// Example to execute a simple query
// In Linux: gcc -o simple simple.c -m64 -I${CUBRID}/include -lnsl ${CUBRID}/lib/libcascci.so -lpthread

#include <stdio.h>
#include "cas_cci.h"
#define BUFSIZE  (1024)

int
main (void)
{
    int con = 0, req = 0, col_count = 0, i, ind;
    int error;
    char *data;
    T_CCI_ERROR cci_error;
    T_CCI_COL_INFO *col_info;
    T_CCI_CUBRID_STMT stmt_type;
    char *query = "select * from code";

    //getting a connection handle for a connection with a server
    con = cci_connect ("localhost", 33000, "demodb", "dba", "");
    if (con < 0)
    {
        printf ("cannot connect to database\n");
        return 1;
    }

    //preparing the SQL statement
    req = cci_prepare (con, query, 0, &cci_error);
    if (req < 0)
    {
        printf ("prepare error: %d, %s\n", cci_error.err_code,
                cci_error.err_msg);
        goto handle_error;
    }

    //getting column information when the prepared statement is the SELECT query
    col_info = cci_get_result_info (req, &stmt_type, &col_count);
    if (col_info == NULL)
    {
        printf ("get_result_info error: %d, %s\n", cci_error.err_code,
                cci_error.err_msg);
        goto handle_error;
    }

    //Executing the prepared SQL statement
    error = cci_execute (req, 0, 0, &cci_error);
    if (error < 0)
    {
        printf ("execute error: %d, %s\n", cci_error.err_code,
                cci_error.err_msg);
        goto handle_error;
    }
    while (1)
    {

        //Moving the cursor to access a specific tuple of results
        error = cci_cursor (req, 1, CCI_CURSOR_CURRENT, &cci_error);
        if (error == CCI_ER_NO_MORE_DATA)
        {
            break;
        }
        if (error < 0)
        {
            printf ("cursor error: %d, %s\n", cci_error.err_code,
                    cci_error.err_msg);
            goto handle_error;
        }

        //Fetching the query result into a client buffer
        error = cci_fetch (req, &cci_error);
        if (error < 0)
        {
            printf ("fetch error: %d, %s\n", cci_error.err_code,
                    cci_error.err_msg);
            goto handle_error;
        }
        for (i = 1; i <= col_count; i++)
        {

            //Getting data from the fetched result
            error = cci_get_data (req, i, CCI_A_TYPE_STR, &data, &ind);
            if (error < 0)
            {
                printf ("get_data error: %d, %d\n", error, i);
                goto handle_error;
            }
            printf ("%s\t|", data);
        }
        printf ("\n");
    }

    //Closing the request handle
    error = cci_close_req_handle (req);
    if (error < 0)
    {
        printf ("close_req_handle error: %d, %s\n", cci_error.err_code,
                cci_error.err_msg);
        goto handle_error;
    }

    //Disconnecting with the server
    error = cci_disconnect (con, &cci_error);
    if (error < 0)
    {
        printf ("error: %d, %s\n", cci_error.err_code, cci_error.err_msg);
        goto handle_error;
    }

    return 0;

handle_error:
    if (req > 0)
        cci_close_req_handle (req);
    if (con > 0)
    cci_disconnect (con, &cci_error);

    return 1;
}

// Example to execute a query with a bind variable
// In Linux: gcc -o cci_bind cci_bind.c -m64 -I${CUBRID}/include -lnsl ${CUBRID}/lib/libcascci.so -lpthread

#include <stdio.h>
#include <string.h>
#include "cas_cci.h"
#define BUFSIZE  (1024)

int
main (void)
{
    int con = 0, req = 0, col_count = 0, i, ind;
    int error;
    char *data;
    T_CCI_ERROR cci_error;
    T_CCI_COL_INFO *col_info;
    T_CCI_CUBRID_STMT stmt_type;
    char *query = "select * from nation where name = ?";
    char namebuf[128];

    //getting a connection handle for a connection with a server
    con = cci_connect ("localhost", 33000, "demodb", "dba", "");
    if (con < 0)
    {
        printf ("cannot connect to database\n");
        return 1;
    }

    //preparing the SQL statement
    req = cci_prepare (con, query, 0, &cci_error);
    if (req < 0)
    {
        printf ("prepare error: %d, %s\n", cci_error.err_code,
              cci_error.err_msg);
        goto handle_error;
    }

    //Binding date into a value
    strcpy (namebuf, "Korea");
    error =
    cci_bind_param (req, 1, CCI_A_TYPE_STR, namebuf, CCI_U_TYPE_STRING,
                    CCI_BIND_PTR);
    if (error < 0)
    {
        printf ("bind_param error: %d ", error);
        goto handle_error;
    }

    //getting column information when the prepared statement is the SELECT query
    col_info = cci_get_result_info (req, &stmt_type, &col_count);
    if (col_info == NULL)
    {
        printf ("get_result_info error: %d, %s\n", cci_error.err_code,
              cci_error.err_msg);
        goto handle_error;
    }

