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| version 1.213, 2005/08/26 12:23:10 | version 1.231, 2007/06/09 16:22:08 |
|---|---|
| Line 7 | Line 7 |
| static const char * const IDENT_TABLE_C="$Date$"; | static const char * const IDENT_TABLE_C="$Date$"; |
| #include <sstream> | |
| using namespace std; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 34 public: // Methoded | Line 37 public: // Methoded |
| DECLARE_CLASS_VAR(table, new MTable, 0); | DECLARE_CLASS_VAR(table, new MTable, 0); |
| // externs | |
| extern String cycle_data_name; | |
| // defines for globals | // defines for globals |
| #define SQL_BIND_NAME "bind" | #define SQL_BIND_NAME "bind" |
| #define SQL_LIMIT_NAME "limit" | |
| #define SQL_OFFSET_NAME "offset" | |
| #define SQL_DEFAULT_NAME "default" | #define SQL_DEFAULT_NAME "default" |
| #define SQL_DISTINCT_NAME "distinct" | #define SQL_DISTINCT_NAME "distinct" |
| #define SQL_VALUE_TYPE_NAME "type" | |
| #define TABLE_REVERSE_NAME "reverse" | #define TABLE_REVERSE_NAME "reverse" |
| // globals | // globals |
| String sql_bind_name(SQL_BIND_NAME); | String sql_bind_name(SQL_BIND_NAME); |
| String sql_limit_name(SQL_LIMIT_NAME); | String sql_limit_name(PA_SQL_LIMIT_NAME); |
| String sql_offset_name(SQL_OFFSET_NAME); | String sql_offset_name(PA_SQL_OFFSET_NAME); |
| String sql_default_name(SQL_DEFAULT_NAME); | String sql_default_name(SQL_DEFAULT_NAME); |
| String sql_distinct_name(SQL_DISTINCT_NAME); | String sql_distinct_name(SQL_DISTINCT_NAME); |
| String sql_value_type_name(SQL_VALUE_TYPE_NAME); | |
| String table_reverse_name(TABLE_REVERSE_NAME); | String table_reverse_name(TABLE_REVERSE_NAME); |
| // local defines | |
| #define COLUMN_SEPARATOR_NAME "separator" | |
| #define COLUMN_ENCLOSER_NAME "encloser" | |
| // methods | // methods |
| static Table::Action_options get_action_options(Request& r, MethodParams& params, | static Table::Action_options get_action_options(Request& r, MethodParams& params, |
| Line 95 static Table::Action_options get_action_ | Line 97 static Table::Action_options get_action_ |
| if(soffset == "cur") | if(soffset == "cur") |
| result.offset=source.current(); | result.offset=source.current(); |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &soffset, | &soffset, |
| "must be 'cur' string or expression"); | "must be 'cur' string or expression"); |
| } else | } else |
| Line 113 static Table::Action_options get_action_ | Line 115 static Table::Action_options get_action_ |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| Line 123 static void check_option_param(bool opti | Line 125 static void check_option_param(bool opti |
| MethodParams& params, size_t next_param_index, | MethodParams& params, size_t next_param_index, |
| const char *msg) { | const char *msg) { |
| if(next_param_index+(options_defined?1:0) != params.count()) | if(next_param_index+(options_defined?1:0) != params.count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "%s", msg); | "%s", msg); |
| } | } |
| Line 147 static void _create(Request& r, MethodPa | Line 149 static void _create(Request& r, MethodPa |
| size_t raw_pos_after=0; | size_t raw_pos_after=0; |
| Table::columns_type columns; | Table::columns_type columns; |
| if(params.count()==2) { | if(params.count()==2) { |
| String snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'"); | const String& snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'"); |
| if(snameless!="nameless") | if(snameless!="nameless") |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &snameless, | &snameless, |
| "table::create called with two params, first param may only be 'nameless'"); | "table::create called with two params, first param may only be 'nameless'"); |
| columns=Table::columns_type(0); // nameless | columns=Table::columns_type(0); // nameless |
| Line 276 struct TableSeparators { | Line 278 struct TableSeparators { |
| column('\t'), scolumn(new String("\t", false)), | column('\t'), scolumn(new String("\t", false)), |
| encloser(0), sencloser(0) | encloser(0), sencloser(0) |
