From ab9dec8671eeb90230064474cf86c49c69fd8e10 Mon Sep 17 00:00:00 2001
From: znone <glyc@sina.com.cn>
Date: Wed, 27 Jun 2018 06:54:45 +0000
Subject: [PATCH] 允许用字段名绑定数据（会影响性能） 允许对同一个数据结构进行不同的绑定
---
include/qtl_mysql.hpp | 29 +++++++++++++++++++++--------
1 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/include/qtl_mysql.hpp b/include/qtl_mysql.hpp
index bf0ee64..e0cb34f 100644
--- a/include/qtl_mysql.hpp
+++ b/include/qtl_mysql.hpp
@@ -195,8 +195,8 @@
{
public:
error() : m_error(0) { }
- error(int err, const char* errmsg) : m_error(err), m_errmsg(errmsg) { }
- explicit error(int err) : m_error(err), m_errmsg(ER(err)) { }
+ error(unsigned int err, const char* errmsg) : m_error(err), m_errmsg(errmsg) { }
+ explicit error(unsigned int err) : m_error(err), m_errmsg(ER(err)) { }
explicit error(statement& stmt);
explicit error(database& db);
error(const error& src) = default;
@@ -204,7 +204,7 @@
int code() const throw() { return m_error; }
virtual const char* what() const throw() override { return m_errmsg.data(); }
private:
- int m_error;
+ unsigned int m_error;
std::string m_errmsg;
};
@@ -444,6 +444,19 @@
return m_binderAddins[index].m_isNull!=0;
}
+ size_t find_field(const char* name) const
+ {
+ if(m_result)
+ {
+ for(size_t i=0; i!=m_result->field_count; i++)
+ {
+ if(strncmp(m_result->fields[i].name, name, m_result->fields[i].name_length)==0)
+ return i;
+ }
+ }
+ return -1;
+ }
+
void close()
{
if(m_result)
@@ -512,11 +525,11 @@
return &m_binders[index];
}
- unsigned int error()
+ unsigned int error() const
{
return mysql_stmt_errno(m_stmt);
}
- const char* errmsg()
+ const char* errmsg() const
{
return mysql_stmt_error(m_stmt);
}
@@ -577,7 +590,7 @@
class database final : public qtl::base_database<database, statement>
{
public:
- typedef error exception_type;
+ typedef mysql::error exception_type;
database()
{
@@ -654,11 +667,11 @@
return m_mysql->db;
}
- unsigned int error()
+ unsigned int error() const
{
return mysql_errno(m_mysql);
}
- const char* errmsg()
+ const char* errmsg() const
{
return mysql_error(m_mysql);
}
--
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