parser3/src/classes/table.C - diff

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Diff for /parser3/src/classes/table.C between versions 1.172.2.14 and 1.172.2.14.2.12

version 1.172.2.14, 2003/03/08 12:22:06	version 1.172.2.14.2.12, 2003/03/24 11:05:27
Line 21 static const char* IDENT_TABLE_C="$Date$	Line 21 static const char* IDENT_TABLE_C="$Date$

class MTable: public Methoded {	class MTable: public Methoded {
public: // VStateless_class	public: // VStateless_class
ValuePtr create_new_value() { return ValuePtr(new VTable()); }	Value* create_new_value() { return new VTable(); }

public:	public:
MTable();	MTable();
Line 43 DECLARE_CLASS_VAR(table, new MTable, 0);	Line 43 DECLARE_CLASS_VAR(table, new MTable, 0);

// globals	// globals

StringPtr sql_limit_name(new String(SQL_LIMIT_NAME));	const String sql_limit_name(SQL_LIMIT_NAME);
StringPtr sql_offset_name(new String(SQL_OFFSET_NAME));	const String sql_offset_name(SQL_OFFSET_NAME);
StringPtr sql_default_name(new String(SQL_DEFAULT_NAME));	const String sql_default_name(SQL_DEFAULT_NAME);
StringPtr sql_distinct_name(new String(SQL_DISTINCT_NAME));	const String sql_distinct_name(SQL_DISTINCT_NAME);

// methods	// methods

static void get_copy_options(Request& r, StringPtr method_name, MethodParams* params, int param_index,	static void get_copy_options(Request& r, MethodParams* params, int param_index,
const Table& source,	const Table& source,
int& offset,	int& offset,
int& limit) {	int& limit) {
Pool& pool=r.pool();

offset=0;	offset=0;
limit=0;	limit=0;
if(params->count()<=param_index)	if(params->count()<=param_index)
return;	return;

ValuePtr voptions=params->as_no_junction(param_index, "options must be hash, not code");	Value* voptions=params->as_no_junction(param_index, "options must be hash, not code");
if(!voptions->is_string()) {	if(!voptions->is_string()) {
if(HashStringValue* options=voptions->get_hash(method_name)) {	if(HashStringValue* options=voptions->get_hash()) {
int valid_options=0;	int valid_options=0;
if(ValuePtr voffset=options->get(sql_offset_name)) {	if(Value* voffset=options->get(sql_offset_name)) {
valid_options++;	valid_options++;
if(voffset->is_string()) {	if(voffset->is_string()) {
StringPtr soffset=voffset->get_string(&pool);	const String& soffset=voffset->get_string();
if(*soffset == "cur")	if(*soffset == "cur")
offset=source.current();	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
offset=r.process_to_value(voffset)->as_int();	offset=r.process_to_value(*voffset).as_int();
}	}
if(ValuePtr vlimit=options->get(sql_limit_name)) {	if(Value* vlimit=options->get(sql_limit_name)) {
valid_options++;	valid_options++;
limit=r.process_to_value(vlimit)->as_int();	limit=r.process_to_value(vlimit).as_int();
if(!limit) // zero limit = should be 'nothing to copy', for methods zero means 'all'	if(!limit) // zero limit = should be 'nothing to copy', for methods zero means 'all'
limit=-1; // thus fixing	limit=-1; // thus fixing
}	}
if(valid_options!=options->count())	if(valid_options!=options->count())
throw Exception("parser.runtime",	throw Exception("parser.runtime",
method_name,	0,
"called with invalid option");	"called with invalid option");
} else	} else
throw Exception("parser.runtime",	throw Exception("parser.runtime",
method_name,	0,
"options must be hash");	"options must be hash");
}	}
}	}

static void _create(Request& r, StringPtr method_name, MethodParams* params) {	static void _create(Request& r, MethodParams* params) {
Pool& pool=r.pool();
// clone/copy part?	// clone/copy part?
if(const Table source=(params)[0]->get_table()) {	if(const Table source=(params)[0]->get_table()) {
int offset, limit;	int offset, limit;
get_copy_options(r, method_name, params, 1, *source,	get_copy_options(r, method_name, params, 1, *source,
offset, limit);	offset, limit);
GET_SELF(r, VTable).set_table(TablePtr(new Table(*source, offset, limit)));	GET_SELF(r, VTable).set_table(Table(new Table(source, offset, limit)));
return;	return;
}	}

