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Overview
| Comment: | Added psuedo-BNF generator for syntax diagrams. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
678b7b774cd7a5c12c7fee0e19377044 |
| User & Date: | shaneh 2010-03-25 21:30:52.000 |
Context
|
2010-03-25
| ||
| 21:31 | Updates to text based bubble diagrams to fix minor issues and add linking. (check-in: 56374346ea user: shaneh tags: trunk) | |
| 21:30 | Added psuedo-BNF generator for syntax diagrams. (check-in: 678b7b774c user: shaneh tags: trunk) | |
|
2010-03-24
| ||
| 04:03 | Updates to text bubble generator for Chrome. (check-in: 1477f7f3f4 user: shaneh tags: trunk) | |
Changes
Added art/syntax/all-bnf.html.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style type='text/css'>
h3 { font-family:helvetica; font-size:16px; }
table, tr, td { font-family:helvetica; font-size:18px; empty-cells:show; border-collapse:separate; border-style:none; vertical-align:top; }
</style>
</head>
<body>
<h3><a name="sql-stmt-list">sql-stmt-list</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">sql-stmt-list</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;"><<a href="#sql-stmt">sql-stmt</a>></font> ] [ <font style="white-space:nowrap; font-size:12px;">;</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#sql-stmt">sql-stmt</a>></font> ] ]*</td></tr></table>
<h3><a name="sql-stmt">sql-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">sql-stmt</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">EXPLAIN</font> [ <font style="white-space:nowrap; font-size:12px;">QUERY</font> <font style="white-space:nowrap; font-size:12px;">PLAN</font> ] ] [ <font style="white-space:nowrap; font-size:12px;"><<a href="#alter-table-stmt">alter-table-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#analyze-stmt">analyze-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#attach-stmt">attach-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#begin-stmt">begin-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#commit-stmt">commit-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#create-index-stmt">create-index-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#create-table-stmt">create-table-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#create-trigger-stmt">create-trigger-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#create-view-stmt">create-view-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#create-virtual-table-stmt">create-virtual-table-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#delete-stmt">delete-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#delete-stmt-limited">delete-stmt-limited</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#detach-stmt">detach-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#drop-index-stmt">drop-index-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#drop-table-stmt">drop-table-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#drop-trigger-stmt">drop-trigger-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#drop-view-stmt">drop-view-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#insert-stmt">insert-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#pragma-stmt">pragma-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#reindex-stmt">reindex-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#release-stmt">release-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#rollback-stmt">rollback-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#savepoint-stmt">savepoint-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#update-stmt">update-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#update-stmt-limited">update-stmt-limited</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#vacuum-stmt">vacuum-stmt</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="alter-table-stmt">alter-table-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">alter-table-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">ALTER</font> <font style="white-space:nowrap; font-size:12px;">TABLE</font> [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font><br>[ <font style="white-space:nowrap; font-size:12px;">RENAME</font> <font style="white-space:nowrap; font-size:12px;">TO</font> <font style="white-space:nowrap; font-size:12px;">new-table-name</font> | <font style="white-space:nowrap; font-size:12px;">ADD</font> [ <font style="white-space:nowrap; font-size:12px;">COLUMN</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#column-def">column-def</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="analyze-stmt">analyze-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">analyze-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">ANALYZE</font> [ <font style="white-space:nowrap; font-size:12px;">database-name</font> | <font style="white-space:nowrap; font-size:12px;">table-name</font> | <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> <font style="white-space:nowrap; font-size:12px;">table-name</font> ]</td></tr></table>
<h3><a name="attach-stmt">attach-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">attach-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">ATTACH</font> [ <font style="white-space:nowrap; font-size:12px;">DATABASE</font> ] <font style="white-space:nowrap; font-size:12px;">filename</font> <font style="white-space:nowrap; font-size:12px;">AS</font> <font style="white-space:nowrap; font-size:12px;">database-name</font></td></tr></table>
<h3><a name="begin-stmt">begin-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">begin-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">BEGIN</font> [ <font style="white-space:nowrap; font-size:12px;">DEFERRED</font> | <font style="white-space:nowrap; font-size:12px;">IMMEDIATE</font> | <font style="white-space:nowrap; font-size:12px;">EXCLUSIVE</font> ] [ <font style="white-space:nowrap; font-size:12px;">TRANSACTION</font> ]</td></tr></table>
<h3><a name="commit-stmt">commit-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">commit-stmt</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">COMMIT</font> | <font style="white-space:nowrap; font-size:12px;">END</font> ]<font style="vertical-align:top; font-size:12px;">1</font> [ <font style="white-space:nowrap; font-size:12px;">TRANSACTION</font> ]</td></tr></table>
<h3><a name="rollback-stmt">rollback-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">rollback-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> [ <font style="white-space:nowrap; font-size:12px;">TRANSACTION</font> ] [ <font style="white-space:nowrap; font-size:12px;">TO</font> [ <font style="white-space:nowrap; font-size:12px;">SAVEPOINT</font> ] <font style="white-space:nowrap; font-size:12px;">savepoint-name</font> ]</td></tr></table>
<h3><a name="savepoint-stmt">savepoint-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">savepoint-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">SAVEPOINT</font> <font style="white-space:nowrap; font-size:12px;">savepoint-name</font></td></tr></table>
<h3><a name="release-stmt">release-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">release-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">RELEASE</font> [ <font style="white-space:nowrap; font-size:12px;">SAVEPOINT</font> ] <font style="white-space:nowrap; font-size:12px;">savepoint-name</font></td></tr></table>
<h3><a name="create-index-stmt">create-index-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">create-index-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CREATE</font> [ <font style="white-space:nowrap; font-size:12px;">UNIQUE</font> ] <font style="white-space:nowrap; font-size:12px;">INDEX</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">index-name</font> <font style="white-space:nowrap; font-size:12px;">ON</font> <font style="white-space:nowrap; font-size:12px;">table-name</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#indexed-column">indexed-column</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#indexed-column">indexed-column</a>></font> ]* <font style="white-space:nowrap; font-size:12px;">)</font></td></tr></table>
