144 lines
5.4 KiB
C
144 lines
5.4 KiB
C
/*
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测试odbc支持smalldatetime类型
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test: SQLPrimaryKeys()函数,字段类型为smalldatetime的列作为主键的时候，能查询出来
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.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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int main( )
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{
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SQLHENV hEnv = SQL_NULL_HENV;
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SQLHDBC hDbc = SQL_NULL_HDBC;
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SQLHSTMT hStmt = SQL_NULL_HSTMT;
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SQLRETURN rc = SQL_SUCCESS;
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SQLINTEGER RETCODE = 0;
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SQLCHAR schema[200] = "PUBLIC";
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SQLCHAR table[200] = "ODBC_SMALLDATETIME_01";
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SQLCHAR colname[200] = {0};
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SQLLEN cbcolname = 0;
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(void) printf ("**** Entering CLIP06.\n\n");
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/*****************************************************************/
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/* Allocate environment handle */
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/*****************************************************************/
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RETCODE = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &hEnv);
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if (!SQL_SUCCEEDED(RETCODE))
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goto dberror;
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SQLSetEnvAttr(hEnv, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
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/*****************************************************************/
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/* Allocate connection handle to DSN */
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/*****************************************************************/
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RETCODE = SQLAllocHandle(SQL_HANDLE_DBC, hEnv, &hDbc);
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if( !SQL_SUCCEEDED(RETCODE) ) // Could not get a Connect Handle
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goto dberror;
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/*****************************************************************/
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/* CONNECT TO data source (STLEC1) */
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/*****************************************************************/
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RETCODE = SQLConnect(hDbc, // Connect handle
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(SQLCHAR *)"gaussdb", // DSN
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SQL_NTS, // DSN is nul-terminated
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NULL, // Null UID
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0 ,
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NULL, // Null Auth string
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0);
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if( !SQL_SUCCEEDED(RETCODE)) // Connect failed
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{
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printf("connetct failed!");
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goto dberror;
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}
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/*****************************************************************/
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/* Allocate statement handle */
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/*****************************************************************/
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rc = SQLAllocHandle(SQL_HANDLE_STMT, hDbc, &hStmt);
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if (!SQL_SUCCEEDED(rc))
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goto exit;
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/*****************************************************************/
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/* */
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/* Retrieve native SQL types from DSN ------------> */
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/* */
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/* The result set consists of 15 columns. We only bind */
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/* serveral we modified for smalldatetime. Note: Need */
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/* not bind all columns of result set -- only those required. */
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/* */
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/*****************************************************************/
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rc = SQLExecDirect(hStmt,"drop table IF EXISTS odbc_smalldatetime_01",SQL_NTS);
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if (!SQL_SUCCEEDED(rc))
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{
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printf("drop error!\n");
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goto exit;
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}
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rc = SQLExecDirect(hStmt,"create table odbc_smalldatetime_01(TM smalldatetime PRIMARY KEY) distribute by replication ",SQL_NTS);
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if (!SQL_SUCCEEDED(rc))
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{
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printf("create error!\n");
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goto exit;
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}
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rc = SQLExecDirect(hStmt,"insert into odbc_smalldatetime_01 values('2012-09-10 12:23:23')",SQL_NTS);
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if (!SQL_SUCCEEDED(rc))
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{
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goto exit;
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}
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rc = SQLPrimaryKeys(hStmt, NULL, 0, schema, sizeof(schema),table,sizeof(table));
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if (!SQL_SUCCEEDED(rc))
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{
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printf("SQLPrimaryKeys error!\n");
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goto exit;
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}
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rc = SQLBindCol(hStmt,4,SQL_C_CHAR, (SQLPOINTER)colname,sizeof(colname),&cbcolname);
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rc = SQLFetch(hStmt);
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while(rc != SQL_NO_DATA)
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{
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printf("The primary key column is ----: %s\n",colname);
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rc = SQLFetch(hStmt);
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};
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if (!SQL_SUCCEEDED(rc) && rc != SQL_NO_DATA)
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goto exit;
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/*****************************************************************/
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/* Free statement handle */
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/*****************************************************************/
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RETCODE = SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
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if (!SQL_SUCCEEDED(RETCODE)) // An advertised API failed
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goto dberror;
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/*****************************************************************/
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/* DISCONNECT from data source */
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/*****************************************************************/
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RETCODE = SQLDisconnect(hDbc);
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if (!SQL_SUCCEEDED(RETCODE))
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goto dberror;
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/*****************************************************************/
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/* Deallocate connection handle */
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/*****************************************************************/
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RETCODE = SQLFreeHandle(SQL_HANDLE_DBC, hDbc);
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if (!SQL_SUCCEEDED(RETCODE))
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goto dberror;
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/*****************************************************************/
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/* Free environment handle */
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/*****************************************************************/
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RETCODE = SQLFreeHandle(SQL_HANDLE_ENV, hEnv);
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if (!SQL_SUCCEEDED(RETCODE))
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goto exit;
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return 0;
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dberror:
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RETCODE=12;
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exit:
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(void) printf ("**** Exiting CLIP06.\n\n");
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return(RETCODE);
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}
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