| {} | {} |
| void load( HashStringValue& options ) { | int load( HashStringValue& options ) { |
| if(Value* vseparator=options.get(COLUMN_SEPARATOR_NAME)) { | int result=0; |
| options.remove(COLUMN_SEPARATOR_NAME); | if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) { |
| scolumn=&vseparator->as_string(); | scolumn=&vseparator->as_string(); |
| if(scolumn->length()!=1) | if(scolumn->length()!=1) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| scolumn, | scolumn, |
| "separator must be one character long"); | "separator must be one character long"); |
| column=scolumn->first_char(); | column=scolumn->first_char(); |
| result++; | |
| } | } |
| if(Value* vencloser=options.get(COLUMN_ENCLOSER_NAME)) { | if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) { |
| options.remove(COLUMN_ENCLOSER_NAME); | |
| sencloser=&vencloser->as_string(); | sencloser=&vencloser->as_string(); |
| if(sencloser->length()!=1) | if(sencloser->length()!=1) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| sencloser, | sencloser, |
| "encloser must be one character long"); | "encloser must be one character long"); |
| encloser=sencloser->first_char(); | encloser=sencloser->first_char(); |
| result++; | |
| } | } |
| return result; | |
| } | } |
| }; | }; |
| Line 338 static void _load(Request& r, MethodPara | Line 342 static void _load(Request& r, MethodPara |
| } | } |
| Table& table=*new Table(columns); | Table& table=*new Table(columns); |
| int columns_count=columns? columns->count(): 0; | |
| // parse cells | // parse cells |
| Table::element_type row(new ArrayString); | Table::element_type row(new ArrayString(columns_count)); |
| skip_empty_and_comment_lines(&data); | skip_empty_and_comment_lines(&data); |
| while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { | while( lsplit_result sr=lsplit(&data, separators.column, '\n', separators.encloser) ) { |
| if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] | if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] |
| Line 348 static void _load(Request& r, MethodPara | Line 353 static void _load(Request& r, MethodPara |
| *row+=new String(sr.piece, 0, true); | *row+=new String(sr.piece, 0, true); |
| if(sr.delim=='\n') { | if(sr.delim=='\n') { |
| table+=row; | table+=row; |
| row=new ArrayString; | row=new ArrayString(columns_count); |
| skip_empty_and_comment_lines(&data); | skip_empty_and_comment_lines(&data); |
| } | } |
| } | } |
| Line 360 static void _load(Request& r, MethodPara | Line 365 static void _load(Request& r, MethodPara |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| static void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { | void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { |
| if(encloser) { | if(encloser) { |
| to<<*sencloser; | to<<*sencloser; |
| // while we have 'encloser'... | // while we have 'encloser'... |
| size_t pos_after=0; | size_t pos_after=0; |
| for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before+1) { | for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) { |
| to<<from.mid(pos_before+1/*+found encloser*/, pos_after-pos_before); | pos_before++; // including first encloser (and skipping it for next pos) |
| to<<from.mid(pos_after, pos_before); | |
| to<<*sencloser; // doubling encloser | to<<*sencloser; // doubling encloser |
| } | } |
| // last piece | // last piece |
| Line 379 static void maybe_enclose( String& to, c | Line 385 static void maybe_enclose( String& to, c |
| to<<from; | to<<from; |
| } | } |
| void maybe_enclose( ostringstream& to, const String& from, char encloser ) { | |
| if(encloser) { | |
| to<<encloser; | |
| // while we have 'encloser'... | |
| size_t pos_after=0; | |
| for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) { | |
| pos_before++; // including first encloser (and skipping it for next pos) | |
| to<<from.mid(pos_after, pos_before).cstr(); | |
| to<<encloser; // doubling encloser | |
| } | |
| // last piece | |
| size_t from_length=from.length(); | |
| if(pos_after<from_length) | |
