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New test-only SQL functions: implies_nonnull_row(), expr_compare(), and

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expr_implies_expr().  The SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control
is modified to toggle internal function access on and off for a single
database connection.

FossilOrigin-Name: 473892a8eceacf24d57fd0c72ff2a0b8be4e0d75e0af7a30bdb24fbc3b453601
This commit is contained in:
drh
2020-01-01 15:43:30 +00:00
parent 25c4296bd9
commit 171c50ec38
15 changed files with 113 additions and 57 deletions
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2
src/resolve.c
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@@ -874,7 +874,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
}
if( (pDef->funcFlags & SQLITE_FUNC_INTERNAL)!=0
&& pParse->nested==0
&& sqlite3Config.bInternalFunctions==0
&& (pParse->db->mDbFlags & DBFLAG_InternalFunc)==0
){
/* Internal-use-only functions are disallowed unless the
** SQL is being compiled using sqlite3NestedParse() */