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-rw-r--r--src/iso19111/factory.cpp1928
1 files changed, 1885 insertions, 43 deletions
diff --git a/src/iso19111/factory.cpp b/src/iso19111/factory.cpp
index fbe88dda..421cdb88 100644
--- a/src/iso19111/factory.cpp
+++ b/src/iso19111/factory.cpp
@@ -49,9 +49,11 @@
#include "sqlite3_utils.hpp"
+#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <cstring>
+#include <functional>
#include <iomanip>
#include <limits>
#include <locale>
@@ -101,15 +103,20 @@ constexpr int DATABASE_LAYOUT_VERSION_MAJOR = 1;
// must be incremented.
constexpr int DATABASE_LAYOUT_VERSION_MINOR = 0;
+constexpr size_t N_MAX_PARAMS = 7;
+
// ---------------------------------------------------------------------------
struct SQLValues {
- enum class Type { STRING, DOUBLE };
+ enum class Type { STRING, INT, DOUBLE };
// cppcheck-suppress noExplicitConstructor
SQLValues(const std::string &value) : type_(Type::STRING), str_(value) {}
// cppcheck-suppress noExplicitConstructor
+ SQLValues(int value) : type_(Type::INT), int_(value) {}
+
+ // cppcheck-suppress noExplicitConstructor
SQLValues(double value) : type_(Type::DOUBLE), double_(value) {}
const Type &type() const { return type_; }
@@ -118,11 +125,15 @@ struct SQLValues {
const std::string &stringValue() const { return str_; }
// cppcheck-suppress functionStatic
+ int intValue() const { return int_; }
+
+ // cppcheck-suppress functionStatic
double doubleValue() const { return double_; }
private:
Type type_;
std::string str_{};
+ int int_ = 0;
double double_ = 0.0;
};
@@ -255,9 +266,16 @@ struct DatabaseContext::Private {
private:
friend class DatabaseContext;
+ // This is a manual implementation of std::enable_shared_from_this<> that
+ // avoids publicly deriving from it.
+ std::weak_ptr<DatabaseContext> self_{};
+
std::string databasePath_{};
+ std::vector<std::string> auxiliaryDatabasePaths_{};
bool close_handle_ = true;
sqlite3 *sqlite_handle_{};
+ int nLayoutVersionMajor_ = 0;
+ int nLayoutVersionMinor_ = 0;
std::map<std::string, sqlite3_stmt *> mapSqlToStatement_{};
PJ_CONTEXT *pjCtxt_ = nullptr;
int recLevel_ = 0;
@@ -265,6 +283,10 @@ struct DatabaseContext::Private {
std::string lastMetadataValue_{};
std::map<std::string, std::list<SQLRow>> mapCanonicalizeGRFName_{};
+ // Used by startInsertStatementsSession() and related functions
+ std::string memoryDbForInsertPath_{};
+ sqlite3 *memoryDbHandle_ = nullptr;
+
using LRUCacheOfObjects = lru11::Cache<std::string, util::BaseObjectPtr>;
static constexpr size_t CACHE_SIZE = 128;
@@ -285,7 +307,8 @@ struct DatabaseContext::Private {
lru11::Cache<std::string, std::list<std::string>> cacheAliasNames_{
CACHE_SIZE};
- void checkDatabaseLayout();
+ void checkDatabaseLayout(const std::string &path,
+ const std::string &dbNamePrefix);
static void insertIntoCache(LRUCacheOfObjects &cache,
const std::string &code,
@@ -296,9 +319,99 @@ struct DatabaseContext::Private {
void closeDB() noexcept;
+ void clearCaches();
+
// cppcheck-suppress functionStatic
void registerFunctions();
+ std::string findFreeCode(const std::string &tableName,
+ const std::string &authName,
+ const std::string &codePrototype);
+
+ void identify(const DatabaseContextNNPtr &dbContext,
+ const cs::CoordinateSystemNNPtr &obj, std::string &authName,
+ std::string &code);
+ void identifyOrInsert(const DatabaseContextNNPtr &dbContext,
+ const cs::CoordinateSystemNNPtr &obj,
+ const std::string &ownerType,
+ const std::string &ownerAuthName,
+ const std::string &ownerCode, std::string &authName,
+ std::string &code,
+ std::vector<std::string> &sqlStatements);
+
+ void identify(const DatabaseContextNNPtr &dbContext,
+ const common::UnitOfMeasure &obj, std::string &authName,
+ std::string &code);
+ void identifyOrInsert(const DatabaseContextNNPtr &dbContext,
+ const common::UnitOfMeasure &unit,
+ const std::string &ownerAuthName,
+ std::string &authName, std::string &code,
+ std::vector<std::string> &sqlStatements);
+
+ void appendSql(std::vector<std::string> &sqlStatements,
+ const std::string &sql);
+
+ void
+ identifyOrInsertUsages(const common::ObjectUsageNNPtr &obj,
+ const std::string &tableName,
+ const std::string &authName, const std::string &code,
+ const std::vector<std::string> &allowedAuthorities,
+ std::vector<std::string> &sqlStatements);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const datum::PrimeMeridianNNPtr &pm,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const datum::EllipsoidNNPtr &ellipsoid,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const datum::GeodeticReferenceFrameNNPtr &datum,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const datum::DatumEnsembleNNPtr &ensemble,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const crs::GeodeticCRSNNPtr &crs,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const crs::ProjectedCRSNNPtr &crs,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const datum::VerticalReferenceFrameNNPtr &datum,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const crs::VerticalCRSNNPtr &crs,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
+ std::vector<std::string>
+ getInsertStatementsFor(const crs::CompoundCRSNNPtr &crs,
+ const std::string &authName, const std::string &code,
+ bool numericCode,
+ const std::vector<std::string> &allowedAuthorities);
+
#ifdef ENABLE_CUSTOM_LOCKLESS_VFS
std::unique_ptr<SQLite3VFS> vfs_{};
#endif
@@ -355,6 +468,24 @@ void DatabaseContext::Private::closeDB() noexcept {
// ---------------------------------------------------------------------------
+void DatabaseContext::Private::clearCaches() {
+
+ cacheUOM_.clear();
+ cacheCRS_.clear();
+ cacheEllipsoid_.clear();
+ cacheGeodeticDatum_.clear();
+ cacheDatumEnsemble_.clear();
+ cachePrimeMeridian_.clear();
+ cacheCS_.clear();
+ cacheExtent_.clear();
+ cacheCRSToCrsCoordOp_.clear();
+ cacheGridInfo_.clear();
+ cacheAllowedAuthorities_.clear();
+ cacheAliasNames_.clear();
+}
+
+// ---------------------------------------------------------------------------
+
void DatabaseContext::Private::insertIntoCache(LRUCacheOfObjects &cache,
const std::string &code,
const util::BaseObjectPtr &obj) {
@@ -581,10 +712,22 @@ void DatabaseContext::Private::open(const std::string &databasePath,
// ---------------------------------------------------------------------------
-void DatabaseContext::Private::checkDatabaseLayout() {
- auto res = run("SELECT key, value FROM metadata WHERE key IN "
+void DatabaseContext::Private::checkDatabaseLayout(
+ const std::string &path, const std::string &dbNamePrefix) {
+ if (!dbNamePrefix.empty() && run("SELECT 1 FROM " + dbNamePrefix +
+ "sqlite_master WHERE name = 'metadata'")
+ .empty()) {
+ // Accept auxiliary databases without metadata table (sparse DBs)
+ return;
+ }
+ auto res = run("SELECT key, value FROM " + dbNamePrefix +
+ "metadata WHERE key IN "
"('DATABASE.LAYOUT.VERSION.MAJOR', "
"'DATABASE.LAYOUT.VERSION.MINOR')");
+ if (res.empty() && !dbNamePrefix.empty()) {
+ // Accept auxiliary databases without layout metadata.
+ return;
+ }
if (res.size() != 2) {
// The database layout of PROJ 7.2 that shipped with EPSG v10.003 is
// at the time of writing still compatible of the one we support.
