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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,100 +1,163 @@ | ||
| #include "grnxx/impl/column/column_vector_text.hpp" | ||
| #include "grnxx/impl/column/vector/text.hpp" | ||
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| #include <cstring> | ||
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| #include "grnxx/cursor.hpp" | ||
| #include "grnxx/impl/db.hpp" | ||
| #include "grnxx/impl/table.hpp" | ||
| //#include "grnxx/impl/index.hpp" | ||
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| namespace grnxx { | ||
| namespace impl { | ||
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| bool Column<Vector<Text>>::set(Error *error, Int row_id, | ||
| const Datum &datum) { | ||
| if (datum.type() != TEXT_VECTOR_DATA) { | ||
| GRNXX_ERROR_SET(error, INVALID_ARGUMENT, "Wrong data type"); | ||
| return false; | ||
| Column<Vector<Text>>::Column(Table *table, | ||
| const String &name, | ||
| const ColumnOptions &) | ||
| : ColumnBase(table, name, TEXT_VECTOR_DATA), | ||
| headers_(), | ||
| bodies_() {} | ||
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| Column<Vector<Text>>::~Column() {} | ||
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| void Column<Vector<Text>>::set(Int row_id, const Datum &datum) { | ||
| Vector<Text> new_value = parse_datum(datum); | ||
| if (!table_->test_row(row_id)) { | ||
| throw "Invalid row ID"; // TODO | ||
| } | ||
| if (!table_->test_row(error, row_id)) { | ||
| return false; | ||
| if (new_value.is_na()) { | ||
| unset(row_id); | ||
| return; | ||
| } | ||
| Vector<Text> value = datum.force_text_vector(); | ||
| if (value.size() == 0) { | ||
| headers_[row_id] = Header{ 0, 0 }; | ||
| return true; | ||
| Vector<Text> old_value = get(row_id); | ||
| if ((old_value == new_value).is_true()) { | ||
| return; | ||
| } | ||
| Int text_headers_offset = text_headers_.size(); | ||
| if (!text_headers_.resize(error, text_headers_offset + value.size())) { | ||
| return false; | ||
| if (!old_value.is_na()) { | ||
| // TODO: Remove the old value from indexes. | ||
| // for (size_t i = 0; i < num_indexes(); ++i) { | ||
| // indexes_[i]->remove(row_id, old_value); | ||
| // } | ||
| } | ||
| Int total_size = 0; | ||
| for (Int i = 0; i < value.size(); ++i) { | ||
| total_size += value[i].size(); | ||
| size_t value_id = row_id.value(); | ||
| if (value_id >= headers_.size()) { | ||
| headers_.resize(value_id + 1, na_header()); | ||
| } | ||
| Int bodies_offset = bodies_.size(); | ||
| if (!bodies_.resize(error, bodies_offset + total_size)) { | ||
| return false; | ||
| // TODO: Insert the new value into indexes. | ||
| // for (size_t i = 0; i < num_indexes(); ++i) try { | ||
| // indexes_[i]->insert(row_id, datum)) { | ||
| // } catch (...) { | ||
| // for (size_t j = 0; j < i; ++i) { | ||
| // indexes_[j]->remove(row_id, datum); | ||
| // } | ||
| // throw; | ||
| // } | ||
| // TODO: Error handling. | ||
| size_t new_value_size = new_value.size().value(); | ||
| size_t text_headers_offset = text_headers_.size(); | ||
| text_headers_.resize(text_headers_offset + new_value_size); | ||
| size_t total_size = 0; | ||
| for (size_t i = 0; i < new_value_size; ++i) { | ||
| if (!new_value[i].is_na()) { | ||
| total_size += new_value[i].size().value(); | ||
| } | ||
| } | ||
| headers_[row_id] = Header{ text_headers_offset, value.size() }; | ||
| for (Int i = 0; i < value.size(); ++i) { | ||
| size_t bodies_offset = bodies_.size(); | ||
| bodies_.resize(bodies_offset + total_size); | ||
| headers_[value_id] = Header{ text_headers_offset, new_value.size() }; | ||
| for (size_t i = 0; i < new_value_size; ++i) { | ||
| text_headers_[text_headers_offset + i].offset = bodies_offset; | ||
| text_headers_[text_headers_offset + i].size = value[i].size(); | ||
| std::memcpy(&bodies_[bodies_offset], value[i].data(), value[i].size()); | ||
| bodies_offset += value[i].size(); | ||
| text_headers_[text_headers_offset + i].size = new_value[i].size(); | ||
| if (!new_value[i].is_na()) { | ||
| std::memcpy(&bodies_[bodies_offset], | ||
| new_value[i].data(), new_value[i].size().value()); | ||