// data is last parameter	// data is last parameter
Temp_lang temp_lang(r, String::UL_PASS_APPENDED);	Temp_lang temp_lang(r, String::L_PASS_APPENDED);
StringPtr data=	const String& data=
r.process_to_string(params->as_junction(params->count()-1, "body must be code"));	r.process_to_string(params->as_junction(params->count()-1, "body must be code"));

size_t pos_after=0;	size_t pos_after=0;
Line 120 static void _create(Request& r, StringPt	Line 118 static void _create(Request& r, StringPt
columns=Table::columns_type(new ArrayString);	columns=Table::columns_type(new ArrayString);

ArrayString head;	ArrayString head;
data->split(head, &pos_after, "\n", 1, String::UL_AS_IS, 1);	data->split(head, &pos_after, "\n", 1, String::L_AS_IS, 1);
if(head.count())	if(head.count())
head[0]->split(*columns, 0, "\t", 1, String::UL_AS_IS);	head[0]->split(*columns, 0, "\t", 1, String::L_AS_IS);
}	}

TablePtr table(new Table(method_name, columns));	Table* table(new Table(method_name, columns));
// parse cells	// parse cells

ArrayString rows;	ArrayString rows;
data->split(rows, &pos_after, "\n", 1, String::UL_AS_IS);	data->split(rows, &pos_after, "\n", 1, String::L_AS_IS);
Array_iterator<StringPtr> i(rows);	Array_iterator<String*> i(rows);
while(i.has_next()) {	while(i.has_next()) {
Table::element_type row(new ArrayString);	Table::element_type row(new ArrayString);
StringPtr string=i.next();	const String& string=i.next();
// remove comment lines	// remove comment lines
if(!string->size())	if(!string->length())
continue;	continue;

string->split(*row, 0, "\t", 1, String::UL_AS_IS);	string->split(*row, 0, "\t", 1, String::L_AS_IS);
*table+=row;	*table+=row;
}	}

Line 146 static void _create(Request& r, StringPt	Line 144 static void _create(Request& r, StringPt
GET_SELF(r, VTable).set_table(table);	GET_SELF(r, VTable).set_table(table);
}	}

static void _load(Request& r, StringPtr method_name, MethodParams* params) {	static void _load(Request& r, MethodParams* params) {
Pool& pool=r.pool();	const String& first_param=params->as_string(0, "file name must be string");
StringPtr first_param=params->as_string(0, "file name must be string");
int filename_param_index=0;	int filename_param_index=0;
bool nameless=*first_param=="nameless";	bool nameless=*first_param=="nameless";
if(nameless)	if(nameless)
Line 156 static void _load(Request& r, StringPtr	Line 153 static void _load(Request& r, StringPtr
int options_param_index=filename_param_index+1;	int options_param_index=filename_param_index+1;

// loading text	// loading text
char *data=file_read_text(pool, r.charsets.source(),	char *data=file_read_text(r.charsets.source(),
r.absolute(params->as_string(filename_param_index, "file name must be string")),	r.absolute(params->as_string(filename_param_index, "file name must be string")),
true,	true,
options_param_index<params->count()?params->as_no_junction(options_param_index, "additional params must be hash")->get_hash(method_name):0	options_param_index<params->count()?params->as_no_junction(options_param_index, "additional params must be hash")->get_hash():0
);	);

// parse columns	// parse columns
Line 179 static void _load(Request& r, StringPtr	Line 176 static void _load(Request& r, StringPtr
if(!row_chars \|\| row_chars == '#')	if(!row_chars \|\| row_chars == '#')
continue;	continue;
do {	do {
StringPtr name(new String);	*columns+=new String(lsplit(&row_chars, '\t'), 0, String::L_TAINTED);
name->APPEND_TAINTED(lsplit(&row_chars, '\t'), 0, file, line++);
*columns+=name;
} while(row_chars);	} while(row_chars);

break;	break;
Line 189 static void _load(Request& r, StringPtr	Line 184 static void _load(Request& r, StringPtr
}	}

// parse cells	// parse cells
TablePtr table(new Table(method_name, columns));	Table& table=*new Table(columns);
char *row_chars;	char *row_chars;
while(row_chars=getrow(&data)) {	while(row_chars=getrow(&data)) {
// remove empty&comment lines	// remove empty&comment lines
Line 197 static void _load(Request& r, StringPtr	Line 192 static void _load(Request& r, StringPtr
continue;	continue;
Table::element_type row(new ArrayString);	Table::element_type row(new ArrayString);
while(char *cell_chars=lsplit(&row_chars, '\t')) {	while(char *cell_chars=lsplit(&row_chars, '\t')) {
StringPtr cell(new String);	*row+=new String(cell_chars, 0, true);
cell->APPEND_TAINTED(cell_chars, 0, file, line);
*row+=cell;
}	}
#ifndef NO_STRING_ORIGIN	#ifndef NO_STRING_ORIGIN
line++;	line++;
#endif	#endif
*table+=row;	table+=row;
};	};

