static sql_rel*
rel_drop_function(sql_allocator *sa, char *sname, char *name, int nr, int type, int action)
{
sql_rel *rel = rel_create(sa);
list *exps = new_exp_list(sa);
append(exps, exp_atom_clob(sa, sname));
append(exps, exp_atom_clob(sa, name));
append(exps, exp_atom_int(sa, nr));
append(exps, exp_atom_int(sa, type));
append(exps, exp_atom_int(sa, action));
rel->l = NULL;
rel->r = NULL;
rel->op = op_ddl;
rel->flag = DDL_DROP_FUNCTION;
rel->exps = exps;
rel->card = 0;
rel->nrcols = 0;
return rel;
}
static sql_rel*
rel_create_function(sql_allocator *sa, const char *sname, sql_func *f)
{
sql_rel *rel = rel_create(sa);
list *exps = new_exp_list(sa);
if(!rel || !exps)
return NULL;
append(exps, exp_atom_clob(sa, sname));
if (f)
append(exps, exp_atom_clob(sa, f->base.name));
append(exps, exp_atom_ptr(sa, f));
rel->l = NULL;
rel->r = NULL;
rel->op = op_ddl;
rel->flag = DDL_CREATE_FUNCTION;
rel->exps = exps;
rel->card = 0;
rel->nrcols = 0;
return rel;
}
static sql_rel *
rel_trans(mvc *sql, int trans_type, int nr, char *name)
{
sql_rel *rel = rel_create(sql->sa);
list *exps = new_exp_list(sql->sa);
append(exps, exp_atom_int(sql->sa, nr));
if (name)
append(exps, exp_atom_clob(sql->sa, name));
rel->l = NULL;
rel->r = NULL;
rel->op = op_ddl;
rel->flag = trans_type;
rel->exps = exps;
rel->card = 0;
rel->nrcols = 0;
return rel;
}
static sql_rel *
psm_analyze(mvc *sql, dlist *qname, dlist *columns, symbol *sample )
{
exp_kind ek = {type_value, card_value, FALSE};
sql_exp *sample_exp = NULL, *call;
char *sname = NULL, *tname = NULL;
list *tl = sa_list(sql->sa);
list *exps = sa_list(sql->sa), *analyze_calls = sa_list(sql->sa);
sql_subfunc *f = NULL;
if (sample) {
sql_subtype *tpe = sql_bind_localtype("lng");
sample_exp = rel_value_exp( sql, NULL, sample, 0, ek);
if (sample_exp)
sample_exp = rel_check_type(sql, tpe, sample_exp, type_cast);
}
if (qname) {
if (qname->h->next)
sname = qname_schema(qname);
else
sname = qname_table(qname);
if (!sname)
sname = cur_schema(sql)->base.name;
if (qname->h->next)
tname = qname_table(qname);
}
/* call analyze( [schema, [ table ]], opt_sample_size ) */
if (sname) {
sql_exp *sname_exp = exp_atom_clob(sql->sa, sname);
append(exps, sname_exp);
append(tl, exp_subtype(sname_exp));
}
if (tname) {
sql_exp *tname_exp = exp_atom_clob(sql->sa, tname);
append(exps, tname_exp);
append(tl, exp_subtype(tname_exp));
if (columns)
append(tl, exp_subtype(tname_exp));
}
if (!columns) {
if (sample_exp) {
append(exps, sample_exp);
append(tl, exp_subtype(sample_exp));
}
f = sql_bind_func_(sql->sa, mvc_bind_schema(sql, "sys"), "analyze", tl, F_PROC);
if (!f)
return sql_error(sql, 01, "Analyze procedure missing");
call = exp_op(sql->sa, exps, f);
append(analyze_calls, call);
} else {
dnode *n;
if (sample_exp)
append(tl, exp_subtype(sample_exp));
f = sql_bind_func_(sql->sa, mvc_bind_schema(sql, "sys"), "analyze", tl, F_PROC);
if (!f)
return sql_error(sql, 01, "Analyze procedure missing");
for( n = columns->h; n; n = n->next) {
char *cname = n->data.sval;
list *nexps = list_dup(exps, NULL);
sql_exp *cname_exp = exp_atom_clob(sql->sa, cname);
append(nexps, cname_exp);
if (sample_exp)
append(nexps, sample_exp);
/* call analyze( sname, tname, cname, opt_sample_size ) */
call = exp_op(sql->sa, nexps, f);
append(analyze_calls, call);
}
}
return rel_psm_block(sql->sa, analyze_calls);
}
