Preliminary code to support RIGHT JOIN. Everything seems to work, except that

the code to compute the unmatched rows for the RIGHT JOIN has not yet been
added, so the result of a RIGHT JOIN is currently the same as an INNER JOIN.

FossilOrigin-Name: 415abd6731b8e8a605adabfa6066c8a852a8531c300df41325d5f7e75cae5a70

1 files changed, 8 insertions, 7 deletions

diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index ead20c9a2..264a9d373 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3132,13 +3132,14 @@ struct SrcList {
 /*
 ** Permitted values of the SrcList.a.jointype field
 */
-#define JT_INNER     0x0001    /* Any kind of inner or cross join */
-#define JT_CROSS     0x0002    /* Explicit use of the CROSS keyword */
-#define JT_NATURAL   0x0004    /* True for a "natural" join */
-#define JT_LEFT      0x0008    /* Left outer join */
-#define JT_RIGHT     0x0010    /* Right outer join */
-#define JT_OUTER     0x0020    /* The "OUTER" keyword is present */
-#define JT_ERROR     0x0040    /* unknown or unsupported join type */
+#define JT_INNER     0x01    /* Any kind of inner or cross join */
+#define JT_CROSS     0x02    /* Explicit use of the CROSS keyword */
+#define JT_NATURAL   0x04    /* True for a "natural" join */
+#define JT_LEFT      0x08    /* Left outer join */
+#define JT_RIGHT     0x10    /* Right outer join */
+#define JT_OUTER     0x20    /* The "OUTER" keyword is present */
+#define JT_LTORJ     0x40    /* One of the LEFT operands of a RIGHT JOIN */
+#define JT_ERROR     0x80    /* unknown or unsupported join type */
 
 
 /*