<h3><a name="indexed-column">indexed-column</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">indexed-column</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">COLLATE</font> <font style="white-space:nowrap; font-size:12px;">collation-name</font> ] [ <font style="white-space:nowrap; font-size:12px;">ASC</font> | <font style="white-space:nowrap; font-size:12px;">DESC</font> ]</td></tr></table>
<h3><a name="create-table-stmt">create-table-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">create-table-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CREATE</font> [ <font style="white-space:nowrap; font-size:12px;">TEMP</font> | <font style="white-space:nowrap; font-size:12px;">TEMPORARY</font> ] <font style="white-space:nowrap; font-size:12px;">TABLE</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font> [ <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#column-def">column-def</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#column-def">column-def</a>></font> ]* [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#table-constraint">table-constraint</a>></font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> | <font style="white-space:nowrap; font-size:12px;">AS</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="column-def">column-def</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">column-def</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#type-name">type-name</a>></font> ] [ <font style="white-space:nowrap; font-size:12px;"><<a href="#column-constraint">column-constraint</a>></font> ]*</td></tr></table>
<h3><a name="type-name">type-name</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">type-name</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">name</font> [ <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#signed-number">signed-number</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> | <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#signed-number">signed-number</a>></font> <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#signed-number">signed-number</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> ]</td></tr></table>
<h3><a name="column-constraint">column-constraint</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">column-constraint</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">CONSTRAINT</font> <font style="white-space:nowrap; font-size:12px;">name</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">PRIMARY</font> <font style="white-space:nowrap; font-size:12px;">KEY</font> [ <font style="white-space:nowrap; font-size:12px;">ASC</font> | <font style="white-space:nowrap; font-size:12px;">DESC</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#conflict-clause">conflict-clause</a>></font> [ <font style="white-space:nowrap; font-size:12px;">AUTOINCREMENT</font> ] | <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">NULL</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#conflict-clause">conflict-clause</a>></font> | <font style="white-space:nowrap; font-size:12px;">UNIQUE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#conflict-clause">conflict-clause</a>></font> | <font style="white-space:nowrap; font-size:12px;">CHECK</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> | <font style="white-space:nowrap; font-size:12px;">DEFAULT</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#signed-number">signed-number</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#literal-value">literal-value</a>></font> | <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> ]<font style="vertical-align:top; font-size:12px;">1</font> | <font style="white-space:nowrap; font-size:12px;">COLLATE</font> <font style="white-space:nowrap; font-size:12px;">collation-name</font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#foreign-key-clause">foreign-key-clause</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="signed-number">signed-number</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">signed-number</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">+</font> | <font style="white-space:nowrap; font-size:12px;">-</font> ] [ <font style="white-space:nowrap; font-size:12px;">integer-literal</font> | <font style="white-space:nowrap; font-size:12px;">floating-point-literal</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="table-constraint">table-constraint</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">table-constraint</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">CONSTRAINT</font> <font style="white-space:nowrap; font-size:12px;">name</font> ]<br>[ [ <font style="white-space:nowrap; font-size:12px;">PRIMARY</font> <font style="white-space:nowrap; font-size:12px;">KEY</font> | <font style="white-space:nowrap; font-size:12px;">UNIQUE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#indexed-column">indexed-column</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#indexed-column">indexed-column</a>></font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#conflict-clause">conflict-clause</a>></font> | <font style="white-space:nowrap; font-size:12px;">CHECK</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> | <font style="white-space:nowrap; font-size:12px;">FOREIGN</font> <font style="white-space:nowrap; font-size:12px;">KEY</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#foreign-key-clause">foreign-key-clause</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="foreign-key-clause">foreign-key-clause</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">foreign-key-clause</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">REFERENCES</font> <font style="white-space:nowrap; font-size:12px;">foreign-table</font> [ <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> ]<br>[ [ <font style="white-space:nowrap; font-size:12px;">ON</font> [ <font style="white-space:nowrap; font-size:12px;">DELETE</font> | <font style="white-space:nowrap; font-size:12px;">UPDATE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> [ <font style="white-space:nowrap; font-size:12px;">SET</font> <font style="white-space:nowrap; font-size:12px;">NULL</font> | <font style="white-space:nowrap; font-size:12px;">SET</font> <font style="white-space:nowrap; font-size:12px;">DEFAULT</font> | <font style="white-space:nowrap; font-size:12px;">CASCADE</font> | <font style="white-space:nowrap; font-size:12px;">RESTRICT</font> | <font style="white-space:nowrap; font-size:12px;">NO</font> <font style="white-space:nowrap; font-size:12px;">ACTION</font> ]<font style="vertical-align:top; font-size:12px;">1</font> | <font style="white-space:nowrap; font-size:12px;">MATCH</font> <font style="white-space:nowrap; font-size:12px;">name</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ]<br>[ [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] <font style="white-space:nowrap; font-size:12px;">DEFERRABLE</font> [ <font style="white-space:nowrap; font-size:12px;">INITIALLY</font> <font style="white-space:nowrap; font-size:12px;">DEFERRED</font> | <font style="white-space:nowrap; font-size:12px;">INITIALLY</font> <font style="white-space:nowrap; font-size:12px;">IMMEDIATE</font> ] ]</td></tr></table>
<h3><a name="conflict-clause">conflict-clause</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">conflict-clause</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">ON</font> <font style="white-space:nowrap; font-size:12px;">CONFLICT</font> [ <font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> | <font style="white-space:nowrap; font-size:12px;">ABORT</font> | <font style="white-space:nowrap; font-size:12px;">FAIL</font> | <font style="white-space:nowrap; font-size:12px;">IGNORE</font> | <font style="white-space:nowrap; font-size:12px;">REPLACE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ]</td></tr></table>
