quote.pgc

来自「postgresql8.3.4源码,开源数据库」· PGC 代码 · 共 57 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;
    char var[25];
    int i;
  EXEC SQL END DECLARE SECTION;

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

  EXEC SQL SET AUTOCOMMIT TO ON;
  EXEC SQL WHENEVER SQLWARNING SQLPRINT;
  EXEC SQL WHENEVER SQLERROR SQLPRINT;

  EXEC SQL CREATE TABLE "My_Table" ( Item1 int, Item2 text );

  EXEC SQL SHOW standard_conforming_strings INTO :var;
  printf("Standard conforming strings: %s\n", var);

  /* this is a\\b actually */
  EXEC SQL INSERT INTO "My_Table" VALUES ( 1, 'a\\\\b' );
  /* this is a\\b */
  EXEC SQL INSERT INTO "My_Table" VALUES ( 1, E'a\\\\b' );

  EXEC SQL SET standard_conforming_strings TO on;

  /* this is a\\\\b actually */
  EXEC SQL INSERT INTO "My_Table" VALUES ( 2, 'a\\\\b' );
  /* this is a\\b */
  EXEC SQL INSERT INTO "My_Table" VALUES ( 2, E'a\\\\b' );

  EXEC SQL BEGIN;
  EXEC SQL DECLARE C CURSOR FOR SELECT * FROM "My_Table";

  EXEC SQL OPEN C;

  EXEC SQL WHENEVER NOT FOUND DO BREAK;

  while (true)
  {
  	EXEC SQL FETCH C INTO :i, :var;
	printf("value: %d %s\n", i, var);
  }

  EXEC SQL ROLLBACK;
  EXEC SQL DROP TABLE "My_Table";

  EXEC SQL DISCONNECT ALL;

  return 0;
}