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Do not allow direct access to internal-use SQL functions such as

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sqlite_rename_column() and sqlite3_rename_table() except when the
new SQLITE_TESTCTRL_INTERNAL_FUNCTIONS flag is set.

FossilOrigin-Name: 6e1330545e7b74fe5f1f20751a3425e2788441485fc07fcb7626e448c72027ce
This commit is contained in:
drh
2018-11-26 18:09:15 +00:00
parent 49b269e095
commit eea8eb6d04
18 changed files with 108 additions and 47 deletions
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11
src/sqliteInt.h
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@@ -1683,8 +1683,9 @@ struct FuncDestructor {
** single query - might change over time */
#define SQLITE_FUNC_AFFINITY 0x4000 /* Built-in affinity() function */
#define SQLITE_FUNC_OFFSET 0x8000 /* Built-in sqlite_offset() function */
#define SQLITE_FUNC_WINDOW 0x10000 /* Built-in window-only function */
#define SQLITE_FUNC_WINDOW_SIZE 0x20000 /* Requires partition size as arg. */
#define SQLITE_FUNC_WINDOW 0x00010000 /* Built-in window-only function */
#define SQLITE_FUNC_WINDOW_SIZE 0x20000 /* Requires partition size as arg. */
#define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */
/*
** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
@@ -1760,10 +1761,13 @@ struct FuncDestructor {
#define AGGREGATE2(zName, nArg, arg, nc, xStep, xFinal, extraFlags) \
{nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|extraFlags, \
SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xFinal,0,#zName, {0}}
#define WAGGREGATE(zName, nArg, arg, nc, xStep, xFinal, xValue, xInverse, f) \
{nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|f, \
SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xValue,xInverse,#zName, {0}}
#define INTERNAL_FUNCTION(zName, nArg, xFunc) \
{nArg, SQLITE_FUNC_INTERNAL|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \
0, 0, xFunc, 0, 0, 0, #zName, {0} }
/*
** All current savepoints are stored in a linked list starting at
@@ -3414,6 +3418,7 @@ struct Sqlite3Config {
int (*xTestCallback)(int); /* Invoked by sqlite3FaultSim() */
#endif
int bLocaltimeFault; /* True to fail localtime() calls */
int bInternalFunctions; /* Internal SQL functions are visible */
int iOnceResetThreshold; /* When to reset OP_Once counters */
u32 szSorterRef; /* Min size in bytes to use sorter-refs */
};