<h3><a name="create-trigger-stmt">create-trigger-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">create-trigger-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CREATE</font> [ <font style="white-space:nowrap; font-size:12px;">TEMP</font> | <font style="white-space:nowrap; font-size:12px;">TEMPORARY</font> ] <font style="white-space:nowrap; font-size:12px;">TRIGGER</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">trigger-name</font> [ <font style="white-space:nowrap; font-size:12px;">BEFORE</font> | <font style="white-space:nowrap; font-size:12px;">AFTER</font> | <font style="white-space:nowrap; font-size:12px;">INSTEAD</font> <font style="white-space:nowrap; font-size:12px;">OF</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">DELETE</font> | <font style="white-space:nowrap; font-size:12px;">INSERT</font> | <font style="white-space:nowrap; font-size:12px;">UPDATE</font> [ <font style="white-space:nowrap; font-size:12px;">OF</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> ]* ] ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">ON</font> <font style="white-space:nowrap; font-size:12px;">table-name</font><br>[ <font style="white-space:nowrap; font-size:12px;">FOR</font> <font style="white-space:nowrap; font-size:12px;">EACH</font> <font style="white-space:nowrap; font-size:12px;">ROW</font> ] [ <font style="white-space:nowrap; font-size:12px;">WHEN</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]<br><font style="white-space:nowrap; font-size:12px;">BEGIN</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#update-stmt">update-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#insert-stmt">insert-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#delete-stmt">delete-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">;</font> <font style="white-space:nowrap; font-size:12px;">END</font></td></tr></table>
<h3><a name="create-view-stmt">create-view-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">create-view-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CREATE</font> [ <font style="white-space:nowrap; font-size:12px;">TEMP</font> | <font style="white-space:nowrap; font-size:12px;">TEMPORARY</font> ] <font style="white-space:nowrap; font-size:12px;">VIEW</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">view-name</font> <font style="white-space:nowrap; font-size:12px;">AS</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font></td></tr></table>
<h3><a name="create-virtual-table-stmt">create-virtual-table-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">create-virtual-table-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CREATE</font> <font style="white-space:nowrap; font-size:12px;">VIRTUAL</font> <font style="white-space:nowrap; font-size:12px;">TABLE</font> [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font><br><font style="white-space:nowrap; font-size:12px;">USING</font> <font style="white-space:nowrap; font-size:12px;">module-name</font> [ <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;">module-argument</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">module-argument</font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> ]</td></tr></table>
<h3><a name="delete-stmt">delete-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">delete-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DELETE</font> <font style="white-space:nowrap; font-size:12px;">FROM</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#qualified-table-name">qualified-table-name</a>></font> [ <font style="white-space:nowrap; font-size:12px;">WHERE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]</td></tr></table>
<h3><a name="delete-stmt-limited">delete-stmt-limited</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">delete-stmt-limited</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DELETE</font> <font style="white-space:nowrap; font-size:12px;">FROM</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#qualified-table-name">qualified-table-name</a>></font> [ <font style="white-space:nowrap; font-size:12px;">WHERE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]<br>[ [ <font style="white-space:nowrap; font-size:12px;">ORDER</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> ]* ]<br><font style="white-space:nowrap; font-size:12px;">LIMIT</font> <font style="white-space:nowrap; font-size:12px;">integer</font> [ [ <font style="white-space:nowrap; font-size:12px;">OFFSET</font> | <font style="white-space:nowrap; font-size:12px;">,</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">integer</font> ] ]</td></tr></table>
<h3><a name="detach-stmt">detach-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">detach-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DETACH</font> [ <font style="white-space:nowrap; font-size:12px;">DATABASE</font> ] <font style="white-space:nowrap; font-size:12px;">database-name</font></td></tr></table>
<h3><a name="drop-index-stmt">drop-index-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">drop-index-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DROP</font> <font style="white-space:nowrap; font-size:12px;">INDEX</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ] [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">index-name</font></td></tr></table>
<h3><a name="drop-table-stmt">drop-table-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">drop-table-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DROP</font> <font style="white-space:nowrap; font-size:12px;">TABLE</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ] [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font></td></tr></table>
<h3><a name="drop-trigger-stmt">drop-trigger-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">drop-trigger-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DROP</font> <font style="white-space:nowrap; font-size:12px;">TRIGGER</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ] [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">trigger-name</font></td></tr></table>
<h3><a name="drop-view-stmt">drop-view-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">drop-view-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">DROP</font> <font style="white-space:nowrap; font-size:12px;">VIEW</font> [ <font style="white-space:nowrap; font-size:12px;">IF</font> <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ] [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">view-name</font></td></tr></table>
<h3><a name="expr">expr</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#literal-value">literal-value</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#bind-parameter">bind-parameter</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td>[ [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">column-name</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">unary-operator</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">binary-operator</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">function-name</font> <font style="white-space:nowrap; font-size:12px;">(</font> [ [ <font style="white-space:nowrap; font-size:12px;">DISTINCT</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]* | <font style="white-space:nowrap; font-size:12px;">*</font> ] <font style="white-space:nowrap; font-size:12px;">)</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CAST</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">AS</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#type-name">type-name</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">COLLATE</font> <font style="white-space:nowrap; font-size:12px;">collation-name</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] [ <font style="white-space:nowrap; font-size:12px;">LIKE</font> | <font style="white-space:nowrap; font-size:12px;">GLOB</font> | <font style="white-space:nowrap; font-size:12px;">REGEXP</font> | <font style="white-space:nowrap; font-size:12px;">MATCH</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">ESCAPE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]</td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">ISNULL</font> | <font style="white-space:nowrap; font-size:12px;">NOTNULL</font> | <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">NULL</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">IS</font> [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] <font style="white-space:nowrap; font-size:12px;">BETWEEN</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">AND</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] <font style="white-space:nowrap; font-size:12px;">IN</font> [ <font style="white-space:nowrap; font-size:12px;">(</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]* ] <font style="white-space:nowrap; font-size:12px;">)</font> | [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td>[ [ <font style="white-space:nowrap; font-size:12px;">NOT</font> ] <font style="white-space:nowrap; font-size:12px;">EXISTS</font> ] <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CASE</font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ] <font style="white-space:nowrap; font-size:12px;">WHEN</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> <font style="white-space:nowrap; font-size:12px;">THEN</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">ELSE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ] <font style="white-space:nowrap; font-size:12px;">END</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">expr</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#raise-function">raise-function</a>></font></td></tr></table>
