database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-30 11:03:19 +03:00
Code Activity

Added SET DESCRIPTOR command.

Browse Source 
Note that this still has some bugs. The functionality is there though, it's just a matter of fixing the bugs now.
Cleaned up error handling in preprocessor.
This commit is contained in:
Michael Meskes
2004-06-30 15:01:58 +00:00
parent c7beffcc1d
commit 90326c01c9
11 changed files with 687 additions and 292 deletions
Download Patch File Download Diff File Expand all files Collapse all files

126
src/interfaces/ecpg/ecpglib/extern.h
View File

@ -7,39 +7,42 @@
enum COMPAT_MODE
{
ECPG_COMPAT_PGSQL = 0, ECPG_COMPAT_INFORMIX, ECPG_COMPAT_INFORMIX_SE
ECPG_COMPAT_PGSQL = 0, ECPG_COMPAT_INFORMIX, ECPG_COMPAT_INFORMIX_SE
};
#define INFORMIX_MODE(X) ((X) == ECPG_COMPAT_INFORMIX || (X) == ECPG_COMPAT_INFORMIX_SE)
enum ARRAY_TYPE
{
ECPG_ARRAY_NOT_SET, ECPG_ARRAY_ARRAY, ECPG_ARRAY_VECTOR, ECPG_ARRAY_NONE
ECPG_ARRAY_NOT_SET, ECPG_ARRAY_ARRAY, ECPG_ARRAY_VECTOR, ECPG_ARRAY_NONE
};
/* Here are some methods used by the lib. */
/* Returns a pointer to a string containing a simple type name. */
void ECPGadd_mem(void *ptr, int lineno);
void ECPGadd_mem (void *ptr, int lineno);
bool ECPGget_data(const PGresult *, int, int, int, enum ECPGttype type,
enum ECPGttype, char *, char *, long, long, long, enum ARRAY_TYPE, enum COMPAT_MODE, bool);
struct connection *ECPGget_connection(const char *);
char *ECPGalloc(long, int);
char *ECPGrealloc(void *, long, int);
void ECPGfree(void *);
bool ECPGinit(const struct connection *, const char *, const int);
char *ECPGstrdup(const char *, int);
const char *ECPGtype_name(enum ECPGttype);
unsigned int ECPGDynamicType(Oid);
void ECPGfree_auto_mem(void);
void ECPGclear_auto_mem(void);
bool ECPGget_data (const PGresult *, int, int, int, enum ECPGttype type,
enum ECPGttype, char *, char *, long, long, long,
enum ARRAY_TYPE, enum COMPAT_MODE, bool);
struct connection *ECPGget_connection (const char *);
char *ECPGalloc (long, int);
char *ECPGrealloc (void *, long, int);
void ECPGfree (void *);
bool ECPGinit (const struct connection *, const char *, const int);
char *ECPGstrdup (const char *, int);
const char *ECPGtype_name (enum ECPGttype);
unsigned int ECPGDynamicType (Oid);
void ECPGfree_auto_mem (void);
void ECPGclear_auto_mem (void);
struct descriptor *ecpggetdescp (int, char *);
/* A generic varchar type. */
struct ECPGgeneric_varchar
{
int len;
char arr[1];
int len;
char arr[1];
};
/*
@ -48,64 +51,79 @@ struct ECPGgeneric_varchar
struct ECPGtype_information_cache
{
struct ECPGtype_information_cache *next;
int oid;
bool isarray;
struct ECPGtype_information_cache *next;
int oid;
bool isarray;
};
/* structure to store one statement */
struct statement
{
int lineno;
char *command;
struct connection *connection;
enum COMPAT_MODE compat;
bool force_indicator;
struct variable *inlist;
struct variable *outlist;
int lineno;
char *command;
struct connection *connection;
enum COMPAT_MODE compat;
bool force_indicator;
struct variable *inlist;
struct variable *outlist;
};
/* structure to store connections */
struct connection
{
char *name;
PGconn *connection;
bool committed;
int autocommit;
struct ECPGtype_information_cache *cache_head;
struct connection *next;
char *name;
PGconn *connection;
bool committed;
int autocommit;
struct ECPGtype_information_cache *cache_head;
struct connection *next;
};
/* structure to store descriptors */
struct descriptor
{
char *name;
PGresult *result;
struct descriptor *next;
char *name;
PGresult *result;
struct descriptor *next;
int count;
struct descriptor_item *items;
};
extern struct descriptor *all_descriptors;
struct descriptor_item
{
int num;
char *data;
int indicator;
int length;
int precision;
int scale;
int type;
struct descriptor_item *next;
};
struct variable
{
enum ECPGttype type;
void *value;
void *pointer;
long varcharsize;
long arrsize;
long offset;
enum ECPGttype ind_type;
void *ind_value;
void *ind_pointer;
long ind_varcharsize;
long ind_arrsize;
long ind_offset;
struct variable *next;
enum ECPGttype type;
void *value;
void *pointer;
long varcharsize;
long arrsize;
long offset;
enum ECPGttype ind_type;
void *ind_value;
void *ind_pointer;
long ind_varcharsize;
long ind_arrsize;
long ind_offset;
struct variable *next;
};
PGresult **
ECPGdescriptor_lvalue(int line, const char *descriptor);
PGresult **ECPGdescriptor_lvalue (int line, const char *descriptor);
bool ECPGstore_result(const PGresult *results, int act_field,
const struct statement * stmt, struct variable * var);
bool ECPGstore_result (const PGresult * results, int act_field,
const struct statement *stmt, struct variable *var);
/* SQLSTATE values generated or processed by ecpglib (intentionally
* not exported -- users should refer to the codes directly) */
@ -133,4 +151,4 @@ bool ECPGstore_result(const PGresult *results, int act_field,
#define ECPG_SQLSTATE_ECPG_INTERNAL_ERROR "YE000"
#define ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY "YE001"
#endif /* _ECPG_LIB_EXTERN_H */
#endif /* _ECPG_LIB_EXTERN_H */