// replace any previous table value	// replace any previous table value
Line 212 static void _load(Request& r, StringPtr	Line 205 static void _load(Request& r, StringPtr
}	}

/// @todo "x\nx" "xxx""xx"	/// @todo "x\nx" "xxx""xx"
static void _save(Request& r, StringPtr method_name, MethodParams* params) {	static void _save(Request& r, MethodParams* params) {
Pool& pool=r.pool();	Value& vfile_name=params->as_no_junction(params->count()-1, "file name must not be code");
ValuePtr vfile_name=params->as_no_junction(params->count()-1,
"file name must not be code");

Table& table=GET_SELF(r, VTable).table(method_name);	Table& table=GET_SELF(r, VTable).table();

bool do_append=false;	bool do_append=false;
String sdata;	String sdata;
if(params->count()==1) { // named output	if(params->count()==1) { // named output
// write out names line	// write out names line
if(table.columns()) { // named table	if(table.columns()) { // named table
Array_iterator<StringPtr> i(*table.columns());	Array_iterator<String> i(table.columns());
while(i.has_next()) {	while(i.has_next()) {
sdata.append(*i.next(), String::UL_TABLE);	sdata.append(*i.next(), String::L_TABLE);
if(i.has_next())	if(i.has_next())
sdata.APPEND_CONST("\t");	sdata.APPEND_CONST("\t");
}	}
} else { // nameless table	} else { // nameless table
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(pool) char[MAX_NUMBER];	char *cindex_tab=new char[MAX_NUMBER];
snprintf(cindex_tab, MAX_NUMBER, "%d\t", column);	sdata.append(cindex_tab,
sdata.APPEND_CONST(cindex_tab);	snprintf(cindex_tab, MAX_NUMBER, "%d\t", column),
	String::L_CLEAN);
}	}
else	else
sdata.APPEND_CONST("empty nameless table");	sdata.APPEND_CONST("empty nameless table");
}	}
sdata.APPEND_CONST("\n");	sdata.APPEND_CONST("\n");
} else { // mode specified	} else { // mode specified
StringPtr mode=params->as_string(0, "mode must be string");	const String& mode=params->as_string(0, "mode must be string");
if(*mode=="append")	if(*mode=="append")
do_append=true;	do_append=true;
else if(*mode=="nameless")	else if(*mode=="nameless")
Line 254 static void _save(Request& r, StringPtr	Line 246 static void _save(Request& r, StringPtr

}	}
// data lines	// data lines
Array_iterator<ArrayStringPtr> i(table);	Array_iterator<ArrayString*> i(table);
while(i.has_next()) {	while(i.has_next()) {
Array_iterator<StringPtr> c(*i.next());	Array_iterator<String> c(i.next());
while(c.has_next()) {	while(c.has_next()) {
if(StringPtr s=c.next())	if(const String* s=c.next())
sdata.append(*s, String::UL_TABLE);	sdata.append(*s, String::L_TABLE);
if(c.has_next())	if(c.has_next())
sdata.APPEND_CONST("\t");	sdata.append("\t", 1, String::L_CLEAN);
}	}
sdata.APPEND_CONST("\n");	sdata.append("\n", 1, String::L_CLEAN);
}	}

// write	// write
file_write(r.absolute(vfile_name->as_string(&pool)),	file_write(r.absolute(vfile_name.as_string()),
sdata.cstr(), sdata.size(), true, do_append);	sdata.cstr(), sdata.length(), true, do_append);
}	}

static void _count(Request& r, StringPtr method_name, MethodParams* ) {	static void _count(Request& r, MethodParams* ) {
int result=GET_SELF(r, VTable).table(method_name).count();	int result=GET_SELF(r, VTable).table().count();
r.write_no_lang(ValuePtr(new VInt(result)));	r.write_no_lang(Value*(new VInt(result)));
}	}

static void _line(Request& r, StringPtr method_name, MethodParams* ) {	static void _line(Request& r, MethodParams* ) {
int result=1+GET_SELF(r, VTable).table(method_name).current();	int result=1+GET_SELF(r, VTable).table().current();
r.write_no_lang(ValuePtr(new VInt(result)));	r.write_no_lang(Value*(new VInt(result)));
}	}