@@ -602,36 +745,47 @@ void DatabaseContext::Private::checkDatabaseLayout() {
}
throw FactoryException(
- databasePath_ +
- " lacks DATABASE.LAYOUT.VERSION.MAJOR / "
- "DATABASE.LAYOUT.VERSION.MINOR "
- "metadata. It comes from another PROJ installation.");
+ path + " lacks DATABASE.LAYOUT.VERSION.MAJOR / "
+ "DATABASE.LAYOUT.VERSION.MINOR "
+ "metadata. It comes from another PROJ installation.");
}
- int nMajor = 0;
- int nMinor = 0;
+ int major = 0;
+ int minor = 0;
for (const auto &row : res) {
if (row[0] == "DATABASE.LAYOUT.VERSION.MAJOR") {
- nMajor = atoi(row[1].c_str());
+ major = atoi(row[1].c_str());
} else if (row[0] == "DATABASE.LAYOUT.VERSION.MINOR") {
- nMinor = atoi(row[1].c_str());
+ minor = atoi(row[1].c_str());
}
}
- if (nMajor != DATABASE_LAYOUT_VERSION_MAJOR) {
+ if (major != DATABASE_LAYOUT_VERSION_MAJOR) {
throw FactoryException(
- databasePath_ +
- " contains DATABASE.LAYOUT.VERSION.MAJOR = " + toString(nMajor) +
+ path +
+ " contains DATABASE.LAYOUT.VERSION.MAJOR = " + toString(major) +
" whereas " + toString(DATABASE_LAYOUT_VERSION_MAJOR) +
" is expected. "
"It comes from another PROJ installation.");
}
- if (nMinor < DATABASE_LAYOUT_VERSION_MINOR) {
+ if (minor < DATABASE_LAYOUT_VERSION_MINOR) {
throw FactoryException(
- databasePath_ +
- " contains DATABASE.LAYOUT.VERSION.MINOR = " + toString(nMinor) +
+ path +
+ " contains DATABASE.LAYOUT.VERSION.MINOR = " + toString(minor) +
" whereas a number >= " + toString(DATABASE_LAYOUT_VERSION_MINOR) +
" is expected. "
"It comes from another PROJ installation.");
}
+ if (dbNamePrefix.empty()) {
+ nLayoutVersionMajor_ = major;
+ nLayoutVersionMinor_ = minor;
+ } else if (nLayoutVersionMajor_ != major || nLayoutVersionMinor_ != minor) {
+ throw FactoryException(
+ "Auxiliary database " + path +
+ " contains a DATABASE.LAYOUT.VERSION = " + toString(major) + '.' +
+ toString(minor) +
+ " which is different from the one from the main database " +
+ databasePath_ + " which is " + toString(nLayoutVersionMajor_) +
+ '.' + toString(nLayoutVersionMinor_));
+ }
}
// ---------------------------------------------------------------------------
@@ -649,17 +803,28 @@ void DatabaseContext::Private::setHandle(sqlite3 *sqlite_handle) {
// ---------------------------------------------------------------------------
std::vector<std::string> DatabaseContext::Private::getDatabaseStructure() {
- const char *sqls[] = {
- "SELECT sql FROM sqlite_master WHERE type = 'table'",
- "SELECT sql FROM sqlite_master WHERE type = 'view'",
- "SELECT sql FROM sqlite_master WHERE type = 'trigger'"};
+ const std::string dbNamePrefix(auxiliaryDatabasePaths_.empty() &&
+ memoryDbForInsertPath_.empty()
+ ? ""
+ : "db_0.");
+ const auto sqlBegin("SELECT sql||';' FROM " + dbNamePrefix +
+ "sqlite_master WHERE type = ");
+ const char *const objectTypes[] = {"'table'", "'view'", "'trigger'"};
std::vector<std::string> res;
- for (const auto &sql : sqls) {
- auto sqlRes = run(sql);
+ for (const auto &objectType : objectTypes) {
+ const auto sqlRes = run(sqlBegin + objectType);
for (const auto &row : sqlRes) {
res.emplace_back(row[0]);
}
}
+ if (nLayoutVersionMajor_ > 0) {
+ res.emplace_back(
+ "INSERT INTO metadata VALUES('DATABASE.LAYOUT.VERSION.MAJOR'," +
+ toString(nLayoutVersionMajor_) + ");");
+ res.emplace_back(
+ "INSERT INTO metadata VALUES('DATABASE.LAYOUT.VERSION.MINOR'," +
+ toString(nLayoutVersionMinor_) + ");");
+ }
return res;
}
@@ -684,6 +849,10 @@ void DatabaseContext::Private::attachExtraDatabases(
}
closeDB();
+ if (auxiliaryDatabasePaths.empty()) {
+ open(databasePath_, pjCtxt());
+ return;
+ }
sqlite3_open_v2(
":memory:", &sqlite_handle_,
@@ -696,13 +865,16 @@ void DatabaseContext::Private::attachExtraDatabases(
"' AS db_0");
detach_ = true;
int count = 1;
- for (const auto &otherDb : auxiliaryDatabasePaths) {
+ for (const auto &otherDbPath : auxiliaryDatabasePaths) {
+ const auto attachedDbName("db_" + toString(static_cast<int>(count)));
std::string sql = "ATTACH DATABASE '";
- sql += replaceAll(otherDb, "'", "''");
- sql += "' AS db_";
- sql += toString(static_cast<int>(count));
+ sql += replaceAll(otherDbPath, "'", "''");
+ sql += "' AS ";
+ sql += attachedDbName;
count++;
run(sql);
+
+ checkDatabaseLayout(otherDbPath, attachedDbName + '.');
}
for (const auto &pair : tableStructure) {
@@ -850,13 +1022,16 @@ SQLResultSet DatabaseContext::Private::run(const std::string &sql,
int nBindField = 1;
for (const auto &param : parameters) {
- if (param.type() == SQLValues::Type::STRING) {
+ const auto paramType = param.type();
+ if (paramType == SQLValues::Type::STRING) {
auto strValue = param.stringValue();
sqlite3_bind_text(stmt, nBindField, strValue.c_str(),
static_cast<int>(strValue.size()),
SQLITE_TRANSIENT);
+ } else if (paramType == SQLValues::Type::INT) {
+ sqlite3_bind_int(stmt, nBindField, param.intValue());
} else {
- assert(param.type() == SQLValues::Type::DOUBLE);
+ assert(paramType == SQLValues::Type::DOUBLE);
sqlite3_bind_double(stmt, nBindField, param.doubleValue());
}
nBindField++;
@@ -869,8 +1044,11 @@ SQLResultSet DatabaseContext::Private::run(const std::string &sql,
nPos = sqlSubst.find('?', nPos);
assert(nPos != std::string::npos);
std::string strValue;
- if (param.type() == SQLValues::Type::STRING) {
+ const auto paramType = param.type();
+ if (paramType == SQLValues::Type::STRING) {
strValue = '\'' + param.stringValue() + '\'';
+ } else if (paramType == SQLValues::Type::INT) {
+ strValue = toString(param.intValue());
} else {
strValue = toString(param.doubleValue());
}
@@ -915,12 +1093,1379 @@ SQLResultSet DatabaseContext::Private::run(const std::string &sql,
return result;
}
+// ---------------------------------------------------------------------------
+
+static std::string formatStatement(const char *fmt, ...) {
+ std::string res;
+ va_list args;
+ va_start(args, fmt);
+ for (int i = 0; fmt[i] != '\0'; ++i) {
+ if (fmt[i] == '%') {
+ if (fmt[i + 1] == '%') {
+ res += '%';
+ } else if (fmt[i + 1] == 'q') {
+ const char *arg = va_arg(args, const char *);
+ for (int j = 0; arg[j] != '\0'; ++j) {
+ if (arg[j] == '\'')
+ res += arg[j];
+ res += arg[j];
+ }
+ } else if (fmt[i + 1] == 's') {
+ const char *arg = va_arg(args, const char *);
+ res += arg;
+ } else if (fmt[i + 1] == 'f') {
+ const double arg = va_arg(args, double);
+ res += toString(arg);
+ } else if (fmt[i + 1] == 'd') {
+ const int arg = va_arg(args, int);
+ res += toString(arg);
+ } else {
+ va_end(args);
+ throw FactoryException(
+ "Unsupported formatter in formatStatement()");
+ }
+ ++i;
+ } else {
+ res += fmt[i];
+ }
+ }
+ va_end(args);
+ return res;
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::appendSql(
+ std::vector<std::string> &sqlStatements, const std::string &sql) {
+ sqlStatements.emplace_back(sql);
+ char *errMsg = nullptr;
+ if (sqlite3_exec(memoryDbHandle_, sql.c_str(), nullptr, nullptr, &errMsg) !=
+ SQLITE_OK) {
+ std::string s("Cannot execute " + sql);
+ if (errMsg) {
+ s += " : ";
+ s += errMsg;
+ }
+ sqlite3_free(errMsg);
+ throw FactoryException(s);
+ }
+ sqlite3_free(errMsg);
+}
+
+// ---------------------------------------------------------------------------
+
+static void identifyFromNameOrCode(
+ const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent, const common::IdentifiedObjectNNPtr &obj,
+ std::function<std::shared_ptr<util::IComparable>(
+ const AuthorityFactoryNNPtr &authFactory, const std::string &)>
+ instantiateFunc,
+ AuthorityFactory::ObjectType objType, std::string &authName,
+ std::string &code) {
+
+ auto allowedAuthoritiesTmp(allowedAuthorities);
+ allowedAuthoritiesTmp.emplace_back(authNameParent);
+
+ for (const auto &id : obj->identifiers()) {
+ try {
+ const auto idAuthName = *(id->codeSpace());
+ if (std::find(allowedAuthoritiesTmp.begin(),
+ allowedAuthoritiesTmp.end(),
+ idAuthName) != allowedAuthoritiesTmp.end()) {
+ const auto factory =
+ AuthorityFactory::create(dbContext, idAuthName);
+ if (instantiateFunc(factory, id->code())
+ ->isEquivalentTo(
+ obj.get(),
+ util::IComparable::Criterion::EQUIVALENT)) {
+ authName = idAuthName;
+ code = id->code();
+ return;
+ }
+ }
+ } catch (const std::exception &) {
+ }
+ }
+
+ for (const auto &allowedAuthority : allowedAuthoritiesTmp) {
+ const auto factory =
+ AuthorityFactory::create(dbContext, allowedAuthority);
+ const auto candidates =
+ factory->createObjectsFromName(obj->nameStr(), {objType}, false, 0);
+ for (const auto &candidate : candidates) {
+ const auto &ids = candidate->identifiers();
+ if (!ids.empty() &&
+ candidate->isEquivalentTo(