<h3><a name="raise-function">raise-function</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">raise-function</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">RAISE</font> <font style="white-space:nowrap; font-size:12px;">(</font> [ <font style="white-space:nowrap; font-size:12px;">IGNORE</font> | [ <font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> | <font style="white-space:nowrap; font-size:12px;">ABORT</font> | <font style="white-space:nowrap; font-size:12px;">FAIL</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">error-message</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">)</font></td></tr></table>
<h3><a name="literal-value">literal-value</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">integer-literal</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">floating-point-literal</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">string-literal</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">blob-literal</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">NULL</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CURRENT_TIME</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CURRENT_DATE</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">literal-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">CURRENT_TIMESTAMP</font></td></tr></table>
<h3><a name="insert-stmt">insert-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">insert-stmt</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">INSERT</font> [ <font style="white-space:nowrap; font-size:12px;">OR</font> [ <font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> | <font style="white-space:nowrap; font-size:12px;">ABORT</font> | <font style="white-space:nowrap; font-size:12px;">REPLACE</font> | <font style="white-space:nowrap; font-size:12px;">FAIL</font> | <font style="white-space:nowrap; font-size:12px;">IGNORE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ] | <font style="white-space:nowrap; font-size:12px;">REPLACE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">INTO</font> [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font><br>[ [ <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> ] [ <font style="white-space:nowrap; font-size:12px;">VALUES</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> | <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> ]<font style="vertical-align:top; font-size:12px;">1</font> | <font style="white-space:nowrap; font-size:12px;">DEFAULT</font> <font style="white-space:nowrap; font-size:12px;">VALUES</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="pragma-stmt">pragma-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">pragma-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">PRAGMA</font> [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">pragma-name</font> [ <font style="white-space:nowrap; font-size:12px;">=</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#pragma-value">pragma-value</a>></font> | <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#pragma-value">pragma-value</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> ]</td></tr></table>
<h3><a name="pragma-value">pragma-value</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">pragma-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#signed-number">signed-number</a>></font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">pragma-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">name</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">pragma-value</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">string-literal</font></td></tr></table>
<h3><a name="reindex-stmt">reindex-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">reindex-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">REINDEX</font> [ <font style="white-space:nowrap; font-size:12px;">collation-name</font> | [ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] [ <font style="white-space:nowrap; font-size:12px;">table-name</font> | <font style="white-space:nowrap; font-size:12px;">index-name</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
<h3><a name="select-stmt">select-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">select-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#select-core">select-core</a>></font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#compound-operator">compound-operator</a>></font> <font style="white-space:nowrap; font-size:12px;"><<a href="#select-core">select-core</a>></font> ]*<br>[ <font style="white-space:nowrap; font-size:12px;">ORDER</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> ]* ]<br>[ <font style="white-space:nowrap; font-size:12px;">LIMIT</font> <font style="white-space:nowrap; font-size:12px;">integer</font> [ [ <font style="white-space:nowrap; font-size:12px;">OFFSET</font> | <font style="white-space:nowrap; font-size:12px;">,</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">integer</font> ] ]</td></tr></table>
<h3><a name="select-core">select-core</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">select-core</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">SELECT</font> [ <font style="white-space:nowrap; font-size:12px;">DISTINCT</font> | <font style="white-space:nowrap; font-size:12px;">ALL</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#result-column">result-column</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#result-column">result-column</a>></font> ]*<br>[ <font style="white-space:nowrap; font-size:12px;">FROM</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#join-source">join-source</a>></font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">WHERE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]<br>[ <font style="white-space:nowrap; font-size:12px;">GROUP</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> ]* [ <font style="white-space:nowrap; font-size:12px;">HAVING</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ] ]</td></tr></table>
<h3><a name="result-column">result-column</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">result-column</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">*</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">result-column</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">table-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> <font style="white-space:nowrap; font-size:12px;">*</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">result-column</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ [ <font style="white-space:nowrap; font-size:12px;">AS</font> ] <font style="white-space:nowrap; font-size:12px;">column-alias</font> ]</td></tr></table>
<h3><a name="join-source">join-source</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">join-source</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#single-source">single-source</a>></font> [ <font style="white-space:nowrap; font-size:12px;"><<a href="#join-op">join-op</a>></font> <font style="white-space:nowrap; font-size:12px;"><<a href="#single-source">single-source</a>></font> <font style="white-space:nowrap; font-size:12px;"><<a href="#join-constraint">join-constraint</a>></font> ]</td></tr></table>
