homework-jianmu/source/libs/parser/test/mockCatalogService.cpp

316 lines
10 KiB
C++

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mockCatalogService.h"
#include "tep.h"
#include <iomanip>
#include <iostream>
#include <map>
#include "tname.h"
#include "ttypes.h"
std::unique_ptr<MockCatalogService> mockCatalogService;
class TableBuilder : public ITableBuilder {
public:
virtual TableBuilder& addColumn(const std::string& name, int8_t type, int32_t bytes) {
assert(colId_ <= schema()->tableInfo.numOfTags + schema()->tableInfo.numOfColumns);
SSchema* col = schema()->schema + (colId_ - 1);
col->type = type;
col->colId = colId_++;
col->bytes = bytes;
strcpy(col->name, name.c_str());
rowsize_ += bytes;
return *this;
}
virtual TableBuilder& setVgid(int16_t vgid) {
schema()->vgId = vgid;
SVgroupInfo vgroup = {.vgId = vgid, .hashBegin = 0, .hashEnd = 0, };
vgroup.epset.eps[0] = (SEp){"dnode_1", 6030};
vgroup.epset.eps[1] = (SEp){"dnode_2", 6030};
vgroup.epset.eps[2] = (SEp){"dnode_3", 6030};
vgroup.epset.inUse = 0;
vgroup.epset.numOfEps = 3;
meta_->vgs.emplace_back(vgroup);
return *this;
}
virtual TableBuilder& setPrecision(uint8_t precision) {
schema()->tableInfo.precision = precision;
return *this;
}
virtual void done() {
schema()->tableInfo.rowSize = rowsize_;
}
private:
friend class MockCatalogServiceImpl;
static std::unique_ptr<TableBuilder> createTableBuilder(int8_t tableType, int32_t numOfColumns, int32_t numOfTags) {
STableMeta* meta = (STableMeta*)std::calloc(1, sizeof(STableMeta) + sizeof(SSchema) * (numOfColumns + numOfTags));
if (nullptr == meta) {
throw std::bad_alloc();
}
meta->tableType = tableType;
meta->tableInfo.numOfTags = numOfTags;
meta->tableInfo.numOfColumns = numOfColumns;
return std::unique_ptr<TableBuilder>(new TableBuilder(meta));
}
TableBuilder(STableMeta* schemaMeta) : colId_(1), rowsize_(0), meta_(new MockTableMeta()) {
meta_->schema.reset(schemaMeta);
}
std::shared_ptr<STableMeta> schema() {
return meta_->schema;
}
std::shared_ptr<MockTableMeta> table() {
return meta_;
}
int32_t colId_;
int32_t rowsize_;
std::shared_ptr<MockTableMeta> meta_;
};
class MockCatalogServiceImpl {
public:
static const int32_t numOfDataTypes = sizeof(tDataTypes) / sizeof(tDataTypes[0]);
MockCatalogServiceImpl() : id_(1) {
}
int32_t catalogGetHandle() const {
return 0;
}
int32_t catalogGetTableMeta(const SName* pTableName, STableMeta** pTableMeta) const {
std::unique_ptr<STableMeta> table;
char db[TSDB_DB_NAME_LEN] = {0};
tNameGetDbName(pTableName, db);
const char* tname = tNameGetTableName(pTableName);
int32_t code = copyTableSchemaMeta(db, tname, &table);
if (TSDB_CODE_SUCCESS != code) {
return code;
}
*pTableMeta = table.release();
return TSDB_CODE_SUCCESS;
}
int32_t catalogGetTableHashVgroup(const SName* pTableName, SVgroupInfo* vgInfo) const {
// todo
vgInfo->vgId = 1;
addEpIntoEpSet(&vgInfo->epset, "node1", 6030);
return 0;
}
TableBuilder& createTableBuilder(const std::string& db, const std::string& tbname, int8_t tableType, int32_t numOfColumns, int32_t numOfTags) {
builder_ = TableBuilder::createTableBuilder(tableType, numOfColumns, numOfTags);
meta_[db][tbname] = builder_->table();
meta_[db][tbname]->schema->uid = id_++;
return *(builder_.get());
}
void createSubTable(const std::string& db, const std::string& stbname, const std::string& tbname, int16_t vgid) {
std::unique_ptr<STableMeta> table;
if (TSDB_CODE_SUCCESS != copyTableSchemaMeta(db, stbname, &table)) {
throw std::runtime_error("copyTableSchemaMeta failed");
}
meta_[db][tbname].reset(new MockTableMeta());
meta_[db][tbname]->schema.reset(table.release());
meta_[db][tbname]->schema->uid = id_++;
SVgroupInfo vgroup = {.vgId = vgid, .hashBegin = 0, .hashEnd = 0,};
addEpIntoEpSet(&vgroup.epset, "dnode_1", 6030);
addEpIntoEpSet(&vgroup.epset, "dnode_2", 6030);
addEpIntoEpSet(&vgroup.epset, "dnode_3", 6030);
vgroup.epset.inUse = 0;
meta_[db][tbname]->vgs.emplace_back(vgroup);
// super table
meta_[db][stbname]->vgs.emplace_back(vgroup);
}
void showTables() const {
// number of forward fills
#define NOF(n) ((n) / 2)
// number of backward fills
#define NOB(n) ((n) % 2 ? (n) / 2 + 1 : (n) / 2)
// center aligned
#define CA(n, s) std::setw(NOF((n) - (s).length())) << "" << (s) << std::setw(NOB((n) - (s).length())) << "" << "|"
// string field length
#define SFL 20
// string field header
#define SH(h) CA(SFL, std::string(h))
// string field
#define SF(n) CA(SFL, n)
// integer field length
#define IFL 10
// integer field header
#define IH(i) CA(IFL, std::string(i))
// integer field
#define IF(i) CA(IFL, std::to_string(i))
// split line
