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The SQLITE_DIRECTONLY flag, when added to sqlite3_create_function() prevents

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the function from being used inside a trigger or view.

FossilOrigin-Name: de767376987f7668b0770c4920f1532e341b5a27f797d69c0f5e92b87d036170
This commit is contained in:
drh
2019-08-17 00:53:29 +00:00
parent cc5979dbd3 42d2fce7f5
commit 217ca657d8
11 changed files with 129 additions and 54 deletions
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4
src/main.c
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@@ -1718,7 +1718,8 @@ int sqlite3CreateFunc(
}
assert( SQLITE_FUNC_CONSTANT==SQLITE_DETERMINISTIC );
extraFlags = enc & SQLITE_DETERMINISTIC;
assert( SQLITE_FUNC_DIRECT==SQLITE_DIRECTONLY );
extraFlags = enc & (SQLITE_DETERMINISTIC|SQLITE_DIRECTONLY);
enc &= (SQLITE_FUNC_ENCMASK|SQLITE_ANY);
#ifndef SQLITE_OMIT_UTF16
@@ -1781,6 +1782,7 @@ int sqlite3CreateFunc(
p->u.pDestructor = pDestructor;
p->funcFlags = (p->funcFlags & SQLITE_FUNC_ENCMASK) | extraFlags;
testcase( p->funcFlags & SQLITE_DETERMINISTIC );
testcase( p->funcFlags & SQLITE_DIRECTONLY );
p->xSFunc = xSFunc ? xSFunc : xStep;
p->xFinalize = xFinal;
p->xValue = xValue;