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first commit for openGauss connect odbc code

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lishifu
2020-06-24 16:11:37 +08:00
parent 2a3a17f54e
commit 59eb2808c4
458 changed files with 141117 additions and 75 deletions
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148
odbc-test-gauss/odbc_SQLTables.c Normal file
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#include <stdio.h>
#include <sql.h>
#include <sqlext.h>
#include <sqltypes.h>
#include <time.h>
SQLHENV V_OD_Env; // Handle ODBC environment
SQLHENV V_OD_hstmt;
SQLRETURN rc;
long V_OD_erg; // result of functions
SQLHDBC V_OD_hdbc; // Handle connection
char V_OD_stat[10]; // Status SQL
SQLINTEGER V_OD_err,V_OD_rowanz,V_OD_id,V_ID;
SQLSMALLINT V_OD_mlen,V_OD_colanz;
char V_OD_msg[200],V_OD_buffer[200],schema[200],table[200],database[200],remark[200],V_OD_buffer1[200];
SQLINTEGER maxlv,minlv,curschema;
SQLINTEGER m_min,m_max;
SQLHSTMT hstmt;
char *buf = "Mike";
int value = 3;
int main(int argc,char *argv[])
{
/**
ODBC handle
1) SQL_HANDLE_ENV
2) SQL_HANDLE_DBC
3) SQL_HANDLE_STMT
*/
// 1. test SQLAllocEnv
V_OD_erg = SQLAllocEnv(&V_OD_Env);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error AllocHandle\n");
return -1;
}
V_OD_erg = SQLSetEnvAttr(V_OD_Env, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error SetEnv\n");
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
// 2. allocate connection handle, set timeout
V_OD_erg = SQLAllocConnect (V_OD_Env, &V_OD_hdbc);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error AllocHDB %d\n",V_OD_erg);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
// 3. Connect to the datasource "gaussdb"
V_OD_erg = SQLConnect(V_OD_hdbc, (SQLCHAR*) "gaussdb", SQL_NTS,
(SQLCHAR*) "", SQL_NTS,
(SQLCHAR*) "", SQL_NTS);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error SQLConnect %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_DBC, V_OD_hdbc,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
printf("Connected Successfuly!\n");
V_OD_erg = SQLAllocHandle(SQL_HANDLE_STMT, V_OD_hdbc, &hstmt);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error allcoc hstmt %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
V_OD_erg = SQLExecDirect(hstmt,"drop table IF EXISTS FVT_INTERFACE.odbc_SQLTables_001",SQL_NTS);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error drop table %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
V_OD_erg = SQLExecDirect(hstmt,"drop table IF EXISTS FVT_INTERFACE.odbc_SQLTables_002",SQL_NTS);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error drop table %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
V_OD_erg = SQLExecDirect(hstmt,"create table FVT_INTERFACE.odbc_SQLTables_001(id int,addr varchar(25),age float)",SQL_NTS);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error drop table %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
V_OD_erg = SQLExecDirect(hstmt,"create table FVT_INTERFACE.odbc_SQLTables_002(id int,addr varchar(25),age float)",SQL_NTS);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error drop table %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_STMT, hstmt,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
V_OD_erg=SQLTables(hstmt, NULL, 0, (SQLCHAR*)"fvt_interface", 200, (SQLCHAR*)"odbc_sqltables_002", 200, NULL,0);
if ((V_OD_erg != SQL_SUCCESS) && (V_OD_erg != SQL_SUCCESS_WITH_INFO))
{
printf("Error SQLConnect %d\n",V_OD_erg);
SQLGetDiagRec(SQL_HANDLE_DBC, V_OD_hdbc,1,
V_OD_stat, &V_OD_err,V_OD_msg,100,&V_OD_mlen);
printf("%s (%d)\n",V_OD_msg,V_OD_err);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return -1;
}
SQLLEN schemaid,databaseid,tableid;
rc = SQLBindCol(hstmt,3,SQL_C_CHAR, (SQLPOINTER)table,255,&tableid);
rc = SQLBindCol(hstmt,2,SQL_C_CHAR, (SQLPOINTER)schema,255,&schemaid);
rc = SQLBindCol(hstmt,1,SQL_C_CHAR, (SQLPOINTER)database,255,&databaseid);
rc = SQLFetch(hstmt);
while(rc != SQL_NO_DATA)
{
printf("database schema table ----: %s %s %s\n",database,schema,table);
rc = SQLFetch(hstmt);
};
SQLDisconnect(V_OD_hdbc);
SQLFreeHandle(SQL_HANDLE_DBC,V_OD_hdbc);
SQLFreeHandle(SQL_HANDLE_ENV, V_OD_Env);
return(0);
}