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| version 1.187, 2003/11/04 10:49:34 | version 1.219, 2005/11/28 12:50:18 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b table parser class. | Parser: @b table parser class. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_TABLE_C="$Date$"; | |
| static const char* IDENT_TABLE_C="$Date$"; | |
| #include "classes.h" | #include "classes.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 21 static const char* IDENT_TABLE_C="$Date$ | Line 20 static const char* IDENT_TABLE_C="$Date$ |
| class MTable: public Methoded { | class MTable: public Methoded { |
| public: // VStateless_class | public: // VStateless_class |
| Value* create_new_value() { return new VTable(); } | Value* create_new_value(Pool&, HashStringValue&) { return new VTable(); } |
| public: | public: |
| MTable(); | MTable(); |
| Line 36 DECLARE_CLASS_VAR(table, new MTable, 0); | Line 35 DECLARE_CLASS_VAR(table, new MTable, 0); |
| // defines for globals | // defines for globals |
| #define SQL_LIMIT_NAME "limit" | #define SQL_BIND_NAME "bind" |
| #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 TABLE_REVERSE_NAME "reverse" | #define TABLE_REVERSE_NAME "reverse" |
| // globals | // globals |
| String sql_limit_name(SQL_LIMIT_NAME); | String sql_bind_name(SQL_BIND_NAME); |
| String sql_offset_name(SQL_OFFSET_NAME); | String sql_limit_name(PA_SQL_LIMIT_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 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 71 static Table::Action_options get_action_ | Line 64 static Table::Action_options get_action_ |
| ] | ] |
| but there is ^table.locate[name;value] | but there is ^table.locate[name;value] |
| ...if(voptions.is_defined() && !voptions.is_string())) | |
| if(maybe_options.is_string()) { // allow empty options | if(maybe_options.is_string()) { // allow empty options |
| result.defined=true; | result.defined=true; |
| return result; | return result; |
| Line 144 static void _create(Request& r, MethodPa | Line 138 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) { |
| const String& snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'"); | |
| if(snameless!="nameless") | |
| throw Exception("parser.runtime", | |
| &snameless, | |
| "table::create called with two params, first param may only be 'nameless'"); | |
| columns=Table::columns_type(0); // nameless | columns=Table::columns_type(0); // nameless |
| } else { | } else { |
| columns=Table::columns_type(new ArrayString); | columns=Table::columns_type(new ArrayString); |
| Line 178 static void _create(Request& r, MethodPa | Line 177 static void _create(Request& r, MethodPa |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| static char* remove_encloser(char* cstr, char encloser) { | |
| if(cstr[0]!=encloser) | |
| return cstr; | |
| size_t length=strlen(cstr); | |
| if(length<2 || cstr[length-1]!=encloser) | |
| return cstr; | |
| // 'string' | |
| cstr[length-1]=0; | |
| cstr++; | |
| // double-encloser stands for encloser | |
| char *read; | |
| char *write; | |
| write=read=cstr; | |
| while(char c=*read++) { | |
| if(c==encloser && *read==encloser) | |
| read++; | |
| *write++=c; | |
| } | |
| *write=0; // terminate | |
| return cstr; | |
| } | |
| struct lsplit_result { | struct lsplit_result { |
| char* piece; | char* piece; |
| char delim; | char delim; |
| Line 249 static lsplit_result lsplit(char** strin | Line 220 static lsplit_result lsplit(char** strin |
| char *write; | char *write; |
| write=read=string; | write=read=string; |
| char c; | char c; |
| while(c=*read++) { | while((c=*read++)) { |
| if(c==encloser) { | if(c==encloser) { |
| char n=*read; | char n=*read; |
| if(n==encloser) // double-encloser stands for encloser | if(n==encloser) // double-encloser stands for encloser |
| Line 279 static void skip_empty_and_comment_lines | Line 250 static void skip_empty_and_comment_lines |