| to<<from.mid(pos_after, from_length).cstr(); | |
| static void _save(Request& r, MethodParams& params) { | to<<encloser; |
| } else | |
| to<<from.cstr(); | |
| } | |
| static void _save_old(Request& r, MethodParams& params) { | |
| const String& first_arg=params.as_string(0, "first argument must not be code"); | const String& first_arg=params.as_string(0, "first argument must not be code"); |
| size_t param_index=1; | size_t param_index=1; |
| Line 399 static void _save(Request& r, MethodPara | Line 425 static void _save(Request& r, MethodPara |
| TableSeparators separators; | TableSeparators separators; |
| if(param_index<params.count()) { | if(param_index<params.count()) { |
| if(HashStringValue *options=params.as_no_junction(param_index++, "additional params must be hash").get_hash()) { | Value& voptions=params.as_no_junction(param_index++, "additional params must be hash"); |
| separators.load(*options); | if( voptions.is_defined() && !voptions.is_string() ) { |
| if(options->count()) | if(HashStringValue* options=voptions.get_hash()) { |
| throw Exception("parser.runtime", | int valid_options=separators.load(*options); |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "invalid option passed"); | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | 0, |
| "invalid option passed"); | "additional params must be hash (did you spell mode parameter correctly?)"); |
| } else | } |
| throw Exception("parser.runtime", | } |
| 0, | |
| "additional params must be hash (did you spell mode parameter correctly?)"); | |
| } | } |
| if(param_index<params.count()) | if(param_index<params.count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "bad mode (must be nameless or append)"); | "bad mode (must be nameless or append)"); |
| Line 453 static void _save(Request& r, MethodPara | Line 482 static void _save(Request& r, MethodPara |
| } | } |
| // write | // write |
| file_write(r.absolute(file_name), | { |
| sdata.cstr(), sdata.length(), true, do_append); | const char* data_cstr=sdata.cstr(); |
| file_write(r.absolute(file_name), | |
| data_cstr, sdata.length(), true, do_append); | |
| if(*data_cstr) // not empty (when empty it's not heap memory) | |
| pa_free((void*)data_cstr); // not needed anymore | |
| } | |
| } | |
| static void _save(Request& r, MethodParams& params) { | |
| const String& first_arg=params.as_string(0, "first argument must not be code"); | |
| size_t param_index=1; | |
| bool do_append=false; | |
| bool output_column_names=true; | |
| // mode? | |
| if(first_arg=="append") | |
| do_append=true; | |
| else if(first_arg=="nameless") | |
| output_column_names=false; | |
| else | |
| --param_index; | |
| const String& file_name=params.as_string(param_index++, "file name must not be code"); | |
| TableSeparators separators; | |
| if(param_index<params.count()) { | |
| Value& voptions=params.as_no_junction(param_index++, "additional params must be hash"); | |
| if( voptions.is_defined() && !voptions.is_string() ) { | |
| if(HashStringValue* options=voptions.get_hash()) { | |
| int valid_options=separators.load(*options); | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "invalid option passed"); | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "additional params must be hash (did you spell mode parameter correctly?)"); | |
| } | |
| } | |
| } | |
| if(param_index<params.count()) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "bad mode (must be nameless or append)"); | |
| Table& table=GET_SELF(r, VTable).table(); | |
| ostringstream ost(stringstream::out); | |
| // process header | |
| if(output_column_names) { | |
| if(table.columns()) { // named table | |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | |
| maybe_enclose( ost, *i.next(), separators.encloser ); | |
| if(i.has_next()){ | |
| ost<<separators.column; | |
| } | |
| } | |
| } else { // nameless table [we were asked to output column names] | |
| if(int lsize=table.count()?table[0]->count():0) | |
| for(int column=0; column<lsize; column++) { | |
