conn, std::string sql);
/**
* Execute a query and return the result
*
* @param conn The connection to use
* @param sql The query to execute
*
* @return The result as a list of rows
*/
Result get_result(MYSQL* conn, std::string sql);
int get_int_version(std::string version);