| while( char c=*data ) { | while( char c=*data ) { |
| if( c== '\n' || c == '#' ) { | if( c== '\n' || c == '#' ) { |
| /*nowhere=*/getrow(&data); // remove empty&comment lines | /*nowhere=*/getrow(&data); // remove empty&comment lines |
| *data_ref=data; | if(!(*data_ref=data)) |
| break; | |
| continue; | continue; |
| } | } |
| break; | break; |
| Line 288 static void skip_empty_and_comment_lines | Line 260 static void skip_empty_and_comment_lines |
| } | } |
| struct TableSeparators { | struct TableSeparators { |
| char column; | char column; const String* scolumn; |
| char encloser; | char encloser; const String* sencloser; |
| TableSeparators() { | TableSeparators(): |
| column='\t'; | column('\t'), scolumn(new String("\t", false)), |
| encloser=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)) { |
| const String& sseparator=vseparator->as_string(); | scolumn=&vseparator->as_string(); |
| if(sseparator.length()!=1) | if(scolumn->length()!=1) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &sseparator, | scolumn, |
| "separator must be one character long"); | "separator must be one character long"); |
| column=sseparator.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(); |
| const 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 357 static void _load(Request& r, MethodPara | Line 331 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.delim && !row->count()) // append last empty column [if without \n] | if(!*sr.piece && !sr.delim && !row->count()) // append last empty column [if without \n] |
| break; | break; |
| *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 379 static void _load(Request& r, MethodPara | Line 354 static void _load(Request& r, MethodPara |
| GET_SELF(r, VTable).set_table(table); | GET_SELF(r, VTable).set_table(table); |
| } | } |
| /// @todo "x\nx" "xxx""xx" | static void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) { |
| if(encloser) { | |
| to<<*sencloser; | |
| // 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+1) { | |
| to<<from.mid(pos_before+1/*+found encloser*/, pos_after-pos_before); | |
| to<<*sencloser; to<<*sencloser; // doubling encloser | |
| } | |
| // last piece | |
| size_t from_length=from.length(); | |
| if(pos_after<from_length) | |
| to<<from.mid(pos_after, from_length); | |
| to<<*sencloser; | |
| } else | |
| to<<from; | |
| } | |
| static void _save(Request& r, MethodParams& params) { | static void _save(Request& r, MethodParams& params) { |
| Value& vfile_name=params.as_no_junction(params.count()-1, "file name must not be code"); | 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()) { | |
| if(HashStringValue *options=params.as_no_junction(param_index++, "additional params must be hash").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(); | Table& table=GET_SELF(r, VTable).table(); |
| bool do_append=false; | |
| String sdata; | String sdata; |
| if(params.count()==1) { // named output | if(output_column_names) { |
| // write out names line | |
| if(table.columns()) { // named table | if(table.columns()) { // named table |
| for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { | for(Array_iterator<const String*> i(*table.columns()); i.has_next(); ) { |
| sdata.append(*i.next(), String::L_TABLE); | maybe_enclose( sdata, *i.next(), separators.encloser, separators.sencloser ); |
| if(i.has_next()) | if(i.has_next()) |
| sdata.append_know_length("\t", 1, String::L_CLEAN); | sdata<<*separators.scolumn; |
| } | } |
| } else { // nameless table | } else { // nameless table [we were asked to output column names] |
| if(int lsize=table.count()?table[0]->count():0) | if(int lsize=table.count()?table[0]->count():0) |
| for(int column=0; column<lsize; column++) { | for(int column=0; column<lsize; column++) { |
| char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER]; | char *cindex_tab=new(PointerFreeGC) char[MAX_NUMBER]; |
| sdata.append_know_length(cindex_tab, | sdata.append_know_length(cindex_tab, |
