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Use nullptr.

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This commit is contained in:
Bruce Mitchener 2018-02-12 14:05:55 +07:00
parent f01328c65f
commit 76eb7b9ede
625 changed files with 4639 additions and 4639 deletions
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30
src/muz/rel/dl_sparse_table.cpp
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@ -257,8 +257,8 @@ namespace datalog {
\brief Empty result.
*/
query_result() : m_singleton(false) {
m_many.begin = 0;
m_many.end = 0;
m_many.begin = nullptr;
m_many.end = nullptr;
}
query_result(offset_iterator begin, offset_iterator end) : m_singleton(false) {
m_many.begin = begin;
@ -327,7 +327,7 @@ namespace datalog {
key_value key;
key.resize(key_len);
offset_vector * index_entry = 0;
offset_vector * index_entry = nullptr;
bool key_modified = true;
for (; ofs!=after_last; ofs+=t.m_fact_size) {
@ -473,7 +473,7 @@ namespace datalog {
#endif
key_spec kspec;
kspec.append(key_len, key_cols);
key_index_map::entry * key_map_entry = m_key_indexes.insert_if_not_there2(kspec, 0);
key_index_map::entry * key_map_entry = m_key_indexes.insert_if_not_there2(kspec, nullptr);
if (!key_map_entry->get_data().m_value) {
if (full_signature_key_indexer::can_handle(key_len, key_cols, *this)) {
key_map_entry->get_data().m_value = alloc(full_signature_key_indexer, key_len, key_cols, *this);
@ -777,9 +777,9 @@ namespace datalog {
const table_signature & sig = t->get_signature();
t->reset();
table_pool::entry * e = m_pool.insert_if_not_there2(sig, 0);
table_pool::entry * e = m_pool.insert_if_not_there2(sig, nullptr);
sp_table_vector * & vect = e->get_data().m_value;
if (vect == 0) {
if (vect == nullptr) {
vect = alloc(sp_table_vector);
}
IF_VERBOSE(12, verbose_stream() << "Recycle: " << t->get_size_estimate_bytes() << "\n";);
@ -859,9 +859,9 @@ namespace datalog {
if (t1.get_kind()!=get_kind() || t2.get_kind()!=get_kind()
|| join_involves_functional(sig1, sig2, col_cnt, cols1, cols2)) {
//We also don't allow indexes on functional columns (and they are needed for joins)
return 0;
return nullptr;
}
return mk_join_project_fn(t1, t2, col_cnt, cols1, cols2, 0, static_cast<unsigned*>(0));
return mk_join_project_fn(t1, t2, col_cnt, cols1, cols2, 0, static_cast<unsigned*>(nullptr));
}
table_join_fn * sparse_table_plugin::mk_join_project_fn(const table_base & t1, const table_base & t2,
@ -874,7 +874,7 @@ namespace datalog {
|| join_involves_functional(sig1, sig2, col_cnt, cols1, cols2)) {
//We don't allow sparse tables with zero signatures (and project on all columns leads to such)
//We also don't allow indexes on functional columns.
return 0;
return nullptr;
}
return alloc(join_project_fn, t1.get_signature(), t2.get_signature(), col_cnt, cols1, cols2,
removed_col_cnt, removed_cols);
@ -905,7 +905,7 @@ namespace datalog {
|| (delta && delta->get_kind()!=get_kind())
|| tgt.get_signature()!=src.get_signature()
|| (delta && delta->get_signature()!=tgt.get_signature())) {
return 0;
return nullptr;
}
return alloc(union_fn);
}
@ -969,7 +969,7 @@ namespace datalog {
table_transformer_fn * sparse_table_plugin::mk_project_fn(const table_base & t, unsigned col_cnt,
const unsigned * removed_cols) {
if (col_cnt == t.get_signature().size()) {
return 0;
return nullptr;
}
return alloc(project_fn, t.get_signature(), col_cnt, removed_cols);
}
@ -1032,7 +1032,7 @@ namespace datalog {
//column table produces one).
//We also don't allow indexes on functional columns. And our implementation of
//select_equal_and_project uses index on \c col.
return 0;
return nullptr;
}
return alloc(select_equal_and_project_fn, t.get_signature(), value, col);
}
@ -1113,7 +1113,7 @@ namespace datalog {
table_transformer_fn * sparse_table_plugin::mk_rename_fn(const table_base & t, unsigned permutation_cycle_len,
const unsigned * permutation_cycle) {
if (t.get_kind()!=get_kind()) {
return 0;
return nullptr;
}
return alloc(rename_fn, t.get_signature(), permutation_cycle_len, permutation_cycle);
}
@ -1252,7 +1252,7 @@ namespace datalog {
if (!check_kind(t) || !check_kind(negated_obj)
|| join_involves_functional(t.get_signature(), negated_obj.get_signature(), joined_col_cnt,
t_cols, negated_cols) ) {
return 0;
return nullptr;
}
return alloc(negation_filter_fn, t, negated_obj, joined_col_cnt, t_cols, negated_cols);
}
@ -1394,7 +1394,7 @@ namespace datalog {
return alloc(negated_join_fn, src1, t_cols, src_cols, src1_cols, src2_cols);
}
else {
return 0;
return nullptr;
}
}