static void _offset(Request& r, StringPtr method_name, MethodParams* params) {	static void _offset(Request& r, MethodParams* params) {
Pool& pool=r.pool();	Table& table=GET_SELF(r, VTable).table();
Table& table=GET_SELF(r, VTable).table(method_name);
if(params->count()) {	if(params->count()) {
bool absolute=false;	bool absolute=false;
if(params->count()>1) {	if(params->count()>1) {
StringPtr whence=params->as_string(0, "whence must be string");	const String& whence=params->as_string(0, "whence must be string");
if(*whence=="cur")	if(*whence=="cur")
absolute=false;	absolute=false;
else if(*whence=="set")	else if(*whence=="set")
Line 298 static void _offset(Request& r, StringPt	Line 289 static void _offset(Request& r, StringPt
"is invalid whence, valid are 'cur' or 'set'");	"is invalid whence, valid are 'cur' or 'set'");
}	}

ValuePtr offset_expr=params->as_junction(params->count()-1, "offset must be expression");	Value& offset_expr=params->as_junction(params->count()-1, "offset must be expression");
table.offset(absolute, r.process_to_value(offset_expr)->as_int());	table.offset(absolute, r.process_to_value(offset_expr).as_int());
} else	} else
r.write_no_lang(ValuePtr(new VInt(table.current())));	r.write_no_lang(*new VInt(table.current()));
}	}

static void _menu(Request& r, StringPtr method_name, MethodParams* params) {	static void _menu(Request& r, MethodParams* params) {
ValuePtr body_code=params->as_junction(0, "body must be code");	Value* body_code=params->as_junction(0, "body must be code");

ValuePtr delim_maybe_code=params->count()>1?(*params)[1]:ValuePtr(0);	Value* delim_maybe_code=params->count()>1?(*params)[1]:0;

Table& table=GET_SELF(r, VTable).table(method_name);	Table& table=GET_SELF(r, VTable).table();
bool need_delim=false;	bool need_delim=false;
int saved_current=table.current();	int saved_current=table.current();
int size=table.count();	int size=table.count();
Line 317 static void _menu(Request& r, StringPtr	Line 308 static void _menu(Request& r, StringPtr
table.set_current(row);	table.set_current(row);

StringOrValue sv_processed=r.process(body_code);	StringOrValue sv_processed=r.process(body_code);
StringPtr s_processed=sv_processed.get_string();	const String& s_processed=sv_processed.get_string();
if(delim_maybe_code && s_processed && s_processed->size()) { // 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?
r.write_pass_lang(r.process(delim_maybe_code));	r.write_pass_lang(r.process(delim_maybe_code));
need_delim=true;	need_delim=true;
Line 332 static void _menu(Request& r, StringPtr	Line 323 static void _menu(Request& r, StringPtr
struct Row_info {	struct Row_info {
Request *r;	Request *r;
Table *table;	Table *table;
ValuePtr key_code;	Value* key_code;
int key_field;	int key_field;
Array<int>* value_fields;	Array<int>* value_fields;
HashStringValue* hash;	HashStringValue* hash;
Line 341 struct Row_info {	Line 332 struct Row_info {
};	};
#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) {
Pool& pool=info->r->pool();	const String& key;

StringPtr key;
if(info->key_code) {	if(info->key_code) {
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(&pool);	key=sv_processed.as_string();
} else	} else
key=info->key_field<row->count()?row->get(info->key_field):StringPtr(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]

VHashPtr vhash(new VHash);	VHash* vhash=new VHash;
HashStringValue& hash=vhash->hash();	HashStringValue& hash=vhash->hash();
for(int i=0; i<info->value_fields->count(); i++) {	for(int i=0; i<info->value_fields->count(); i++) {
int value_field=info->value_fields->get(i);	int value_field=info->value_fields->get(i);
if(value_field<row->count())	if(value_field<row->count())
hash.put(	hash.put(
info->table->columns()->get(value_field),	info->table->columns()->get(value_field),
ValuePtr(new VString(row->get(value_field))));	new VString(row->get(value_field)));
}	}

if(info->hash->put_dont_replace(key, vhash)) // put. existed?	if(info->hash->put_dont_replace(key, vhash)) // put. existed?
if(!info->distinct)	if(!info->distinct)
throw Exception("parser.runtime",	throw Exception("parser.runtime",
key,	&key,
"duplicate key");	"duplicate key");
}	}
static void _hash(Request& r, StringPtr method_name, MethodParams* params) {	static void _hash(Request& r, MethodParams* params) {
Pool& pool=r.pool();	Table& self_table=GET_SELF(r, VTable).table();
Table& self_table=GET_SELF(r, VTable).table(method_name);	VHash* result(new VHash);
VHashPtr result(new VHash);
if(Table::columns_type columns=self_table.columns())	if(Table::columns_type columns=self_table.columns())
if(columns->count()>0) {	if(columns->count()>0) {
bool distinct=false;	bool distinct=false;
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(method_name)) {	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(ValuePtr vdistinct=options->get(sql_distinct_name)) {	if(Value* vdistinct=options->get(sql_distinct_name)) {
valid_options++;	valid_options++;
distinct=r.process_to_value(vdistinct)->as_bool();	distinct=r.process_to_value(vdistinct)->as_bool();
}	}
Line 400 static void _hash(Request& r, StringPtr	Line 388 static void _hash(Request& r, StringPtr

