Difference between revisions of "Commands"

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−
This article is linked from the [[Getting Started]] Section.
+
This article is part of the [[Getting Started]] Section.
 
It lists all database commands supported by BaseX.
 
It lists all database commands supported by BaseX.
 
Commands can e.g. be run from the [[Startup_Options#BaseX_Standalone|Command Line]],
 
Commands can e.g. be run from the [[Startup_Options#BaseX_Standalone|Command Line]],
Line 9: Line 9:
  
 
=Conventions=
 
=Conventions=
 +
 +
Multiple commands can be separated by semicolons.
 +
 +
==XML Syntax==
 +
 +
{{Mark|Introduced with Version 7.3:}}
 +
 +
In addition to the string syntax, database commands can also be formulated in XML. All commands are surrounded by a {{Code|<commands/>}} root element. The following XML script creates a database, adds two documents and performs a query:
 +
 +
<pre class="brush:xquery">
 +
<commands>
 +
  <create-db name='test'/>
 +
  <add>input.xml</add>
 +
  <add path='embedded.xml'><root>Embedded Document</root></add>
 +
  <xquery>count(//text())</xquery>
 +
</commands>
 +
</pre>
  
 
==Glob Syntax==
 
==Glob Syntax==
Line 24: Line 41:
 
==Aliases==
 
==Aliases==
  
−
In all commands, the {{Code|DB}} keyword can be replaced by the shortcut {{Code|DATABASE}}.
+
In all commands, the {{Code|DB}} keyword can be replaced by {{Code|DATABASE}}.
  
 
=Database Operations=
 
=Database Operations=
  
 
==CREATE DB==
 
==CREATE DB==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Syntax'''
+
| '''Syntax'''
−
|{{Code|CREATE DB [name] ([input])}}
+
|width='100%'|{{Code|CREATE DB [name] ([input])}}
 
|-
 
|-
−
| '''XML Syntax'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|<code><create-db name='[name]'/></code><br/><code><create-db name='[name]'>[input]</create-db></code>
+
|<code><create-db name='[name]'/></code><br/><code><create-db name='[name]'>[input]</create-db></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 55: Line 72:
  
 
==OPEN==
 
==OPEN==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|OPEN [path]}}
+
|width='100%'|{{Code|OPEN [path]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><open path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 71: Line 91:
  
 
==CHECK==
 
==CHECK==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|CHECK [input]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|CHECK [input]}}
+
|<code><check input='[input]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 87: Line 110:
  
 
==CLOSE==
 
==CLOSE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|CLOSE }}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|CLOSE }}
+
|<code><close/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 103: Line 129:
  
 
==EXPORT==
 
==EXPORT==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|EXPORT [path]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|EXPORT [path]}}
+
|<code><export path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 121: Line 150:
  
 
{{Mark|Updated in Version 7.2:}} {{Code|PATH}} removed as argument; path summary is now updated by [[#OPTIMIZE|OPTIMIZE]] command
 
{{Mark|Updated in Version 7.2:}} {{Code|PATH}} removed as argument; path summary is now updated by [[#OPTIMIZE|OPTIMIZE]] command
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|CREATE INDEX [TEXT&#124;ATTRIBUTE&#124;FULLTEXT]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|CREATE INDEX [TEXT&#124;ATTRIBUTE&#124;FULLTEXT]}}
+
|<code><create-index type='text|attribute|fulltext'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 139: Line 171:
  
 
{{Mark|Updated in Version 7.2:}} {{Code|PATH}} removed as argument; path summary is now always available
 
{{Mark|Updated in Version 7.2:}} {{Code|PATH}} removed as argument; path summary is now always available
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|DROP INDEX [TEXT&#124;ATTRIBUTE&#124;FULLTEXT]}}
+
|width='100%'|{{Code|DROP INDEX [TEXT&#124;ATTRIBUTE&#124;FULLTEXT]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><drop-index type='text|attribute|fulltext'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 157: Line 192:
  
 
==ALTER DB==
 
==ALTER DB==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|ALTER DB [name] [newname]}}
+
|width='100%'|{{Code|ALTER DB [name] [newname]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><alter-db name='[name]' newname='[newname]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 177: Line 215:
  
