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/* src/interfaces/ecpg/ecpglib/ecpglib_extern.h */
#ifndef _ECPG_ECPGLIB_EXTERN_H
#define _ECPG_ECPGLIB_EXTERN_H
#include "ecpg_config.h"
#include "ecpgtype.h"
#include "libpq-fe.h"
#include "sqlca.h"
#include "sqlda-compat.h"
#include "sqlda-native.h"
#ifndef CHAR_BIT
#include <limits.h>
#endif
#ifdef LOCALE_T_IN_XLOCALE
#include <xlocale.h>
#endif
enum COMPAT_MODE
{
ECPG_COMPAT_PGSQL = 0, ECPG_COMPAT_INFORMIX, ECPG_COMPAT_INFORMIX_SE, ECPG_COMPAT_ORACLE
};
extern bool ecpg_internal_regression_mode;
#define INFORMIX_MODE(X) ((X) == ECPG_COMPAT_INFORMIX || (X) == ECPG_COMPAT_INFORMIX_SE)
#define ORACLE_MODE(X) ((X) == ECPG_COMPAT_ORACLE)
enum ARRAY_TYPE
{
ECPG_ARRAY_ERROR, ECPG_ARRAY_NOT_SET, ECPG_ARRAY_ARRAY, ECPG_ARRAY_VECTOR, ECPG_ARRAY_NONE
};
#define ECPG_IS_ARRAY(X) ((X) == ECPG_ARRAY_ARRAY || (X) == ECPG_ARRAY_VECTOR)
/* A generic varchar type. */
struct ECPGgeneric_varchar
{
int len;
char arr[FLEXIBLE_ARRAY_MEMBER];
};
/* A generic bytea type. */
struct ECPGgeneric_bytea
{
int len;
char arr[FLEXIBLE_ARRAY_MEMBER];
};
/*
* type information cache
*/
struct ECPGtype_information_cache
{
struct ECPGtype_information_cache *next;
int oid;
enum ARRAY_TYPE isarray;
};
#ifdef HAVE_USELOCALE
extern locale_t ecpg_clocale; /* LC_NUMERIC=C */
#endif
/* structure to store one statement */
struct statement
{
int lineno;
char *command;
char *name;
struct connection *connection;
enum COMPAT_MODE compat;
bool force_indicator;
enum ECPG_statement_type statement_type;
bool questionmarks;
struct variable *inlist;
struct variable *outlist;
#ifdef HAVE_USELOCALE
locale_t oldlocale;
#else
char *oldlocale;
#ifdef HAVE__CONFIGTHREADLOCALE
int oldthreadlocale;
#endif
#endif
int nparams;
char **paramvalues;
int *paramlengths;
int *paramformats;
PGresult *results;
};
/* structure to store prepared statements for a connection */
struct prepared_statement
{
char *name;
bool prepared;
struct statement *stmt;
struct prepared_statement *next;
};
/* structure to store connections */
struct connection
{
char *name;
PGconn *connection;
bool autocommit;
struct ECPGtype_information_cache *cache_head;
struct prepared_statement *prep_stmts;
struct connection *next;
};
/* structure to store descriptors */
struct descriptor
{
char *name;
PGresult *result;
struct descriptor *next;
int count;
struct descriptor_item *items;
};
struct descriptor_item
{
int num;
char *data;
int indicator;
int length;
int precision;
int scale;
int type;
bool is_binary;
int data_len;
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;
};
struct var_list
{
int number;
void *pointer;
struct var_list *next;
};
extern struct var_list *ivlist;
/* Here are some methods used by the lib. */
bool ecpg_add_mem(void *ptr, int lineno);
bool ecpg_get_data(const PGresult *, int, int, int, enum ECPGttype type,
enum ECPGttype, char *, char *, long, long, long,
enum ARRAY_TYPE, enum COMPAT_MODE, bool);
#ifdef ENABLE_THREAD_SAFETY
void ecpg_pthreads_init(void);
#endif
struct connection *ecpg_get_connection(const char *);
char *ecpg_alloc(long, int);
char *ecpg_auto_alloc(long, int);
char *ecpg_realloc(void *, long, int);
void ecpg_free(void *);
bool ecpg_init(const struct connection *, const char *, const int);
char *ecpg_strdup(const char *, int);
const char *ecpg_type_name(enum ECPGttype);
int ecpg_dynamic_type(Oid);
int sqlda_dynamic_type(Oid, enum COMPAT_MODE);
void ecpg_clear_auto_mem(void);
struct descriptor *ecpg_find_desc(int line, const char *name);