Array<int> value_fields;	Array<int> value_fields;
if(param_index>0) {	if(param_index>0) {
ValuePtr 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");
if(value_fields_param->is_string()) {	if(value_fields_param->is_string()) {
value_fields+=self_table.column_name2index(	value_fields+=self_table.column_name2index(
value_fields_param->as_string(&pool), true);	value_fields_param->as_string(), true);
} else if(Table* value_fields_table=value_fields_param->get_table()) {	} else if(Table* value_fields_table=value_fields_param->get_table()) {
for(int i=0; i<value_fields_table->count(); i++) {	for(int i=0; i<value_fields_table->count(); i++) {
StringPtr value_field_name=	const String& value_field_name=
value_fields_table->get(i)->get(0);	value_fields_table->get(i)->get(0);
value_fields+=self_table.column_name2index(value_field_name, true);	value_fields+=self_table.column_name2index(value_field_name, true);
}	}
Line 425 static void _hash(Request& r, StringPtr	Line 413 static void _hash(Request& r, StringPtr
Row_info info;	Row_info info;
info.r=&r;	info.r=&r;
info.table=&self_table;	info.table=&self_table;
ValuePtr key_param=(*params)[0];	Value* key_param=(*params)[0];
info.key_code=key_param->get_junction()?key_param:ValuePtr(0);	info.key_code=key_param->get_junction()?key_param:0;
info.key_field=info.key_code?-1	info.key_field=info.key_code?-1
:self_table.column_name2index(key_param->as_string(&pool), true);	:self_table.column_name2index(key_param->as_string(), true);
info.value_fields=&value_fields;	info.value_fields=&value_fields;
info.hash=&result->hash();	info.hash=&result.hash();
info.distinct=distinct;	info.distinct=distinct;
info.row=0;	info.row=0;

Line 467 static int sort_cmp_double(const void *a	Line 455 static int sort_cmp_double(const void *a
else	else
return 0;	return 0;
}	}
static void _sort(Request& r, StringPtr method_name, MethodParams* params) {	static void _sort(Request& r, MethodParams* params) {
Pool local_pool;	Value& key_maker=params->as_junction(0, "key-maker must be code");
ValuePtr key_maker=params->as_junction(0, "key-maker must be code");

bool reverse=params->count()>1/..[desc\|asc\|]/?	bool reverse=params->count()>1/..[desc\|asc\|]/?
reverse=*params->as_no_junction(1, "order must not be code")->as_string(&local_pool)=="desc":	reverse=*params->as_no_junction(1, "order must not be code").as_string()=="desc":
false; // default=asc	false; // default=asc

Table& old_table=GET_SELF(r, VTable).table(method_name);	Table& old_table=GET_SELF(r, VTable).table();
TablePtr new_table(new Table(method_name, old_table.columns()));	Table* new_table(new Table(method_name, old_table.columns()));

smart_ptr<Table_seq_item> seq(new Table_seq_item[old_table.count()]);	smart_ptr<Table_seq_item> seq(new Table_seq_item[old_table.count()]);
int i;	int i;
Line 486 static void _sort(Request& r, StringPtr	Line 473 static void _sort(Request& r, StringPtr
for(i=0; i<old_table.count(); i++) {	for(i=0; i<old_table.count(); i++) {
old_table.set_current(i);	old_table.set_current(i);
// calculate key value	// calculate key value
seq[i].row=old_table[i].get();	seq[i].row=old_table[i];
ValuePtr value=r.process_to_value(key_maker)->as_expr_result(true/return string as-is/);	Value* value=r.process_to_value(key_maker)->as_expr_result(true/return string as-is/);
if(i==0) // determining key values type by first one	if(i==0) // determining key values type by first one
key_values_are_strings=value->is_string();	key_values_are_strings=value->is_string();

if(key_values_are_strings)	if(key_values_are_strings)
seq[i].value.c_str=value->as_string(&local_pool)->cstr(local_pool);	seq[i].value.c_str=value->as_string()->cstr(local_pool);
else	else
seq[i].value.d=value->as_double();	seq[i].value.d=value->as_double();
}	}
Line 508 static void _sort(Request& r, StringPtr	Line 495 static void _sort(Request& r, StringPtr
GET_SELF(r, VTable).set_table(new_table);	GET_SELF(r, VTable).set_table(new_table);
}	}

static bool _locate_expression(Request& r, StringPtr method_name, MethodParams* params) {	static bool _locate_expression(Request& r, MethodParams* params) {
if(params->count()>1)	if(params->count()>1)
throw Exception("parser.runtime",	throw Exception("parser.runtime",
method_name,	method_name,
"locate by expression has only one parameter - expression");	"locate by expression has only one parameter - expression");

