show.pgc

来自「postgresql8.3.4源码,开源数据库」· PGC 代码 · 共 38 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];
  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 SET search_path TO 'public';
  EXEC SQL SHOW search_path INTO :var;
  printf("Var: Search path: %s\n", var);

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

  EXEC SQL SET TIME ZONE PST8PDT;
  EXEC SQL SHOW TIME ZONE INTO :var;
  printf("Time Zone: %s\n", var);

  EXEC SQL SET TRANSACTION ISOLATION LEVEL read committed;
  EXEC SQL SHOW TRANSACTION ISOLATION LEVEL INTO :var;
  printf("Transaction isolation level: %s\n", var);

  EXEC SQL DISCONNECT ALL;

  return 0;
}