| snprintf(cindex_tab, MAX_NUMBER, | snprintf(cindex_tab, MAX_NUMBER, |
| column<lsize-1?"%d\t":"%d", column), | column<lsize-1?"%d%c":"%d", column, separators.column), |
| String::L_CLEAN); | String::L_CLEAN); |
| } | } |
| else | else |
| sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); | sdata.append_help_length("empty nameless table", 0, String::L_CLEAN); |
| } | } |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } else { // mode specified | |
| const String& mode=params.as_string(0, "mode must be string"); | |
| if(mode=="append") | |
| do_append=true; | |
| else if(mode=="nameless") | |
| /*ok, already skipped names output*/; | |
| else | |
| throw Exception("parser.runtime", | |
| &mode, | |
| "unknown mode, must be 'append'"); | |
| } | } |
| // data lines | // data lines |
| Array_iterator<ArrayString*> i(table); | Array_iterator<ArrayString*> i(table); |
| while(i.has_next()) { | while(i.has_next()) { |
| for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { | for(Array_iterator<const String*> c(*i.next()); c.has_next(); ) { |
| sdata.append(*c.next(), String::L_TABLE); | maybe_enclose( sdata, *c.next(), separators.encloser, separators.sencloser ); |
| if(c.has_next()) | if(c.has_next()) |
| sdata.append_know_length("\t", 1, String::L_CLEAN); | sdata<<*separators.scolumn; |
| } | } |
| sdata.append_know_length("\n", 1, String::L_CLEAN); | sdata.append_know_length("\n", 1, String::L_CLEAN); |
| } | } |
| // write | // write |
| file_write(r.absolute(vfile_name.as_string()), | { |
| 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 _count(Request& r, MethodParams&) { | static void _count(Request& r, MethodParams&) { |
| Line 462 static void _offset(Request& r, MethodPa | Line 482 static void _offset(Request& r, MethodPa |
| "is invalid whence, valid are 'cur' or 'set'"); | "is invalid whence, valid are 'cur' or 'set'"); |
| } | } |
| Value& offset_expr=params.as_junction(params.count()-1, "offset must be expression"); | int offset=params.as_int(params.count()-1, "offset must be expression", r); |
| table.offset(absolute, r.process_to_value(offset_expr).as_int()); | table.offset(absolute, offset); |
| } else | } else |
| r.write_no_lang(*new VInt(table.current())); | r.write_no_lang(*new VInt(table.current())); |
| } | } |
| Line 616 static void _hash(Request& r, MethodPara | Line 636 static void _hash(Request& r, MethodPara |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| 0, | 0, |
| "value field(s) must be string or self_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(!(distinct!=D_ILLEGAL && distinct!=D_FIRST)) |
| Line 626 static void _hash(Request& r, MethodPara | Line 646 static void _hash(Request& r, MethodPara |
| { | { |
| Row_info info={0}; | |
| info.r=&r; | |
| info.table=&self_table; | |
| Value* key_param=¶ms[0]; | Value* key_param=¶ms[0]; |
| info.key_code=key_param->get_junction()?key_param:0; | Row_info info={ |
| info.key_field=info.key_code?-1 | &r, |
| :self_table.column_name2index(key_param->as_string(), true); | &self_table, |
| info.value_fields=&value_fields; | /*key_code=*/key_param->get_junction()?key_param:0, |
| info.hash=&result.hash(); | /*key_field=*/0/*filled below*/, |
| info.distinct=distinct; | &value_fields, |
| info.row=0; | &result.hash(), |
| distinct, | |
| /*row=*/0 | |
| }; | |
| info.key_field=(info.key_code?-1 | |
| :self_table.column_name2index(key_param->as_string(), true)); | |
| int saved_current=self_table.current(); | int saved_current=self_table.current(); |
| self_table.for_each(table_row_to_hash, &info); | self_table.for_each(table_row_to_hash, &info); |
| self_table.set_current(saved_current); | self_table.set_current(saved_current); |
| result.extract_default(); | |
| } | } |
| } | } |
| r.write_no_lang(result); | r.write_no_lang(result); |
| Line 720 struct Expression_is_true_info { | Line 744 struct Expression_is_true_info { |