ValuePtr expression_code=params->as_junction(0, "must be expression");	Value* expression_code=params->as_junction(0, "must be expression");

Table& table=GET_SELF(r, VTable).table(method_name);	Table& table=GET_SELF(r, VTable).table();
int saved_current=table.current();	int saved_current=table.current();
int size=table.count();	int size=table.count();
for(int row=0; row<size; row++) {	for(int row=0; row<size; row++) {
Line 528 static bool _locate_expression(Request&	Line 515 static bool _locate_expression(Request&
table.set_current(saved_current);	table.set_current(saved_current);
return false;	return false;
}	}
static bool _locate_name_value(Request& r, StringPtr method_name, MethodParams* params) {	static bool _locate_name_value(Request& r, MethodParams* params) {
if(params->count()>2)	if(params->count()>2)
throw Exception("parser.runtime",	throw Exception("parser.runtime",
method_name,	method_name,
"locate by name and value has only two parameters - name and value");	"locate by name and value has only two parameters - name and value");

Table& table=GET_SELF(r, VTable).table(method_name);	Table& table=GET_SELF(r, VTable).table();
return table.locate(	return table.locate(
params->as_string(0, "column name must be string"),	params->as_string(0, "column name must be string"),
params->as_string(1, "value must be string")	params->as_string(1, "value must be string")
);	);
}	}
static void _locate(Request& r, StringPtr method_name, MethodParams* params) {	static void _locate(Request& r, MethodParams* params) {
Pool& pool=r.pool();
bool result=(*params)[0]->get_junction()?	bool result=(*params)[0]->get_junction()?
_locate_expression(r, method_name, params) :	_locate_expression(r, method_name, params) :
_locate_name_value(r, method_name, params);	_locate_name_value(r, method_name, params);
r.write_no_lang(ValuePtr(new VBool(result)));	r.write_no_lang(Value*(new VBool(result)));
}	}

static void _flip(Request& r, StringPtr method_name, MethodParams* params) {	static void _flip(Request& r, MethodParams* params) {
Pool& pool=r.pool();	Table& old_table=GET_SELF(r, VTable).table();
Table& old_table=GET_SELF(r, VTable).table(method_name);	Table* new_table(new Table(method_name, old_table.columns()));
TablePtr new_table(new Table(method_name, old_table.columns()));
if(old_table.count())	if(old_table.count())
if(int old_cols=old_table[0]->count())	if(int old_cols=old_table[0]->count())
for(int column=0; column<old_cols; column++) {	for(int column=0; column<old_cols; column++) {
Table::element_type new_row(new ArrayString(old_table.count()));	Table::element_type new_row(new ArrayString(old_table.count()));
for(int i=0; i<old_table.count(); i++) {	for(int i=0; i<old_table.count(); i++) {
Table::element_type old_row=old_table[i];	Table::element_type old_row=old_table[i];
*new_row+=column<old_row->count()?old_row->get(column):StringPtr(new String);	new_row+=column<old_row->count()?old_row->get(column):String (new String);
}	}
*new_table+=new_row;	*new_table+=new_row;
}	}

r.write_no_lang(ValuePtr(new VTable(new_table)));	r.write_no_lang(Value*(new VTable(new_table)));
}	}

static void _append(Request& r, StringPtr method_name, MethodParams* params) {	static void _append(Request& r, MethodParams* params) {
Pool& pool=r.pool();
// data	// data
Temp_lang temp_lang(r, String::UL_PASS_APPENDED);	Temp_lang temp_lang(r, String::L_PASS_APPENDED);
StringPtr string=r.process_to_string(params->as_junction(0, "body must be code"));	const String& string=r.process_to_string(params->as_junction(0, "body must be code"));

// parse cells	// parse cells
ArrayStringPtr row(new ArrayString);	ArrayString& row(new ArrayString);
string->split(*row, 0, "\t", 1, String::UL_AS_IS);	string->split(*row, 0, "\t", 1, String::L_AS_IS);

