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Overview
| Comment: | Documented SQL fns IFNULL() and NULLIF(). (CVS 1015) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
190252fee0a86eb6f8c24a2402e36482 |
| User & Date: | jplyon 2003-06-08 08:36:34 |
Context
|
2003-06-09
| ||
| 11:53 | Remove redundant "return" statement from btree_rb.c. (CVS 1016) check-in: 373d0771 user: drh tags: trunk | |
|
2003-06-08
| ||
| 08:36 | Documented SQL fns IFNULL() and NULLIF(). (CVS 1015) check-in: 190252fe user: jplyon tags: trunk | |
|
2003-06-07
| ||
| 11:33 | Use sqliteOsFileExists() in the debugging hook in vdbe.c, instead of access(). Ticket #341. (CVS 1014) check-in: 7d3405b9 user: drh tags: trunk | |
Changes
Changes to www/lang.tcl.
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#
# Run this Tcl script to generate the sqlite.html file.
#
set rcsid {$Id: lang.tcl,v 1.60 2003/06/07 08:56:09 jplyon Exp $}
puts {<html>
<head>
<title>Query Language Understood By SQLite</title>
</head>
<body bgcolor=white>
<h1 align=center>
................................................................................
<td valign="top" align="right" width=120>abs(<i>X</i>)</td>
<td valign="top">Return the absolute value of argument <i>X</i>.</td>
</tr>
<tr>
<td valign="top" align="right">coalesce(<i>X</i>,<i>Y</i>,...)</td>
<td valign="top">Return a copy of the first non-NULL argument. If
all arguments are NULL then NULL is returned.</td>
</tr>
<tr>
<a name="globFunc"></a>
<td valign="top" align="right">glob(<i>X</i>,<i>Y</i>)</td>
<td valign="top">This function is used to implement the
"<b>Y GLOB X</b>" syntax of SQLite. The
<a href="c_interface.html#cfunc">sqlite_create_function()</a>
interface can
be used to override this function and thereby change the operation
of the <a href="#glob">GLOB</a> operator.</td>
</tr>
<tr>
<td valign="top" align="right">last_insert_rowid()</td>
<td valign="top">Return the ROWID of the last row insert from this
connection to the database. This is the same value that would be returned
from the <b>sqlite_last_insert_rowid()</b> API function.</td>
</tr>
................................................................................
<td valign="top">Return the argument with the minimum value. Arguments
may be strings in addition to numbers. The mminimum value is determined
by the usual sort order. Note that <b>min()</b> is a simple function when
it has 2 or more arguments but converts to an aggregate function if given
only a single argument.</td>
</tr>
<tr>
<td valign="top" align="right">random(*)</td>
<td valign="top">Return a random integer between -2147483648 and
+2147483647.</td>
</tr>
<tr>
|
| | > > > > > > > > > > > > > > |
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#
# Run this Tcl script to generate the sqlite.html file.
#
set rcsid {$Id: lang.tcl,v 1.61 2003/06/08 08:36:34 jplyon Exp $}
puts {<html>
<head>
<title>Query Language Understood By SQLite</title>
</head>
<body bgcolor=white>
<h1 align=center>
................................................................................
<td valign="top" align="right" width=120>abs(<i>X</i>)</td>
<td valign="top">Return the absolute value of argument <i>X</i>.</td>
</tr>
<tr>
<td valign="top" align="right">coalesce(<i>X</i>,<i>Y</i>,...)</td>
<td valign="top">Return a copy of the first non-NULL argument. If
all arguments are NULL then NULL is returned. There must be at least
2 arguments.</td>
</tr>
<tr>
<a name="globFunc"></a>
<td valign="top" align="right">glob(<i>X</i>,<i>Y</i>)</td>
<td valign="top">This function is used to implement the
"<b>Y GLOB X</b>" syntax of SQLite. The
<a href="c_interface.html#cfunc">sqlite_create_function()</a>
interface can
be used to override this function and thereby change the operation
of the <a href="#glob">GLOB</a> operator.</td>
</tr>
<tr>
<td valign="top" align="right">ifnull(<i>X</i>,<i>Y</i>)</td>
<td valign="top">Return a copy of the first non-NULL argument. If
both arguments are NULL then NULL is returned. This behaves the same as
<b>coalesce()</b> above.</td>
</tr>
<tr>
<td valign="top" align="right">last_insert_rowid()</td>
<td valign="top">Return the ROWID of the last row insert from this
connection to the database. This is the same value that would be returned
from the <b>sqlite_last_insert_rowid()</b> API function.</td>
</tr>
................................................................................
<td valign="top">Return the argument with the minimum value. Arguments
may be strings in addition to numbers. The mminimum value is determined
by the usual sort order. Note that <b>min()</b> is a simple function when
it has 2 or more arguments but converts to an aggregate function if given
only a single argument.</td>
</tr>
<tr>
<td valign="top" align="right">nullif(<i>X</i>,<i>Y</i>)</td>
<td valign="top">Return the first argument if the arguments are different,
otherwise return NULL.</td>
</tr>
<tr>
<td valign="top" align="right">random(*)</td>
<td valign="top">Return a random integer between -2147483648 and
+2147483647.</td>
</tr>
<tr>
|