Moved several files from pglab project to pglablib

pglablib/PgConstraint.h

@@ -0,0 +1,78 @@
+#ifndef PGCONSTRAINT_H
+#define PGCONSTRAINT_H
+
+#include "Pgsql_Value.h"
+#include <QString>
+#include <libpq-fe.h>
+
+#include <cstdint>
+#include <vector>
+
+enum class ConstraintType {
+	Check,  // c
+	ForeignKey, // f
+	PrimaryKey, // p
+	Unique, // u
+	ConstraintTrigger, // t
+	ExclusionConstraint, // x
+};
+
+void operator<<(ConstraintType &s, const Pgsql::Value &v);
+
+
+enum class ForeignKeyAction {
+	NoAction, // a
+	Restrict, // r
+	Cascade, // c
+	SetNull, // n
+	SetDefault // d
+};
+
+void operator<<(ForeignKeyAction &s, const Pgsql::Value &v);
+
+enum class ForeignKeyMatch {
+	Full, // f
+	Partial, // p
+	Simple // s
+};
+
+void operator<<(ForeignKeyMatch &s, const Pgsql::Value &v);
+
+class PgConstraint {
+public:
+	Oid oid = InvalidOid;
+	QString name;
+	Oid connamespace = InvalidOid;
+	ConstraintType type;
+	bool deferrable;
+	bool deferred;
+	bool validated;
+	Oid relid = InvalidOid;  ///< the table this constraint is on
+	Oid typid = InvalidOid;
+	Oid indid = InvalidOid;  ///< index supporting the constraint
+	Oid frelid = InvalidOid; ///< only for FK, referenced table pg_class
+	ForeignKeyAction fupdtype; // on update
+	ForeignKeyAction fdeltype; // on delete
+	ForeignKeyMatch fmatchtype; // match type
+	bool islocal;
+	int32_t inhcount;
+	bool noinherit;
+	std::vector<int16_t> key; // list of constraint columns attnum
+	std::vector<int16_t> fkey; // fkey list of referenced columns
+	std::vector<Oid> pfeqop;
+	std::vector<Oid> ppeqop;
+	std::vector<Oid> ffeqop;
+	std::vector<Oid> exclop;
+	QString bin;
+	QString src;
+
+	QString definition;
+
+	PgConstraint();
+	bool operator==(Oid _oid) const { return oid == _oid; }
+	bool operator==(const QString &n) const { return name == n; }
+	bool operator<(Oid _oid) const { return oid < _oid; }
+	bool operator<(const PgConstraint &rhs) const { return oid < rhs.oid; }
+};
+
+#endif // PGCONSTRAINT_H