GET_SELF(r, VTable).table(method_name)+=row;	GET_SELF(r, VTable).table()+=row;
}	}

static void _join(Request& r, StringPtr method_name, MethodParams* params) {	static void _join(Request& r, MethodParams* params) {
Pool& pool=r.pool();

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)
Line 589 static void _join(Request& r, StringPtr	Line 572 static void _join(Request& r, StringPtr
"source is not a table");	"source is not a table");

Table& src=*maybe_src;	Table& src=*maybe_src;
Table& dest=GET_SELF(r, VTable).table(method_name);	Table& dest=GET_SELF(r, VTable).table();
if(&src == &dest)	if(&src == &dest)
throw Exception("parser.runtime",	throw Exception("parser.runtime",
method_name,	method_name,
Line 609 static void _join(Request& r, StringPtr	Line 592 static void _join(Request& r, StringPtr
src.set_current(src_row);	src.set_current(src_row);
Table::element_type dest_row(new ArrayString(src.count()));	Table::element_type dest_row(new ArrayString(src.count()));
for(int dest_column=0; dest_column<dest_columns->count(); dest_column++) {	for(int dest_column=0; dest_column<dest_columns->count(); dest_column++) {
StringPtr src_item=src.item(dest_columns->get(dest_column));	const String& src_item=src.item(dest_columns->get(dest_column));
*dest_row+=src_item?src_item:StringPtr(new String);	dest_row+=src_item?src_item:String (new String);
}	}
dest+=dest_row;	dest+=dest_row;
}	}
Line 623 static void _join(Request& r, StringPtr	Line 606 static void _join(Request& r, StringPtr

#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 {
StringPtr method_name;	const String& method_name;
StringPtr statement_string; const char* statement_cstr;	const String& statement_string; const char* statement_cstr;
ArrayStringPtr columns;	ArrayString& columns;
ArrayString* row;	ArrayString* row;
public:	public:
TablePtr table;	Table* table;
public:	public:
Table_sql_event_handlers(StringPtr amethod_name,	Table_sql_event_handlers(const String& amethod_name,
StringPtr astatement_string, const char* astatement_cstr) :	const String& astatement_string, const char* astatement_cstr) :
method_name(amethod_name),	method_name(amethod_name),
statement_string(astatement_string), statement_cstr(astatement_cstr),	statement_string(astatement_string), statement_cstr(astatement_cstr),
columns(new ArrayString), row(0) {	columns(new ArrayString), row(0) {
Line 639 public:	Line 622 public:

bool add_column(SQL_Error& error, void *ptr, size_t size) {	bool add_column(SQL_Error& error, void *ptr, size_t size) {
try {	try {
StringPtr column(new String);	const String& column(new String);
column->APPEND_TAINTED(	column->APPEND_TAINTED(
(const char* )ptr, size,	(const char* )ptr, size,
statement_cstr, 0);	statement_cstr, 0);
Line 652 public:	Line 635 public:
}	}
bool before_rows(SQL_Error& error) {	bool before_rows(SQL_Error& error) {
try {	try {
table=TablePtr(new Table( method_name, columns));	table=Table*(new Table( method_name, columns));
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 661 public:	Line 644 public:
}	}
bool add_row(SQL_Error& error) {	bool add_row(SQL_Error& error) {
try {	try {
*table+=(ArrayStringPtr(row=new ArrayString));	table+=(ArrayString (row=new ArrayString));
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 670 public:	Line 653 public:
}	}
bool add_row_cell(SQL_Error& error, void *ptr, size_t size) {	bool add_row_cell(SQL_Error& error, void *ptr, size_t size) {
try {	try {
StringPtr cell(new String);	const String& cell(new String);
if(size)	if(size)
cell->APPEND_TAINTED(	cell->APPEND_TAINTED(
(const char* )ptr, size,	(const char* )ptr, size,
Line 684 public:	Line 667 public:
}	}
};	};
#endif	#endif
static void _sql(Request& r, StringPtr method_name, MethodParams* params) {	static void _sql(Request& r, MethodParams* params) {
Pool& pool=r.pool();

ValuePtr statement=params->as_junction(0, "statement must be code");	Value* statement=params->as_junction(0, "statement must be code");

ulong limit=0;	ulong limit=0;
ulong offset=0;	ulong offset=0;
if(params->count()>1) {	if(params->count()>1) {
ValuePtr 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_string())
if(HashStringValue* options=voptions->get_hash(method_name)) {	if(HashStringValue* options=voptions->get_hash()) {
int valid_options=0;	int valid_options=0;
if(ValuePtr 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();
}	}
if(ValuePtr voffset=options->get(sql_offset_name)) {	if(Value* voffset=options->get(sql_offset_name)) {
valid_options++;	valid_options++;
offset=(ulong)r.process_to_value(voffset)->as_double();	offset=(ulong)r.process_to_value(voffset)->as_double();
}	}
Line 714 static void _sql(Request& r, StringPtr m	Line 696 static void _sql(Request& r, StringPtr m
"options must be hash");	"options must be hash");
}	}

