diff options
Diffstat (limited to 'src/sqliteInt.h')
-rw-r--r-- | src/sqliteInt.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index a254796ab..fd3731d81 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1285,6 +1285,7 @@ struct FuncDestructor { #define SQLITE_FUNC_COALESCE 0x200 /* Built-in coalesce() or ifnull() */ #define SQLITE_FUNC_UNLIKELY 0x400 /* Built-in unlikely() function */ #define SQLITE_FUNC_CONSTANT 0x800 /* Constant inputs give a constant output */ +#define SQLITE_FUNC_MINMAX 0x1000 /* True for min() and max() aggregates */ /* ** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are @@ -1332,6 +1333,9 @@ struct FuncDestructor { #define AGGREGATE(zName, nArg, arg, nc, xStep, xFinal) \ {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal,#zName,0,0} +#define AGGREGATE2(zName, nArg, arg, nc, xStep, xFinal, extraFlags) \ + {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|extraFlags, \ + SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal,#zName,0,0} /* ** All current savepoints are stored in a linked list starting at @@ -2254,17 +2258,22 @@ struct NameContext { NameContext *pNext; /* Next outer name context. NULL for outermost */ int nRef; /* Number of names resolved by this context */ int nErr; /* Number of errors encountered while resolving names */ - u8 ncFlags; /* Zero or more NC_* flags defined below */ + u16 ncFlags; /* Zero or more NC_* flags defined below */ }; /* ** Allowed values for the NameContext, ncFlags field. +** +** Note: NC_MinMaxAgg must have the same value as SF_MinMaxAgg and +** SQLITE_FUNC_MINMAX. +** */ -#define NC_AllowAgg 0x01 /* Aggregate functions are allowed here */ -#define NC_HasAgg 0x02 /* One or more aggregate functions seen */ -#define NC_IsCheck 0x04 /* True if resolving names in a CHECK constraint */ -#define NC_InAggFunc 0x08 /* True if analyzing arguments to an agg func */ -#define NC_PartIdx 0x10 /* True if resolving a partial index WHERE */ +#define NC_AllowAgg 0x0001 /* Aggregate functions are allowed here */ +#define NC_HasAgg 0x0002 /* One or more aggregate functions seen */ +#define NC_IsCheck 0x0004 /* True if resolving names in a CHECK constraint */ +#define NC_InAggFunc 0x0008 /* True if analyzing arguments to an agg func */ +#define NC_PartIdx 0x0010 /* True if resolving a partial index WHERE */ +#define NC_MinMaxAgg 0x1000 /* min/max aggregates seen. See note above */ /* ** An instance of the following structure contains all information @@ -2315,13 +2324,13 @@ struct Select { #define SF_UsesEphemeral 0x0008 /* Uses the OpenEphemeral opcode */ #define SF_Expanded 0x0010 /* sqlite3SelectExpand() called on this */ #define SF_HasTypeInfo 0x0020 /* FROM subqueries have Table metadata */ - /* 0x0040 NOT USED */ +#define SF_Compound 0x0040 /* Part of a compound query */ #define SF_Values 0x0080 /* Synthesized from VALUES clause */ /* 0x0100 NOT USED */ #define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */ #define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */ #define SF_Recursive 0x0800 /* The recursive part of a recursive CTE */ -#define SF_Compound 0x1000 /* Part of a compound query */ +#define SF_MinMaxAgg 0x1000 /* Aggregate containing min() or max() */ /* |