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diff --git a/www/session/sqlite3changeset_old.html b/www/session/sqlite3changeset_old.html new file mode 100644 index 0000000..2c8f4f7 --- /dev/null +++ b/www/session/sqlite3changeset_old.html @@ -0,0 +1,148 @@ +<!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>Obtain old.* Values From A Changeset Iterator</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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In the latter case, the most recent +call to <a href="../session/sqlite3changeset_next.html">sqlite3changeset_next()</a> must have returned SQLITE_ROW. +Furthermore, it may only be called if the type of change that the iterator +currently points to is either <a href="../c3ref/c_alter_table.html">SQLITE_DELETE</a> or <a href="../c3ref/c_alter_table.html">SQLITE_UPDATE</a>. Otherwise, +this function returns <a href="../rescode.html#misuse">SQLITE_MISUSE</a> and sets *ppValue to NULL.</p> + +<p>Argument iVal must be greater than or equal to 0, and less than the number +of columns in the table affected by the current change. Otherwise, +<a href="../rescode.html#range">SQLITE_RANGE</a> is returned and *ppValue is set to NULL.</p> + +<p>If successful, this function sets *ppValue to point to a protected +sqlite3_value object containing the iVal'th value from the vector of +original row values stored as part of the UPDATE or DELETE change and +returns SQLITE_OK. The name of the function comes from the fact that this +is similar to the "old.*" columns available to update or delete triggers.</p> + +<p>If some other error occurs (e.g. an OOM condition), an SQLite error code +is returned and *ppValue is set to NULL. +</p><p>See also lists of + <a href="../session/objlist.html">Objects</a>, + <a href="../session/constlist.html">Constants</a>, and + <a href="../session/funclist.html">Functions</a>.</p> + |