+ obj.get(), util::IComparable::Criterion::EQUIVALENT)) {
+ const auto &id = ids.front();
+ authName = *(id->codeSpace());
+ code = id->code();
+ return;
+ }
+ }
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::DatumEnsembleNNPtr &obj,
+ std::string &authName, std::string &code) {
+ const char *type = "geodetic_datum";
+ if (!obj->datums().empty() &&
+ dynamic_cast<const datum::VerticalReferenceFrame *>(
+ obj->datums().front().get())) {
+ type = "vertical_datum";
+ }
+ const auto instantiateFunc =
+ [&type](const AuthorityFactoryNNPtr &authFactory,
+ const std::string &lCode) {
+ return util::nn_static_pointer_cast<util::IComparable>(
+ authFactory->createDatumEnsemble(lCode, type));
+ };
+ identifyFromNameOrCode(
+ dbContext, allowedAuthorities, authNameParent, obj, instantiateFunc,
+ AuthorityFactory::ObjectType::DATUM_ENSEMBLE, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::GeodeticReferenceFrameNNPtr &obj,
+ std::string &authName, std::string &code) {
+ const auto instantiateFunc = [](const AuthorityFactoryNNPtr &authFactory,
+ const std::string &lCode) {
+ return util::nn_static_pointer_cast<util::IComparable>(
+ authFactory->createGeodeticDatum(lCode));
+ };
+ identifyFromNameOrCode(
+ dbContext, allowedAuthorities, authNameParent, obj, instantiateFunc,
+ AuthorityFactory::ObjectType::GEODETIC_REFERENCE_FRAME, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::EllipsoidNNPtr &obj, std::string &authName,
+ std::string &code) {
+ const auto instantiateFunc = [](const AuthorityFactoryNNPtr &authFactory,
+ const std::string &lCode) {
+ return util::nn_static_pointer_cast<util::IComparable>(
+ authFactory->createEllipsoid(lCode));
+ };
+ identifyFromNameOrCode(
+ dbContext, allowedAuthorities, authNameParent, obj, instantiateFunc,
+ AuthorityFactory::ObjectType::ELLIPSOID, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::PrimeMeridianNNPtr &obj,
+ std::string &authName, std::string &code) {
+ const auto instantiateFunc = [](const AuthorityFactoryNNPtr &authFactory,
+ const std::string &lCode) {
+ return util::nn_static_pointer_cast<util::IComparable>(
+ authFactory->createPrimeMeridian(lCode));
+ };
+ identifyFromNameOrCode(
+ dbContext, allowedAuthorities, authNameParent, obj, instantiateFunc,
+ AuthorityFactory::ObjectType::PRIME_MERIDIAN, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::VerticalReferenceFrameNNPtr &obj,
+ std::string &authName, std::string &code) {
+ const auto instantiateFunc = [](const AuthorityFactoryNNPtr &authFactory,
+ const std::string &lCode) {
+ return util::nn_static_pointer_cast<util::IComparable>(
+ authFactory->createVerticalDatum(lCode));
+ };
+ identifyFromNameOrCode(
+ dbContext, allowedAuthorities, authNameParent, obj, instantiateFunc,
+ AuthorityFactory::ObjectType::VERTICAL_REFERENCE_FRAME, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+identifyFromNameOrCode(const DatabaseContextNNPtr &dbContext,
+ const std::vector<std::string> &allowedAuthorities,
+ const std::string &authNameParent,
+ const datum::DatumNNPtr &obj, std::string &authName,
+ std::string &code) {
+ if (const auto geodeticDatum =
+ util::nn_dynamic_pointer_cast<datum::GeodeticReferenceFrame>(obj)) {
+ identifyFromNameOrCode(dbContext, allowedAuthorities, authNameParent,
+ NN_NO_CHECK(geodeticDatum), authName, code);
+ } else if (const auto verticalDatum =
+ util::nn_dynamic_pointer_cast<datum::VerticalReferenceFrame>(
+ obj)) {
+ identifyFromNameOrCode(dbContext, allowedAuthorities, authNameParent,
+ NN_NO_CHECK(verticalDatum), authName, code);
+ } else {
+ throw FactoryException("Unhandled type of datum");
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+static const char *getCSDatabaseType(const cs::CoordinateSystemNNPtr &obj) {
+ if (dynamic_cast<const cs::EllipsoidalCS *>(obj.get())) {
+ return "ellipsoidal";
+ } else if (dynamic_cast<const cs::CartesianCS *>(obj.get())) {
+ return "Cartesian";
+ } else if (dynamic_cast<const cs::VerticalCS *>(obj.get())) {
+ return "vertical";
+ }
+ return nullptr;
+}
+
+// ---------------------------------------------------------------------------
+
+std::string
+DatabaseContext::Private::findFreeCode(const std::string &tableName,
+ const std::string &authName,
+ const std::string &codePrototype) {
+ std::string code(codePrototype);
+ if (run("SELECT 1 FROM " + tableName + " WHERE auth_name = ? AND code = ?",
+ {authName, code})
+ .empty()) {
+ return code;
+ }
+
+ for (int counter = 2; counter < 10; counter++) {
+ code = codePrototype + '_' + toString(counter);
+ if (run("SELECT 1 FROM " + tableName +
+ " WHERE auth_name = ? AND code = ?",
+ {authName, code})
+ .empty()) {
+ return code;
+ }
+ }
+
+ // shouldn't happen hopefully...
+ throw FactoryException("Cannot insert " + tableName +
+ ": too many similar codes");
+}
+
+// ---------------------------------------------------------------------------
+
+static const char *getUnitDatabaseType(const common::UnitOfMeasure &unit) {
+ switch (unit.type()) {
+ case common::UnitOfMeasure::Type::LINEAR:
+ return "length";
+
+ case common::UnitOfMeasure::Type::ANGULAR:
+ return "angle";
+
+ case common::UnitOfMeasure::Type::SCALE:
+ return "scale";
+
+ case common::UnitOfMeasure::Type::TIME:
+ return "time";
+
+ default:
+ break;
+ }
+ return nullptr;
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::identify(const DatabaseContextNNPtr &dbContext,
+ const common::UnitOfMeasure &obj,
+ std::string &authName,
+ std::string &code) {
+ // Identify quickly a few well-known units
+ const double convFactor = obj.conversionToSI();
+ switch (obj.type()) {
+ case common::UnitOfMeasure::Type::LINEAR: {
+ if (convFactor == 1.0) {
+ authName = metadata::Identifier::EPSG;
+ code = "9001";
+ return;
+ }
+ break;
+ }
+ case common::UnitOfMeasure::Type::ANGULAR: {
+ constexpr double CONV_FACTOR_DEGREE = 1.74532925199432781271e-02;
+ if (std::abs(convFactor - CONV_FACTOR_DEGREE) <=
+ 1e-10 * CONV_FACTOR_DEGREE) {
+ authName = metadata::Identifier::EPSG;
+ code = "9102";
+ return;
+ }
+ break;
+ }
+ case common::UnitOfMeasure::Type::SCALE: {
+ if (convFactor == 1.0) {
+ authName = metadata::Identifier::EPSG;
+ code = "9201";
+ return;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ std::string sql("SELECT auth_name, code FROM unit_of_measure "
+ "WHERE abs(conv_factor - ?) <= 1e-10 * conv_factor");
+ ListOfParams params{convFactor};
+ const char *type = getUnitDatabaseType(obj);
+ if (type) {
+ sql += " AND type = ?";
+ params.emplace_back(std::string(type));
+ }
+ sql += " ORDER BY auth_name, code";
+ const auto res = run(sql, params);
+ for (const auto &row : res) {
+ const auto &rowAuthName = row[0];
+ const auto &rowCode = row[1];
+ const auto tmpAuthFactory =
+ AuthorityFactory::create(dbContext, rowAuthName);
+ try {
+ tmpAuthFactory->createUnitOfMeasure(rowCode);
+ authName = rowAuthName;
+ code = rowCode;
+ return;
+ } catch (const std::exception &) {
+ }
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::identifyOrInsert(
+ const DatabaseContextNNPtr &dbContext, const common::UnitOfMeasure &unit,
+ const std::string &ownerAuthName, std::string &authName, std::string &code,
+ std::vector<std::string> &sqlStatements) {
+ authName = unit.codeSpace();
+ code = unit.code();
+ if (authName.empty()) {
+ identify(dbContext, unit, authName, code);
+ }
+ if (!authName.empty()) {
+ return;
+ }
+ const char *type = getUnitDatabaseType(unit);
+ if (type == nullptr) {
+ throw FactoryException("Cannot insert this type of UnitOfMeasure");
+ }
+
+ // Insert new record
+ authName = ownerAuthName;
+ const std::string codePrototype(replaceAll(toupper(unit.name()), " ", "_"));
+ code = findFreeCode("unit_of_measure", authName, codePrototype);
+
+ const auto sql = formatStatement(
+ "INSERT INTO unit_of_measure VALUES('%q','%q','%q','%q',%f,NULL,0);",
+ authName.c_str(), code.c_str(), unit.name().c_str(), type,
+ unit.conversionToSI());
+ appendSql(sqlStatements, sql);
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::identify(const DatabaseContextNNPtr &dbContext,
+ const cs::CoordinateSystemNNPtr &obj,
+ std::string &authName,
+ std::string &code) {
+
+ const auto &axisList = obj->axisList();
+ if (axisList.size() == 1U &&
+ axisList[0]->unit()._isEquivalentTo(UnitOfMeasure::METRE) &&
+ &(axisList[0]->direction()) == &cs::AxisDirection::UP &&
+ (axisList[0]->nameStr() == "Up" ||
+ axisList[0]->nameStr() == "Gravity-related height")) {
+ // preferred coordinate system for gravity-related height
+ authName = metadata::Identifier::EPSG;
+ code = "6499";
+ return;
+ }
+
