?? get_send_data.c
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#if HAVE_CONFIG_H#include <config.h>#endif /* HAVE_CONFIG_H */#include <stdarg.h>#include <stdio.h>#if HAVE_STRING_H#include <string.h>#endif /* HAVE_STRING_H */#include <ctpublic.h>#include "common.h"static char software_version[] = "$Id: get_send_data.c,v 1.5 2007/09/17 08:46:02 freddy77 Exp $";static void *no_unused_var_warn[] = { software_version, no_unused_var_warn };/* Testing: Retrieve CS_TEXT_TYPE using ct_bind() */intmain(int argc, char **argv){ CS_CONTEXT *ctx; CS_CONNECTION *conn; CS_COMMAND *cmd; int i, verbose = 0; CS_RETCODE ret; CS_RETCODE ret2; CS_RETCODE results_ret; CS_INT result_type; CS_INT num_cols; CS_DATAFMT datafmt; CS_INT datalength; CS_SMALLINT ind; CS_INT count, row_count = 0; CS_INT id; CS_CHAR name[600]; CS_CHAR *nameptr; CS_INT getlen; char large_sql[1024]; char len600[601]; char len800[801]; char temp[11]; char *textptr; CS_IODESC iodesc; len600[0] = 0; name[0] = 0; for (i = 0; i < 60; i++) { sprintf(temp, "_abcde_%03d", (i + 1) * 10); strcat(len600, temp); } len600[600] = '\0'; len800[0] = 0; for (i = 0; i < 80; i++) { sprintf(temp, "_zzzzz_%03d", (i + 1) * 10); strcat(len800, temp); } len800[800] = '\0'; fprintf(stdout, "%s: Retrieve CS_TEXT_TYPE using ct_bind()\n", __FILE__); if (verbose) { fprintf(stdout, "Trying login\n"); } ret = try_ctlogin(&ctx, &conn, &cmd, verbose); if (ret != CS_SUCCEED) { fprintf(stderr, "Login failed\n"); return 1; } ret = run_command(cmd, "CREATE TABLE #test_table (id int, name text)"); if (ret != CS_SUCCEED) return 1; sprintf(large_sql, "INSERT #test_table (id, name) VALUES (2, '%s')", len600); ret = run_command(cmd, large_sql); if (ret != CS_SUCCEED) return 1; ret = ct_command(cmd, CS_LANG_CMD, "SELECT id, name FROM #test_table", CS_NULLTERM, CS_UNUSED); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_command() failed\n"); return 1; } ret = ct_send(cmd); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_send() failed\n"); return 1; } while ((results_ret = ct_results(cmd, &result_type)) == CS_SUCCEED) { switch ((int) result_type) { case CS_CMD_SUCCEED: break; case CS_CMD_DONE: break; case CS_CMD_FAIL: fprintf(stderr, "ct_results() result_type CS_CMD_FAIL.\n"); return 1; case CS_ROW_RESULT: ret = ct_res_info(cmd, CS_NUMDATA, &num_cols, CS_UNUSED, NULL); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_res_info() failed"); return 1; } if (num_cols != 2) { fprintf(stderr, "num_cols %d != 2", num_cols); return 1; } ret = ct_describe(cmd, 1, &datafmt); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_describe() failed"); return 1; } datafmt.format = CS_FMT_UNUSED; if (datafmt.maxlength > 1024) { datafmt.maxlength = 1024; } ret = ct_bind(cmd, 1, &datafmt, &id, &datalength, &ind); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_bind() failed\n"); return 1; } while (((ret = ct_fetch(cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, &count)) == CS_SUCCEED) || (ret == CS_ROW_FAIL)) { row_count += count; if (ret == CS_ROW_FAIL) { fprintf(stderr, "ct_fetch() CS_ROW_FAIL on row %d.\n", row_count); return 1; } else { /* ret == CS_SUCCEED */ if (verbose) { fprintf(stdout, "id = '%d'\n", id); } nameptr = name; while ((ret2 = ct_get_data(cmd, 2 , nameptr, 200, &getlen )) == CS_SUCCEED) { nameptr += getlen; } if (ret2 != CS_END_DATA) { fprintf(stderr, "ct_get_data() failed\n"); return 1; } if (memcmp(name, len600, 600)) { fprintf(stderr, "Bad return data\n"); return 1; } fprintf(stdout, "%s: Trying ct_data_info on text column\n", __FILE__); if (ct_data_info(cmd, CS_GET, 2, &iodesc) != CS_SUCCEED) { fprintf(stderr, "ct_data_info() failed\n"); return 1; } else { fprintf(stdout, "datatype = %d\n", iodesc.datatype); fprintf(stdout, "usertype = %d\n", iodesc.usertype); fprintf(stdout, "text len = %d\n", iodesc.total_txtlen); fprintf(stdout, "name = %*.*s\n", iodesc.namelen, iodesc.namelen, iodesc.name); } } } switch ((int) ret) { case CS_END_DATA: break; case CS_FAIL: fprintf(stderr, "ct_fetch() returned CS_FAIL.\n"); return 1; default: fprintf(stderr, "ct_fetch() unexpected return.\n"); return 1; } break; case CS_COMPUTE_RESULT: fprintf(stderr, "ct_results() unexpected CS_COMPUTE_RESULT.\n"); return 1; default: fprintf(stderr, "ct_results() unexpected result_type.\n"); return 1; } } switch ((int) results_ret) { case CS_END_RESULTS: break; case CS_FAIL: fprintf(stderr, "ct_results() failed.\n"); return 1; break; default: fprintf(stderr, "ct_results() unexpected return.\n"); return 1; } if ((ret = ct_command(cmd, CS_SEND_DATA_CMD, NULL, CS_UNUSED, CS_COLUMN_DATA)) != CS_SUCCEED) { fprintf(stderr, "ct_command(CS_SEND_DATA_CMD) failed.\n"); return 1; } iodesc.total_txtlen = 800; iodesc.log_on_update = CS_TRUE; if (ct_data_info(cmd, CS_SET, CS_UNUSED, &iodesc) != CS_SUCCEED) { fprintf(stderr, "ct_data_info() failed\n"); return 1; } for ( i = 0 ; i < 800 ; i += 200 ) { textptr = &len800[i]; ret = ct_send_data(cmd, textptr, (CS_INT) 200); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_send_data failed\n"); return 1; } } ret = ct_send(cmd); if (ret != CS_SUCCEED) { fprintf(stderr, "ct_send failed\n"); return 1; } while ((results_ret = ct_results(cmd, &result_type)) == CS_SUCCEED) { switch ((int) result_type) { case CS_CMD_SUCCEED: break; case CS_CMD_DONE: break; case CS_CMD_FAIL: fprintf(stderr, "ct_results() result_type CS_CMD_FAIL.\n"); return 1; case CS_ROW_RESULT: break; case CS_PARAM_RESULT: break; case CS_COMPUTE_RESULT: fprintf(stderr, "ct_results() unexpected CS_COMPUTE_RESULT.\n"); return 1; default: fprintf(stderr, "ct_results() unexpected result_type.\n"); return 1; } } switch ((int) results_ret) { case CS_END_RESULTS: break; case CS_FAIL: fprintf(stderr, "ct_results() failed.\n"); return 1; break; default: fprintf(stderr, "ct_results() unexpected return.\n"); return 1; } if (verbose) { fprintf(stdout, "Trying logout\n"); } ret = try_ctlogout(ctx, conn, cmd, verbose); if (ret != CS_SUCCEED) { fprintf(stderr, "Logout failed\n"); return 1; } return 0;}?? 快捷鍵說明
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