cli_8h-source.html

俄罗斯牛人KK的作品,著名的ORDBMS,这里上传最新的3.39版本源代码.希望了解对象关系数据库的同好,请不要错过.

00669     cli_null_reference_error,
00670     cli_lock_revoked,
00671     cli_file_limit_exeeded        
00672 };
00673 <span class="keyword">typedef</span> void (CLI_CALLBACK_CC *cli_error_handler)(<span class="keywordtype">int</span> error, <span class="keywordtype">char</span> <span class="keyword">const</span>* msg, <span class="keywordtype">int</span> msgarg, <span class="keywordtype">void</span>* context); 
00674 cli_error_handler FASTDB_DLL_ENTRY cli_set_error_handler(<span class="keywordtype">int</span> session, cli_error_handler new_handler, <span class="keywordtype">void</span>* context);
00675 
00676 <span class="comment">/*********************************************************************</span>
00677 <span class="comment"> * cli_freeze</span>
00678 <span class="comment"> *    Freeze cursor. Make it possible to reused cursor after commit of the current transaction.</span>
00679 <span class="comment"> * Parameters:</span>
00680 <span class="comment"> *     statement   - statememt descriptor returned by cli_statement</span>
00681 <span class="comment"> * Returns:</span>
00682 <span class="comment"> *     result code as described in cli_result_code enum</span>
00683 <span class="comment"> */</span>
00684 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_freeze(<span class="keywordtype">int</span> statement);
00685 
00686 <span class="comment">/*********************************************************************</span>
00687 <span class="comment"> * cli_unfreeze</span>
00688 <span class="comment"> *    Unfreeze cursor. Reuse previously frozen cursor.</span>
00689 <span class="comment"> * Parameters:</span>
00690 <span class="comment"> *     statement   - statememt descriptor returned by cli_statement</span>
00691 <span class="comment"> * Returns:</span>
00692 <span class="comment"> *     result code as described in cli_result_code enum</span>
00693 <span class="comment"> */</span>
00694 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_unfreeze(<span class="keywordtype">int</span> statement);
00695 
00696 
00697 <span class="comment">/*********************************************************************</span>
00698 <span class="comment"> * cli_attach</span>
00699 <span class="comment"> *    Attach thread to the database. Each thread except one opened the database should first</span>
00700 <span class="comment"> *    attach to the database before any access to the database, and detach after end of the work with database</span>
00701 <span class="comment"> * Parameters:</span>
00702 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00703 <span class="comment"> * Returns:</span>
00704 <span class="comment"> *     result code as described in cli_result_code enum</span>
00705 <span class="comment"> */</span>
00706 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_attach(<span class="keywordtype">int</span> session);
00707 
00708 <span class="comment">/*********************************************************************</span>
00709 <span class="comment"> * cli_detach</span>
00710 <span class="comment"> *    Detach thread from the database. Each thread except one opened the database should perform </span>
00711 <span class="comment"> *    attach to the database before any access to the database, and detach after end of the work with database</span>
00712 <span class="comment"> * Parameters:</span>
00713 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00714 <span class="comment"> *     detach_mode - bit mask representing detach mode</span>
00715 <span class="comment"> * Returns:</span>
00716 <span class="comment"> *     result code as described in cli_result_code enum</span>
00717 <span class="comment"> */</span>
00718 <span class="keyword">enum</span> cli_detach_mode {
00719     cli_commit_on_detach          = 1,
00720     cli_destroy_context_on_detach = 2
00721 };
00722 
00723 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_detach(<span class="keywordtype">int</span> session, <span class="keywordtype">int</span> detach_mode);
00724 
00725 
00726 <span class="comment">/*********************************************************************</span>
00727 <span class="comment"> * cli_free_memory</span>
00728 <span class="comment"> *    Free memory allocated by cli_show_tables and cli_describe</span>
00729 <span class="comment"> * Parameters:</span>
00730 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00731 <span class="comment"> *     ptr - pointer to the allocated buffer</span>
00732 <span class="comment"> */</span>
00733 <span class="keywordtype">void</span> FASTDB_DLL_ENTRY cli_free_memory(<span class="keywordtype">int</span> session, <span class="keywordtype">void</span>* ptr);
00734 
00735 
00736 <span class="keyword">typedef</span> <span class="keyword">struct </span>cli_database_monitor {
00737     <span class="keywordtype">int</span> n_readers;
00738     <span class="keywordtype">int</span> n_writers;
00739     <span class="keywordtype">int</span> n_blocked_readers;
00740     <span class="keywordtype">int</span> n_blocked_writers;
00741     <span class="keywordtype">int</span> n_users;
00742 } cli_database_monitor;
00743 
00744 <span class="comment">/*********************************************************************</span>
00745 <span class="comment"> * cli_get_database_state</span>
00746 <span class="comment"> *    Obtain information about current state of the database</span>
00747 <span class="comment"> * Parameters:</span>
00748 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00749 <span class="comment"> *     monitor - pointer to the monitor structure. The folloing fields are set:</span>
00750 <span class="comment"> *       n_readers: number of granted shared locks</span>
00751 <span class="comment"> *       n_writers: number of granted exclusive locks</span>
