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Overview
Comment: | Correct the documentation to show that sqlite3_column_text() returns a NULL pointer (not an empty string) when the column value is NULL. The same goes for sqlite3_column_blob(). Ticket #1334. (CVS 2558) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
fd1e013a14710ed2ecabddedc0d11056 |
User & Date: | drh 2005-07-22 22:53:16.000 |
Context
2005-07-22
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23:56 | Clarify the meaning of the TEMP keyword on CREATE TABLE. (CVS 2559) (check-in: 1a573619f5 user: drh tags: trunk) | |
22:53 | Correct the documentation to show that sqlite3_column_text() returns a NULL pointer (not an empty string) when the column value is NULL. The same goes for sqlite3_column_blob(). Ticket #1334. (CVS 2558) (check-in: fd1e013a14 user: drh tags: trunk) | |
00:31 | Begin adding code to support multiple IN constraints on the same index. (CVS 2557) (check-in: 103f8ccb90 user: drh tags: trunk) | |
Changes
Changes to www/capi3ref.tcl.
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| | | 1 2 3 4 5 6 7 8 | set rcsid {$Id: capi3ref.tcl,v 1.24 2005/07/22 22:53:16 drh Exp $} source common.tcl header {C/C++ Interface For SQLite Version 3} puts { <h2>C/C++ Interface For SQLite Version 3</h2> } proc api {name prototype desc {notused x}} { |
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318 319 320 321 322 323 324 | are applied: <blockquote> <table border="1"> <tr><th>Internal Type</th><th>Requested Type</th><th>Conversion</th></tr> <tr><td> NULL </td><td> INTEGER</td><td>Result is 0</td></tr> <tr><td> NULL </td><td> FLOAT </td><td> Result is 0.0</td></tr> | | | | 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 | are applied: <blockquote> <table border="1"> <tr><th>Internal Type</th><th>Requested Type</th><th>Conversion</th></tr> <tr><td> NULL </td><td> INTEGER</td><td>Result is 0</td></tr> <tr><td> NULL </td><td> FLOAT </td><td> Result is 0.0</td></tr> <tr><td> NULL </td><td> TEXT </td><td> Result is NULL pointer</td></tr> <tr><td> NULL </td><td> BLOB </td><td> Result is NULL pointer</td></tr> <tr><td> INTEGER </td><td> FLOAT </td><td> Convert from integer to float</td></tr> <tr><td> INTEGER </td><td> TEXT </td><td> ASCII rendering of the integer</td></tr> <tr><td> INTEGER </td><td> BLOB </td><td> Same as for INTEGER->TEXT</td></tr> <tr><td> FLOAT </td><td> INTEGER</td><td>Convert from float to integer</td></tr> <tr><td> FLOAT </td><td> TEXT </td><td> ASCII rendering of the float</td></tr> <tr><td> FLOAT </td><td> BLOB </td><td> Same as FLOAT->TEXT</td></tr> <tr><td> TEXT </td><td> INTEGER</td><td>Use atoi()</td></tr> |
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