| if(separators.encloser) { | |
| ost<<separators.encloser<<column<<separators.encloser; | |
| } else { | |
| ost<<column; | |
| } | |
| if(column<lsize-1){ | |
| ost<<separators.column; | |
| } | |
| } | |
| else | |
| ost<<"empty nameless table"; | |
| } | |
| ost<<'\n'; | |
| } | |
| // process data lines | |
| Array_iterator<ArrayString*> i(table); | |
| while(i.has_next()) { | |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | |
| maybe_enclose( ost, *c.next(), separators.encloser ); | |
| if(c.has_next()) | |
| ost<<separators.column; | |
| } | |
| ost<<'\n'; | |
| } | |
| // write | |
| { | |
| string data=ost.str(); | |
| const char* data_cstr = data.c_str(); | |
| file_write(r.absolute(file_name), data_cstr, data.length(), true /* as text */, do_append); | |
| } | |
| } | } |
| static void _count(Request& r, MethodParams&) { | static void _count(Request& r, MethodParams&) { |
| Line 478 static void _offset(Request& r, MethodPa | Line 602 static void _offset(Request& r, MethodPa |
| else if(whence=="set") | else if(whence=="set") |
| absolute=true; | absolute=true; |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| &whence, | &whence, |
| "is invalid whence, valid are 'cur' or 'set'"); | "is invalid whence, valid are 'cur' or 'set'"); |
| } | } |
| Line 490 static void _offset(Request& r, MethodPa | Line 614 static void _offset(Request& r, MethodPa |
| } | } |
| static void _menu(Request& r, MethodParams& params) { | static void _menu(Request& r, MethodParams& params) { |
| Temp_hash_value<const String::Body, void*> | |
| cycle_data_setter(r.classes_conf, cycle_data_name, /*any not null flag*/&r); | |
| Value& body_code=params.as_junction(0, "body must be code"); | Value& body_code=params.as_junction(0, "body must be code"); |
| Value* delim_maybe_code=params.count()>1?¶ms[1]:0; | Value* delim_maybe_code=params.count()>1?¶ms[1]:0; |
| Line 502 static void _menu(Request& r, MethodPara | Line 629 static void _menu(Request& r, MethodPara |
| table.set_current(row); | table.set_current(row); |
| StringOrValue sv_processed=r.process(body_code); | StringOrValue sv_processed=r.process(body_code); |
| Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING); | |
| const String* s_processed=sv_processed.get_string(); | const String* s_processed=sv_processed.get_string(); |
| if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body | if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body |
| if(need_delim) // need delim & iteration produced string? | if(need_delim) // need delim & iteration produced string? |
| Line 509 static void _menu(Request& r, MethodPara | Line 637 static void _menu(Request& r, MethodPara |
| need_delim=true; | need_delim=true; |
| } | } |
| r.write_pass_lang(sv_processed); | r.write_pass_lang(sv_processed); |
| if(lskip==Request::SKIP_BREAK) | |
| break; | |
| } | } |
| table.set_current(saved_current); | table.set_current(saved_current); |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| enum Table2hash_distint { D_ILLEGAL, D_FIRST, D_TABLES }; | enum Table2hash_distint { D_ILLEGAL, D_FIRST }; |
| enum Table2hash_value_type { C_HASH, C_STRING, C_TABLE }; | |
| struct Row_info { | struct Row_info { |
| Request *r; | Request *r; |
| Table *table; | Table *table; |
| Line 524 struct Row_info { | Line 656 struct Row_info { |
| HashStringValue* hash; | HashStringValue* hash; |
| Table2hash_distint distinct; | Table2hash_distint distinct; |
| size_t row; | size_t row; |
| Table2hash_value_type value_type; | |
| }; | }; |
| #endif | #endif |
| static void table_row_to_hash(Table::element_type row, Row_info *info) { | static void table_row_to_hash(Table::element_type row, Row_info *info) { |
| Line 532 static void table_row_to_hash(Table::ele | Line 665 static void table_row_to_hash(Table::ele |
| info->table->set_current(info->row++); // change context row | info->table->set_current(info->row++); // change context row |
| StringOrValue sv_processed=info->r->process(*info->key_code); | StringOrValue sv_processed=info->r->process(*info->key_code); |