    //Executing the prepared SQL statement
    error = cci_execute (req, 0, 0, &cci_error);
    if (error < 0)
    {
        printf ("execute error: %d, %s\n", cci_error.err_code,
              cci_error.err_msg);
        goto handle_error;
    }

    //Executing the prepared SQL statement
    error = cci_execute (req, 0, 0, &cci_error);
    if (error < 0)
    {
        printf ("execute error: %d, %s\n", cci_error.err_code,
              cci_error.err_msg);
        goto handle_error;
    }

    while (1)
    {

        //Moving the cursor to access a specific tuple of results
        error = cci_cursor (req, 1, CCI_CURSOR_CURRENT, &cci_error);
        if (error == CCI_ER_NO_MORE_DATA)
        {
            break;
        }
        if (error < 0)
        {
            printf ("cursor error: %d, %s\n", cci_error.err_code,
                  cci_error.err_msg);
            goto handle_error;
        }

        //Fetching the query result into a client buffer
        error = cci_fetch (req, &cci_error);
        if (error < 0)
        {
            printf ("fetch error: %d, %s\n", cci_error.err_code,
                  cci_error.err_msg);
            goto handle_error;
        }
        for (i = 1; i <= col_count; i++)
        {

            //Getting data from the fetched result
            error = cci_get_data (req, i, CCI_A_TYPE_STR, &data, &ind);
            if (error < 0)
            {
                printf ("get_data error: %d, %d\n", error, i);
                goto handle_error;
            }
            if (ind == -1)
            {
                printf ("NULL\t");
            }
            else
            {
                printf ("%s\t|", data);
            }
        }
            printf ("\n");
    }

    //Closing the request handle
    error = cci_close_req_handle (req);
    if (error < 0)
    {
        printf ("close_req_handle error: %d, %s\n", cci_error.err_code,
                cci_error.err_msg);
        goto handle_error;
    }

    //Disconnecting with the server
    error = cci_disconnect (con, &cci_error);
    if (error < 0)
    {
        printf ("error: %d, %s\n", cci_error.err_code, cci_error.err_msg);
        goto handle_error;
    }

    return 0;

handle_error:
    if (req > 0)
        cci_close_req_handle (req);
    if (con > 0)
        cci_disconnect (con, &cci_error);
    return 1;
}

// Example to use connection/statement pool in CCI
// In Linux: gcc -o cci_pool cci_pool.c -m64 -I${CUBRID}/include -lnsl ${CUBRID}/lib/libcascci.so -lpthread

#include <stdio.h>
#include "cas_cci.h"

int main ()
{
    T_CCI_PROPERTIES *ps = NULL;
    T_CCI_DATASOURCE *ds = NULL;
    T_CCI_ERROR err;
    T_CCI_CONN cons;
    int rc = 1, i;

    ps = cci_property_create ();
    if (ps == NULL)
    {
        fprintf (stderr, "Could not create T_CCI_PROPERTIES.\n");
        rc = 0;
        goto cci_pool_end;
    }

    cci_property_set (ps, "user", "dba");
    cci_property_set (ps, "url", "cci:cubrid:localhost:33000:demodb:::");
    cci_property_set (ps, "pool_size", "10");
    cci_property_set (ps, "max_wait", "1200");
    cci_property_set (ps, "pool_prepared_statement", "true");
    cci_property_set (ps, "login_timeout", "300000");
    cci_property_set (ps, "query_timeout", "3000");

    ds = cci_datasource_create (ps, &err);
    if (ds == NULL)
    {
        fprintf (stderr, "Could not create T_CCI_DATASOURCE.\n");
        fprintf (stderr, "E[%d,%s]\n", err.err_code, err.err_msg);
        rc = 0;
        goto cci_pool_end;
    }

    for (i = 0; i < 3; i++)
    {
        cons = cci_datasource_borrow (ds, &err);
        if (cons < 0)
        {
            fprintf (stderr,
                    "Could not borrow a connection from the data source.\n");
            fprintf (stderr, "E[%d,%s]\n", err.err_code, err.err_msg);
            continue;
        }
        // put working code here.
        cci_work (cons);
        cci_datasource_release (ds, cons, &err);

    }

cci_pool_end:
  cci_property_destroy (ps);
  cci_datasource_destroy (ds);

  return 0;
}

// working code
int cci_work (T_CCI_CONN con)
{
    T_CCI_ERROR err;
    char sql[4096];
    int req, res, error, ind;
    int data;

    cci_set_autocommit (con, CCI_AUTOCOMMIT_TRUE);
    cci_set_lock_timeout (con, 100, &err);
    cci_set_isolation_level (con, TRAN_REP_CLASS_COMMIT_INSTANCE, &err);

    error = 0;
    snprintf (sql, 4096, "SELECT host_year FROM record WHERE athlete_code=11744");
    req = cci_prepare (con, sql, 0, &err);
    if (req < 0)
    {
        printf ("prepare error: %d, %s\n", err.err_code, err.err_msg);
        return error;
    }

    res = cci_execute (req, 0, 0, &err);
    if (res < 0)
    {
        printf ("execute error: %d, %s\n", err.err_code, err.err_msg);
        goto cci_work_end;
    }

