enum missing_treatment missing; /* How to treat missing values. */
struct agr_var *agr_vars; /* First aggregate variable. */
struct dictionary *dict; /* Aggregate dictionary. */
+ const struct dictionary *src_dict; /* Dict of the source */
int case_cnt; /* Counts aggregated cases. */
struct ccase agr_case; /* Aggregate case for output. */
};
const struct ccase *);
/* Prototypes. */
-static int parse_aggregate_functions (struct agr_proc *);
+static bool parse_aggregate_functions (const struct dictionary *,
+ struct agr_proc *);
static void agr_destroy (struct agr_proc *);
-static int aggregate_single_case (struct agr_proc *agr,
- const struct ccase *input,
- struct ccase *output);
+static bool aggregate_single_case (struct agr_proc *agr,
+ const struct ccase *input,
+ struct ccase *output);
static void dump_aggregate_info (struct agr_proc *agr, struct ccase *output);
/* Aggregating to the active file. */
-static bool agr_to_active_file (const struct ccase *, void *aux);
+static bool agr_to_active_file (const struct ccase *, void *aux, const struct dataset *);
/* Aggregating to a system file. */
-static bool presorted_agr_to_sysfile (const struct ccase *, void *aux);
+static bool presorted_agr_to_sysfile (const struct ccase *, void *aux, const struct dataset *);
\f
/* Parsing. */
/* Parses and executes the AGGREGATE procedure. */
int
-cmd_aggregate (void)
+cmd_aggregate (struct dataset *ds)
{
+ struct dictionary *dict = dataset_dict (ds);
struct agr_proc agr;
struct file_handle *out_file = NULL;
case_nullify (&agr.break_case);
agr.dict = dict_create ();
- dict_set_label (agr.dict, dict_get_label (default_dict));
- dict_set_documents (agr.dict, dict_get_documents (default_dict));
+ agr.src_dict = dict;
+ dict_set_label (agr.dict, dict_get_label (dict));
+ dict_set_documents (agr.dict, dict_get_documents (dict));
/* OUTFILE subcommand must be first. */
if (!lex_force_match_id ("OUTFILE"))
int i;
lex_match ('=');
- agr.sort = sort_parse_criteria (default_dict,
+ agr.sort = sort_parse_criteria (dict,
&agr.break_vars, &agr.break_var_cnt,
&saw_direction, NULL);
if (agr.sort == NULL)
/* Read in the aggregate functions. */
lex_match ('/');
- if (!parse_aggregate_functions (&agr))
+ if (!parse_aggregate_functions (dict, &agr))
goto error;
/* Delete documents. */
{
/* The active file will be replaced by the aggregated data,
so TEMPORARY is moot. */
- proc_cancel_temporary_transformations ();
+ proc_cancel_temporary_transformations (ds);
if (agr.sort != NULL && !presorted)
{
- if (!sort_active_file_in_place (agr.sort))
+ if (!sort_active_file_in_place (ds, agr.sort))
goto error;
}
agr.sink = create_case_sink (&storage_sink_class, agr.dict, NULL);
if (agr.sink->class->open != NULL)
agr.sink->class->open (agr.sink);
- proc_set_sink (create_case_sink (&null_sink_class, default_dict, NULL));
- if (!procedure (agr_to_active_file, &agr))
+ proc_set_sink (ds,
+ create_case_sink (&null_sink_class,
+ dict, NULL));
+ if (!procedure (ds, agr_to_active_file, &agr))
goto error;
if (agr.case_cnt > 0)
{
if (!agr.sink->class->write (agr.sink, &agr.agr_case))
goto error;
}
- discard_variables ();
- dict_destroy (default_dict);
- default_dict = agr.dict;
+ discard_variables (ds);
+ dict_destroy (dict);
+ dataset_set_dict (ds, agr.dict);
agr.dict = NULL;
- proc_set_source (agr.sink->class->make_source (agr.sink));
+ proc_set_source (ds,
+ agr.sink->class->make_source (agr.sink));
free_case_sink (agr.sink);
}
else
struct ccase c;
bool ok = true;
- dst = sort_active_file_to_casefile (agr.sort);
+ dst = sort_active_file_to_casefile (ds, agr.sort);
if (dst == NULL)
goto error;
reader = casefile_get_destructive_reader (dst);
else
{
/* Active file is already sorted. */
- if (!procedure (presorted_agr_to_sysfile, &agr))
+ if (!procedure (ds, presorted_agr_to_sysfile, &agr))
goto error;
}
}
/* Parse all the aggregate functions. */
-static int
-parse_aggregate_functions (struct agr_proc *agr)
+static bool
+parse_aggregate_functions (const struct dictionary *dict, struct agr_proc *agr)
{
struct agr_var *tail; /* Tail of linked list starting at agr->vars. */
else if (function->n_args)
pv_opts |= PV_SAME_TYPE;
- if (!parse_variables (default_dict, &src, &n_src, pv_opts))
+ if (!parse_variables (dict, &src, &n_src, pv_opts))
goto error;
}
if (destvar != NULL)
{
if ((func_index == N || func_index == NMISS)
- && dict_get_weight (default_dict) != NULL)
+ && dict_get_weight (dict) != NULL)
destvar->print = destvar->write = f8_2;
else
destvar->print = destvar->write = function->format;
v->src = NULL;
destvar = dict_create_var (agr->dict, dest[i], 0);
if (func_index == N_NO_VARS
- && dict_get_weight (default_dict) != NULL)
+ && dict_get_weight (dict) != NULL)
destvar->print = destvar->write = f8_2;
else
destvar->print = destvar->write = function->format;
if (!lex_match ('/'))
{
if (token == '.')
- return 1;
+ return true;
lex_error ("expecting end of command");
- return 0;
+ return false;
}
continue;
}
free (src);
- return 0;
+ return false;
}
}
static void dump_aggregate_info (struct agr_proc *, struct ccase *);
/* Processes a single case INPUT for aggregation. If output is
- warranted, writes it to OUTPUT and returns nonzero.
- Otherwise, returns zero and OUTPUT is unmodified. */
-static int
+ warranted, writes it to OUTPUT and returns true.
+ Otherwise, returns false and OUTPUT is unmodified. */
+static bool
aggregate_single_case (struct agr_proc *agr,
const struct ccase *input, struct ccase *output)
{
{
struct agr_var *iter;
double weight;
- int bad_warn = 1;
+ bool bad_warn = true;
- weight = dict_get_case_weight (default_dict, input, &bad_warn);
+ weight = dict_get_case_weight (agr->src_dict, input, &bad_warn);
for (iter = agr->agr_vars; iter; iter = iter->next)
if (iter->src)
are dropped.
Returns true if successful, false if an I/O error occurred. */
static bool
-agr_to_active_file (const struct ccase *c, void *agr_)
+agr_to_active_file (const struct ccase *c, void *agr_, const struct dataset *ds UNUSED)
{
struct agr_proc *agr = agr_;
/* Aggregate the current case and output it if we passed a
breakpoint. */
static bool
-presorted_agr_to_sysfile (const struct ccase *c, void *agr_)
+presorted_agr_to_sysfile (const struct ccase *c, void *agr_, const struct dataset *ds UNUSED)
{
struct agr_proc *agr = agr_;