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Split the SQLITE_WriteSchema flag in two flags, WriteSchema and

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SQLITE_NoSchemaError.  Set only WriteSchema on a VACUUM to avoid problems
when trying to vacuum a corrupt database.  With this change, the size
of the flags field on sqlite3 must grow from 32 to 64 bytes.

FossilOrigin-Name: 4f9878107a54356b7105fa1db7655ee239685d570436f6ad4d4221c9bd829b3d
This commit is contained in:
drh
2018-10-30 16:25:35 +00:00
parent a751f39c3f
commit fd748c6460
7 changed files with 26 additions and 24 deletions
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14
src/sqliteInt.h
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@@ -1371,7 +1371,7 @@ struct sqlite3 {
Db *aDb; /* All backends */
int nDb; /* Number of backends currently in use */
u32 mDbFlags; /* flags recording internal state */
u32 flags; /* flags settable by pragmas. See below */
u64 flags; /* flags settable by pragmas. See below */
i64 lastRowid; /* ROWID of most recent insert (see above) */
i64 szMmap; /* Default mmap_size setting */
u32 nSchemaLock; /* Do not reset the schema when non-zero */
@@ -1537,14 +1537,16 @@ struct sqlite3 {
#define SQLITE_TriggerEQP 0x01000000 /* Show trigger EXPLAIN QUERY PLAN */
#define SQLITE_ResetDatabase 0x02000000 /* Reset the database */
#define SQLITE_LegacyAlter 0x04000000 /* Legacy ALTER TABLE behaviour */
#define SQLITE_NoSchemaError 0x08000000 /* Do not report schema parse errors*/
/* Flags used only if debugging */
#define HI(X) ((u64)(X)<<32)
#ifdef SQLITE_DEBUG
#define SQLITE_SqlTrace 0x08000000 /* Debug print SQL as it executes */
#define SQLITE_VdbeListing 0x10000000 /* Debug listings of VDBE programs */
#define SQLITE_VdbeTrace 0x20000000 /* True to trace VDBE execution */
#define SQLITE_VdbeAddopTrace 0x40000000 /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_VdbeEQP 0x80000000 /* Debug EXPLAIN QUERY PLAN */
#define SQLITE_SqlTrace HI(0x0001) /* Debug print SQL as it executes */
#define SQLITE_VdbeListing HI(0x0002) /* Debug listings of VDBE progs */
#define SQLITE_VdbeTrace HI(0x0004) /* True to trace VDBE execution */
#define SQLITE_VdbeAddopTrace HI(0x0008) /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_VdbeEQP HI(0x0010) /* Debug EXPLAIN QUERY PLAN */
#endif
/*