insupd.pgc

来自「postgresql8.3.4源码,开源数据库」· PGC 代码 · 共 36 行

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

EXEC SQL INCLUDE ../regression;

int main(int argc, char* argv[]) {
  EXEC SQL BEGIN DECLARE SECTION;
  	int i1[3], i2[3];
  EXEC SQL END DECLARE SECTION;

  ECPGdebug(1, stderr);
  EXEC SQL CONNECT TO REGRESSDB1;

  EXEC SQL WHENEVER SQLWARNING SQLPRINT;
  EXEC SQL WHENEVER SQLERROR SQLPRINT;

  EXEC SQL CREATE TABLE insupd_test(a int, b int);

  EXEC SQL INSERT INTO insupd_test (a,b) values (1, 1);
  EXEC SQL INSERT INTO insupd_test (a,b) values (2, 2);
  EXEC SQL INSERT INTO insupd_test (a,b) values (3, 3);

  EXEC SQL UPDATE insupd_test set a=a+1;
  EXEC SQL UPDATE insupd_test set (a,b)=(5,5) where a = 4;
  EXEC SQL UPDATE insupd_test set a=4 where a=3;;

  EXEC SQL SELECT a,b into :i1,:i2 from insupd_test order by a;

  printf("test\na b\n%d %d\n%d %d\n%d %d\n", i1[0], i2[0], i1[1], i2[1], i1[2], i2[2]);

  EXEC SQL DISCONNECT ALL;

  return 0;
}