+ std::string sql(
+ "SELECT auth_name, code FROM coordinate_system WHERE dimension = ?");
+ ListOfParams params{static_cast<int>(axisList.size())};
+ const char *type = getCSDatabaseType(obj);
+ if (type) {
+ sql += " AND type = ?";
+ params.emplace_back(std::string(type));
+ }
+ sql += " ORDER BY auth_name, code";
+ const auto res = run(sql, params);
+ for (const auto &row : res) {
+ const auto &rowAuthName = row[0];
+ const auto &rowCode = row[1];
+ const auto tmpAuthFactory =
+ AuthorityFactory::create(dbContext, rowAuthName);
+ try {
+ const auto cs = tmpAuthFactory->createCoordinateSystem(rowCode);
+ if (cs->_isEquivalentTo(obj.get(),
+ util::IComparable::Criterion::EQUIVALENT)) {
+ authName = rowAuthName;
+ code = rowCode;
+ if (authName == metadata::Identifier::EPSG && code == "4400") {
+ // preferred coordinate system for cartesian
+ // Easting, Northing
+ return;
+ }
+ if (authName == metadata::Identifier::EPSG && code == "6422") {
+ // preferred coordinate system for geographic lat, lon
+ return;
+ }
+ if (authName == metadata::Identifier::EPSG && code == "6423") {
+ // preferred coordinate system for geographic lat, lon, h
+ return;
+ }
+ }
+ } catch (const std::exception &) {
+ }
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::identifyOrInsert(
+ const DatabaseContextNNPtr &dbContext, const cs::CoordinateSystemNNPtr &obj,
+ const std::string &ownerType, const std::string &ownerAuthName,
+ const std::string &ownerCode, std::string &authName, std::string &code,
+ std::vector<std::string> &sqlStatements) {
+
+ identify(dbContext, obj, authName, code);
+ if (!authName.empty()) {
+ return;
+ }
+
+ const char *type = getCSDatabaseType(obj);
+ if (type == nullptr) {
+ throw FactoryException("Cannot insert this type of CoordinateSystem");
+ }
+
+ // Insert new record in coordinate_system
+ authName = ownerAuthName;
+ const std::string codePrototype("CS_" + ownerType + '_' + ownerCode);
+ code = findFreeCode("coordinate_system", authName, codePrototype);
+
+ const auto &axisList = obj->axisList();
+ {
+ const auto sql = formatStatement(
+ "INSERT INTO coordinate_system VALUES('%q','%q','%q',%d);",
+ authName.c_str(), code.c_str(), type,
+ static_cast<int>(axisList.size()));
+ appendSql(sqlStatements, sql);
+ }
+
+ // Insert new records for the axis
+ for (int i = 0; i < static_cast<int>(axisList.size()); ++i) {
+ const auto &axis = axisList[i];
+ std::string uomAuthName;
+ std::string uomCode;
+ identifyOrInsert(dbContext, axis->unit(), ownerAuthName, uomAuthName,
+ uomCode, sqlStatements);
+ const auto sql = formatStatement(
+ "INSERT INTO axis VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q',%d,'%q','%q');",
+ authName.c_str(), (code + "_AXIS_" + toString(i + 1)).c_str(),
+ axis->nameStr().c_str(), axis->abbreviation().c_str(),
+ axis->direction().toString().c_str(), authName.c_str(),
+ code.c_str(), i + 1, uomAuthName.c_str(), uomCode.c_str());
+ appendSql(sqlStatements, sql);
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+static void
+addAllowedAuthoritiesCond(const std::vector<std::string> &allowedAuthorities,
+ const std::string &authName, std::string &sql,
+ ListOfParams &params) {
+ sql += "auth_name IN (?";
+ params.emplace_back(authName);
+ for (const auto &allowedAuthority : allowedAuthorities) {
+ sql += ",?";
+ params.emplace_back(allowedAuthority);
+ }
+ sql += ')';
+}
+
+// ---------------------------------------------------------------------------
+
+void DatabaseContext::Private::identifyOrInsertUsages(
+ const common::ObjectUsageNNPtr &obj, const std::string &tableName,
+ const std::string &authName, const std::string &code,
+ const std::vector<std::string> &allowedAuthorities,
+ std::vector<std::string> &sqlStatements) {
+
+ std::string usageCode("USAGE_");
+ const std::string upperTableName(toupper(tableName));
+ if (!starts_with(code, upperTableName)) {
+ usageCode += upperTableName;
+ usageCode += '_';
+ }
+ usageCode += code;
+
+ const auto &domains = obj->domains();
+ if (domains.empty()) {
+ const auto sql =
+ formatStatement("INSERT INTO usage VALUES('%q','%q','%q','%q','%q',"
+ "'PROJ','EXTENT_UNKNOWN','PROJ','SCOPE_UNKNOWN');",
+ authName.c_str(), usageCode.c_str(),
+ tableName.c_str(), authName.c_str(), code.c_str());
+ appendSql(sqlStatements, sql);
+ return;
+ }
+
+ int usageCounter = 1;
+ for (const auto &domain : domains) {
+ std::string scopeAuthName;
+ std::string scopeCode;
+ const auto &scope = domain->scope();
+ if (scope.has_value()) {
+ std::string sql =
+ "SELECT auth_name, code, "
+ "(CASE WHEN auth_name = 'EPSG' THEN 0 ELSE 1 END) "
+ "AS order_idx "
+ "FROM scope WHERE scope = ? AND deprecated = 0 AND ";
+ ListOfParams params{*scope};
+ addAllowedAuthoritiesCond(allowedAuthorities, authName, sql,
+ params);
+ sql += " ORDER BY order_idx, auth_name, code";
+ const auto rows = run(sql, params);
+ if (!rows.empty()) {
+ const auto &row = rows.front();
+ scopeAuthName = row[0];
+ scopeCode = row[1];
+ } else {
+ scopeAuthName = authName;
+ scopeCode = "SCOPE_" + tableName + "_" + code;
+ const auto sqlToInsert = formatStatement(
+ "INSERT INTO scope VALUES('%q','%q','%q',0);",
+ scopeAuthName.c_str(), scopeCode.c_str(), scope->c_str());
+ appendSql(sqlStatements, sqlToInsert);
+ }
+ } else {
+ scopeAuthName = "PROJ";
+ scopeCode = "SCOPE_UNKNOWN";
+ }
+
+ std::string extentAuthName("PROJ");
+ std::string extentCode("EXTENT_UNKNOWN");
+ const auto &extent = domain->domainOfValidity();
+ if (extent) {
+ const auto &geogElts = extent->geographicElements();
+ if (!geogElts.empty()) {
+ const auto bbox =
+ dynamic_cast<const metadata::GeographicBoundingBox *>(
+ geogElts.front().get());
+ if (bbox) {
+ std::string sql =
+ "SELECT auth_name, code, "
+ "(CASE WHEN auth_name = 'EPSG' THEN 0 ELSE 1 END) "
+ "AS order_idx "
+ "FROM extent WHERE south_lat = ? AND north_lat = ? "
+ "AND west_lon = ? AND east_lon = ? AND deprecated = 0 "
+ "AND ";
+ ListOfParams params{
+ bbox->southBoundLatitude(), bbox->northBoundLatitude(),
+ bbox->westBoundLongitude(), bbox->eastBoundLongitude()};
+ addAllowedAuthoritiesCond(allowedAuthorities, authName, sql,
+ params);
+ sql += " ORDER BY order_idx, auth_name, code";
+ const auto rows = run(sql, params);
+ if (!rows.empty()) {
+ const auto &row = rows.front();
+ extentAuthName = row[0];
+ extentCode = row[1];
+ } else {
+ extentAuthName = authName;
+ extentCode = "EXTENT_" + tableName + "_" + code;
+ std::string description(*(extent->description()));
+ if (description.empty()) {
+ description = "unknown";
+ }
+ const auto sqlToInsert = formatStatement(
+ "INSERT INTO extent "
+ "VALUES('%q','%q','%q','%q',%f,%f,%f,%f,0);",
+ extentAuthName.c_str(), extentCode.c_str(),
+ description.c_str(), description.c_str(),
+ bbox->southBoundLatitude(),
+ bbox->northBoundLatitude(),
+ bbox->westBoundLongitude(),
+ bbox->eastBoundLongitude());
+ appendSql(sqlStatements, sqlToInsert);
+ }
+ }
+ }
+ }
+
+ if (domains.size() > 1) {
+ usageCode += '_';
+ usageCode += toString(usageCounter);
+ }
+ const auto sql = formatStatement(
+ "INSERT INTO usage VALUES('%q','%q','%q','%q','%q',"
+ "'%q','%q','%q','%q');",
+ authName.c_str(), usageCode.c_str(), tableName.c_str(),
+ authName.c_str(), code.c_str(), extentAuthName.c_str(),
+ extentCode.c_str(), scopeAuthName.c_str(), scopeCode.c_str());
+ appendSql(sqlStatements, sql);
+
+ usageCounter++;
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const datum::PrimeMeridianNNPtr &pm, const std::string &authName,
+ const std::string &code, bool /*numericCode*/,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ // Check if the object is already known under that code
+ std::string pmAuthName;
+ std::string pmCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, pm, pmAuthName,
+ pmCode);
+ if (pmAuthName == authName && pmCode == code) {
+ return {};
+ }
+
+ std::vector<std::string> sqlStatements;
+
+ // Insert new record in prime_meridian table
+ std::string uomAuthName;
+ std::string uomCode;
+ identifyOrInsert(self, pm->longitude().unit(), authName, uomAuthName,
+ uomCode, sqlStatements);
+
+ const auto sql = formatStatement(
+ "INSERT INTO prime_meridian VALUES("
+ "'%q','%q','%q',%f,'%q','%q',0);",
+ authName.c_str(), code.c_str(), pm->nameStr().c_str(),
+ pm->longitude().value(), uomAuthName.c_str(), uomCode.c_str());
+ appendSql(sqlStatements, sql);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const datum::EllipsoidNNPtr &ellipsoid, const std::string &authName,
+ const std::string &code, bool /*numericCode*/,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ // Check if the object is already known under that code
