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Add new sqlite3_prepare_v3() flag SQLITE_PREPARE_NO_VTAB, for preparing

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statements that are not allowed to use any virtual tables. Use this to prevent
circular references in triggers on virtual table shadow tables from causing
resource leaks.

FossilOrigin-Name: 25666e3d03950caf753295cdb55df162e07dbcf6840b05875c6e0b127c469ecb
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dan
2018-12-21 19:29:11 +00:00
parent afdc9e23fc
commit 1ea0443c2d
11 changed files with 68 additions and 47 deletions
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6
src/sqlite.h.in
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@@ -3636,10 +3636,16 @@ int sqlite3_limit(sqlite3*, int id, int newVal);
** [sqlite3_normalized_sql()] interface is now available to all
** prepared statements, regardless of whether or not they use this
** flag.
**
** [[SQLITE_PREPARE_NO_VTAB]] <dt>SQLITE_PREPARE_NO_VTAB</dt>
** <dd>The SQLITE_PREPARE_NO_VTAB flag causes the SQL compiler
** to return an error (error code SQLITE_ERROR) if the statement uses
** any virtual tables.
** </dl>
*/
#define SQLITE_PREPARE_PERSISTENT 0x01
#define SQLITE_PREPARE_NORMALIZE 0x02
#define SQLITE_PREPARE_NO_VTAB 0x04
/*
** CAPI3REF: Compiling An SQL Statement