| Value* expression_code; | Value* expression_code; |
| }; | }; |
| #endif | #endif |
| static bool expression_is_true(Table& self, void* ainfo) { | static bool expression_is_true(Table&, Expression_is_true_info* info) { |
| Expression_is_true_info& info=*static_cast<Expression_is_true_info*>(ainfo); | return info->r->process_to_value(*info->expression_code).as_bool(); |
| return info.r->process_to_value(*info.expression_code).as_bool(); | |
| } | } |
| static bool _locate_expression(Table& table, Table::Action_options o, | static bool _locate_expression(Table& table, Table::Action_options o, |
| Request& r, MethodParams& params) { | Request& r, MethodParams& params) { |
| Line 734 static bool _locate_expression(Table& ta | Line 757 static bool _locate_expression(Table& ta |
| return table.table_first_that(expression_is_true, &info, o); | return table.table_first_that(expression_is_true, &info, o); |
| } | } |
| static bool _locate_name_value(Table& table, Table::Action_options o, | static bool _locate_name_value(Table& table, Table::Action_options o, |
| Request& r, MethodParams& params) { | Request&, MethodParams& params) { |
| check_option_param(o.defined, params, 2, | check_option_param(o.defined, params, 2, |
| "locate by locate by name has parameters: name, value and, maybe, options"); | "locate by locate by name has parameters: name, value and, maybe, options"); |
| const String& name=params.as_string(0, "column name must be string"); | const String& name=params.as_string(0, "column name must be string"); |
| Line 753 static void _locate(Request& r, MethodPa | Line 776 static void _locate(Request& r, MethodPa |
| } | } |
| static void _flip(Request& r, MethodParams& params) { | static void _flip(Request& r, MethodParams&) { |
| Table& old_table=GET_SELF(r, VTable).table(); | Table& old_table=GET_SELF(r, VTable).table(); |
| Table& new_table=*new Table(0); | Table& new_table=*new Table(0); |
| if(size_t old_count=old_table.count()) | if(size_t old_count=old_table.count()) |
| Line 814 static void _join(Request& r, MethodPara | Line 837 static void _join(Request& r, MethodPara |
| 0, | 0, |
| "source and destination are same table"); | "source and destination are same table"); |
| if(Table::columns_type dest_columns=dest.columns()) // dest is named | if(dest.columns()) // dest is named |
| src.table_for_each(join_named_row, &dest, o); | src.table_for_each(join_named_row, &dest, o); |
| else // dest is nameless | else // dest is nameless |
| src.table_for_each(join_nameless_row, &dest, o); | src.table_for_each(join_nameless_row, &dest, o); |
| Line 823 static void _join(Request& r, MethodPara | Line 846 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 843 public: | Line 867 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 851 public: | Line 876 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 872 public: | Line 897 public: |
| } | } |
| }; | }; |
| #endif | #endif |
| static void marshal_bind( | |
| HashStringValue::key_type aname, | |
| HashStringValue::value_type avalue, | |
| SQL_Driver::Placeholder** pptr) | |
| { | |
| SQL_Driver::Placeholder& ph=**pptr; | |
| ph.name=aname.cstr(); | |
| ph.value=avalue->as_string().cstr(String::L_UNSPECIFIED); | |
| ph.is_null=avalue->get_class()==void_class; | |
| ph.were_updated=false; | |
| (*pptr)++; | |
| } | |
| // not static, used elsewhere | |
| int marshal_binds(HashStringValue& hash, SQL_Driver::Placeholder*& placeholders) { | |
| int hash_count=hash.count(); | |
| placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count]; | |
| SQL_Driver::Placeholder* ptr=placeholders; | |
| hash.for_each(marshal_bind, &ptr); | |
| return hash_count; | |
| } | |
| // not static, used elsewhere | |
| void unmarshal_bind_updates(HashStringValue& hash, int placeholder_count, SQL_Driver::Placeholder* placeholders) { | |
| SQL_Driver::Placeholder* ph=placeholders; | |
| for(int i=0; i<placeholder_count; i++, ph++) | |