| key=&sv_processed.as_string(); | key=&sv_processed.as_string(); |
| } else | } else { |
| key=info->key_field<row->count()?row->get(info->key_field):0; | key=info->key_field<row->count()?row->get(info->key_field):0; |
| } | |
| if(!key) | if(!key) |
| return; // ignore rows without key [too-short-record_array if-indexed] | return; // ignore rows without key [too-short-record_array if-indexed] |
| switch(info->distinct) { | bool exist = false; |
| case D_ILLEGAL: case D_FIRST: | switch (info->value_type) { |
| case C_STRING: | |
| { | |
| exist=info->hash->put_dont_replace(*key, new VString(*row->get(info->value_fields->get(0)))); | |
| } | |
| break; | |
| case C_HASH: | |
| { | { |
| VHash* vhash=new VHash; | VHash* vhash=new VHash; |
| HashStringValue& hash=vhash->hash(); | HashStringValue& hash=vhash->hash(); |
| Line 551 static void table_row_to_hash(Table::ele | Line 691 static void table_row_to_hash(Table::ele |
| new VString(*row->get(value_field))); | new VString(*row->get(value_field))); |
| } | } |
| if(info->hash->put_dont_replace(*key, vhash)) // put. existed? | exist=info->hash->put_dont_replace(*key, vhash); |
| if(info->distinct==D_ILLEGAL) | |
| throw Exception("parser.runtime", | |
| key, | |
| "duplicate key"); | |
| } | } |
| break; | break; |
| case D_TABLES: | case C_TABLE: |
| { | { |
| VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed? | VTable* vtable=(VTable*)info->hash->get(*key); // put. table existed? |
| if( info->distinct==D_ILLEGAL ){ | |
| exist=true; | |
| break; | |
| } | |
| Table* table; | Table* table; |
| if(vtable) | if(vtable) { |
| table=vtable->get_table(); | table=vtable->get_table(); |
| else { | } else { |
| // no? creating table of same structure as source | // no? creating table of same structure as source |
| Table::Action_options table_options(0, 0); | Table::Action_options table_options(0, 0); |
| table=new Table(*info->table, table_options/*no rows, just structure*/); | table=new Table(*info->table, table_options/*no rows, just structure*/); |
| Line 573 static void table_row_to_hash(Table::ele | Line 714 static void table_row_to_hash(Table::ele |
| *table+=row; | *table+=row; |
| } | } |
| break; | break; |
| default: | |
| throw Exception(0, | |
| 0, | |
| "invalid distinct code (#%d)", info->distinct); | |
| } | } |
| if(exist && info->distinct==D_ILLEGAL) | |
| throw Exception(PARSER_RUNTIME, | |
| key, | |
| "duplicate key"); | |
| } | } |
| static void _hash(Request& r, MethodParams& params) { | static void _hash(Request& r, MethodParams& params) { |
| Table& self_table=GET_SELF(r, VTable).table(); | Table& self_table=GET_SELF(r, VTable).table(); |
| Line 585 static void _hash(Request& r, MethodPara | Line 726 static void _hash(Request& r, MethodPara |
| if(Table::columns_type columns=self_table.columns()) | if(Table::columns_type columns=self_table.columns()) |
| if(columns->count()>0) { | if(columns->count()>0) { |
| Table2hash_distint distinct=D_ILLEGAL; | Table2hash_distint distinct=D_ILLEGAL; |
| Table2hash_value_type value_type=C_HASH; | |
| int param_index=params.count()-1; | int param_index=params.count()-1; |
| if(param_index>0) { | if(param_index>0) { |
| if(HashStringValue* options= | if(HashStringValue* options= |
| params.as_no_junction(param_index, "param must not be code").get_hash()) { | params.as_no_junction(param_index, "param must not be code").get_hash() |
| ){ | |
| --param_index; | --param_index; |
| int valid_options=0; | int valid_options=0; |
| if(Value* vdistinct_code=options->get(sql_distinct_name)) { | if(Value* vdistinct_code=options->get(sql_distinct_name)) { |
| Line 596 static void _hash(Request& r, MethodPara | Line 739 static void _hash(Request& r, MethodPara |
| Value& vdistinct_value=r.process_to_value(*vdistinct_code); | Value& vdistinct_value=r.process_to_value(*vdistinct_code); |
| if(vdistinct_value.is_string()) { | if(vdistinct_value.is_string()) { |
| const String& sdistinct=*vdistinct_value.get_string(); | const String& sdistinct=*vdistinct_value.get_string(); |
