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STORED columns can now reference other STORED columns, in any order, as long

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as there are not loops.

FossilOrigin-Name: 0d236698e64b2a4b46f91a25279c406e0bf392fe66116678456f0a034c11d7b4
This commit is contained in:
drh
2019-10-18 02:19:18 +00:00
parent 0b0b3a95d0
commit 9942ef0d95
5 changed files with 66 additions and 20 deletions
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src/sqliteInt.h
+3 -2
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@@ -1828,7 +1828,7 @@ struct Column {
u8 notNull; /* An OE_ code for handling a NOT NULL constraint */
char affinity; /* One of the SQLITE_AFF_... values */
u8 szEst; /* Estimated size of value in this column. sizeof(INT)==1 */
u8 colFlags; /* Boolean properties. See COLFLAG_ defines below */
u16 colFlags; /* Boolean properties. See COLFLAG_ defines below */
};
/* Allowed values for Column.colFlags:
@@ -1840,7 +1840,8 @@ struct Column {
#define COLFLAG_SORTERREF 0x0010 /* Use sorter-refs with this column */
#define COLFLAG_VIRTUAL 0x0020 /* GENERATED ALWAYS AS ... VIRTUAL */
#define COLFLAG_STORED 0x0040 /* GENERATED ALWAYS AS ... STORED */
#define COLFLAG_BUSY 0x0080 /* Blocks recursion on VIRTUAL columns */
#define COLFLAG_BUSY 0x0080 /* Blocks recursion on GENERATED columns */
#define COLFLAG_NOTAVAIL 0x0100 /* STORED column not yet calculated */
#define COLFLAG_GENERATED 0x0060 /* Combo: _STORED, _VIRTUAL */
#define COLFLAG_NOINSERT 0x0062 /* Combo: _HIDDEN, _STORED, _VIRTUAL */