| if(ph->were_updated) { | |
| Value* value; | |
| if(ph->is_null) | |
| value=new VVoid(); | |
| else | |
| if(ph->value) | |
| value=new VString(*new String(ph->value, 0, true/*tainted*/)); | |
| else | |
| value=new VString(*new String()); | |
| hash.put(ph->name, value); | |
| } | |
| } | |
| static void _sql(Request& r, MethodParams& params) { | static void _sql(Request& r, MethodParams& params) { |
| Value& statement=params.as_junction(0, "statement must be code"); | Value& statement=params.as_junction(0, "statement must be code"); |
| HashStringValue* bind=0; | |
| ulong limit=0; | ulong limit=0; |
| ulong offset=0; | ulong offset=0; |
| if(params.count()>1) { | if(params.count()>1) { |
| Value& voptions=params.as_no_junction(1, "options must be hash, not code"); | Value& voptions=params.as_no_junction(1, "options must be hash, not code"); |
| if(!voptions.is_string()) | if(voptions.is_defined() && !voptions.is_string()) |
| if(HashStringValue* options=voptions.get_hash()) { | if(HashStringValue* options=voptions.get_hash()) { |
| int valid_options=0; | int valid_options=0; |
| if(Value* vbind=options->get(sql_bind_name)) { | |
| valid_options++; | |
| bind=vbind->get_hash(); | |
| } | |
| if(Value* vlimit=options->get(sql_limit_name)) { | if(Value* vlimit=options->get(sql_limit_name)) { |
| valid_options++; | valid_options++; |
| limit=(ulong)r.process_to_value(*vlimit).as_double(); | limit=(ulong)r.process_to_value(*vlimit).as_double(); |
| Line 900 static void _sql(Request& r, MethodParam | Line 971 static void _sql(Request& r, MethodParam |
| "options must be hash"); | "options must be hash"); |
| } | } |
| SQL_Driver::Placeholder* placeholders=0; | |
| uint placeholders_count=0; | |
| if(bind) | |
| placeholders_count=marshal_binds(*bind, placeholders); | |
| Temp_lang temp_lang(r, String::L_SQL); | Temp_lang temp_lang(r, String::L_SQL); |
| const String& statement_string=r.process_to_string(statement); | const String& statement_string=r.process_to_string(statement); |
| const char* statement_cstr= | const char* statement_cstr= |
| Line 911 static void _sql(Request& r, MethodParam | Line 987 static void _sql(Request& r, MethodParam |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| r.connection()->query( | r.connection()->query( |
| statement_cstr, offset, limit, | statement_cstr, |
| placeholders_count, placeholders, | |
| offset, limit, | |
| handlers, | handlers, |
| statement_string); | statement_string); |
| Line 926 static void _sql(Request& r, MethodParam | Line 1004 static void _sql(Request& r, MethodParam |
| r.sql_request_time+=t[1]-t[0]; | r.sql_request_time+=t[1]-t[0]; |
| #endif | #endif |
| if(bind) | |
| unmarshal_bind_updates(*bind, placeholders_count, placeholders); | |
| Table& result= | Table& result= |
| handlers.table?*handlers.table: // query resulted in table? return it | handlers.table?*handlers.table: // query resulted in table? return it |
| *new Table(Table::columns_type(0)); // query returned no table, fake it | *new Table(Table::columns_type(0)); // query returned no table, fake it |
| Line 964 static void _select(Request& r, MethodPa | Line 1045 static void _select(Request& r, MethodPa |
| source_table.set_current(row); | source_table.set_current(row); |
| bool condition=r.process_to_value(vcondition, | bool condition=r.process_to_value(vcondition, |
| /*0/*no name* /,*/ | |
| false/*don't intercept string*/).as_bool(); | false/*don't intercept string*/).as_bool(); |
| if(condition) // ...condition is true= | if(condition) // ...condition is true= |
| Line 991 MTable::MTable(): Methoded("table") { | Line 1071 MTable::MTable(): Methoded("table") { |
| // ^table.save[file] | // ^table.save[file] |
| // ^table.save[nameless;file] | // ^table.save[nameless;file] |
| add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); | add_native_method("save", Method::CT_DYNAMIC, _save, 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); |