+ std::string ellipsoidAuthName;
+ std::string ellipsoidCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, ellipsoid,
+ ellipsoidAuthName, ellipsoidCode);
+ if (ellipsoidAuthName == authName && ellipsoidCode == code) {
+ return {};
+ }
+
+ std::vector<std::string> sqlStatements;
+
+ // Find or insert celestial body
+ const auto &semiMajorAxis = ellipsoid->semiMajorAxis();
+ const double semiMajorAxisMetre = semiMajorAxis.getSIValue();
+ constexpr double tolerance = 0.005;
+ std::string bodyAuthName;
+ std::string bodyCode;
+ auto res = run("SELECT auth_name, code, "
+ "(ABS(semi_major_axis - ?) / semi_major_axis ) "
+ "AS rel_error FROM celestial_body WHERE rel_error <= ?",
+ {semiMajorAxisMetre, tolerance});
+ if (!res.empty()) {
+ const auto &row = res.front();
+ bodyAuthName = row[0];
+ bodyCode = row[1];
+ } else {
+ bodyAuthName = authName;
+ bodyCode = "BODY_" + code;
+ const auto bodyName = "Body of " + ellipsoid->nameStr();
+ const auto sql = formatStatement(
+ "INSERT INTO celestial_body VALUES('%q','%q','%q',%f);",
+ bodyAuthName.c_str(), bodyCode.c_str(), bodyName.c_str(),
+ semiMajorAxisMetre);
+ appendSql(sqlStatements, sql);
+ }
+
+ // Insert new record in ellipsoid table
+ std::string uomAuthName;
+ std::string uomCode;
+ identifyOrInsert(self, semiMajorAxis.unit(), authName, uomAuthName, uomCode,
+ sqlStatements);
+ std::string invFlattening("NULL");
+ std::string semiMinorAxis("NULL");
+ if (ellipsoid->isSphere() || ellipsoid->semiMinorAxis().has_value()) {
+ semiMinorAxis = toString(ellipsoid->computeSemiMinorAxis().value());
+ } else {
+ invFlattening = toString(ellipsoid->computedInverseFlattening());
+ }
+
+ const auto sql = formatStatement(
+ "INSERT INTO ellipsoid VALUES("
+ "'%q','%q','%q','%q','%q','%q',%f,'%q','%q',%s,%s,0);",
+ authName.c_str(), code.c_str(), ellipsoid->nameStr().c_str(),
+ "", // description
+ bodyAuthName.c_str(), bodyCode.c_str(), semiMajorAxis.value(),
+ uomAuthName.c_str(), uomCode.c_str(), invFlattening.c_str(),
+ semiMinorAxis.c_str());
+ appendSql(sqlStatements, sql);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const datum::GeodeticReferenceFrameNNPtr &datum,
+ const std::string &authName, const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ // Check if the object is already known under that code
+ std::string datumAuthName;
+ std::string datumCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, datum,
+ datumAuthName, datumCode);
+ if (datumAuthName == authName && datumCode == code) {
+ return {};
+ }
+
+ std::vector<std::string> sqlStatements;
+
+ // Find or insert ellipsoid
+ std::string ellipsoidAuthName;
+ std::string ellipsoidCode;
+ const auto &ellipsoidOfDatum = datum->ellipsoid();
+ identifyFromNameOrCode(self, allowedAuthorities, authName, ellipsoidOfDatum,
+ ellipsoidAuthName, ellipsoidCode);
+ if (ellipsoidAuthName.empty()) {
+ ellipsoidAuthName = authName;
+ if (numericCode) {
+ ellipsoidCode = self->suggestsCodeFor(ellipsoidOfDatum,
+ ellipsoidAuthName, true);
+ } else {
+ ellipsoidCode = "ELLPS_" + code;
+ }
+ sqlStatements = self->getInsertStatementsFor(
+ ellipsoidOfDatum, ellipsoidAuthName, ellipsoidCode, numericCode,
+ allowedAuthorities);
+ }
+
+ // Find or insert prime meridian
+ std::string pmAuthName;
+ std::string pmCode;
+ const auto &pmOfDatum = datum->primeMeridian();
+ identifyFromNameOrCode(self, allowedAuthorities, authName, pmOfDatum,
+ pmAuthName, pmCode);
+ if (pmAuthName.empty()) {
+ pmAuthName = authName;
+ if (numericCode) {
+ pmCode = self->suggestsCodeFor(pmOfDatum, pmAuthName, true);
+ } else {
+ pmCode = "PM_" + code;
+ }
+ const auto sqlStatementsTmp = self->getInsertStatementsFor(
+ pmOfDatum, pmAuthName, pmCode, numericCode, allowedAuthorities);
+ sqlStatements.insert(sqlStatements.end(), sqlStatementsTmp.begin(),
+ sqlStatementsTmp.end());
+ }
+
+ // Insert new record in geodetic_datum table
+ std::string publicationDate("NULL");
+ if (datum->publicationDate().has_value()) {
+ publicationDate = '\'';
+ publicationDate +=
+ replaceAll(datum->publicationDate()->toString(), "'", "''");
+ publicationDate += '\'';
+ }
+ std::string frameReferenceEpoch("NULL");
+ const auto dynamicDatum =
+ dynamic_cast<const datum::DynamicGeodeticReferenceFrame *>(datum.get());
+ if (dynamicDatum) {
+ frameReferenceEpoch =
+ toString(dynamicDatum->frameReferenceEpoch().value());
+ }
+ const auto sql = formatStatement(
+ "INSERT INTO geodetic_datum VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q',%s,%s,NULL,0);",
+ authName.c_str(), code.c_str(), datum->nameStr().c_str(),
+ "", // description
+ ellipsoidAuthName.c_str(), ellipsoidCode.c_str(), pmAuthName.c_str(),
+ pmCode.c_str(), publicationDate.c_str(), frameReferenceEpoch.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(datum, "geodetic_datum", authName, code,
+ allowedAuthorities, sqlStatements);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const datum::DatumEnsembleNNPtr &ensemble, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ // Check if the object is already known under that code
+ std::string datumAuthName;
+ std::string datumCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, ensemble,
+ datumAuthName, datumCode);
+ if (datumAuthName == authName && datumCode == code) {
+ return {};
+ }
+
+ std::vector<std::string> sqlStatements;
+
+ const auto &members = ensemble->datums();
+ assert(!members.empty());
+
+ int counter = 1;
+ std::vector<std::pair<std::string, std::string>> membersId;
+ for (const auto &member : members) {
+ std::string memberAuthName;
+ std::string memberCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, member,
+ memberAuthName, memberCode);
+ if (memberAuthName.empty()) {
+ memberAuthName = authName;
+ if (numericCode) {
+ memberCode =
+ self->suggestsCodeFor(member, memberAuthName, true);
+ } else {
+ memberCode = "MEMBER_" + toString(counter) + "_OF_" + code;
+ }
+ const auto sqlStatementsTmp =
+ self->getInsertStatementsFor(member, memberAuthName, memberCode,
+ numericCode, allowedAuthorities);
+ sqlStatements.insert(sqlStatements.end(), sqlStatementsTmp.begin(),
+ sqlStatementsTmp.end());
+ }
+
+ membersId.emplace_back(
+ std::pair<std::string, std::string>(memberAuthName, memberCode));
+
+ ++counter;
+ }
+
+ const bool isGeodetic =
+ util::nn_dynamic_pointer_cast<datum::GeodeticReferenceFrame>(
+ members.front()) != nullptr;
+
+ // Insert new record in geodetic_datum/vertical_datum table
+ const double accuracy =
+ c_locale_stod(ensemble->positionalAccuracy()->value());
+ if (isGeodetic) {
+ const auto firstDatum =
+ AuthorityFactory::create(self, membersId.front().first)
+ ->createGeodeticDatum(membersId.front().second);
+ const auto &ellipsoid = firstDatum->ellipsoid();
+ const auto &ellipsoidIds = ellipsoid->identifiers();
+ assert(!ellipsoidIds.empty());
+ const std::string &ellipsoidAuthName =
+ *(ellipsoidIds.front()->codeSpace());
+ const std::string &ellipsoidCode = ellipsoidIds.front()->code();
+ const auto &pm = firstDatum->primeMeridian();
+ const auto &pmIds = pm->identifiers();
+ assert(!pmIds.empty());
+ const std::string &pmAuthName = *(pmIds.front()->codeSpace());
+ const std::string &pmCode = pmIds.front()->code();
+ const auto sql = formatStatement(
+ "INSERT INTO geodetic_datum VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q',NULL,NULL,%f,0);",
+ authName.c_str(), code.c_str(), ensemble->nameStr().c_str(),
+ "", // description
+ ellipsoidAuthName.c_str(), ellipsoidCode.c_str(),
+ pmAuthName.c_str(), pmCode.c_str(), accuracy);
+ appendSql(sqlStatements, sql);
+ } else {
+ const auto sql = formatStatement("INSERT INTO vertical_datum VALUES("
+ "'%q','%q','%q','%q',NULL,NULL,%f,0);",
+ authName.c_str(), code.c_str(),
+ ensemble->nameStr().c_str(),
+ "", // description
+ accuracy);
+ appendSql(sqlStatements, sql);
+ }
+ identifyOrInsertUsages(ensemble,
+ isGeodetic ? "geodetic_datum" : "vertical_datum",
+ authName, code, allowedAuthorities, sqlStatements);
+
+ const char *tableName = isGeodetic ? "geodetic_datum_ensemble_member"
+ : "vertical_datum_ensemble_member";
+ counter = 1;
+ for (const auto &authCodePair : membersId) {
+ const auto sql = formatStatement(
+ "INSERT INTO %s VALUES("
+ "'%q','%q','%q','%q',%d);",
+ tableName, authName.c_str(), code.c_str(),
+ authCodePair.first.c_str(), authCodePair.second.c_str(), counter);
+ appendSql(sqlStatements, sql);
+ ++counter;
+ }
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const crs::GeodeticCRSNNPtr &crs, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ std::vector<std::string> sqlStatements;
