greenplumn sqlda-native 源码
greenplumn sqlda-native 代码
文件路径：/src/interfaces/ecpg/include/sqlda-native.h
/*
* src/interfaces/ecpg/include/sqlda-native.h
*/
#ifndef ECPG_SQLDA_NATIVE_H
#define ECPG_SQLDA_NATIVE_H
/*
* Maximum length for identifiers (e.g. table names, column names,
* function names). Names actually are limited to one less byte than this,
* because the length must include a trailing zero byte.
*
* This should be at least as much as NAMEDATALEN of the database the
* applications run against.
*/
#define NAMEDATALEN 64
struct sqlname
{
short length;
char data[NAMEDATALEN];
};
struct sqlvar_struct
{
short sqltype;
short sqllen;
char *sqldata;
short *sqlind;
struct sqlname sqlname;
};
struct sqlda_struct
{
char sqldaid[8];
long sqldabc;
short sqln;
short sqld;
struct sqlda_struct *desc_next;
struct sqlvar_struct sqlvar[1];
};
#endif /* ECPG_SQLDA_NATIVE_H */
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