#define SL(sn, in) std::setfill('=') << std::setw((sn) * (SFL + 1) + (in) * (IFL + 1)) << "" << std::setfill(' ')
for (const auto& db : meta_) {
std::cout << "Databse:" << db.first << std::endl;
std::cout << SH("Table") << SH("Type") << SH("Precision") << IH("Vgid") << IH("RowSize") << std::endl;
std::cout << SL(3, 1) << std::endl;
for (const auto& table : db.second) {
const auto& schema = table.second->schema;
std::cout << SF(table.first) << SF(ttToString(schema->tableType)) << SF(pToString(schema->tableInfo.precision)) << IF(schema->vgId) << IF(schema->tableInfo.rowSize) << std::endl;
}
std::cout << std::endl;
}
for (const auto& db : meta_) {
for (const auto& table : db.second) {
const auto& schema = table.second->schema;
std::cout << "Table:" << table.first << std::endl;
std::cout << SH("Field") << SH("Type") << SH("DataType") << IH("Bytes") << std::endl;
std::cout << SL(3, 1) << std::endl;
int16_t numOfTags = schema->tableInfo.numOfTags;
int16_t numOfFields = numOfTags + schema->tableInfo.numOfColumns;
for (int16_t i = 0; i < numOfFields; ++i) {
const SSchema* col = schema->schema + i;
std::cout << SF(std::string(col->name)) << SH(ftToString(i, numOfTags)) << SH(dtToString(col->type)) << IF(col->bytes) << std::endl;
}
std::cout << std::endl;
}
}
}
std::shared_ptr<MockTableMeta> getTableMeta(const std::string& db, const std::string& tbname) const {
DbMetaCache::const_iterator it = meta_.find(db);
if (meta_.end() == it) {
return std::shared_ptr<MockTableMeta>();
}
TableMetaCache::const_iterator tit = it->second.find(tbname);
if (it->second.end() == tit) {
return std::shared_ptr<MockTableMeta>();
}
return tit->second;
}
private:
typedef std::map<std::string, std::shared_ptr<MockTableMeta>> TableMetaCache;
typedef std::map<std::string, TableMetaCache> DbMetaCache;
std::string toDbname(const std::string& dbFullName) const {
std::string::size_type n = dbFullName.find(".");
if (n == std::string::npos) {
return dbFullName;
}
return dbFullName.substr(n + 1);
}
std::string ttToString(int8_t tableType) const {
switch (tableType) {
case TSDB_SUPER_TABLE:
return "super table";
case TSDB_CHILD_TABLE:
return "child table";
case TSDB_NORMAL_TABLE:
return "normal table";
default:
return "unknown";
}
}
std::string pToString(uint8_t precision) const {
switch (precision) {
case TSDB_TIME_PRECISION_MILLI:
return "millisecond";
case TSDB_TIME_PRECISION_MICRO:
return "microsecond";
case TSDB_TIME_PRECISION_NANO:
return "nanosecond";
default:
return "unknown";
}
}
std::string dtToString(int8_t type) const {
return tDataTypes[type].name;
}
std::string ftToString(int16_t colid, int16_t numOfTags) const {
return (0 == colid ? "column" : (colid <= numOfTags ? "tag" : "column"));
}
std::shared_ptr<STableMeta> getTableSchemaMeta(const std::string& db, const std::string& tbname) const {
std::shared_ptr<MockTableMeta> table = getTableMeta(db, tbname);
return table ? table->schema : std::shared_ptr<STableMeta>();
}
int32_t copyTableSchemaMeta(const std::string& db, const std::string& tbname, std::unique_ptr<STableMeta>* dst) const {
std::shared_ptr<STableMeta> src = getTableSchemaMeta(db, tbname);
if (!src) {
return TSDB_CODE_TSC_INVALID_TABLE_NAME;
}
int32_t len = sizeof(STableMeta) + sizeof(SSchema) * (src->tableInfo.numOfTags + src->tableInfo.numOfColumns);
dst->reset((STableMeta*)std::calloc(1, len));
if (!dst) {
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
memcpy(dst->get(), src.get(), len);
return TSDB_CODE_SUCCESS;
}
uint64_t id_;
std::unique_ptr<TableBuilder> builder_;
DbMetaCache meta_;
};
MockCatalogService::MockCatalogService() : impl_(new MockCatalogServiceImpl()) {
}
MockCatalogService::~MockCatalogService() {
}
ITableBuilder& MockCatalogService::createTableBuilder(const std::string& db, const std::string& tbname, int8_t tableType, int32_t numOfColumns, int32_t numOfTags) {
return impl_->createTableBuilder(db, tbname, tableType, numOfColumns, numOfTags);
}
void MockCatalogService::createSubTable(const std::string& db, const std::string& stbname, const std::string& tbname, int16_t vgid) {
impl_->createSubTable(db, stbname, tbname, vgid);
}
void MockCatalogService::showTables() const {
impl_->showTables();
}
std::shared_ptr<MockTableMeta> MockCatalogService::getTableMeta(const std::string& db, const std::string& tbname) const {
return impl_->getTableMeta(db, tbname);
}
int32_t MockCatalogService::catalogGetTableMeta(const SName* pTableName, STableMeta** pTableMeta) const {
return impl_->catalogGetTableMeta(pTableName, pTableMeta);
}
int32_t MockCatalogService::catalogGetTableHashVgroup(const SName* pTableName, SVgroupInfo* vgInfo) const {
return impl_->catalogGetTableHashVgroup(pTableName, vgInfo);
}