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/*
* This file implements a data structure that is built and maintained by the
* preprocessor.
*
* All types that can be handled for host variable declarations has to
* be handled eventually.
*
* src/interfaces/ecpg/include/ecpgtype.h
*/
/*
* Here are all the types that we are to handle. Note that it is the type
* that is registered and that has nothing whatsoever to do with the storage
* class.
*
* Simple types
* integers: char, short, int, long (signed and unsigned)
* floats: float, double
*
* Complex types:
* VARCHAR, VARCHAR2 - Strings with length (maxlen is given in the declaration)
* Arrays of simple types and of VARCHAR, VARCHAR2 (size given in declaration)
* Records build of simple types, arrays and other structs.
*
* Complicating things:
* typedefs and struct names!
*
* Conclusion:
* This is a typically recursive definition. A structure of typed list elements
* would probably work fine:
*/
#ifndef _ECPGTYPE_H
#define _ECPGTYPE_H
#ifdef __cplusplus
extern "C"
{
#endif
enum ECPGttype
{
ECPGt_char = 1, ECPGt_unsigned_char, ECPGt_short, ECPGt_unsigned_short,
ECPGt_int, ECPGt_unsigned_int, ECPGt_long, ECPGt_unsigned_long,
ECPGt_long_long, ECPGt_unsigned_long_long,
ECPGt_bool,
ECPGt_float, ECPGt_double,
ECPGt_varchar, ECPGt_varchar2,
ECPGt_numeric, /* this is a decimal that stores its digits in
* a malloced array */
ECPGt_decimal, /* this is a decimal that stores its digits in
* a fixed array */
ECPGt_date,
ECPGt_timestamp,
ECPGt_interval,
ECPGt_array,
ECPGt_struct,
ECPGt_union,
ECPGt_descriptor, /* sql descriptor, no C variable */
ECPGt_char_variable,
ECPGt_const, /* a constant is needed sometimes */
ECPGt_EOIT, /* End of insert types. */
ECPGt_EORT, /* End of result types. */
ECPGt_NO_INDICATOR, /* no indicator */
ECPGt_string, /* trimmed (char *) type */
ECPGt_sqlda /* C struct descriptor */
};
/* descriptor items */
enum ECPGdtype
{
ECPGd_count = 1,
ECPGd_data,
ECPGd_di_code,
ECPGd_di_precision,
ECPGd_indicator,
ECPGd_key_member,
ECPGd_length,
ECPGd_name,
ECPGd_nullable,
ECPGd_octet,
ECPGd_precision,
ECPGd_ret_length,
ECPGd_ret_octet,
ECPGd_scale,
ECPGd_type,
ECPGd_EODT, /* End of descriptor types. */
ECPGd_cardinality
};
#define IS_SIMPLE_TYPE(type) (((type) >= ECPGt_char && (type) <= ECPGt_interval) || ((type) == ECPGt_string))
/* we also have to handle different statement types */
enum ECPG_statement_type
{
ECPGst_normal,
ECPGst_execute,
ECPGst_exec_immediate,
ECPGst_prepnormal
};
#ifdef __cplusplus
}
#endif
#endif /* _ECPGTYPE_H */