<h3><a name="single-source">single-source</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">single-source</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font> [ [ <font style="white-space:nowrap; font-size:12px;">AS</font> ] <font style="white-space:nowrap; font-size:12px;">table-alias</font> ] [ <font style="white-space:nowrap; font-size:12px;">INDEXED</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;">index-name</font> | <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">INDEXED</font> ]</td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">single-source</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#select-stmt">select-stmt</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font> [ [ <font style="white-space:nowrap; font-size:12px;">AS</font> ] <font style="white-space:nowrap; font-size:12px;">table-alias</font> ]</td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">single-source</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#join-source">join-source</a>></font> <font style="white-space:nowrap; font-size:12px;">)</font></td></tr></table>
<h3><a name="join-op">join-op</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">join-op</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">,</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">join-op</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">NATURAL</font> ] [ [ <font style="white-space:nowrap; font-size:12px;">LEFT</font> ] [ <font style="white-space:nowrap; font-size:12px;">OUTER</font> ] | <font style="white-space:nowrap; font-size:12px;">INNER</font> | <font style="white-space:nowrap; font-size:12px;">CROSS</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">JOIN</font></td></tr></table>
<h3><a name="join-constraint">join-constraint</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">join-constraint</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">ON</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> | <font style="white-space:nowrap; font-size:12px;">USING</font> <font style="white-space:nowrap; font-size:12px;">(</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> ]* <font style="white-space:nowrap; font-size:12px;">)</font> ]</td></tr></table>
<h3><a name="ordering-term">ordering-term</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">ordering-term</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">COLLATE</font> <font style="white-space:nowrap; font-size:12px;">collation-name</font> ] [ <font style="white-space:nowrap; font-size:12px;">ASC</font> | <font style="white-space:nowrap; font-size:12px;">DESC</font> ]</td></tr></table>
<h3><a name="compound-operator">compound-operator</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">compound-operator</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">UNION</font> [ <font style="white-space:nowrap; font-size:12px;">ALL</font> ]</td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">compound-operator</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">INTERSECT</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">compound-operator</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">EXCEPT</font></td></tr></table>
<h3><a name="update-stmt">update-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">update-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">UPDATE</font> [ <font style="white-space:nowrap; font-size:12px;">OR</font> [ <font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> | <font style="white-space:nowrap; font-size:12px;">ABORT</font> | <font style="white-space:nowrap; font-size:12px;">REPLACE</font> | <font style="white-space:nowrap; font-size:12px;">FAIL</font> | <font style="white-space:nowrap; font-size:12px;">IGNORE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#qualified-table-name">qualified-table-name</a>></font><br><font style="white-space:nowrap; font-size:12px;">SET</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> <font style="white-space:nowrap; font-size:12px;">=</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> <font style="white-space:nowrap; font-size:12px;">=</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]* [ <font style="white-space:nowrap; font-size:12px;">WHERE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]</td></tr></table>
<h3><a name="update-stmt-limited">update-stmt-limited</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">update-stmt-limited</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">UPDATE</font> [ <font style="white-space:nowrap; font-size:12px;">OR</font> [ <font style="white-space:nowrap; font-size:12px;">ROLLBACK</font> | <font style="white-space:nowrap; font-size:12px;">ABORT</font> | <font style="white-space:nowrap; font-size:12px;">REPLACE</font> | <font style="white-space:nowrap; font-size:12px;">FAIL</font> | <font style="white-space:nowrap; font-size:12px;">IGNORE</font> ]<font style="vertical-align:top; font-size:12px;">1</font> ] <font style="white-space:nowrap; font-size:12px;"><<a href="#qualified-table-name">qualified-table-name</a>></font><br><font style="white-space:nowrap; font-size:12px;">SET</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> <font style="white-space:nowrap; font-size:12px;">=</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;">column-name</font> <font style="white-space:nowrap; font-size:12px;">=</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]* [ <font style="white-space:nowrap; font-size:12px;">WHERE</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#expr">expr</a>></font> ]<br>[ [ <font style="white-space:nowrap; font-size:12px;">ORDER</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> [ <font style="white-space:nowrap; font-size:12px;">,</font> <font style="white-space:nowrap; font-size:12px;"><<a href="#ordering-term">ordering-term</a>></font> ]* ]<br><font style="white-space:nowrap; font-size:12px;">LIMIT</font> <font style="white-space:nowrap; font-size:12px;">integer</font> [ [ <font style="white-space:nowrap; font-size:12px;">OFFSET</font> | <font style="white-space:nowrap; font-size:12px;">,</font> ]<font style="vertical-align:top; font-size:12px;">1</font> <font style="white-space:nowrap; font-size:12px;">integer</font> ] ]</td></tr></table>
<h3><a name="qualified-table-name">qualified-table-name</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">qualified-table-name</td><td>::=</td><td>[ <font style="white-space:nowrap; font-size:12px;">database-name</font> <font style="white-space:nowrap; font-size:12px;">.</font> ] <font style="white-space:nowrap; font-size:12px;">table-name</font> [ <font style="white-space:nowrap; font-size:12px;">INDEXED</font> <font style="white-space:nowrap; font-size:12px;">BY</font> <font style="white-space:nowrap; font-size:12px;">index-name</font> | <font style="white-space:nowrap; font-size:12px;">NOT</font> <font style="white-space:nowrap; font-size:12px;">INDEXED</font> ]</td></tr></table>
<h3><a name="vacuum-stmt">vacuum-stmt</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">vacuum-stmt</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">VACUUM</font></td></tr></table>
<h3><a name="comment-syntax">comment-syntax</a>:</h3>
<table><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">comment-syntax</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">--</font> [ <font style="white-space:nowrap; font-size:12px;">anything-except-newline</font> ]* [ <font style="white-space:nowrap; font-size:12px;">newline</font> | <font style="white-space:nowrap; font-size:12px;">end-of-input</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr><tr><td style="font-size:12px; white-space:nowrap; padding-top:6px;">comment-syntax</td><td>::=</td><td><font style="white-space:nowrap; font-size:12px;">/*</font> [ <font style="white-space:nowrap; font-size:12px;">anything-except-*/</font> ]* [ <font style="white-space:nowrap; font-size:12px;">*/</font> | <font style="white-space:nowrap; font-size:12px;">end-of-input</font> ]<font style="vertical-align:top; font-size:12px;">1</font></td></tr></table>
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Added art/syntax/bubble-generator-bnf.tcl.