| if(sdistinct=="tables") | if(sdistinct=="tables") { |
| distinct=D_TABLES; | value_type=C_TABLE; |
| else | distinct=D_FIRST; |
| throw Exception("parser.runtime", | } else |
| throw Exception(PARSER_RUNTIME, | |
| &sdistinct, | &sdistinct, |
| "must be 'tables' or true/false"); | "must be 'tables' or true/false"); |
| } else | } else |
| distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; | distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL; |
| } | } |
| if(Value* vvalue_type_code=options->get(sql_value_type_name)) { | |
| if(value_type==C_TABLE){ // $.distinct[tables] was specified | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can't specify $.distinct[tables] and $.values[] together."); | |
| } else { | |
| valid_options++; | |
| Value& vvalue_type_value=r.process_to_value(*vvalue_type_code); | |
| if(vvalue_type_value.is_string()) { | |
| const String& svalue_type=*vvalue_type_value.get_string(); | |
| if(svalue_type == "table"){ | |
| value_type=C_TABLE; | |
| } else if (svalue_type == "string") { | |
| value_type=C_STRING; | |
| } else if (svalue_type == "hash") { | |
| value_type=C_HASH; | |
| } else { | |
| throw Exception(PARSER_RUNTIME, | |
| &svalue_type, | |
| "must be 'hash', 'table' or 'string'"); | |
| } | |
| } | |
| } | |
| } | |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } | } |
| } | } |
| if(param_index==2) // bad options param type | if(param_index==2) // bad options param type |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "options must be hash"); | "options must be hash"); |
| Array<int> value_fields; | Array<int> value_fields; |
| if(param_index>0) { | if(param_index>0) { |
| if(distinct!=D_ILLEGAL && distinct!=D_FIRST) | if(value_type==C_TABLE) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "in distinct[tables] mode you may not specify value field(s)"); | "in distinct[tables] mode you may not specify value field(s)"); |
| Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); | Value& value_fields_param=params.as_no_junction(param_index, "value field(s) must not be code"); |
| Line 635 static void _hash(Request& r, MethodPara | Line 804 static void _hash(Request& r, MethodPara |
| +=self_table.column_name2index(value_field_name, true); | +=self_table.column_name2index(value_field_name, true); |
| } | } |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "value field(s) must be string or table" | "value field(s) must be string or table"); |
| ); | |
| } else { // by all columns, including key | } else { // by all columns, including key |
| if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST)) | if(value_type==C_STRING) |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "with $.values[string] you must specify one value field(s)"); | |
| // if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST)) | |
| for(size_t i=0; i<columns->count(); i++) | for(size_t i=0; i<columns->count(); i++) |
| value_fields+=i; | value_fields+=i; |
| } | } |
| if(value_type==C_STRING && value_fields.count()!=1) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can specify one value field with this $.type[]."); | |
| { | { |
| Value* key_param=¶ms[0]; | Value* key_param=¶ms[0]; |
| Line 656 static void _hash(Request& r, MethodPara | Line 833 static void _hash(Request& r, MethodPara |
| &value_fields, | &value_fields, |
| &result.hash(), | &result.hash(), |
| distinct, | distinct, |
| /*row=*/0 | /*row=*/0, |
| value_type | |
| }; | }; |
| info.key_field=(info.key_code?-1 | info.key_field=(info.key_code?-1 |
| :self_table.column_name2index(key_param->as_string(), true)); | :self_table.column_name2index(key_param->as_string(), true)); |
| Line 823 static void join_nameless_row(Table& src | Line 1001 static void join_nameless_row(Table& src |
| static void _join(Request& r, MethodParams& params) { | static void _join(Request& r, MethodParams& params) { |
| Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table(); | Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table(); |
