Line data Source code
1 : #include <stdio.h>
2 : #include <stdlib.h>
3 : #include <string.h>
4 :
5 : #include <pgtypes_numeric.h>
6 :
7 : EXEC SQL INCLUDE sqlda.h;
8 :
9 : EXEC SQL INCLUDE ../regression;
10 :
11 0 : static void warn(void)
12 : {
13 0 : fprintf(stderr, "Warning: At least one column was truncated\n");
14 0 : }
15 :
16 : /* Compatible handling of char array to retrieve varchar field to char array
17 : should be fixed-length, blank-padded, then null-terminated.
18 : Conforms to the ANSI Fixed Character type. */
19 :
20 0 : int main() {
21 :
22 : EXEC SQL WHENEVER SQLWARNING do warn();
23 : EXEC SQL WHENEVER SQLERROR STOP;
24 :
25 0 : const char *ppppp = "XXXXX";
26 0 : int loopcount;
27 0 : sqlda_t *sqlda = NULL;
28 :
29 : EXEC SQL BEGIN DECLARE SECTION;
30 0 : char shortstr[5];
31 0 : char bigstr[11];
32 0 : short shstr_ind = 0;
33 0 : short bigstr_ind = 0;
34 : EXEC SQL END DECLARE SECTION;
35 :
36 0 : ECPGdebug(1, stderr);
37 0 : EXEC SQL CONNECT TO REGRESSDB1;
38 0 :
39 0 : EXEC SQL CREATE TABLE strdbase (strval varchar(10));
40 0 : EXEC SQL INSERT INTO strdbase values ('');
41 0 : EXEC SQL INSERT INTO strdbase values ('AB');
42 0 : EXEC SQL INSERT INTO strdbase values ('ABCD');
43 0 : EXEC SQL INSERT INTO strdbase values ('ABCDE');
44 0 : EXEC SQL INSERT INTO strdbase values ('ABCDEF');
45 0 : EXEC SQL INSERT INTO strdbase values ('ABCDEFGHIJ');
46 0 :
47 : EXEC SQL declare C cursor for select strval, strval from strdbase;
48 0 : EXEC SQL OPEN C;
49 0 :
50 : EXEC SQL WHENEVER NOT FOUND DO BREAK;
51 :
52 0 : printf("Full Str. : Short Ind.\n");
53 0 : for (loopcount = 0; loopcount < 100; loopcount++) {
54 0 : strncpy(shortstr, ppppp, sizeof shortstr);
55 0 : memset(bigstr, 0, sizeof bigstr);
56 0 : EXEC SQL FETCH C into :bigstr :bigstr_ind, :shortstr :shstr_ind;
57 0 : printf("\"%s\": \"%s\" %d\n", bigstr, shortstr, shstr_ind);
58 0 : }
59 0 :
60 0 : EXEC SQL CLOSE C;
61 0 : EXEC SQL DROP TABLE strdbase;
62 0 : EXEC SQL COMMIT WORK;
63 0 :
64 : /* SQLDA handling */
65 : EXEC SQL WHENEVER SQLWARNING SQLPRINT;
66 : EXEC SQL WHENEVER NOT FOUND STOP;
67 0 : EXEC SQL PREPARE stmt1 FROM "SELECT 123::numeric(3,0), 't'::varchar(2)";
68 0 : EXEC SQL DECLARE cur1 CURSOR FOR stmt1;
69 0 : EXEC SQL OPEN cur1;
70 0 : EXEC SQL FETCH NEXT FROM cur1 INTO DESCRIPTOR sqlda;
71 0 :
72 0 : printf("\n-----------------\ntype : data\n");
73 0 : for (int i = 0 ; i < sqlda->sqld ; i++)
74 : {
75 0 : sqlvar_t v = sqlda->sqlvar[i];
76 0 : char *sqldata = v.sqldata;
77 :
78 0 : if (v.sqltype == ECPGt_numeric)
79 0 : sqldata =
80 0 : PGTYPESnumeric_to_asc((numeric*) sqlda->sqlvar[i].sqldata, -1);
81 :
82 0 : printf("%-8s: \"%s\"\n", v.sqlname.data, sqldata);
83 0 : }
84 :
85 0 : EXEC SQL CLOSE cur1;
86 0 : EXEC SQL COMMIT WORK;
87 0 :
88 0 : printf("\nGOOD-BYE!!\n\n");
89 :
90 0 : EXEC SQL DISCONNECT ALL;
91 0 :
92 0 : return 0;
93 0 : }
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