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diff --git a/www/c3ref/result_subtype.html b/www/c3ref/result_subtype.html new file mode 100644 index 0000000..b0dd7e0 --- /dev/null +++ b/www/c3ref/result_subtype.html @@ -0,0 +1,152 @@ +<!DOCTYPE html> +<html><head> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<link href="../sqlite.css" rel="stylesheet"> +<title>Setting The Subtype Of An SQL Function</title> +<!-- path=../ --> +</head> +<body> +<div class=nosearch> +<a href="../index.html"> +<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0"> +</a> +<div><!-- IE hack to prevent disappearing logo --></div> +<div class="tagline desktoponly"> +Small. Fast. 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Only the lower 8 bits +of the subtype T are preserved in current versions of SQLite; +higher order bits are discarded. +The number of subtype bytes preserved by SQLite might increase +in future releases of SQLite.</p> + +<p>Every <a href="../appfunc.html">application-defined SQL function</a> that invokes this interface +should include the <a href="../c3ref/c_deterministic.html#sqliteresultsubtype">SQLITE_RESULT_SUBTYPE</a> property in its +text encoding argument when the SQL function is +<a href="../c3ref/create_function.html">registered</a>. If the <a href="../c3ref/c_deterministic.html#sqliteresultsubtype">SQLITE_RESULT_SUBTYPE</a> +property is omitted from the function that invokes sqlite3_result_subtype(), +then in some cases the sqlite3_result_subtype() might fail to set +the result subtype.</p> + +<p>If SQLite is compiled with -DSQLITE_STRICT_SUBTYPE=1, then any +SQL function that invokes the sqlite3_result_subtype() interface +and that does not have the SQLITE_RESULT_SUBTYPE property will raise +an error. Future versions of SQLite might enable -DSQLITE_STRICT_SUBTYPE=1 +by default. +</p><p>See also lists of + <a href="../c3ref/objlist.html">Objects</a>, + <a href="../c3ref/constlist.html">Constants</a>, and + <a href="../c3ref/funclist.html">Functions</a>.</p> + |