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Feature CORE-6482 - System table with keywords.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * The contents of this file are subject to the Initial | ||
| * Developer's Public License Version 1.0 (the "License"); | ||
| * you may not use this file except in compliance with the | ||
| * License. You may obtain a copy of the License at | ||
| * http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl. | ||
| * | ||
| * Software distributed under the License is distributed AS IS, | ||
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing rights | ||
| * and limitations under the License. | ||
| * | ||
| * The Original Code was created by Adriano dos Santos Fernandes | ||
| * for the Firebird Open Source RDBMS project. | ||
| * | ||
| * Copyright (c) 2021 Adriano dos Santos Fernandes <[email protected]> | ||
| * and all contributors signed below. | ||
| * | ||
| * All Rights Reserved. | ||
| * Contributor(s): ______________________________________. | ||
| */ | ||
|
|
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| #include "../jrd/KeywordsTable.h" | ||
| #include "../jrd/ini.h" | ||
| #include "../jrd/ids.h" | ||
| #include "../common/keywords.h" | ||
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| using namespace Jrd; | ||
| using namespace Firebird; | ||
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| RecordBuffer* KeywordsTable::getRecords(thread_db* tdbb, jrd_rel* relation) | ||
| { | ||
| fb_assert(relation); | ||
| fb_assert(relation->rel_id == rel_keywords); | ||
|
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| auto recordBuffer = getData(relation); | ||
| if (recordBuffer) | ||
| return recordBuffer; | ||
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| recordBuffer = allocBuffer(tdbb, *tdbb->getDefaultPool(), relation->rel_id); | ||
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| const auto record = recordBuffer->getTempRecord(); | ||
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| for (const auto* token = keywordGetTokens(); token->tok_string; ++token) | ||
| { | ||
| if (isalpha(token->tok_string[0])) | ||
| { | ||
| record->nullify(); | ||
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| putField(tdbb, record, | ||
| DumpField(f_keyword_name, VALUE_STRING, strlen(token->tok_string), token->tok_string)); | ||
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| const bool reserved = !token->nonReserved; | ||
| putField(tdbb, record, DumpField(f_keyword_reserved, VALUE_BOOLEAN, 1, &reserved)); | ||
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| recordBuffer->store(record); | ||
| } | ||
| } | ||
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| return recordBuffer; | ||
| } | ||
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| //-------------------------------------- | ||
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| void KeywordsTableScan::close(thread_db* tdbb) const | ||
| { | ||
| const auto request = tdbb->getRequest(); | ||
| const auto impure = request->getImpure<Impure>(impureOffset); | ||
|
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| delete impure->table; | ||
| impure->table = nullptr; | ||
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| VirtualTableScan::close(tdbb); | ||
| } | ||
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| const Format* KeywordsTableScan::getFormat(thread_db* tdbb, jrd_rel* relation) const | ||
| { | ||
| const auto records = getRecords(tdbb, relation); | ||
| return records->getFormat(); | ||
| } | ||
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| bool KeywordsTableScan::retrieveRecord(thread_db* tdbb, jrd_rel* relation, | ||
| FB_UINT64 position, Record* record) const | ||
| { | ||
| const auto records = getRecords(tdbb, relation); | ||
| return records->fetch(position, record); | ||
| } | ||
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| RecordBuffer* KeywordsTableScan::getRecords(thread_db* tdbb, jrd_rel* relation) const | ||
| { | ||
| const auto request = tdbb->getRequest(); | ||
| const auto impure = request->getImpure<Impure>(impureOffset); | ||
|
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| if (!impure->table) | ||
| impure->table = FB_NEW_POOL(*tdbb->getDefaultPool()) KeywordsTable(*tdbb->getDefaultPool()); | ||
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| return impure->table->getRecords(tdbb, relation); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * The contents of this file are subject to the Initial | ||
| * Developer's Public License Version 1.0 (the "License"); | ||
| * you may not use this file except in compliance with the | ||
| * License. You may obtain a copy of the License at | ||
| * http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl. | ||
| * | ||
| * Software distributed under the License is distributed AS IS, | ||
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing rights | ||
| * and limitations under the License. | ||
| * | ||
| * The Original Code was created by Adriano dos Santos Fernandes | ||
| * for the Firebird Open Source RDBMS project. | ||
| * | ||
| * Copyright (c) 2021 Adriano dos Santos Fernandes <[email protected]> | ||
| * and all contributors signed below. | ||
| * | ||
| * All Rights Reserved. | ||
| * Contributor(s): ______________________________________. | ||
| */ | ||
|
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| #ifndef JRD_KEYWORDS_TABLE_H | ||
| #define JRD_KEYWORDS_TABLE_H | ||
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| #include "firebird.h" | ||
| #include "../common/classes/fb_string.h" | ||
| #include "../jrd/Monitoring.h" | ||
| #include "../jrd/recsrc/RecordSource.h" | ||
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| namespace Jrd | ||
| { | ||
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| class KeywordsTable : public SnapshotData | ||
| { | ||
| public: | ||
| KeywordsTable(MemoryPool& pool) | ||
| : SnapshotData(pool) | ||
| { | ||
| } | ||
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| public: | ||
| RecordBuffer* getRecords(thread_db* tdbb, jrd_rel* relation); | ||
| }; | ||
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| class KeywordsTableScan : public VirtualTableScan | ||
| { | ||
| public: | ||
| KeywordsTableScan(CompilerScratch* csb, const Firebird::string& alias, | ||
| StreamType stream, jrd_rel* relation) | ||
| : VirtualTableScan(csb, alias, stream, relation) | ||
| { | ||
| impureOffset = csb->allocImpure<Impure>(); | ||
| } | ||
|
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| void close(thread_db* tdbb) const override; | ||
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| protected: | ||
| const Format* getFormat(thread_db* tdbb, jrd_rel* relation) const override; | ||
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| bool retrieveRecord(thread_db* tdbb, jrd_rel* relation, FB_UINT64 position, | ||
| Record* record) const override; | ||
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| private: | ||
| struct Impure | ||
| { | ||
| KeywordsTable* table; | ||
| }; | ||
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| RecordBuffer* getRecords(thread_db* tdbb, jrd_rel* relation) const; | ||
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| ULONG impureOffset; | ||
| }; | ||
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| } // namespace Jrd | ||
|
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| #endif // JRD_KEYWORDS_TABLE_H |
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