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Add the BTREE_FORDELETE and BTREE_AUXDELETE flags to the b-tree layer interface

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and use them.  Add assert() statement to verify that they are correct.

FossilOrigin-Name: 85c467041c9378cae3038756da815e9117ee8c7d
This commit is contained in:
drh
2016-01-30 13:32:30 +00:00
parent 5f4a686f8c df31221d33
commit 4b09ec6e11
10 changed files with 210 additions and 62 deletions
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5
src/sqliteInt.h
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@@ -2847,7 +2847,8 @@ struct AuthContext {
/*
** Bitfield flags for P5 value in various opcodes.
*/
#define OPFLAG_NCHANGE 0x01 /* Set to update db->nChange */
#define OPFLAG_NCHANGE 0x01 /* OP_Insert: Set to update db->nChange */
/* Also used in P2 (not P5) of OP_Delete */
#define OPFLAG_EPHEM 0x01 /* OP_Column: Ephemeral output is ok */
#define OPFLAG_LASTROWID 0x02 /* Set to update db->lastRowid */
#define OPFLAG_ISUPDATE 0x04 /* This OP_Insert is an sql UPDATE */
@@ -2860,6 +2861,8 @@ struct AuthContext {
#define OPFLAG_FORDELETE 0x08 /* OP_Open should use BTREE_FORDELETE */
#define OPFLAG_P2ISREG 0x10 /* P2 to OP_Open** is a register number */
#define OPFLAG_PERMUTE 0x01 /* OP_Compare: use the permutation */
#define OPFLAG_SAVEPOSITION 0x02 /* OP_Delete: keep cursor position */
#define OPFLAG_AUXDELETE 0x04 /* OP_Delete: index in a DELETE op */
/*
* Each trigger present in the database schema is stored as an instance of