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#!/bin/tclsh
#
# Run this TCL script to generate syntax bubble diagrams from
# text descriptions.
#
# This version generates a pure HTML table based version with
# no graphics, all in one file named "all-text.html". It may
# be useful to people wanting text search or screen reader
# support.
# Graphs:
#
set all_graphs {
sql-stmt-list {
toploop {optx sql-stmt} ;
}
sql-stmt {
line
{opt EXPLAIN {opt QUERY PLAN}}
{or
alter-table-stmt
analyze-stmt
attach-stmt
begin-stmt
commit-stmt
create-index-stmt
create-table-stmt
create-trigger-stmt
create-view-stmt
create-virtual-table-stmt
delete-stmt
delete-stmt-limited
detach-stmt
drop-index-stmt
drop-table-stmt
drop-trigger-stmt
drop-view-stmt
insert-stmt
pragma-stmt
reindex-stmt
release-stmt
rollback-stmt
savepoint-stmt
select-stmt
update-stmt
update-stmt-limited
vacuum-stmt
}
}
alter-table-stmt {
stack
{line ALTER TABLE {optx /database-name .} /table-name}
{tailbranch
{line RENAME TO /new-table-name}
{line ADD {optx COLUMN} column-def}
}
}
analyze-stmt {
line ANALYZE {or nil /database-name /table-name
{line /database-name . /table-name}}
}
attach-stmt {
line ATTACH {or DATABASE nil} /filename AS /database-name
}
begin-stmt {
line BEGIN {or nil DEFERRED IMMEDIATE EXCLUSIVE}
{optx TRANSACTION}
}
commit-stmt {
line {or COMMIT END} {optx TRANSACTION}
}
rollback-stmt {
line ROLLBACK {optx TRANSACTION}
{optx TO {optx SAVEPOINT} /savepoint-name}
}
savepoint-stmt {
line SAVEPOINT /savepoint-name
}
release-stmt {
line RELEASE {optx SAVEPOINT} /savepoint-name
}
create-index-stmt {
stack
{line CREATE {opt UNIQUE} INDEX {opt IF NOT EXISTS}}
{line {optx /database-name .} /index-name
ON /table-name ( {loop indexed-column ,} )}
}
indexed-column {
line /column-name {optx COLLATE /collation-name} {or ASC DESC nil}
}
create-table-stmt {
stack
{line CREATE {or {} TEMP TEMPORARY} TABLE {opt IF NOT EXISTS}}
{line {optx /database-name .} /table-name
{tailbranch
{line ( {loop column-def ,} {loop {} {, table-constraint}} )}
{line AS select-stmt}
}
}
}
column-def {
line /column-name {or type-name nil} {loop nil {nil column-constraint nil}}
}
type-name {
line {loop /name {}} {or {}
{line ( signed-number )}
{line ( signed-number , signed-number )}
}
}
column-constraint {
stack
{optx CONSTRAINT /name}
{or
{line PRIMARY KEY {or nil ASC DESC}
conflict-clause {opt AUTOINCREMENT}
}
{line NOT NULL conflict-clause}
{line UNIQUE conflict-clause}
{line CHECK ( expr )}
{line DEFAULT
{or
signed-number
literal-value
{line ( expr )}
}
}
{line COLLATE /collation-name}
{line foreign-key-clause}
}
}
signed-number {
line
{or nil + -}
{or /integer-literal /floating-point-literal}
}
table-constraint {
stack
{optx CONSTRAINT /name}
{or
{line {or {line PRIMARY KEY} UNIQUE}
( {loop indexed-column ,} ) conflict-clause}
{line CHECK ( expr )}
{line FOREIGN KEY ( {loop /column-name ,} ) foreign-key-clause }
}
}
foreign-key-clause {
stack
{line REFERENCES /foreign-table {optx ( {loop /column-name ,} )}}
{optx
{loop
{or
{line ON {or DELETE UPDATE}
{or {line SET NULL} {line SET DEFAULT}
CASCADE RESTRICT {line NO ACTION}
}
}
{line MATCH /name}
}
{}
}
}
{optx
{line {optx NOT} DEFERRABLE
{or
{line INITIALLY DEFERRED}
{line INITIALLY IMMEDIATE}
{}
}
}
nil
}
}
conflict-clause {
opt {line ON CONFLICT {or ROLLBACK ABORT FAIL IGNORE REPLACE}}
}
create-trigger-stmt {
stack
{line CREATE {or {} TEMP TEMPORARY} TRIGGER {opt IF NOT EXISTS}}
{line {optx /database-name .} /trigger-name
{or BEFORE AFTER {line INSTEAD OF} nil}
}
{line
{or DELETE INSERT
{line UPDATE {opt OF {loop /column-name ,} }}
}
ON /table-name
}
{line {optx FOR EACH ROW}
{optx WHEN expr}
}
{line BEGIN
{loop
{line {or update-stmt insert-stmt delete-stmt select-stmt} ;}
nil
}
END
}
}
create-view-stmt {
stack
{line CREATE {or {} TEMP TEMPORARY} VIEW {opt IF NOT EXISTS}}
{line {optx /database-name .} /view-name AS select-stmt}
}
create-virtual-table-stmt {
stack
{line CREATE VIRTUAL TABLE {optx /database-name .} /table-name}
{line USING /module-name {optx ( {loop /module-argument ,} )}}
}
delete-stmt {
line DELETE FROM qualified-table-name {optx WHERE expr}
}
delete-stmt-limited {
stack
{line DELETE FROM qualified-table-name {optx WHERE expr}}
{optx
{stack
{optx ORDER BY {loop ordering-term ,}}
{line LIMIT /integer {optx {or OFFSET ,} /integer}}
}
}
}
detach-stmt {
line DETACH {optx DATABASE} /database-name
}
drop-index-stmt {
line DROP INDEX {optx IF EXISTS} {optx /database-name .} /index-name
