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| author | drh <> | 2022-01-09 16:54:02 +0000 |
|---|---|---|
| committer | drh <> | 2022-01-09 16:54:02 +0000 |
| commit | 9d44f18b3ccf2ca757ee27ae294b859cb32ec127 (patch) | |
| tree | df666a585b5769effdd2979cf232dfaf13b740fa /src/func.c | |
| parent | daefcd9e009616b379eb4c0528a0440dcd0394f8 (diff) | |
| download | sqlite-9d44f18b3ccf2ca757ee27ae294b859cb32ec127.tar.gz sqlite-9d44f18b3ccf2ca757ee27ae294b859cb32ec127.zip | |
Add a new built-in subtype() function.
FossilOrigin-Name: a25f4ce255c034fc694c33728aedb98289ebccda9c48920829ef780b92b8faee
Diffstat (limited to 'src/func.c')
| -rw-r--r-- | src/func.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/func.c b/src/func.c index 360967a08..596a1bb3a 100644 --- a/src/func.c +++ b/src/func.c @@ -97,6 +97,17 @@ static void typeofFunc( sqlite3_result_text(context, azType[i], -1, SQLITE_STATIC); } +/* subtype(X) +** +** Return the subtype of X +*/ +static void subtypeFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + sqlite3_result_int(context, sqlite3_value_subtype(argv[0])); +} /* ** Implementation of the length() function @@ -2246,6 +2257,7 @@ void sqlite3RegisterBuiltinFunctions(void){ WAGGREGATE(max, 1, 1, 1, minmaxStep, minMaxFinalize, minMaxValue, 0, SQLITE_FUNC_MINMAX|SQLITE_FUNC_ANYORDER ), FUNCTION2(typeof, 1, 0, 0, typeofFunc, SQLITE_FUNC_TYPEOF), + FUNCTION2(subtype, 1, 0, 0, subtypeFunc, SQLITE_FUNC_TYPEOF), FUNCTION2(length, 1, 0, 0, lengthFunc, SQLITE_FUNC_LENGTH), FUNCTION(instr, 2, 0, 0, instrFunc ), FUNCTION(printf, -1, 0, 0, printfFunc ), |