| if(!maybe_src) | if(!maybe_src) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "source is not a table"); | "source is not a table"); |
| Table& src=*maybe_src; | Table& src=*maybe_src; |
| Line 834 static void _join(Request& r, MethodPara | Line 1012 static void _join(Request& r, MethodPara |
| Table& dest=GET_SELF(r, VTable).table(); | Table& dest=GET_SELF(r, VTable).table(); |
| if(&src == &dest) | if(&src == &dest) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "source and destination are same table"); | "source and destination are same table"); |
| Line 847 static void _join(Request& r, MethodPara | Line 1025 static void _join(Request& r, MethodPara |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| class Table_sql_event_handlers: public SQL_Driver_query_event_handlers { | class Table_sql_event_handlers: public SQL_Driver_query_event_handlers { |
| ArrayString& columns; | ArrayString& columns; |
| int columns_count; | |
| ArrayString* row; | ArrayString* row; |
| public: | public: |
| Table* table; | Table* table; |
| Line 867 public: | Line 1046 public: |
| bool before_rows(SQL_Error& error) { | bool before_rows(SQL_Error& error) { |
| try { | try { |
| table=new Table(&columns); | table=new Table(&columns); |
| columns_count=columns.count(); | |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows"); | error=SQL_Error("exception occured in Table_sql_event_handlers::before_rows"); |
| Line 875 public: | Line 1055 public: |
| } | } |
| bool add_row(SQL_Error& error) { | bool add_row(SQL_Error& error) { |
| try { | try { |
| *table+=row=new ArrayString; | *table+=row=new ArrayString(columns_count); |
| return false; | return false; |
| } catch(...) { | } catch(...) { |
| error=SQL_Error("exception occured in Table_sql_event_handlers::add_row"); | error=SQL_Error("exception occured in Table_sql_event_handlers::add_row"); |
| Line 916 int marshal_binds(HashStringValue& hash, | Line 1096 int marshal_binds(HashStringValue& hash, |
| int hash_count=hash.count(); | int hash_count=hash.count(); |
| placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count]; | placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count]; |
| SQL_Driver::Placeholder* ptr=placeholders; | SQL_Driver::Placeholder* ptr=placeholders; |
| hash.for_each(marshal_bind, &ptr); | hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr); |
| return hash_count; | return hash_count; |
| } | } |
| Line 961 static void _sql(Request& r, MethodParam | Line 1141 static void _sql(Request& r, MethodParam |
| offset=(ulong)r.process_to_value(*voffset).as_double(); | offset=(ulong)r.process_to_value(*voffset).as_double(); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "called with invalid option"); | "called with invalid option"); |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "options must be hash"); | "options must be hash"); |
| } | } |
| Line 1033 static void _columns(Request& r, MethodP | Line 1213 static void _columns(Request& r, MethodP |
| } | } |
| static void _select(Request& r, MethodParams& params) { | static void _select(Request& r, MethodParams& params) { |
| Value& vcondition=params.as_junction(0, "condition must be expression"); | Value& vcondition=params.as_expression(0, "condition must be number, bool or expression"); |
| Table& source_table=GET_SELF(r, VTable).table(); | Table& source_table=GET_SELF(r, VTable).table(); |
| Table& result_table=*new Table(source_table.columns()); | Table& result_table=*new Table(source_table.columns()); |
| Line 1072 MTable::MTable(): Methoded("table") { | Line 1252 MTable::MTable(): Methoded("table") { |
| // ^table.save[nameless;file] | // ^table.save[nameless;file] |
| add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3); | add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3); |
| // add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 1, 3); | |
| // ^table.count[] | // ^table.count[] |
| add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); | add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0); |