From ead3ce8a8ab594d268d059fbc60c55a2d7a60198 Mon Sep 17 00:00:00 2001
From: eelke <eelke@eelkeklein.nl>
Date: Sat, 26 Oct 2019 13:13:58 +0200
Subject: [PATCH] Show view definition

---
 pglablib/catalog/PgClass.cpp          | 19 +++++++++++++++++++
 pglablib/catalog/PgClass.h            |  2 ++
 pglablib/catalog/PgClassContainer.cpp |  6 +++++-
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/pglablib/catalog/PgClass.cpp b/pglablib/catalog/PgClass.cpp
index 3ae416b..aecb769 100644
--- a/pglablib/catalog/PgClass.cpp
+++ b/pglablib/catalog/PgClass.cpp
@@ -68,6 +68,8 @@ QString PgClass::createSql() const
 	if (createSqlCache.isEmpty()) {
 		if (kind == RelKind::Table)
 			createSqlCache = createTableSql();
+		else if (kind == RelKind::View)
+			createSqlCache = createViewSql();
 
 	}
 	return createSqlCache;
@@ -159,3 +161,20 @@ QString PgClass::createTableSql() const
 	sql += ";\n";
 	return sql;
 }
+
+QString PgClass::createViewSql() const
+{
+	QString sql;
+	sql += "CREATE OR REPLACE VIEW " + fullyQualifiedQuotedObjectName();
+
+	// todo security_barrier
+	// todo check_option
+
+	sql += " AS \n";
+	sql += viewdef;
+
+	// todo owner
+
+	return sql;
+}
+
diff --git a/pglablib/catalog/PgClass.h b/pglablib/catalog/PgClass.h
index 3a8ff3f..f6c2aad 100644
--- a/pglablib/catalog/PgClass.h
+++ b/pglablib/catalog/PgClass.h
@@ -47,6 +47,7 @@ public:
 	int frozenxid;
 	int minmxid;
 	std::vector<QString> options;
+	QString viewdef;
 
 	using PgNamespaceObject::PgNamespaceObject;
 
@@ -59,6 +60,7 @@ private:
 	mutable QString createSqlCache;
 
 	QString createTableSql() const;
+	QString createViewSql() const;
 };
 
 #endif // PGCLASS_H
diff --git a/pglablib/catalog/PgClassContainer.cpp b/pglablib/catalog/PgClassContainer.cpp
index 4bb25cb..c34eab4 100644
--- a/pglablib/catalog/PgClassContainer.cpp
+++ b/pglablib/catalog/PgClassContainer.cpp
@@ -11,7 +11,7 @@ std::string PgClassContainer::getLoadQuery() const
 		"  relowner, relam, relfilenode, reltablespace, relpages, "
 		"  reltuples, reltoastrelid, relisshared, relpersistence, "
 		"  relkind, relispopulated, relfrozenxid, relminmxid, "
-		"  reloptions, relacl";
+		"  reloptions, relacl, pg_get_viewdef(oid)";
 
 	if (lessThenVersion(120000))
 		q += ", relhasoids ";
@@ -45,6 +45,10 @@ PgClass PgClassContainer::loadElem(const Pgsql::Row &row)
 	col >> acl_list;
 	v.setAcls(std::move(acl_list));
 
+	auto vd = col.nextValue();
+	if (!vd.null())
+		v.viewdef = vd.asQString();
+
 	if (lessThenVersion(120000))
 		col >> v.hasoids;