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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>
|
| | > > > > > > > > > > > > > > |
1 2 3 4 5 6 7 8 9 10 11 ... 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 ... 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 |
#
# 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>
|