86 lines
3.2 KiB
C
86 lines
3.2 KiB
C
/*
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测试odbc支持语句执行超时连接设置
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test: SQLSetStmtAttr()函数设定3秒超时,SQLExecDirect执行pg_sleep(10)，会被终止，提示返回信息ERROR: canceling statement due to user request (110)
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <sql.h>
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#include <sqlext.h>
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#include <sqltypes.h>
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#include <time.h>
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SQLHENV V_OD_Env; // Handle ODBC environment
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SQLHENV V_OD_hstmt; // Handle statement
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SQLHDBC V_OD_hdbc; // Handle connection
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SQLRETURN rc;
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SQLLEN V_OD_rowanz;
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SQLINTEGER V_OD_err,V_OD_id,ID,IDLEN,typelen;
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SQLSMALLINT V_OD_mlen,V_OD_colanz,col_type,col_num;
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long V_OD_erg;
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char V_OD_stat[10]; // Status SQL
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char V_OD_msg[200],V_OD_buffer[200],type[200],name[200],
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typename[200],col_name[200], numattr[200];
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int i;
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char *buf = "zhuyunlong";
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int value = 25;
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int main(int argc,char *argv[])
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{
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// 1. allocate Environment handle and register version
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V_OD_erg = SQLAllocHandle(SQL_HANDLE_ENV,SQL_NULL_HANDLE,&V_OD_Env);
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if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
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{
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printf("Error AllocHandle\n");
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exit(-1);
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}
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SQLSetEnvAttr(V_OD_Env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
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// 2. allocate connection handle, set timeout
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V_OD_erg = SQLAllocHandle(SQL_HANDLE_DBC, V_OD_Env, &V_OD_hdbc);
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if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
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{
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printf("Error AllocHDB %d\n",V_OD_erg);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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exit(-1);
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}
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V_OD_erg = SQLConnect(V_OD_hdbc, (SQLCHAR*) "gaussdb", SQL_NTS,
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(SQLCHAR*) "", SQL_NTS,
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(SQLCHAR*) "", SQL_NTS);
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if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
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{
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printf("Error SQLConnect %d\n",V_OD_erg);
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SQLGetDiagRec(SQL_HANDLE_DBC, V_OD_hdbc,1,
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V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
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printf("%s (%d)\n",V_OD_msg,V_OD_err);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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exit(-1);
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}
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printf("Connected !\n");
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V_OD_erg=SQLAllocHandle(SQL_HANDLE_STMT, V_OD_hdbc, &V_OD_hstmt);
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if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
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{
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printf("Fehler im AllocStatement %d\n",V_OD_erg);
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SQLGetDiagRec(SQL_HANDLE_DBC, V_OD_hdbc,1, V_OD_stat,&V_OD_err,V_OD_msg,100,&V_OD_mlen);
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printf("%s (%d)\n",V_OD_msg,V_OD_err);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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exit(-1);
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}
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// set the wairt time is 5 seconds.
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SQLSetStmtAttr(V_OD_hstmt,SQL_ATTR_QUERY_TIMEOUT,(SQLPOINTER *)3,0); //set the max timeout 5!
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V_OD_erg = SQLExecDirect(V_OD_hstmt,"select pg_sleep(10)",SQL_NTS); //select delay timeout:need create a big table tb1
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// Expected : SQL_ERROR, this statement will time out
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if (V_OD_erg != SQL_ERROR)
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{
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printf("Failed to test timeout : %d\n", V_OD_erg);
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return -1;
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}
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SQLFreeHandle(SQL_HANDLE_STMT,V_OD_hstmt);
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SQLDisconnect(V_OD_hdbc);
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SQLFreeHandle(SQL_HANDLE_DBC,V_OD_hdbc);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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printf("GO ON!\n");
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return(0);
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}
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