+
+ // Find or insert datum/datum ensemble
+ std::string datumAuthName;
+ std::string datumCode;
+ const auto &ensemble = crs->datumEnsemble();
+ if (ensemble) {
+ const auto ensembleNN = NN_NO_CHECK(ensemble);
+ identifyFromNameOrCode(self, allowedAuthorities, authName, ensembleNN,
+ datumAuthName, datumCode);
+ if (datumAuthName.empty()) {
+ datumAuthName = authName;
+ if (numericCode) {
+ datumCode =
+ self->suggestsCodeFor(ensembleNN, datumAuthName, true);
+ } else {
+ datumCode = "GEODETIC_DATUM_" + code;
+ }
+ sqlStatements = self->getInsertStatementsFor(
+ ensembleNN, datumAuthName, datumCode, numericCode,
+ allowedAuthorities);
+ }
+ } else {
+ const auto &datum = crs->datum();
+ assert(datum);
+ const auto datumNN = NN_NO_CHECK(datum);
+ identifyFromNameOrCode(self, allowedAuthorities, authName, datumNN,
+ datumAuthName, datumCode);
+ if (datumAuthName.empty()) {
+ datumAuthName = authName;
+ if (numericCode) {
+ datumCode = self->suggestsCodeFor(datumNN, datumAuthName, true);
+ } else {
+ datumCode = "GEODETIC_DATUM_" + code;
+ }
+ sqlStatements =
+ self->getInsertStatementsFor(datumNN, datumAuthName, datumCode,
+ numericCode, allowedAuthorities);
+ }
+ }
+
+ // Find or insert coordinate system
+ const auto &coordinateSystem = crs->coordinateSystem();
+ std::string csAuthName;
+ std::string csCode;
+ identifyOrInsert(self, coordinateSystem, "GEODETIC_CRS", authName, code,
+ csAuthName, csCode, sqlStatements);
+
+ const char *type = GEOG_2D;
+ if (coordinateSystem->axisList().size() == 3) {
+ if (dynamic_cast<const crs::GeographicCRS *>(crs.get())) {
+ type = GEOG_3D;
+ } else {
+ type = GEOCENTRIC;
+ }
+ }
+
+ // Insert new record in geodetic_crs table
+ const auto sql =
+ formatStatement("INSERT INTO geodetic_crs VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q','%q',NULL,0);",
+ authName.c_str(), code.c_str(), crs->nameStr().c_str(),
+ "", // description
+ type, csAuthName.c_str(), csCode.c_str(),
+ datumAuthName.c_str(), datumCode.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(crs, "geodetic_crs", authName, code,
+ allowedAuthorities, sqlStatements);
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const crs::ProjectedCRSNNPtr &crs, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ std::vector<std::string> sqlStatements;
+
+ // Find or insert base geodetic CRS
+ const auto &baseCRS = crs->baseCRS();
+ std::string geodAuthName;
+ std::string geodCode;
+
+ auto allowedAuthoritiesTmp(allowedAuthorities);
+ allowedAuthoritiesTmp.emplace_back(authName);
+ for (const auto &allowedAuthority : allowedAuthoritiesTmp) {
+ const auto factory = AuthorityFactory::create(self, allowedAuthority);
+ const auto candidates = baseCRS->identify(factory);
+ for (const auto &candidate : candidates) {
+ if (candidate.second == 100) {
+ const auto &ids = candidate.first->identifiers();
+ for (const auto &id : ids) {
+ geodAuthName = *(id->codeSpace());
+ geodCode = id->code();
+ break;
+ }
+ }
+ if (!geodAuthName.empty()) {
+ break;
+ }
+ }
+ }
+ if (geodAuthName.empty()) {
+ geodAuthName = authName;
+ geodCode = "GEODETIC_CRS_" + code;
+ sqlStatements = self->getInsertStatementsFor(
+ baseCRS, geodAuthName, geodCode, numericCode, allowedAuthorities);
+ }
+
+ // Insert new record in conversion table
+ const auto &conversion = crs->derivingConversionRef();
+ std::string convAuthName(authName);
+ std::string convCode("CONVERSION_" + code);
+ if (numericCode) {
+ convCode = self->suggestsCodeFor(conversion, convAuthName, true);
+ }
+ {
+ const auto &method = conversion->method();
+ const auto &methodIds = method->identifiers();
+ if (methodIds.empty()) {
+ throw FactoryException(
+ "Cannot insert projection with method without identifier");
+ }
+ const auto &methodId = methodIds.front();
+ const auto &methodAuthName = *(methodId->codeSpace());
+ const auto &methodCode = methodId->code();
+ auto sql = formatStatement("INSERT INTO conversion VALUES("
+ "'%q','%q','%q','','%q','%q','%q'",
+ convAuthName.c_str(), convCode.c_str(),
+ conversion->nameStr().c_str(),
+ methodAuthName.c_str(), methodCode.c_str(),
+ method->nameStr().c_str());
+ const auto &values = conversion->parameterValues();
+ if (values.size() > N_MAX_PARAMS) {
+ throw FactoryException("Cannot insert projection with more than " +
+ toString(static_cast<int>(N_MAX_PARAMS)) +
+ " parameters");
+ }
+ for (const auto &genOpParamvalue : values) {
+ auto opParamValue =
+ dynamic_cast<const operation::OperationParameterValue *>(
+ genOpParamvalue.get());
+ if (!opParamValue) {
+ throw FactoryException("Cannot insert projection with "
+ "non-OperationParameterValue");
+ }
+ const auto &param = opParamValue->parameter();
+ const auto &paramIds = param->identifiers();
+ if (paramIds.empty()) {
+ throw FactoryException(
+ "Cannot insert projection with method parameter "
+ "without identifier");
+ }
+ const auto &paramId = paramIds.front();
+ const auto &paramAuthName = *(paramId->codeSpace());
+ const auto &paramCode = paramId->code();
+ const auto &value = opParamValue->parameterValue()->value();
+ const auto &unit = value.unit();
+ std::string uomAuthName;
+ std::string uomCode;
+ identifyOrInsert(self, unit, authName, uomAuthName, uomCode,
+ sqlStatements);
+ sql += formatStatement(",'%q','%q','%q',%f,'%q','%q'",
+ paramAuthName.c_str(), paramCode.c_str(),
+ param->nameStr().c_str(), value.value(),
+ uomAuthName.c_str(), uomCode.c_str());
+ }
+ for (size_t i = values.size(); i < N_MAX_PARAMS; ++i) {
+ sql += ",NULL,NULL,NULL,NULL,NULL,NULL";
+ }
+ sql += ",0);";
+ appendSql(sqlStatements, sql);
+ identifyOrInsertUsages(crs, "conversion", convAuthName, convCode,
+ allowedAuthorities, sqlStatements);
+ }
+
+ // Find or insert coordinate system
+ const auto &coordinateSystem = crs->coordinateSystem();
+ std::string csAuthName;
+ std::string csCode;
+ identifyOrInsert(self, coordinateSystem, "PROJECTED_CRS", authName, code,
+ csAuthName, csCode, sqlStatements);
+
+ // Insert new record in projected_crs table
+ const auto sql = formatStatement(
+ "INSERT INTO projected_crs VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q','%q','%q',NULL,0);",
+ authName.c_str(), code.c_str(), crs->nameStr().c_str(),
+ "", // description
+ csAuthName.c_str(), csCode.c_str(), geodAuthName.c_str(),
+ geodCode.c_str(), convAuthName.c_str(), convCode.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(crs, "projected_crs", authName, code,
+ allowedAuthorities, sqlStatements);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const datum::VerticalReferenceFrameNNPtr &datum,
+ const std::string &authName, const std::string &code,
+ bool /* numericCode */,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ std::vector<std::string> sqlStatements;
+
+ // Check if the object is already known under that code
+ std::string datumAuthName;
+ std::string datumCode;
+ identifyFromNameOrCode(self, allowedAuthorities, authName, datum,
+ datumAuthName, datumCode);
+ if (datumAuthName == authName && datumCode == code) {
+ return {};
+ }
+
+ // Insert new record in vertical_datum table
+ std::string publicationDate("NULL");
+ if (datum->publicationDate().has_value()) {
+ publicationDate = '\'';
+ publicationDate +=
+ replaceAll(datum->publicationDate()->toString(), "'", "''");
+ publicationDate += '\'';
+ }
+ std::string frameReferenceEpoch("NULL");
+ const auto dynamicDatum =
+ dynamic_cast<const datum::DynamicVerticalReferenceFrame *>(datum.get());
+ if (dynamicDatum) {
+ frameReferenceEpoch =
+ toString(dynamicDatum->frameReferenceEpoch().value());
+ }
+ const auto sql = formatStatement(
+ "INSERT INTO vertical_datum VALUES("
+ "'%q','%q','%q','%q',%s,%s,NULL,0);",
+ authName.c_str(), code.c_str(), datum->nameStr().c_str(),
+ "", // description
+ publicationDate.c_str(), frameReferenceEpoch.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(datum, "vertical_datum", authName, code,
+ allowedAuthorities, sqlStatements);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const crs::VerticalCRSNNPtr &crs, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ std::vector<std::string> sqlStatements;
+
+ // Find or insert datum/datum ensemble
+ std::string datumAuthName;
+ std::string datumCode;
+ const auto &ensemble = crs->datumEnsemble();
+ if (ensemble) {
+ const auto ensembleNN = NN_NO_CHECK(ensemble);
+ identifyFromNameOrCode(self, allowedAuthorities, authName, ensembleNN,
+ datumAuthName, datumCode);
+ if (datumAuthName.empty()) {
+ datumAuthName = authName;
