Reorganize files in pglablib

The enitities and containers of the catalog now go into catalog subfolder
Models go into model

pglablib/catalog/PgTriggerContainer.cpp

@@ -0,0 +1,56 @@
+#include "PgTriggerContainer.h"
+#include "Pgsql_Connection.h"
+#include "Pgsql_Col.h"
+#include <algorithm>
+#include <iterator>
+
+std::string PgTriggerContainer::getLoadQuery() const
+{
+	std::string q =
+		"SELECT oid, tgname, tgrelid, tgfoid, tgtype, tgenabled, tgisinternal, tgconstrrelid, \n"
+		"		tgconstrindid, tgconstraint, tgdeferrable, tginitdeferred, tgnargs, tgattr, \n"
+		"       tgargs, COALESCE(substring(pg_get_triggerdef(oid), 'WHEN (.*) EXECUTE PROCEDURE'), substring(pg_get_triggerdef(oid), 'WHEN (.*)  \\$trigger')) AS whenclause";
+	if (minimumVersion(90600)) {
+		q += ", tgoldtable, tgnewtable";
+	}
+	q +=
+		"  FROM pg_trigger \n"
+		"  WHERE NOT tgisinternal";
+	return q;
+}
+
+PgTrigger PgTriggerContainer::loadElem(const Pgsql::Row &row)
+{
+
+	Pgsql::Col col(row);
+	Oid oid = col.nextValue();
+	QString name = col.nextValue();
+	PgTrigger v(m_catalog, oid, name, InvalidOid);
+	col >> v.relid >> v.foid >> v.type >> v.enabled >> v.isinternal >> v.constrrelid
+			>> v.constrindid >> v.constraint >> v.deferrable >> v.initdeferred >> v.nargs >> v.attr;
+	const unsigned char * args_bytea = reinterpret_cast<const unsigned char *>(col.nextValue().c_str());
+	if (args_bytea) {
+		size_t to_length;
+		unsigned char *result = PQunescapeBytea(args_bytea, &to_length);
+		if (result) {
+			v.args = QString::fromUtf8(reinterpret_cast<const char*>(result), static_cast<int>(to_length));
+			PQfreemem(result);
+		}
+	}
+	col >> v.whenclause;
+	if (minimumVersion(90600)) {
+		col >> v.oldtable >> v.newtable;
+	}
+	return v;
+}
+
+
+std::vector<PgTrigger> PgTriggerContainer::getTriggersForRelation(Oid cls) const
+{
+	std::vector<PgTrigger> result;
+	for (auto e : m_container)
+		if (e.relid == cls)
+			result.push_back(e);
+
+	return result;
+}