118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
#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;
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SQLRETURN rc;
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long V_OD_erg; // result of functions
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SQLHDBC V_OD_hdbc; // Handle connection
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char V_OD_stat[10]; // Status SQL
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SQLINTEGER V_OD_err,V_OD_rowanz,V_OD_id,V_ID;
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SQLSMALLINT V_OD_mlen,V_OD_colanz;
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char V_OD_msg[200],V_OD_buffer[200],schema[200],table[200],database[200],remark[200],V_OD_buffer1[200];
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SQLINTEGER maxlv,minlv,curschema;
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SQLINTEGER m_min,m_max;
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SQLHSTMT hstmt;
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char *buf = "Mike";
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int value = 3;
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int main(int argc,char *argv[])
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{
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/**
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ODBC handle
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1) SQL_HANDLE_ENV
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2) SQL_HANDLE_DBC
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3) SQL_HANDLE_STMT
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*/
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// 1. test SQLAllocEnv
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V_OD_erg = SQLAllocEnv(&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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return -1;
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}
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V_OD_erg = SQLSetEnvAttr(V_OD_Env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
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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 SetEnv\n");
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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return -1;
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}
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// 2. allocate connection handle, set timeout
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V_OD_erg = SQLAllocConnect (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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return -1;
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}
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// 3. Connect to the datasource "gaussdb"
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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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return -1;
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}
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printf("Connected Successfuly!\n");
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V_OD_erg = SQLAllocHandle(SQL_HANDLE_STMT, V_OD_hdbc, &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("Error allcoc hstmt %d\n",V_OD_erg);
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SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,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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return -1;
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}
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rc = SQLExecDirect(hstmt,"drop table IF EXISTS FVT_INTERFACE.odbc_SQLNumParams",SQL_NTS);
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if ((!SQL_SUCCEEDED(rc)))
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{
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printf("Error SQLExecDirect %d\n",rc);
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SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,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_DBC,V_OD_hdbc);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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return -1;
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}
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rc = SQLExecDirect(hstmt,"create table FVT_INTERFACE.odbc_SQLNumParams(tm time)",SQL_NTS);
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if ((!SQL_SUCCEEDED(rc)))
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{
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printf("Error SQLExecDirect %d\n",rc);
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SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,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_DBC,V_OD_hdbc);
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SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
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return -1;
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}
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SQLPrepare(hstmt,"insert into FVT_INTERFACE.odbc_SQLNumParams values(?)",SQL_NTS);
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SQLSMALLINT num;
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SQLNumParams(hstmt,&num);
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printf("paramsnum----: %d\n",num);
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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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return(0);
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}
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