00752 <span class="comment"> *       n_blocked_reader: number of threads which shared lock request was blocked</span>
00753 <span class="comment"> *       n_blocked_writers: number of threads which exclusive lock request was blocked</span>
00754 <span class="comment"> *       n_users: number of processes openned the database</span>
00755 <span class="comment"> * Returns:</span>
00756 <span class="comment"> *     result code as described in cli_result_code enum</span>
00757 <span class="comment"> */</span>
00758 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_get_database_state(<span class="keywordtype">int</span> session, cli_database_monitor* monitor);
00759 
00760 
00761 
00762 <span class="comment">/*********************************************************************</span>
00763 <span class="comment"> * cli_set_trace_function</span>
00764 <span class="comment"> *    Set trace function which will be used to output FastDB trace messages</span>
00765 <span class="comment"> * Parameters:</span>
00766 <span class="comment"> *     func - pointer to trace function which receives trace message terminated with new line character</span>
00767 <span class="comment"> */</span>
00768 <span class="keyword">typedef</span> void (CLI_CALLBACK_CC *cli_trace_function_t)(<span class="keywordtype">char</span>* msg);
00769 <span class="keywordtype">void</span> FASTDB_DLL_ENTRY cli_set_trace_function(cli_trace_function_t func);
00770 
00771 
00772 <span class="comment">/*********************************************************************</span>
00773 <span class="comment"> * cli_prepare_query</span>
00774 <span class="comment"> *     Prepare SubSQL query statement. </span>
00775 <span class="comment"> * Parameters:</span>
00776 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00777 <span class="comment"> *     query   - query string with optional parameters. Parameters are specified</span>
00778 <span class="comment"> *               as '%T' where T is one or two character code of parameter type using the same notation</span>
00779 <span class="comment"> *               as in printf: %d or %i - int, %f - float or double, %ld - int8, %s - string, %p - oid...</span>
00780 <span class="comment"> *               Parameter of cli_rectangle_t* type has format %R, cli_time_t type - %t</span>
00781 <span class="comment"> * Returns:</span>
00782 <span class="comment"> *     &gt;= 0 - statement descriptor</span>
00783 <span class="comment"> *     &lt;  0 - error code as described in cli_result_code enum</span>
00784 <span class="comment"> */</span>
00785 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_prepare_query(<span class="keywordtype">int</span> session, <span class="keywordtype">char</span> <span class="keyword">const</span>* query);
00786 
00799 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_execute_query(<span class="keywordtype">int</span> statement, <span class="keywordtype">int</span> for_update, <span class="keywordtype">void</span>* record_struct, ...);
00800 
00812 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_insert_struct(<span class="keywordtype">int</span> session, <span class="keywordtype">char</span> <span class="keyword">const</span>* table_name, <span class="keywordtype">void</span>* record_struct, cli_oid_t* oid);
00813 
00814 <span class="keyword">typedef</span> <span class="keywordtype">void</span>* cli_transaction_context_t;
00815 <span class="comment">/*********************************************************************</span>
00816 <span class="comment"> * cli_create_transaction_context</span>
00817 <span class="comment"> *    Create new transaction xontext which can be used in cli_join_transaction function</span>
00818 <span class="comment"> * Parameters:</span>
00819 <span class="comment"> * Returns:</span>
00820 <span class="comment"> *     created transaction context</span>
00821 <span class="comment"> */</span>
00822  cli_transaction_context_t FASTDB_DLL_ENTRY cli_create_transaction_context();
00823 
00824 <span class="comment">/*********************************************************************</span>
00825 <span class="comment"> * cli_join_transaction</span>
00826 <span class="comment"> *    Associate current threads with specified transaction context,</span>
00827 <span class="comment"> *    It allows to share single transaction between multiple threads.</span>
00828 <span class="comment"> * Parameters:</span>
00829 <span class="comment"> *     session - session descriptor returned by cli_open</span>
00830 <span class="comment"> *     ctx     - transaction context created by cli_create_transaction_context</span>
00831 <span class="comment"> * Returns:</span>
00832 <span class="comment"> *     result code as described in cli_result_code enum</span>
00833 <span class="comment"> */</span>
00834 <span class="keywordtype">int</span> FASTDB_DLL_ENTRY cli_join_transaction(<span class="keywordtype">int</span> session, cli_transaction_context_t ctx);
00835 
00836 <span class="comment">/*********************************************************************</span>
00837 <span class="comment"> * cli_remove_transaction_context</span>
00838 <span class="comment"> *    Remove transaction context</span>
00839 <span class="comment"> * Parameters:</span>
00840 <span class="comment"> *     ctx  transaction context created by cli_create_transaction_context</span>
00841 <span class="comment"> */</span>
00842 <span class="keywordtype">void</span> FASTDB_DLL_ENTRY cli_remove_transaction_context(cli_transaction_context_t ctx);
00843 
00844 <span class="preprocessor">#ifdef __cplusplus</span>
00845 <span class="preprocessor"></span>}
00846 <span class="preprocessor">#endif</span>
00847 <span class="preprocessor"></span>
00848 <span class="preprocessor">#endif</span>
00849 <span class="preprocessor"></span>
00850 
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