+ if (numericCode) {
+ datumCode =
+ self->suggestsCodeFor(ensembleNN, datumAuthName, true);
+ } else {
+ datumCode = "VERTICAL_DATUM_" + code;
+ }
+ sqlStatements = self->getInsertStatementsFor(
+ ensembleNN, datumAuthName, datumCode, numericCode,
+ allowedAuthorities);
+ }
+ } else {
+ const auto &datum = crs->datum();
+ assert(datum);
+ const auto datumNN = NN_NO_CHECK(datum);
+ identifyFromNameOrCode(self, allowedAuthorities, authName, datumNN,
+ datumAuthName, datumCode);
+ if (datumAuthName.empty()) {
+ datumAuthName = authName;
+ if (numericCode) {
+ datumCode = self->suggestsCodeFor(datumNN, datumAuthName, true);
+ } else {
+ datumCode = "VERTICAL_DATUM_" + code;
+ }
+ sqlStatements =
+ self->getInsertStatementsFor(datumNN, datumAuthName, datumCode,
+ numericCode, allowedAuthorities);
+ }
+ }
+
+ // Find or insert coordinate system
+ const auto &coordinateSystem = crs->coordinateSystem();
+ std::string csAuthName;
+ std::string csCode;
+ identifyOrInsert(self, coordinateSystem, "VERTICAL_CRS", authName, code,
+ csAuthName, csCode, sqlStatements);
+
+ // Insert new record in vertical_crs table
+ const auto sql =
+ formatStatement("INSERT INTO vertical_crs VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q',0);",
+ authName.c_str(), code.c_str(), crs->nameStr().c_str(),
+ "", // description
+ csAuthName.c_str(), csCode.c_str(),
+ datumAuthName.c_str(), datumCode.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(crs, "vertical_crs", authName, code,
+ allowedAuthorities, sqlStatements);
+
+ return sqlStatements;
+}
+
+// ---------------------------------------------------------------------------
+
+std::vector<std::string> DatabaseContext::Private::getInsertStatementsFor(
+ const crs::CompoundCRSNNPtr &crs, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+
+ const auto self = NN_NO_CHECK(self_.lock());
+
+ std::vector<std::string> sqlStatements;
+
+ int counter = 1;
+ std::vector<std::pair<std::string, std::string>> componentsId;
+ const auto &components = crs->componentReferenceSystems();
+ if (components.size() != 2) {
+ throw FactoryException(
+ "Cannot insert compound CRS with number of components != 2");
+ }
+
+ auto allowedAuthoritiesTmp(allowedAuthorities);
+ allowedAuthoritiesTmp.emplace_back(authName);
+
+ for (const auto &component : components) {
+ std::string compAuthName;
+ std::string compCode;
+
+ for (const auto &allowedAuthority : allowedAuthoritiesTmp) {
+ const auto factory =
+ AuthorityFactory::create(self, allowedAuthority);
+ const auto candidates = component->identify(factory);
+ for (const auto &candidate : candidates) {
+ if (candidate.second == 100) {
+ const auto &ids = candidate.first->identifiers();
+ for (const auto &id : ids) {
+ compAuthName = *(id->codeSpace());
+ compCode = id->code();
+ break;
+ }
+ }
+ if (!compAuthName.empty()) {
+ break;
+ }
+ }
+ }
+
+ if (compAuthName.empty()) {
+ compAuthName = authName;
+ if (numericCode) {
+ compCode = self->suggestsCodeFor(component, compAuthName, true);
+ } else {
+ compCode = "COMPONENT_" + code + '_' + toString(counter);
+ }
+ const auto sqlStatementsTmp =
+ self->getInsertStatementsFor(component, compAuthName, compCode,
+ numericCode, allowedAuthorities);
+ sqlStatements.insert(sqlStatements.end(), sqlStatementsTmp.begin(),
+ sqlStatementsTmp.end());
+ }
+
+ componentsId.emplace_back(
+ std::pair<std::string, std::string>(compAuthName, compCode));
+
+ ++counter;
+ }
+
+ // Insert new record in compound_crs table
+ const auto sql = formatStatement(
+ "INSERT INTO compound_crs VALUES("
+ "'%q','%q','%q','%q','%q','%q','%q','%q',0);",
+ authName.c_str(), code.c_str(), crs->nameStr().c_str(),
+ "", // description
+ componentsId[0].first.c_str(), componentsId[0].second.c_str(),
+ componentsId[1].first.c_str(), componentsId[1].second.c_str());
+ appendSql(sqlStatements, sql);
+
+ identifyOrInsertUsages(crs, "compound_crs", authName, code,
+ allowedAuthorities, sqlStatements);
+
+ return sqlStatements;
+}
+
//! @endcond
// ---------------------------------------------------------------------------
//! @cond Doxygen_Suppress
-DatabaseContext::~DatabaseContext() = default;
+DatabaseContext::~DatabaseContext() {
+ try {
+ stopInsertStatementsSession();
+ } catch (const std::exception &) {
+ }
+}
//! @endcond
// ---------------------------------------------------------------------------
@@ -937,6 +2482,11 @@ DatabaseContext::DatabaseContext() : d(internal::make_unique<Private>()) {}
* string for the default rules to locate the default proj.db
* @param auxiliaryDatabasePaths Path and filename of auxiliary databases.
* Might be empty.
+ * Starting with PROJ 8.1, if this parameter is an empty array,
+ * the PROJ_AUX_DB environment variable will be used, if set.
+ * It must contain one or several paths. If several paths are
+ * provided, they must be separated by the colon (:) character on Unix, and
+ * on Windows, by the semi-colon (;) character.
* @param ctx Context used for file search.
* @throw FactoryException
*/
@@ -945,11 +2495,26 @@ DatabaseContext::create(const std::string &databasePath,
const std::vector<std::string> &auxiliaryDatabasePaths,
PJ_CONTEXT *ctx) {
auto dbCtx = DatabaseContext::nn_make_shared<DatabaseContext>();
- dbCtx->getPrivate()->open(databasePath, ctx);
- if (!auxiliaryDatabasePaths.empty()) {
- dbCtx->getPrivate()->attachExtraDatabases(auxiliaryDatabasePaths);
+ auto dbCtxPrivate = dbCtx->getPrivate();
+ dbCtxPrivate->open(databasePath, ctx);
+ dbCtxPrivate->checkDatabaseLayout(databasePath, std::string());
+ auto auxDbs(auxiliaryDatabasePaths);
+ if (auxDbs.empty()) {
+ const char *auxDbStr = getenv("PROJ_AUX_DB");
+ if (auxDbStr) {
+#ifdef _WIN32
+ const char *delim = ";";
+#else
+ const char *delim = ":";
+#endif
+ auxDbs = split(auxDbStr, delim);
+ }
+ }
+ if (!auxDbs.empty()) {
+ dbCtxPrivate->attachExtraDatabases(auxDbs);
+ dbCtxPrivate->auxiliaryDatabasePaths_ = auxDbs;
}
- dbCtx->getPrivate()->checkDatabaseLayout();
+ dbCtxPrivate->self_ = dbCtx.as_nullable();
return dbCtx;
}
@@ -999,6 +2564,279 @@ const char *DatabaseContext::getMetadata(const char *key) const {
// ---------------------------------------------------------------------------
+/** \brief Starts a session for getInsertStatementsFor()
+ *
+ * Starts a new session for one or several calls to getInsertStatementsFor().
+ * An insertion session guarantees that the inserted objects will not create
+ * conflicting intermediate objects.
+ *
+ * The session must be stopped with stopInsertStatementsSession().
+ *
+ * Only one session may be active at a time for a given database context.
+ *
+ * @throw FactoryException
+ * @since 8.1
+ */
+void DatabaseContext::startInsertStatementsSession() {
+ if (d->memoryDbHandle_) {
+ throw FactoryException(
+ "startInsertStatementsSession() cannot be invoked until "
+ "stopInsertStatementsSession() is.");
+ }
+
+ d->memoryDbForInsertPath_.clear();
+ const auto sqlStatements = getDatabaseStructure();
+
+ // Create a in-memory temporary sqlite3 database
+ std::ostringstream buffer;
+ buffer << "file:temp_db_for_insert_statements_";
+ buffer << this;
+ buffer << ".db?mode=memory&cache=shared";
+ d->memoryDbForInsertPath_ = buffer.str();
+ sqlite3_open_v2(
+ d->memoryDbForInsertPath_.c_str(), &d->memoryDbHandle_,
+ SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_URI, nullptr);
+ if (d->memoryDbHandle_ == nullptr) {
+ throw FactoryException("Cannot create in-memory database");
+ }
+
+ // Fill the structure of this database
+ for (const auto &sql : sqlStatements) {
+ if (sqlite3_exec(d->memoryDbHandle_, sql.c_str(), nullptr, nullptr,
+ nullptr) != SQLITE_OK) {
+ throw FactoryException("Cannot execute " + sql);
+ }
+ }
+
+ // Attach this database to the current one(s)
+ auto auxiliaryDatabasePaths(d->auxiliaryDatabasePaths_);
+ auxiliaryDatabasePaths.push_back(d->memoryDbForInsertPath_);
+ d->attachExtraDatabases(auxiliaryDatabasePaths);
+}
+
+// ---------------------------------------------------------------------------
+
+/** \brief Suggests a database code for the passed object.
+ *
+ * Supported type of objects are PrimeMeridian, Ellipsoid, Datum, DatumEnsemble,
+ * GeodeticCRS, ProjectedCRS, VerticalCRS, CompoundCRS, BoundCRS, Conversion.
+ *
+ * @param object Object for which to suggest a code.
+ * @param authName Authority name into which the object will be inserted.
+ * @param numericCode Whether the code should be numeric, or derived from the
+ * object name.
+ * @return the suggested code, that is guaranteed to not conflict with an
+ * existing one.