    while (1)
    {
    error = cci_cursor (req, 1, CCI_CURSOR_CURRENT, &err);
    if (error == CCI_ER_NO_MORE_DATA)
    {
        break;
    }
    if (error < 0)
    {
        printf ("cursor error: %d, %s\n", err.err_code, err.err_msg);
        goto cci_work_end;
    }

    error = cci_fetch (req, &err);
    if (error < 0)
    {
        printf ("fetch error: %d, %s\n", err.err_code, err.err_msg);
        goto cci_work_end;
    }

    error = cci_get_data (req, 1, CCI_A_TYPE_INT, &data, &ind);
    if (error < 0)
    {
        printf ("get data error: %d\n", error);
        goto cci_work_end;
    }
    printf ("%d\n", data);
    }

    error = 1;
cci_work_end:
    cci_close_req_handle (req);
    return error;
}

int con = 0; /* connection handle */
int req = 0; /* request handle */
int res;
int n_executed;
int i;
T_CCI_ERROR error;
T_CCI_BLOB blob = NULL;
char data[1024] = "bulabula";

con = cci_connect ("localhost", 33000, "tdb", "PUBLIC", "");
if (con < 0) {
    goto handle_error;
}
req = cci_prepare (con, "insert into doc (doc_id, content) values (?,?)", 0, &error);
if (req< 0)
{
    goto handle_error;
}

res = cci_bind_param (req, 1 /* binding index*/, CCI_A_TYPE_STR, "doc-10", CCI_U_TYPE_STRING, CCI_BIND_PTR);

/* Creating an empty LOB data file */
res = cci_blob_new (con, &blob, &error);
res = cci_blob_write (con, blob, 0 /* start position */, 1024 /* length */, data, &error);

/* Binding BLOB data */
res = cci_bind_param (req, 2 /* binding index*/, CCI_A_TYPE_BLOB, (void *)blob, CCI_U_TYPE_BLOB, CCI_BIND_PTR);

n_executed = cci_execute (req, 0, 0, &error);
if (n_executed < 0)
{
    goto handle_error;
}

/* Commit */
if (cci_end_tran(con, CCI_TRAN_COMMIT, &error) < 0)
{
    goto handle_error;
}

/* Memory free */
cci_blob_free(blob);
return 0;

handle_error:
if (blob != NULL)
{
    cci_blob_free(blob);
}
if (req > 0)
{
    cci_close_req_handle (req);
}
if (con > 0)
{
    cci_disconnect(con, &error);
}
return -1;

int con = 0; /* connection handle */
int req = 0; /* request handle */
int ind; /* NULL indicator, 0 if not NULL, -1 if NULL*/
int res;
int i;
T_CCI_ERROR error;
T_CCI_BLOB blob;
char buffer[1024];

con = cci_connect ("localhost", 33000, "image_db", "PUBLIC", "");
if (con < 0)
{
    goto handle_error;
}
req = cci_prepare (con, "select content from doc_t", 0 /*flag*/, &error);
if (req< 0)
{
    goto handle_error;
}

res = cci_execute (req, 0/*flag*/, 0/*max_col_size*/, &error);

while (1) {
    res = cci_cursor (req, 1/* offset */, CCI_CURSOR_CURRENT/* cursor position */, &error);
    if (res == CCI_ER_NO_MORE_DATA)
    {
        break;
    }
    res = cci_fetch (req, &error);

    /* Fetching CLOB Locator */
    res = cci_get_data (req, 1 /* colume index */, CCI_A_TYPE_BLOB,
    (void *)&blob /* BLOB handle */, &ind /* NULL indicator */);
    /* Fetching CLOB data */
    res = cci_blob_read (con, blob, 0 /* start position */, 1024 /* length */, buffer, &error);
    printf ("content = %s\n", buffer);
}

/* Memory free */
cci_blob_free(blob);
res=cci_close_req_handle(req);
res = cci_disconnect (con, &error);
return 0;

handle_error:
if (req > 0)
{
    cci_close_req_handle (req);
}
if (con > 0)
{
    cci_disconnect(con, &error);
}
return -1;

// gcc -o err err.c -m64 -I${CUBRID}/include -lnsl ${CUBRID}/lib/libcascci.so -lpthread
#include <stdio.h>
#include "cas_cci.h"

#define BUFSIZE  (1024)

int
main (void)
{
    int con = 0, req = 0, col_count = 0, i, ind;
    int error;
    char *data;
    T_CCI_ERROR err_buf;
    char *query = "select * from notable";

    //getting a connection handle for a connection with a server
    con = cci_connect ("localhost", 33000, "demodb", "dba", "");
    if (con < 0)
    {
        printf ("cannot connect to database\n");
        return 1;
    }

    //preparing the SQL statement
    req = cci_prepare (con, query, 0, &err_buf);
    if (req < 0)
    {
        if (req == CCI_ER_DBMS)
        {
            printf ("error from server: %d, %s\n", err_buf.err_code, err_buf.err_msg);
        }
        else
        {
            printf ("error from cci or cas: %d, %s\n", err_buf.err_code, err_buf.err_msg);
        }
        goto handle_error;
    }
    // ...
}