}
drop-table-stmt {
line DROP TABLE {optx IF EXISTS} {optx /database-name .} /table-name
}
drop-trigger-stmt {
line DROP TRIGGER {optx IF EXISTS} {optx /database-name .} /trigger-name
}
drop-view-stmt {
line DROP VIEW {optx IF EXISTS} {optx /database-name .} /view-name
}
expr {
or
{line literal-value}
{line bind-parameter}
{line {optx {optx /database-name .} /table-name .} /column-name}
{line /unary-operator expr}
{line expr /binary-operator expr}
{line /function-name ( {or {line {optx DISTINCT} {toploop expr ,}} {} *} )}
{line ( expr )}
{line CAST ( expr AS type-name )}
{line expr COLLATE /collation-name}
{line expr {optx NOT} {or LIKE GLOB REGEXP MATCH} expr
{optx ESCAPE expr}}
{line expr {or ISNULL NOTNULL {line NOT NULL}}}
{line expr IS {optx NOT} expr}
{line expr {optx NOT} BETWEEN expr AND expr}
{line expr {optx NOT} IN
{or
{line ( {or {} select-stmt {loop expr ,}} )}
{line {optx /database-name .} /table-name}
}
}
{line {optx {optx NOT} EXISTS} ( select-stmt )}
{line CASE {optx expr} {loop {line WHEN expr THEN expr} {}}
{optx ELSE expr} END}
{line raise-function}
}
raise-function {
line RAISE (
{or IGNORE
{line {or ROLLBACK ABORT FAIL} , /error-message }
} )
}
literal-value {
or
{line /integer-literal}
{line /floating-point-literal}
{line /string-literal}
{line /blob-literal}
{line NULL}
{line CURRENT_TIME}
{line CURRENT_DATE}
{line CURRENT_TIMESTAMP}
}
insert-stmt {
stack
{line
{or
{line INSERT {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}}}
REPLACE
}
INTO {optx /database-name .} /table-name
}
{tailbranch
{line
{optx ( {loop /column-name ,} )}
{tailbranch
{line VALUES ( {loop expr ,} )}
select-stmt
}
}
{line DEFAULT VALUES}
}
}
pragma-stmt {
line PRAGMA {optx /database-name .} /pragma-name
{or
nil
{line = pragma-value}
{line ( pragma-value )}
}
}
pragma-value {
or
signed-number
/name
/string-literal
}
reindex-stmt {
line REINDEX
{tailbranch
/collation-name
{line {optx /database-name .}
{tailbranch /table-name /index-name}
}
}
}
select-stmt {
stack
{loop {line select-core nil} {nil compound-operator nil}}
{optx ORDER BY {loop ordering-term ,}}
{optx LIMIT /integer {optx {or OFFSET ,} /integer}}
}
select-core {
stack
{line SELECT {or nil DISTINCT ALL} {loop result-column ,}}
{optx FROM join-source}
{optx WHERE expr}
{optx GROUP BY {loop ordering-term ,} {optx HAVING expr}}
}
result-column {
or
*
{line /table-name . *}
{line expr {optx {optx AS} /column-alias}}
}
join-source {
line
single-source
{opt {loop {line nil join-op single-source join-constraint nil} {}}}
}
single-source {
or
{line
{optx /database-name .} /table-name
{optx {optx AS} /table-alias}
{or nil {line INDEXED BY /index-name} {line NOT INDEXED}}
}
{line
( select-stmt ) {optx {optx AS} /table-alias}
}
{line ( join-source )}
}
join-op {
or
{line ,}
{line
{opt NATURAL}
{or {line {opt LEFT} {opt OUTER}} INNER CROSS}
JOIN
}
}
join-constraint {
or
{line ON expr}
{line USING ( {loop /column-name ,} )}
nil
}
ordering-term {
line expr {opt COLLATE /collation-name} {or nil ASC DESC}
}
compound-operator {
or {line UNION {optx ALL}} INTERSECT EXCEPT
}
update-stmt {
stack
{line UPDATE {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}}
qualified-table-name}
{line SET {loop {line /column-name = expr} ,} {optx WHERE expr}}
}
update-stmt-limited {
stack
{line UPDATE {opt OR {or ROLLBACK ABORT REPLACE FAIL IGNORE}}
qualified-table-name}
{line SET {loop {line /column-name = expr} ,} {optx WHERE expr}}
{optx
{stack
{optx ORDER BY {loop ordering-term ,}}
{line LIMIT /integer {optx {or OFFSET ,} /integer}}
}
}
}
qualified-table-name {
line {optx /database-name .} /table-name
{or nil {line INDEXED BY /index-name} {line NOT INDEXED}}
}
vacuum-stmt {
line VACUUM
}
comment-syntax {
or
{line -- {loop nil /anything-except-newline}
{or /newline /end-of-input}}
{line /* {loop nil /anything-except-*/}
{or */ /end-of-input}}
}
}
# padding (diff betwee font1 and font2)
set pad "6px"
# used for bubble text
set font1 "12px"
# used for bnf syntax [ ] | etc.
set font2 "18px"
# used for everything else (~ font1+5)
set font3 "16px"
# Draw a bubble containing $txt.
#
proc draw_bubble {txt} {
global font1
if {$txt=="nil"} {
return [list 1 ""]
}
if {[regexp {^/[a-z]} $txt]} {
set txt [string range $txt 1 end]
set istoken 1
} elseif {[regexp {^[a-z]} $txt]} {
set istoken 0
} else {
set istoken 1
}
if {!$istoken} {
set txt "<<a href=\"#$txt\">$txt</a>>"
}
return [list 1 "<font style=\"white-space:nowrap; font-size:$font1;\">$txt</font>"]