 
==DROP DB==
 
==DROP DB==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|DROP DB [name]}}
+
|width='100%'|{{Code|DROP DB [name]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><drop-db name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 193: Line 234:
  
 
==CREATE BACKUP==
 
==CREATE BACKUP==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|CREATE BACKUP [name]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|CREATE BACKUP [name]}}
+
|<code><create-backup name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 213: Line 257:
  
 
==RESTORE==
 
==RESTORE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|RESTORE [name]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|RESTORE [name]}}
+
|<code><restore name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 229: Line 276:
  
 
==DROP BACKUP==
 
==DROP BACKUP==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|DROP BACKUP [name]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|DROP BACKUP [name]}}
+
|<code><drop-backup name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 246: Line 296:
  
 
==SHOW BACKUPS==
 
==SHOW BACKUPS==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|SHOW BACKUPS}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|SHOW BACKUPS}}
+
|<code><show-backups/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
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==COPY==
 
==COPY==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|COPY [name] [newname]}}
+
|width='100%'|{{Code|COPY [name] [newname]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><copy name='[name]' newname='[newname]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 275: Line 331:
  
 
==INFO DB==
 
==INFO DB==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|INFO DB}}
+
|width='100%'|{{Code|INFO DB}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><info-db/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 291: Line 350:
  
 
==INFO INDEX==
 
==INFO INDEX==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|INFO INDEX ([TEXT&#124;ATTRIBUTE&#124;FULLTEXT&#124;PATH])}}
+
|width='100%'|{{Code|INFO INDEX ([TEXT&#124;ATTRIBUTE&#124;FULLTEXT&#124;PATH])}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><info-index type='tag|attname|path|text|attribute|fulltext'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 307: Line 369:
  
 
==INFO STORAGE==
 
==INFO STORAGE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|INFO STORAGE [start end] &#124; [query]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
| {{Code|INFO STORAGE [start end] &#124; [query]}}
+
|<code><info-storage/></code><br/><code><info-storage start='[start]' end='[end]'/></code><br/><code><info-storage>[query]</info-storage></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 325: Line 390:
  
 
==LIST==
 
==LIST==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|LIST ([path])}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|LIST ([path])}}
+
|<code><list/></code><br/><code><list path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 341: Line 409:
  
 
==XQUERY==
 
==XQUERY==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|XQUERY [query]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|XQUERY [query]}}
+
|<code><xquery>[query]</xquery></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 363: Line 434:
  
 
==RETRIEVE==
 
==RETRIEVE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|RETRIEVE [path]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|RETRIEVE [path]}}
+
|<code><retrieve path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 379: Line 453:
  
 
==RUN==
 
==RUN==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|RUN [file]}}
+
|width='100%'|{{Code|RUN [file]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><run file='[file]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 395: Line 472:
  
 
==FIND==
 
==FIND==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|FIND [keywords]}}
+
|width='100%'|{{Code|FIND [keywords]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><find>[keywords]</find></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 412: Line 492:
  
 
==CS==
 
==CS==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|CS [query]}}
+
|width='100%'|{{Code|CS [query]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><cs>[query]</cs></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 428: Line 511:
  
 
==REPO INSTALL==
 
==REPO INSTALL==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|REPO INSTALL [path]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|REPO INSTALL [path]}}
+
|<code><repo-install path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 450: Line 536:
  
 
==REPO LIST==
 
==REPO LIST==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|REPO LIST}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|REPO LIST}}
+
|<code><repo-list/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 463: Line 552:
  
 
==REPO DELETE==
 
==REPO DELETE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|REPO DELETE [name]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|REPO DELETE [name]}}
+
|<code><repo-delete name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 481: Line 573:
  
 
==ADD==
 
==ADD==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|ADD (TO [path]) [input]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|ADD (TO [path]) [input]}}
+
|<code><add>[input]</add></code><br/><code><add path='[path]'>[input]</add></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 503: Line 598:
  
 
==DELETE==
 
==DELETE==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|DELETE [path]}}
+
|width='100%'|{{Code|DELETE [path]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><delete path='[path]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 519: Line 617:
  