| bodies_offset += new_value[i].size().value(); | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| bool Column<Vector<Text>>::get(Error *error, Int row_id, | ||
| Datum *datum) const { | ||
| if (!table_->test_row(error, row_id)) { | ||
| return false; | ||
| void Column<Vector<Text>>::get(Int row_id, Datum *datum) const { | ||
| size_t value_id = row_id.value(); | ||
| if (value_id >= headers_.size()) { | ||
| *datum = Vector<Text>::na(); | ||
| } else { | ||
| // TODO | ||
| *datum = get(row_id); | ||
| } | ||
| *datum = get(row_id); | ||
| return true; | ||
| } | ||
|
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| unique_ptr<Column<Vector<Text>>> Column<Vector<Text>>::create( | ||
| Error *error, | ||
| Table *table, | ||
| const StringCRef &name, | ||
| const ColumnOptions &options) { | ||
| unique_ptr<Column> column(new (nothrow) Column); | ||
| if (!column) { | ||
| GRNXX_ERROR_SET(error, NO_MEMORY, "Memory allocation failed"); | ||
| return nullptr; | ||
| } | ||
| if (!column->initialize_base(error, table, name, | ||
| TEXT_VECTOR_DATA, options)) { | ||
| return nullptr; | ||
| } | ||
| if (!column->headers_.resize(error, table->max_row_id() + 1, | ||
| Header{ 0, 0 })) { | ||
| return nullptr; | ||
| bool Column<Vector<Text>>::contains(const Datum &datum) const { | ||
| // TODO: Use an index if exists. | ||
| Vector<Text> value = parse_datum(datum); | ||
| if (value.is_na()) { | ||
| for (size_t i = 0; i < headers_.size(); ++i) { | ||
| if (headers_[i].size.is_na()) { | ||
| return true; | ||
| } | ||
| } | ||
| } else { | ||
| for (size_t i = 0; i < headers_.size(); ++i) { | ||
| // TODO: Improve this. | ||
| if ((get(Int(i)) == value).is_true()) { | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| return column; | ||
| return false; | ||
| } | ||
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| Column<Vector<Text>>::~Column() {} | ||
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| bool Column<Vector<Text>>::set_default_value(Error *error, | ||
| Int row_id) { | ||
| if (row_id >= headers_.size()) { | ||
| if (!headers_.resize(error, row_id + 1)) { | ||
| return false; | ||
| Int Column<Vector<Text>>::find_one(const Datum &datum) const { | ||
| // TODO: Use an index if exists. | ||
| Vector<Text> value = parse_datum(datum); | ||
| if (value.is_na()) { | ||
| for (size_t i = 0; i < headers_.size(); ++i) { | ||
| if (headers_[i].size.is_na()) { | ||
| return Int(i); | ||
| } | ||
| } | ||
| } else { | ||
| for (size_t i = 0; i < headers_.size(); ++i) { | ||
| // TODO: Improve this. | ||
| if ((get(Int(i)) == value).is_true()) { | ||
| return Int(i); | ||
| } | ||
| } | ||
| } | ||
| headers_[row_id] = Header{ 0, 0 }; | ||
| return true; | ||
| return Int::na(); | ||
| } | ||
|
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| void Column<Vector<Text>>::unset(Int row_id) { | ||
| headers_[row_id] = Header{ 0, 0 }; | ||
| Vector<Text> value = get(row_id); | ||
| if (!value.is_na()) { | ||
| // TODO: Update indexes if exist. | ||
| // for (size_t i = 0; i < num_indexes(); ++i) { | ||
| // indexes_[i]->remove(row_id, value); | ||
| // } | ||
| headers_[row_id.value()] = na_header(); | ||
| } | ||
| } | ||
|
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| Column<Vector<Text>>::Column() | ||
| : ColumnBase(), | ||
| headers_(), | ||
| text_headers_(), | ||
| bodies_() {} | ||
| void Column<Vector<Text>>::read(ArrayCRef<Record> records, | ||
| ArrayRef<Vector<Text>> values) const { | ||
| if (records.size() != values.size()) { | ||
| throw "Data size conflict"; // TODO | ||
| } | ||
| for (size_t i = 0; i < records.size(); ++i) { | ||
| values.set(i, get(records[i].row_id)); | ||
| } | ||
| } | ||
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| Vector<Text> Column<Vector<Text>>::parse_datum(const Datum &datum) { | ||
| switch (datum.type()) { | ||
| case NA_DATA: { | ||
| return Vector<Text>::na(); | ||
| } | ||
| case TEXT_VECTOR_DATA: { | ||
| return datum.as_text_vector(); | ||
| } | ||
| default: { | ||
| throw "Wrong data type"; // TODO | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } // namespace impl | ||
| } // namespace grnxx |
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