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Add the ability to unregister a virtual table module by invoking

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sqlite3_create_module() with a NULL sqlite3_module pointer.

FossilOrigin-Name: 31e34fa3390196cdc3178bf120224b08df5ec58fa2c77079ede6e9461a430dad
This commit is contained in:
drh
2019-08-16 22:58:29 +00:00
parent 4043cfef75
commit cc5979dbd3
9 changed files with 86 additions and 37 deletions
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3
src/sqliteInt.h
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@@ -1797,6 +1797,7 @@ struct Savepoint {
struct Module {
const sqlite3_module *pModule; /* Callback pointers */
const char *zName; /* Name passed to create_module() */
int nRefModule; /* Number of pointers to this object */
void *pAux; /* pAux passed to create_module() */
void (*xDestroy)(void *); /* Module destructor function */
Table *pEpoTab; /* Eponymous table for this module */
@@ -4438,6 +4439,7 @@ void sqlite3AutoLoadExtensions(sqlite3*);
# define sqlite3VtabInSync(db) 0
# define sqlite3VtabLock(X)
# define sqlite3VtabUnlock(X)
# define sqlite3VtabModuleUnref(D,X)
# define sqlite3VtabUnlockList(X)
# define sqlite3VtabSavepoint(X, Y, Z) SQLITE_OK
# define sqlite3GetVTable(X,Y) ((VTable*)0)
@@ -4449,6 +4451,7 @@ void sqlite3AutoLoadExtensions(sqlite3*);
int sqlite3VtabCommit(sqlite3 *db);
void sqlite3VtabLock(VTable *);
void sqlite3VtabUnlock(VTable *);
void sqlite3VtabModuleUnref(sqlite3*,Module*);
void sqlite3VtabUnlockList(sqlite3*);
int sqlite3VtabSavepoint(sqlite3 *, int, int);
void sqlite3VtabImportErrmsg(Vdbe*, sqlite3_vtab*);