--- parser3/src/classes/table.C 2016/03/31 21:46:20 1.313 +++ parser3/src/classes/table.C 2016/07/29 13:30:42 1.315 @@ -22,7 +22,7 @@ #define USE_STRINGSTREAM #endif -volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.313 2016/03/31 21:46:20 moko Exp $"; +volatile const char * IDENT_TABLE_C="$Id: table.C,v 1.315 2016/07/29 13:30:42 moko Exp $"; // class @@ -749,6 +749,7 @@ struct Row_info { Value* key_code; size_t key_field; Array* value_fields; + Value* value_code; HashStringValue* hash; Table2hash_distint distinct; size_t row; @@ -781,9 +782,7 @@ static void table_row_to_hash(Table::ele for(Array_iterator i(*info->value_fields); i.has_next(); ) { size_t value_field=i.next(); if(value_fieldcount()) - hash.put( - *info->table->columns()->get(value_field), - new VString(*row->get(value_field))); + hash.put(*info->table->columns()->get(value_field), new VString(*row->get(value_field))); } exist=info->hash->put_dont_replace(*key, vhash); @@ -809,11 +808,15 @@ static void table_row_to_hash(Table::ele *table+=row_copy; break; } + case C_CODE: { + if(!info->key_code) + info->table->set_current(info->row++); // change context row + exist=info->hash->put_dont_replace(*key, &info->r->process(*info->value_code).as_value()); + break; + } } if(exist && info->distinct==D_ILLEGAL) - throw Exception(PARSER_RUNTIME, - key, - "duplicate key"); + throw Exception(PARSER_RUNTIME, key, "duplicate key"); } Table2hash_value_type get_value_type(Value& vvalue_type){ @@ -826,15 +829,22 @@ Table2hash_value_type get_value_type(Val } else if (svalue_type == "hash") { return C_HASH; } else { - throw Exception(PARSER_RUNTIME, - &svalue_type, - "must be 'hash', 'table' or 'string'"); + throw Exception(PARSER_RUNTIME, &svalue_type, "must be 'hash', 'table' or 'string'"); } } else { - throw Exception(PARSER_RUNTIME, - 0, - "'type' must be hash"); + throw Exception(PARSER_RUNTIME, 0, "'type' must be string"); + } +} + +static Table2hash_distint get_distinct(Value& vdistinct, Table2hash_value_type& value_type){ + if(vdistinct.is_string()) { + const String& sdistinct=*vdistinct.get_string(); + if(sdistinct!="tables") + throw Exception(PARSER_RUNTIME, &sdistinct, "must be 'tables' or true/false"); + value_type=C_TABLE; + return D_FIRST; } + return vdistinct.as_bool() ? D_FIRST : D_ILLEGAL; } static void _hash(Request& r, MethodParams& params) { @@ -846,32 +856,22 @@ static void _hash(Request& r, MethodPara Table2hash_value_type value_type=C_HASH; int param_index=params.count()-1; if(param_index>0) { - if(HashStringValue* options=params.as_no_junction(param_index, PARAM_MUST_NOT_BE_CODE).get_hash()){ // can't use .as_has because the 2nd param could be table so .as_hash throws an error + + if(params[1].get_junction()) + value_type=C_CODE; + + if(HashStringValue* options=params[param_index].get_hash()){ // can't use .as_hash because the 2nd param could be table so .as_hash throws an error --param_index; int valid_options=0; if(Value* vdistinct_code=options->get(sql_distinct_name)) { // $.distinct ? valid_options++; - Value& vdistinct_value=r.process_to_value(*vdistinct_code); - if(vdistinct_value.is_string()) { - const String& sdistinct=*vdistinct_value.get_string(); - if(sdistinct=="tables") { - value_type=C_TABLE; - distinct=D_FIRST; - } else { - throw Exception(PARSER_RUNTIME, - &sdistinct, - "must be 'tables' or true/false"); - } - } else { - distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; - } + distinct=get_distinct(r.process_to_value(*vdistinct_code), value_type); } if(Value* vvalue_type_code=options->get(sql_value_type_name)) { // $.type ? if(value_type==C_TABLE) // $.distinct[tables] already was specified - throw Exception(PARSER_RUNTIME, - 0, - "you can't specify $.distinct[tables] and $.type[] together"); - + throw Exception(PARSER_RUNTIME, 0, "you can't specify $.distinct[tables] and $.type[] together"); + if(value_type==C_CODE) + throw Exception(PARSER_RUNTIME, 0, "you can't specify $.type[] if value is code"); valid_options++; value_type=get_value_type(r.process_to_value(*vvalue_type_code)); } @@ -881,27 +881,27 @@ static void _hash(Request& r, MethodPara } } - if(param_index==2) // options was specified but not as hash + if(param_index==2) // options were specified but not as hash throw Exception(PARSER_RUNTIME, 0, "options must be hash"); Array value_fields; + Value* value_code=0; + if(param_index==0){ // list of columns wasn't specified if(value_type==C_STRING) // $.type[string] - throw Exception(PARSER_RUNTIME, - 0, - "you must specify one value field with option $.type[string]"); + throw Exception(PARSER_RUNTIME, 0, "you must specify one value field with option $.type[string]"); for(size_t i=0; icount(); i++) // by all columns, including key value_fields+=i; - } else { // list of columns was specified + } else { // list of columns or code was specified if(value_type==C_TABLE) - throw Exception(PARSER_RUNTIME, - 0, - "you can't specify value field(s) with option $.distinct[tables] or $.type[tables]"); + throw Exception(PARSER_RUNTIME, 0, "you can't specify value field(s) with option $.distinct[tables] or $.type[tables]"); - Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); - if(value_fields_param.is_string()) { // one column as string was specified + Value& value_fields_param=params[1]; + if(value_fields_param.get_junction()){ + value_code=&value_fields_param; + } else if(value_fields_param.is_string()) { // one column as string was specified value_fields+=self_table.column_name2index(*value_fields_param.get_string(), true); } else if(Table* value_fields_table=value_fields_param.get_table()) { // list of columns were specified in table for(Array_iterator i(*value_fields_table); i.has_next(); ) { @@ -909,31 +909,27 @@ static void _hash(Request& r, MethodPara value_fields +=self_table.column_name2index(value_field_name, true); } } else - throw Exception(PARSER_RUNTIME, - 0, - "value field(s) must be string or table"); + throw Exception(PARSER_RUNTIME, 0, "value field(s) must be string or table or code"); } if(value_type==C_STRING && value_fields.count()!=1) - throw Exception(PARSER_RUNTIME, - 0, - "you can specify only one value field with option $.type[string]"); + throw Exception(PARSER_RUNTIME, 0, "you can specify only one value field with option $.type[string]"); { Value* key_param=¶ms[0]; Row_info info={ &r, &self_table, - /*key_code=*/key_param->get_junction()?key_param:0, + /*key_code=*/key_param->get_junction() ? key_param : 0, /*key_field=*/0/*filled below*/, &value_fields, + value_code, &result.hash(), distinct, /*row=*/0, value_type }; - info.key_field=(info.key_code?-1 - :self_table.column_name2index(key_param->as_string(), true)); + info.key_field=(info.key_code ? -1 : self_table.column_name2index(key_param->as_string(), true)); int saved_current=self_table.current(); self_table.for_each(table_row_to_hash, &info);