+ *
+ * @throw FactoryException
+ * @since 8.1
+ */
+std::string
+DatabaseContext::suggestsCodeFor(const common::IdentifiedObjectNNPtr &object,
+ const std::string &authName,
+ bool numericCode) {
+ const char *tableName = "";
+ if (dynamic_cast<const datum::PrimeMeridian *>(object.get())) {
+ tableName = "prime_meridian";
+ } else if (dynamic_cast<const datum::Ellipsoid *>(object.get())) {
+ tableName = "ellipsoid";
+ } else if (dynamic_cast<const datum::GeodeticReferenceFrame *>(
+ object.get())) {
+ tableName = "geodetic_datum";
+ } else if (dynamic_cast<const datum::VerticalReferenceFrame *>(
+ object.get())) {
+ tableName = "vertical_datum";
+ } else if (const auto ensemble =
+ dynamic_cast<const datum::DatumEnsemble *>(object.get())) {
+ const auto &datums = ensemble->datums();
+ if (!datums.empty() &&
+ dynamic_cast<const datum::GeodeticReferenceFrame *>(
+ datums[0].get())) {
+ tableName = "geodetic_datum";
+ } else {
+ tableName = "vertical_datum";
+ }
+ } else if (const auto boundCRS =
+ dynamic_cast<const crs::BoundCRS *>(object.get())) {
+ return suggestsCodeFor(boundCRS->baseCRS(), authName, numericCode);
+ } else if (dynamic_cast<const crs::CRS *>(object.get())) {
+ tableName = "crs_view";
+ } else if (dynamic_cast<const operation::Conversion *>(object.get())) {
+ tableName = "conversion";
+ } else {
+ throw FactoryException("suggestsCodeFor(): unhandled type of object");
+ }
+
+ if (numericCode) {
+ std::string sql("SELECT MAX(code) FROM ");
+ sql += tableName;
+ sql += " WHERE auth_name = ? AND code >= '1' AND code <= '999999999' "
+ "AND upper(code) = lower(code)";
+ const auto res = d->run(sql, {authName});
+ if (res.empty()) {
+ return "1";
+ }
+ return toString(atoi(res.front()[0].c_str()) + 1);
+ }
+
+ std::string code;
+ code.reserve(object->nameStr().size());
+ bool insertUnderscore = false;
+ for (const auto ch : toupper(object->nameStr())) {
+ if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z')) {
+ if (insertUnderscore && code.back() != '_')
+ code += '_';
+ code += ch;
+ insertUnderscore = false;
+ } else {
+ insertUnderscore = true;
+ }
+ }
+ return d->findFreeCode(tableName, authName, code);
+}
+
+// ---------------------------------------------------------------------------
+
+/** \brief Returns SQL statements needed to insert the passed object into the
+ * database.
+ *
+ * startInsertStatementsSession() must have been called previously.
+ *
+ * @param object The object to insert into the database. Currently only
+ * PrimeMeridian, Ellipsoid, Datum, GeodeticCRS, ProjectedCRS,
+ * VerticalCRS, CompoundCRS or BoundCRS are supported.
+ * @param authName Authority name into which the object will be inserted.
+ * @param code Code with which the object will be inserted.
+ * @param numericCode Whether intermediate objects that can be created should
+ * use numeric codes (true), or may be alphanumeric (false)
+ * @param allowedAuthorities Authorities to which intermediate objects are
+ * allowed to refer to. authName will be implicitly
+ * added to it. Note that unit, coordinate
+ * systems, projection methods and parameters will in
+ * any case be allowed to refer to EPSG.
+ * @throw FactoryException
+ * @since 8.1
+ */
+std::vector<std::string> DatabaseContext::getInsertStatementsFor(
+ const common::IdentifiedObjectNNPtr &object, const std::string &authName,
+ const std::string &code, bool numericCode,
+ const std::vector<std::string> &allowedAuthorities) {
+ if (d->memoryDbHandle_ == nullptr) {
+ throw FactoryException(
+ "startInsertStatementsSession() should be invoked first");
+ }
+
+ const auto crs = util::nn_dynamic_pointer_cast<crs::CRS>(object);
+ if (crs) {
+ // Check if the object is already known under that code
+ const auto self = NN_NO_CHECK(d->self_.lock());
+ auto allowedAuthoritiesTmp(allowedAuthorities);
+ allowedAuthoritiesTmp.emplace_back(authName);
+ for (const auto &allowedAuthority : allowedAuthoritiesTmp) {
+ const auto factory =
+ AuthorityFactory::create(self, allowedAuthority);
+ const auto candidates = crs->identify(factory);
+ for (const auto &candidate : candidates) {
+ if (candidate.second == 100) {
+ const auto &ids = candidate.first->identifiers();
+ for (const auto &id : ids) {
+ if (*(id->codeSpace()) == authName &&
+ id->code() == code) {
+ return {};
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (const auto pm =
+ util::nn_dynamic_pointer_cast<datum::PrimeMeridian>(object)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(pm), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto ellipsoid =
+ util::nn_dynamic_pointer_cast<datum::Ellipsoid>(object)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(ellipsoid), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto geodeticDatum =
+ util::nn_dynamic_pointer_cast<datum::GeodeticReferenceFrame>(
+ object)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(geodeticDatum), authName,
+ code, numericCode, allowedAuthorities);
+ }
+
+ else if (const auto ensemble =
+ util::nn_dynamic_pointer_cast<datum::DatumEnsemble>(object)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(ensemble), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto geodCRS =
+ std::dynamic_pointer_cast<crs::GeodeticCRS>(crs)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(geodCRS), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto projCRS =
+ std::dynamic_pointer_cast<crs::ProjectedCRS>(crs)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(projCRS), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto verticalDatum =
+ util::nn_dynamic_pointer_cast<datum::VerticalReferenceFrame>(
+ object)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(verticalDatum), authName,
+ code, numericCode, allowedAuthorities);
+ }
+
+ else if (const auto vertCRS =
+ std::dynamic_pointer_cast<crs::VerticalCRS>(crs)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(vertCRS), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else if (const auto compoundCRS =
+ std::dynamic_pointer_cast<crs::CompoundCRS>(crs)) {
+ return d->getInsertStatementsFor(NN_NO_CHECK(compoundCRS), authName,
+ code, numericCode, allowedAuthorities);
+ }
+
+ else if (const auto boundCRS =
+ std::dynamic_pointer_cast<crs::BoundCRS>(crs)) {
+ return getInsertStatementsFor(boundCRS->baseCRS(), authName, code,
+ numericCode, allowedAuthorities);
+ }
+
+ else {
+ throw FactoryException(
+ "getInsertStatementsFor(): unhandled type of object");
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+/** \brief Stops an insertion session started with
+ * startInsertStatementsSession()
+ *
+ * @since 8.1
+ */
+void DatabaseContext::stopInsertStatementsSession() {
+ if (d->memoryDbHandle_) {
+ d->clearCaches();
+ d->attachExtraDatabases(d->auxiliaryDatabasePaths_);
+ sqlite3_close(d->memoryDbHandle_);
+ d->memoryDbHandle_ = nullptr;
+ d->memoryDbForInsertPath_.clear();
+ }
+}
+
+// ---------------------------------------------------------------------------
+
//! @cond Doxygen_Suppress
DatabaseContextNNPtr DatabaseContext::create(void *sqlite_handle) {
@@ -1518,7 +3356,12 @@ util::PropertyMap AuthorityFactory::Private::createPropertiesSearchUsages(
"JOIN scope ON usage.scope_auth_name = scope.auth_name AND "
"usage.scope_code = scope.code "
"WHERE object_table_name = ? AND object_auth_name = ? AND "
- "object_code = ? "
+ "object_code = ? AND "
+ // We voluntary exclude extent and scope with a specific code
+ "NOT (usage.extent_auth_name = 'PROJ' AND "
+ "usage.extent_code = 'EXTENT_UNKNOWN') AND "
+ "NOT (usage.scope_auth_name = 'PROJ' AND "
+ "usage.scope_code = 'SCOPE_UNKNOWN') "
"ORDER BY score, usage.auth_name, usage.code");
auto res = run(sql, {table_name, authority(), code});
std::vector<ObjectDomainNNPtr> usages;
@@ -1624,7 +3467,8 @@ AuthorityFactoryNNPtr
AuthorityFactory::create(const DatabaseContextNNPtr &context,
const std::string &authorityName) {
const auto getFactory = [&context, &authorityName]() {
- for (const auto &knownName : {"EPSG", "ESRI", "PROJ"}) {
+ for (const auto &knownName :
+ {metadata::Identifier::EPSG.c_str(), "ESRI", "PROJ"}) {
if (ci_equal(authorityName, knownName)) {
return AuthorityFactory::nn_make_shared<AuthorityFactory>(
context, knownName);
@@ -2802,8 +4646,7 @@ AuthorityFactory::createConversion(const std::string &code) const {
const size_t base_param_idx = idx;
std::vector<operation::OperationParameterNNPtr> parameters;
std::vector<operation::ParameterValueNNPtr> values;
- constexpr int N_MAX_PARAMS = 7;
- for (int i = 0; i < N_MAX_PARAMS; ++i) {
+ for (size_t i = 0; i < N_MAX_PARAMS; ++i) {
const auto &param_auth_name = row[base_param_idx + i * 6 + 0];
if (param_auth_name.empty()) {
break;
@@ -3523,8 +5366,7 @@ operation::CoordinateOperationNNPtr AuthorityFactory::createCoordinateOperation(
"target_crs_code, "
"interpolation_crs_auth_name, interpolation_crs_code, "
"operation_version, accuracy, deprecated";
- constexpr int N_MAX_PARAMS = 7;
- for (int i = 1; i <= N_MAX_PARAMS; ++i) {
+ for (size_t i = 1; i <= N_MAX_PARAMS; ++i) {
buffer << ", param" << i << "_auth_name";
buffer << ", param" << i << "_code";
buffer << ", param" << i << "_name";
@@ -3563,7 +5405,7 @@ operation::CoordinateOperationNNPtr AuthorityFactory::createCoordinateOperation(
const size_t base_param_idx = idx;
std::vector<operation::OperationParameterNNPtr> parameters;
std::vector<operation::ParameterValueNNPtr> values;
- for (int i = 0; i < N_MAX_PARAMS; ++i) {
+ for (size_t i = 0; i < N_MAX_PARAMS; ++i) {
const auto &param_auth_name = row[base_param_idx + i * 6 + 0];
if (param_auth_name.empty()) {
break;