Temp_lang temp_lang(r, String::UL_SQL);	Temp_lang temp_lang(r, String::L_SQL);
StringPtr statement_string=r.process_to_string(statement);	const String& statement_string=r.process_to_string(statement);
const char* statement_cstr=	const char* statement_cstr=
statement_string->cstr(pool, String::UL_UNSPECIFIED, r.connection(method_name));	statement_string->cstr(String::L_UNSPECIFIED, r.connection());
Table_sql_event_handlers handlers(method_name,	Table_sql_event_handlers handlers(method_name,
statement_string, statement_cstr);	statement_string, statement_cstr);
#ifdef RESOURCES_DEBUG	#ifdef RESOURCES_DEBUG
Line 725 static void _sql(Request& r, StringPtr m	Line 707 static void _sql(Request& r, StringPtr m
//measure:before	//measure:before
gettimeofday(&mt[0],NULL);	gettimeofday(&mt[0],NULL);
#endif	#endif
r.connection(method_name)->query(	r.connection()->query(
statement_cstr, offset, limit,	statement_cstr, offset, limit,
handlers,	handlers,
statement_string);	statement_string);
Line 741 static void _sql(Request& r, StringPtr m	Line 723 static void _sql(Request& r, StringPtr m
r.sql_request_time+=t[1]-t[0];	r.sql_request_time+=t[1]-t[0];
#endif	#endif

TablePtr result=	Table* result=
handlers.table?handlers.table: // query resulted in table? return it	handlers.table?handlers.table: // query resulted in table? return it
TablePtr(new Table(method_name, Table::columns_type(0))); // query returned no table, fake it	Table*(new Table(method_name, Table::columns_type(0))); // query returned no table, fake it

// replace any previous table value	// replace any previous table value
GET_SELF(r, VTable).set_table(result);	GET_SELF(r, VTable).set_table(result);
}	}

static void _columns(Request& r, StringPtr method_name, MethodParams* ) {	static void _columns(Request& r, MethodParams* ) {
Pool& pool=r.pool();

Table::columns_type result_columns(new ArrayString);	Table::columns_type result_columns(new ArrayString);
*result_columns+=StringPtr(new String("column"));	result_columns+=String (new String("column"));
TablePtr result_table(new Table(method_name, result_columns));	Table* result_table(new Table(method_name, result_columns));

Table& source_table=GET_SELF(r, VTable).table(method_name);	Table& source_table=GET_SELF(r, VTable).table();
if(Table::columns_type source_columns=source_table.columns()) {	if(Table::columns_type source_columns=source_table.columns()) {
Array_iterator<StringPtr> i(*source_columns);	Array_iterator<String> i(source_columns);
while(i.has_next()) {	while(i.has_next()) {
Table::element_type result_row(new ArrayString);	Table::element_type result_row(new ArrayString);
*result_row+=i.next();	*result_row+=i.next();
Line 766 static void _columns(Request& r, StringP	Line 747 static void _columns(Request& r, StringP
}	}
}	}

r.write_no_lang(ValuePtr(new VTable(result_table)));	r.write_no_lang(Value*(new VTable(result_table)));
}	}

static void _select(Request& r, StringPtr method_name, MethodParams* params) {	static void _select(Request& r, MethodParams* params) {
Pool& pool=r.pool();

ValuePtr vcondition=params->as_junction(0, "condition must be expression");	Value* vcondition=params->as_junction(0, "condition must be expression");

Table& source_table=GET_SELF(r, VTable).table(method_name);	Table& source_table=GET_SELF(r, VTable).table();
TablePtr result_table(new Table(	Table* result_table(new Table(
source_table.origin_string(),	source_table.origin_string(),
source_table.columns()	source_table.columns()
));	));
Line 794 static void _select(Request& r, StringPt	Line 774 static void _select(Request& r, StringPt
}	}
source_table.set_current(saved_current);	source_table.set_current(saved_current);

r.write_no_lang(ValuePtr(new VTable(result_table)));	r.write_no_lang(Value*(new VTable(result_table)));
}	}

// constructor	// constructor

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Removed from v.1.172.2.14
changed lines
	Added in v.1.172.2.14.2.12