--- parser3/src/classes/table.C 2001/04/03 17:01:01 1.48 +++ parser3/src/classes/table.C 2001/04/05 11:50:06 1.53 @@ -5,7 +5,7 @@ Author: Alexander Petrosyan (http://design.ru/paf) - $Id: table.C,v 1.48 2001/04/03 17:01:01 paf Exp $ + $Id: table.C,v 1.53 2001/04/05 11:50:06 paf Exp $ */ #include "pa_config_includes.h" @@ -14,6 +14,7 @@ #include "_table.h" #include "pa_vtable.h" #include "pa_vint.h" +#include "pa_sql_connection.h" // global var @@ -394,14 +395,14 @@ static void _join(Request& r, const Stri Table *maybe_src=value->get_table(); if(!maybe_src) - RTHROW(0, 0, + PTHROW(0, 0, &method_name, "source is not a table"); Table& src=*maybe_src; Table& dest=static_cast(r.self)->table(); if(&src == &dest) - RTHROW(0, 0, + PTHROW(0, 0, &method_name, "source and destination are same table"); @@ -421,15 +422,95 @@ static void _join(Request& r, const Stri } } +/// ^table:sql{query}[(count[;offset])] @test limit/offset +static void _sql(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + + if(!r.connection) + PTHROW(0, 0, + &method_name, + "without connect"); + + Value& statement=*static_cast(params->get(0)); + // forcing {this query param type} + r.fail_if_junction_(true, statement, method_name, "statement must not be junction"); + + ulong limit=0; + if(params->size()>1) { + Value& limit_code=*static_cast(params->get(1)); + // forcing (this limit param type) + r.fail_if_junction_(false, limit_code, method_name, "limit must be expression"); + limit=(uint)r.process(limit_code).as_double(); + } + + ulong offset=0; + if(params->size()>2) { + Value& offset_code=*static_cast(params->get(2)); + // forcing (this limit param type) + r.fail_if_junction_(false, offset_code, method_name, "offset must be expression"); + offset=(ulong)r.process(offset_code).as_double(); + } + + const String& statement_string=statement.as_string(); + const char *statement_cstr=statement_string.cstr(String::UL_SQL); + unsigned int sql_column_count; SQL_Driver::Cell *sql_columns; + unsigned long sql_row_count; SQL_Driver::Cell **sql_rows; + bool need_rethrow=false; Exception rethrow_me; + PTRY { + r.connection->query( + statement_cstr, offset, limit, + &sql_column_count, &sql_columns, + &sql_row_count, &sql_rows); + } + PCATCH(e) { // connect/process problem + rethrow_me=e; need_rethrow=true; + } + PEND_CATCH + if(need_rethrow) + PTHROW(rethrow_me.type(), rethrow_me.code(), + &statement_string, // setting more specific source [were url] + rethrow_me.comment()); + + Array& table_columns=*new(pool) Array(pool); + for(unsigned int i=0; i(r.self)->set_table(table); +} + // initialize void initialize_table_class(Pool& pool, VStateless_class& vclass) { - // ^table.set{data} - // ^table.set[nameless]{data} + // ^table:set{data} + // ^table:set[nameless]{data} vclass.add_native_method("set", Method::CT_DYNAMIC, _set, 1, 2); - // ^table.load[file] - // ^table.load[nameless;file] + // ^table:load[file] + // ^table:load[nameless;file] vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2); // ^table.save[file] @@ -475,4 +556,8 @@ void initialize_table_class(Pool& pool, // ^table.join[table] vclass.add_native_method("join", Method::CT_DYNAMIC, _join, 1, 1); + + + // ^table:sql[query][(count[;offset])] + vclass.add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 3); }