struct prepared_statement *ecpg_find_prepared_statement(const char *,
struct connection *, struct prepared_statement **);
bool ecpg_store_result(const PGresult *results, int act_field,
const struct statement *stmt, struct variable *var);
bool ecpg_store_input(const int, const bool, const struct variable *, char **, bool);
void ecpg_free_params(struct statement *stmt, bool print);
bool ecpg_do_prologue(int, const int, const int, const char *, const bool,
enum ECPG_statement_type, const char *, va_list,
struct statement **);
bool ecpg_build_params(struct statement *);
bool ecpg_autostart_transaction(struct statement *stmt);
bool ecpg_execute(struct statement *stmt);
bool ecpg_process_output(struct statement *, bool);
void ecpg_do_epilogue(struct statement *);
bool ecpg_do(const int, const int, const int, const char *, const bool,
const int, const char *, va_list);
bool ecpg_check_PQresult(PGresult *, int, PGconn *, enum COMPAT_MODE);
void ecpg_raise(int line, int code, const char *sqlstate, const char *str);
void ecpg_raise_backend(int line, PGresult *result, PGconn *conn, int compat);
char *ecpg_prepared(const char *, struct connection *);
bool ecpg_deallocate_all_conn(int lineno, enum COMPAT_MODE c, struct connection *conn);
void ecpg_log(const char *format,...) pg_attribute_printf(1, 2);
bool ecpg_auto_prepare(int, const char *, const int, char **, const char *);
bool ecpg_register_prepared_stmt(struct statement *);
void ecpg_init_sqlca(struct sqlca_t *sqlca);
struct sqlda_compat *ecpg_build_compat_sqlda(int, PGresult *, int, enum COMPAT_MODE);
void ecpg_set_compat_sqlda(int, struct sqlda_compat **, const PGresult *, int, enum COMPAT_MODE);
struct sqlda_struct *ecpg_build_native_sqlda(int, PGresult *, int, enum COMPAT_MODE);
void ecpg_set_native_sqlda(int, struct sqlda_struct **, const PGresult *, int, enum COMPAT_MODE);
unsigned ecpg_hex_dec_len(unsigned srclen);
unsigned ecpg_hex_enc_len(unsigned srclen);
unsigned ecpg_hex_encode(const char *src, unsigned len, char *dst);
#ifdef ENABLE_NLS
extern char *ecpg_gettext(const char *msgid) pg_attribute_format_arg(1);
#else
#define ecpg_gettext(x) (x)
#endif
/* SQLSTATE values generated or processed by ecpglib (intentionally
* not exported -- users should refer to the codes directly) */
#define ECPG_SQLSTATE_NO_DATA "02000"
#define ECPG_SQLSTATE_USING_CLAUSE_DOES_NOT_MATCH_PARAMETERS "07001"
#define ECPG_SQLSTATE_USING_CLAUSE_DOES_NOT_MATCH_TARGETS "07002"
#define ECPG_SQLSTATE_RESTRICTED_DATA_TYPE_ATTRIBUTE_VIOLATION "07006"
#define ECPG_SQLSTATE_INVALID_DESCRIPTOR_INDEX "07009"
#define ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION "08001"
#define ECPG_SQLSTATE_CONNECTION_DOES_NOT_EXIST "08003"
#define ECPG_SQLSTATE_TRANSACTION_RESOLUTION_UNKNOWN "08007"
#define ECPG_SQLSTATE_CARDINALITY_VIOLATION "21000"
#define ECPG_SQLSTATE_NULL_VALUE_NO_INDICATOR_PARAMETER "22002"
#define ECPG_SQLSTATE_ACTIVE_SQL_TRANSACTION "25001"
#define ECPG_SQLSTATE_NO_ACTIVE_SQL_TRANSACTION "25P01"
#define ECPG_SQLSTATE_INVALID_SQL_STATEMENT_NAME "26000"
#define ECPG_SQLSTATE_INVALID_SQL_DESCRIPTOR_NAME "33000"
#define ECPG_SQLSTATE_INVALID_CURSOR_NAME "34000"
#define ECPG_SQLSTATE_SYNTAX_ERROR "42601"
#define ECPG_SQLSTATE_DATATYPE_MISMATCH "42804"
#define ECPG_SQLSTATE_DUPLICATE_CURSOR "42P03"
/* implementation-defined internal errors of ecpg */
#define ECPG_SQLSTATE_ECPG_INTERNAL_ERROR "YE000"
#define ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY "YE001"
#endif /* _ECPG_ECPGLIB_EXTERN_H */
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