}
# Draw a sequence of terms from left to write. Each element of $lx
# descripts a single term.
#
proc draw_line {lx} {
global font1
set n [llength $lx]
set h 1
set content ""
set i 0
foreach term $lx {
incr i
set rc [draw_diagram $term]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
if { $tcontent != "" } {
if { $content != "" } {
set content "$content $tcontent"
} else {
set content "$tcontent"
}
if { $th > $h } { set h $th }
}
}
set content "$content"
return [list $h $content]
}
# Draw a sequence of terms from top to bottom.
#
proc draw_stack {indent lx} {
global font1
set n [llength $lx]
set h 0
set content ""
set i 0
foreach term $lx {
if { $term != "" } {
set rc [draw_diagram $term]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
set h [ expr { $h + $th } ]
incr i
if {$i == 1} {
set content "$tcontent"
} else {
set content "$content<br>$tcontent"
}
}
}
return [list $h $content]
}
proc draw_loop {forward back} {
global font1
set h 0
set content ""
set rc [draw_diagram $forward]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
if { $tcontent != "" } {
set content "$tcontent"
if { $th > $h } { set h $th }
}
set rc [draw_line $back]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
if { $tcontent != "" } {
if { $content != "" } {
set content "$content \[ $tcontent $content ]*"
} else {
set content "\[ $tcontent ]*"
}
if { $th > $h } { set h $th }
}
return [list $h $content]
}
proc draw_or {lx} {
global font1
set n [llength $lx]
set h 0
if {$n < 1} {
set content ""
} else {
set content ""
set i 0
set req "<font style=\"vertical-align:top; font-size:$font1;\">1</font>"
foreach term $lx {
set rc [draw_diagram $term]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
if { $tcontent == "" } {
set req ""
} else {
incr i
if {$i == 1} {
set content "$tcontent"
} else {
set content "$content | $tcontent"
}
if { $th > $h } { set h $th }
}
}
}
set content "\[ $content ]$req"
return [list $h $content]
}
proc draw_diagram {spec} {
global font1
set n [llength $spec]
set cmd [lindex $spec 0]
if {$n==1} {
set rc [draw_bubble $spec]
} elseif {$n==0} {
set rc [draw_bubble nil]
} elseif {$cmd=="line"} {
set rc [draw_line [lrange $spec 1 end]]
} elseif {$cmd=="stack"} {
set rc [draw_stack 0 [lrange $spec 1 end]]
} elseif {$cmd=="indentstack"} {
set rc [draw_stack $::HSEP [lrange $spec 1 end]]
} elseif {$cmd=="loop"} {
set rc [draw_loop [lindex $spec 1] [lindex $spec 2]]
} elseif {$cmd=="toploop"} {
set rc [draw_loop [lindex $spec 1] [lindex $spec 2]]
} elseif {$cmd=="or"} {
set rc [draw_or [lrange $spec 1 end]]
} elseif {$cmd=="opt"} {
set args [lrange $spec 1 end]
if {[llength $args]==1} {
set rc [draw_or [list nil [lindex $args 0]]]
} else {
set rc [draw_or [list nil "line $args"]]
}
} elseif {$cmd=="optx"} {
set args [lrange $spec 1 end]
if {[llength $args]==1} {
set rc [draw_or [list [lindex $args 0] nil]]
} else {
set rc [draw_or [list "line $args" nil]]
}
} elseif {$cmd=="tailbranch"} {
# set rc [draw_tail_branch [lrange $spec 1 end]]
set rc [draw_or [lrange $spec 1 end]]
} else {
error "unknown operator: $cmd"
}
set h [lindex $rc 0]
set content [lindex $rc 1]
return [list $h $content]
}
proc draw_graph {name spec} {
global font1 pad
set cmd1 [lindex $spec 0]
if { $cmd1 == "or" } {
set req 1
set spec1 [lrange $spec 1 end]
foreach term $spec1 {
if { $term == "" || $term == "nil"} {
set req 0
}
}
if { $req == 1 } {
set content "<table>"
set h 0
foreach term $spec1 {
set rc [ draw_diagram "line [list $term]"]
set th [lindex $rc 0]
set tcontent [lindex $rc 1]
set content "$content<tr><td style=\"font-size:$font1; white-space:nowrap; padding-top:$pad;\">$name</td><td>::=</td><td>$tcontent</td></tr>"
set h [ expr { $h + $th } ]
}
set content "$content</table>"
return [list $h $content]
}
}
set rc [ draw_diagram "line [list $spec]"]
set h [lindex $rc 0]
set content [lindex $rc 1]
set content "<table><tr><td style=\"font-size:$font1; white-space:nowrap; padding-top:$pad;\">$name</td><td>::=</td><td>$content</td></tr></table>"
return [list $h $content]
}
set f [open all-bnf.html w]
puts $f "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">"
puts $f "<html>"
puts $f "<head>"
puts $f "<style type='text/css'>"
puts $f "h3 { font-family:helvetica; font-size:$font3; }"
puts $f "table, tr, td { font-family:helvetica; font-size:$font2; empty-cells:show; border-collapse:separate; border-style:none; vertical-align:top; }"
puts $f "</style>"
puts $f "</head>"
puts $f "<body>"
foreach {name graph} $all_graphs {
if {$name == "sql-stmt-list" || 1} {
puts $f "<h3><a name=\"$name\">$name</a>:</h3>"
set rc [draw_graph $name $graph]
set h [lindex $rc 0]
set content [lindex $rc 1]
puts $f "$content"
}
}
puts $f "</body>"
puts $f "</html>"
close $f
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