PostgreSQL Source Code git master
sql-indicators.c File Reference
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
#include <stdio.h>
Include dependency graph for sql-indicators.c:

Go to the source code of this file.

Data Structures

struct  sqlca_t
 

Macros

#define ECPGdebug(X, Y)   ECPGdebug((X)+100,(Y))
 
#define POSTGRES_SQLCA_H
 
#define PGDLLIMPORT
 
#define SQLERRMC_LEN   150
 
#define sqlca   (*ECPGget_sqlca())
 

Functions

struct sqlca_tECPGget_sqlca (void)
 
int main ()
 

Macro Definition Documentation

◆ ECPGdebug

#define ECPGdebug (   X,
 
)    ECPGdebug((X)+100,(Y))

Definition at line 7 of file sql-indicators.c.

◆ PGDLLIMPORT

#define PGDLLIMPORT

Definition at line 21 of file sql-indicators.c.

◆ POSTGRES_SQLCA_H

#define POSTGRES_SQLCA_H

Definition at line 15 of file sql-indicators.c.

◆ sqlca

#define sqlca   (*ECPGget_sqlca())

Definition at line 72 of file sql-indicators.c.

◆ SQLERRMC_LEN

#define SQLERRMC_LEN   150

Definition at line 25 of file sql-indicators.c.

Function Documentation

◆ ECPGget_sqlca()

struct sqlca_t * ECPGget_sqlca ( void  )

Definition at line 108 of file misc.c.

109{
110 struct sqlca_t *sqlca;
111
112 pthread_once(&sqlca_key_once, ecpg_sqlca_key_init);
113
115 if (sqlca == NULL)
116 {
117 sqlca = malloc(sizeof(struct sqlca_t));
118 if (sqlca == NULL)
119 return NULL;
122 }
123 return sqlca;
124}
#define malloc(a)
Definition: header.h:50
static pthread_key_t sqlca_key
Definition: misc.c:58
void ecpg_init_sqlca(struct sqlca_t *sqlca)
Definition: misc.c:67
static void ecpg_sqlca_key_init(void)
Definition: misc.c:102
static pthread_once_t sqlca_key_once
Definition: misc.c:59
void pthread_setspecific(pthread_key_t key, void *val)
Definition: pthread-win32.c:24
void * pthread_getspecific(pthread_key_t key)
Definition: pthread-win32.c:29
#define sqlca
Definition: sqlca.h:59
Definition: sqlca.h:20

◆ main()

int main ( void  )

Definition at line 94 of file sql-indicators.c.

95{
96 /* exec sql begin declare section */
97
98
99
100#line 9 "indicators.pgc"
101 int intvar = 5 ;
102
103#line 10 "indicators.pgc"
104 int nullind = - 1 ;
105/* exec sql end declare section */
106#line 11 "indicators.pgc"
107
108
109 ECPGdebug(1,stderr);
110
111 { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , NULL, 0); }
112#line 15 "indicators.pgc"
113
114 { ECPGsetcommit(__LINE__, "off", NULL);}
115#line 16 "indicators.pgc"
116
117
118 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "create table indicator_test ( \"id\" int primary key , \"str\" text not null , val int null )", ECPGt_EOIT, ECPGt_EORT);}
119#line 21 "indicators.pgc"
120
121 { ECPGtrans(__LINE__, NULL, "commit work");}
122#line 22 "indicators.pgc"
123
124
125 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into indicator_test ( id , str , val ) values ( 1 , 'Hello' , 0 )", ECPGt_EOIT, ECPGt_EORT);}
126#line 24 "indicators.pgc"
127
128
129 /* use indicator in insert */
130 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into indicator_test ( id , str , val ) values ( 2 , 'Hi there' , $1 )",
131 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
132 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EOIT, ECPGt_EORT);}
133#line 27 "indicators.pgc"
134
135 nullind = 0;
136 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into indicator_test ( id , str , val ) values ( 3 , 'Good evening' , $1 )",
137 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
138 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EOIT, ECPGt_EORT);}
139#line 29 "indicators.pgc"
140
141 { ECPGtrans(__LINE__, NULL, "commit work");}
142#line 30 "indicators.pgc"
143
144
145 /* use indicators to get information about selects */
146 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select val from indicator_test where id = 1", ECPGt_EOIT,
147 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
148 ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
149#line 33 "indicators.pgc"
150
151 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select val from indicator_test where id = 2", ECPGt_EOIT,
152 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
153 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EORT);}
154#line 34 "indicators.pgc"
155
156 printf("intvar: %d, nullind: %d\n", intvar, nullind);
157 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select val from indicator_test where id = 3", ECPGt_EOIT,
158 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
159 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EORT);}
160#line 36 "indicators.pgc"
161
162 printf("intvar: %d, nullind: %d\n", intvar, nullind);
163
164 /* use indicators for update */
165 intvar = 5; nullind = -1;
166 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update indicator_test set val = $1 where id = 1",
167 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
168 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EOIT, ECPGt_EORT);}
169#line 41 "indicators.pgc"
170
171 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select val from indicator_test where id = 1", ECPGt_EOIT,
172 ECPGt_int,&(intvar),(long)1,(long)1,sizeof(int),
173 ECPGt_int,&(nullind),(long)1,(long)1,sizeof(int), ECPGt_EORT);}
174#line 42 "indicators.pgc"
175
176 printf("intvar: %d, nullind: %d\n", intvar, nullind);
177
178 { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table indicator_test", ECPGt_EOIT, ECPGt_EORT);}
179#line 45 "indicators.pgc"
180
181 { ECPGtrans(__LINE__, NULL, "commit work");}
182#line 46 "indicators.pgc"
183
184
185 { ECPGdisconnect(__LINE__, "CURRENT");}
186#line 48 "indicators.pgc"
187
188 return 0;
189}
bool ECPGsetcommit(int lineno, const char *mode, const char *connection_name)
Definition: connect.c:153
bool ECPGdisconnect(int lineno, const char *connection_name)
Definition: connect.c:676
bool ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
Definition: connect.c:255
@ ECPGst_normal
Definition: ecpgtype.h:97
@ ECPGt_EOIT
Definition: ecpgtype.h:62
@ ECPGt_int
Definition: ecpgtype.h:44
@ ECPGt_NO_INDICATOR
Definition: ecpgtype.h:64
@ ECPGt_EORT
Definition: ecpgtype.h:63
bool ECPGdo(const int lineno, const int compat, const int force_indicator, const char *connection_name, const bool questionmarks, const int st, const char *query,...)
Definition: execute.c:2275
bool ECPGtrans(int lineno, const char *connection_name, const char *transaction)
Definition: misc.c:160
#define printf(...)
Definition: port.h:245
#define ECPGdebug(X, Y)
Definition: sql-indicators.c:7

References ECPGconnect(), ECPGdebug, ECPGdisconnect(), ECPGdo(), ECPGsetcommit(), ECPGst_normal, ECPGt_EOIT, ECPGt_EORT, ECPGt_int, ECPGt_NO_INDICATOR, ECPGtrans(), and printf.