Add support for foreign keys to hypertables

.unreleased/pr_6989

@@ -0,0 +1 @@
+Implements: #6989 Add support for foreign keys from plain tables to hypertables

coccinelle/namedata.cocci

@@ -16,12 +16,13 @@ struct I1
 }
 
 @rule_namedata_strlcpy@
-expression E1, E2;
+identifier I1;
+expression E1;
 symbol NAMEDATALEN;
 @@
-- strlcpy(E1, E2, NAMEDATALEN);
+- strlcpy(I1, E1, NAMEDATALEN);
 + /* You are using strlcpy with NAMEDATALEN, please consider using NameData and namestrcpy instead. */
-+ namestrcpy(E1, E2);
++ namestrcpy(I1, E1);
 
 @rule_namedata_memcpy@
 expression E1, E2;

src/CMakeLists.txt

@@ -21,6 +21,7 @@ set(SOURCES
     extension.c
     extension_constants.c
     expression_utils.c
+    foreign_key.c
     gapfill.c
     guc.c
     histogram.c

src/chunk_constraint.c

@@ -33,6 +33,7 @@
 #include "dimension_vector.h"
 #include "errors.h"
 #include "export.h"
+#include "foreign_key.h"
 #include "hypercube.h"
 #include "hypertable.h"
 #include "partitioning.h"
@@ -512,6 +513,9 @@ ts_chunk_constraints_create(const Hypertable *ht, const Chunk *chunk)
 		Assert(list_length(cookedconstrs) == list_length(newconstrs));
 		CommandCounterIncrement();
 	}
+
+	/* Copy FK triggers to this chunk */
+	ts_chunk_copy_referencing_fk(ht, chunk);
 }
 
 ScanIterator