polardbxengine/plugin/innodb_memcached/innodb_memcache/include/TableSpec.h

97 lines
2.3 KiB
C++

#ifndef NDBMEMCACHE_TABLESPEC_H
#define NDBMEMCACHE_TABLESPEC_H
#ifndef __cplusplus
#error "This file is for C++ only"
#endif
#include "config.h"
/** @class TableSpec
* @brief In-memory representation of a containers record from the
* configuration.
*/
class TableSpec {
public:
/* Public Constructors */
TableSpec(int nkeys, int nvals);
TableSpec(const char *db, const char *tab, int nkeys, int nvals);
TableSpec(const char *sqltabname, const char *keycols, const char *valcols);
TableSpec(const TableSpec &);
/* Other Public Methods */
~TableSpec();
void setTable(const char *db, const char *table);
void setKeyColumns(const char *col1, ...);
void setValueColumns(const char *col1, ...);
/* Public instance variables */
const char *schema_name;
const char *table_name;
const char *math_column;
const char *flags_column;
const char *cas_column;
const char *exp_column;
const char **const key_columns;
const char **const value_columns;
int nkeycols;
int nvaluecols;
uint32_t static_flags;
private:
/* private instance variables */
struct {
unsigned none : 1;
unsigned schema_name : 1;
unsigned table_name : 1;
unsigned first_key : 1;
unsigned all_key_cols : 1;
unsigned first_val : 1;
unsigned all_val_cols : 1;
unsigned special_cols : 1;
} must_free;
/* private class methods */
static int build_column_list(const char **const &array, const char *list);
};
/* Inline functions */
inline TableSpec::TableSpec(int nkeys, int nvals)
: nkeycols(nkeys),
nvaluecols(nvals),
schema_name(0),
table_name(0),
math_column(0),
flags_column(0),
cas_column(0),
exp_column(0),
static_flags(0),
key_columns(new const char *[nkeys]),
value_columns(new const char *[nvals]) {
must_free.none = 1;
};
inline TableSpec::TableSpec(const char *db, const char *tab, int nkeys,
int nvals)
: schema_name(db),
table_name(tab),
nkeycols(nkeys),
nvaluecols(nvals),
static_flags(0),
math_column(0),
flags_column(0),
cas_column(0),
exp_column(0),
key_columns(new const char *[nkeys]),
value_columns(new const char *[nvals]) {
must_free.none = 1;
};
inline void TableSpec::setTable(const char *db, const char *table) {
schema_name = db;
table_name = table;
}
#endif