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SQLite training in Houston TX on 2019-11-05 (details)
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Overview
Comment:Add text to the load_extension SQL function documentation that explains limitations in the use of that function. Ticket #2672. (CVS 4446)
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SHA1: b2befc84c360dde42c6dd10cbcc9572e37852438
User & Date: drh 2007-10-01 13:45:04
Context
2007-10-01
13:50
Fix comment typos in sqlite3.h. Ticket #2666. (CVS 4447) check-in: 2ea278a2 user: drh tags: trunk
13:45
Add text to the load_extension SQL function documentation that explains limitations in the use of that function. Ticket #2672. (CVS 4446) check-in: b2befc84 user: drh tags: trunk
2007-09-21
12:43
Remove "const" keywords from the sqlite3_index_info structure definition. The use of this keyword is suspected to be causing problems for some compilers. (CVS 4445) check-in: 005d780d user: drh tags: trunk
Changes
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Changes to www/lang.tcl.

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#
# Run this Tcl script to generate the lang-*.html files.
#
set rcsid {$Id: lang.tcl,v 1.133 2007/08/09 00:00:26 drh Exp $}
source common.tcl

if {[llength $argv]>0} {
  set outputdir [lindex $argv 0]
} else {
  set outputdir ""
}
................................................................................
<td valign="top" align="right">load_extension(<i>X</i>)<br>
load_extension(<i>X</i>,<i>Y</i>)</td>
<td valign="top">Load SQLite extensions out of the shared library
file named <i>X</i> using the entry point <i>Y</i>.  The result
is a NULL.  If <i>Y</i> is omitted then the default entry point
of <b>sqlite3_extension_init</b> is used.  This function raises
an exception if the extension fails to load or initialize correctly.










</tr>

<tr>
<td valign="top" align="right">lower(<i>X</i>)</td>
<td valign="top">Return a copy of string <i>X</i> will all characters
converted to lower case.  The C library <b>tolower()</b> routine is used
for the conversion, which means that this function might not



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#
# Run this Tcl script to generate the lang-*.html files.
#
set rcsid {$Id: lang.tcl,v 1.134 2007/10/01 13:45:04 drh Exp $}
source common.tcl

if {[llength $argv]>0} {
  set outputdir [lindex $argv 0]
} else {
  set outputdir ""
}
................................................................................
<td valign="top" align="right">load_extension(<i>X</i>)<br>
load_extension(<i>X</i>,<i>Y</i>)</td>
<td valign="top">Load SQLite extensions out of the shared library
file named <i>X</i> using the entry point <i>Y</i>.  The result
is a NULL.  If <i>Y</i> is omitted then the default entry point
of <b>sqlite3_extension_init</b> is used.  This function raises
an exception if the extension fails to load or initialize correctly.

<p>This function will fail if the extension attempts to modify
or delete a SQL function or collating sequence.  The
extension can add new functions or collating sequences, but cannot
modify or delete existing functions or collating sequences because
those functions and/or collating sequences might be used elsewhere
in the currently running SQL statement.  To load an extension that
changes or deletes functions or collating sequences, use the
<a href="capi3ref.html#sqlite3_load_extension">sqlite3_load_extension()</a>
C-language API.</p>
</tr>

<tr>
<td valign="top" align="right">lower(<i>X</i>)</td>
<td valign="top">Return a copy of string <i>X</i> will all characters
converted to lower case.  The C library <b>tolower()</b> routine is used
for the conversion, which means that this function might not