 
==RENAME==
 
==RENAME==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|RENAME [path] [newpath]}}
+
|width='100%'|{{Code|RENAME [path] [newpath]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><rename path='[path]' newpath='[newpath]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 540: Line 641:
  
 
==REPLACE==
 
==REPLACE==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|REPLACE [path] [input]}}
+
|width='100%'|{{Code|REPLACE [path] [input]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><replace path='[path]'>[input]</replace></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 561: Line 665:
  
 
==STORE==
 
==STORE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|STORE (TO [path]) [input]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|STORE (TO [path]) [input]}}
+
|<code><store>[input]</store></code><br/><code><store path='[path]'>[input]</store></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 577: Line 684:
  
 
==OPTIMIZE==
 
==OPTIMIZE==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|OPTIMIZE (ALL)}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|OPTIMIZE (ALL)}}
+
|<code><optimize/></code><br/><code><optimize-all/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 593: Line 703:
  
 
==FLUSH==
 
==FLUSH==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|FLUSH}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|FLUSH}}
+
|<code><flush/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 611: Line 724:
  
 
==SHOW DATABASES==
 
==SHOW DATABASES==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|SHOW DATABASES}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|SHOW DATABASES}}
+
|<code><show-databases/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 624: Line 740:
  
 
==SHOW SESSIONS==
 
==SHOW SESSIONS==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|SHOW SESSIONS}}
+
|width='100%'|{{Code|SHOW SESSIONS}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><show-sessions/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 637: Line 756:
  
 
==SHOW USERS==
 
==SHOW USERS==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|SHOW USERS (ON [database])}}
+
|width='100%'|{{Code|SHOW USERS (ON [database])}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><show-users/></code><br/><code><show-users database='[database]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 653: Line 775:
  
 
==KILL==
 
==KILL==
−
{|
+
{| width='100%'
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''Syntax'''
−
|{{Code|KILL [target]}}
+
|width='100%'|{{Code|KILL [target]}}
 +
|-
 +
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
 +
|<code><kill target='[target]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 669: Line 794:
  
 
==CREATE EVENT==
 
==CREATE EVENT==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|CREATE EVENT [NAME]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|CREATE EVENT [NAME]}}
+
|<code><create-event name='[name]'/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 685: Line 813:
  
 
==SHOW EVENTS==
 
==SHOW EVENTS==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|SHOW EVENTS}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|SHOW EVENTS}}
+
|<code><show-events/></code><br/>
 
|-
 
|-
 
| '''Permission'''
 
| '''Permission'''
Line 698: Line 829:
  
 
==DROP EVENT==
 
==DROP EVENT==
−
{|
+
{| width='100%'
 +
|-
 +
| '''Syntax'''
 +
|width='100%'|{{Code|DROP EVENT [NAME]}}
 
|-
 
|-
−
| width='90' | '''Signature'''
+
| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
−
|{{Code|DROP EVENT [NAME]}}
+
|<code><drop-event name='[name]'/></code><br/>
 
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==DROP USER==
 
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==GRANT==
 
==GRANT==
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|-
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| '''XML&nbsp;Syntax'''&nbsp;&nbsp;&nbsp;
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|<code><grant name='[name]' permission='none|read|write|create|admin'/></code><br/><code><grant name='[name]' database='[database]' permission='none|read|write|create|admin'/></code><br/>
 
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==PASSWORD==
 
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==GET==
 
==GET==
 
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==SET==
 
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==INFO==
 
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=Changelog=
 
=Changelog=
 +
 +
;Version 7.3
 +
 +
* Added: XML Syntax added
  
 
;Version 7.2.1
 
;Version 7.2.1

Revision as of 23:12, 7 June 2012

This article is part of the Getting Started Section. It lists all database commands supported by BaseX. Commands can e.g. be run from the Command Line, the Clients, REST, the input field in the GUI, and in numerous other ways. If the GUI is used, all commands that are triggered by the GUI itself will show up in the Info View. The Permission fields indicate which rights are required by a user to perform a command in the client/server architecture.

Conventions

Multiple commands can be separated by semicolons.

XML Syntax

Template:Mark

In addition to the string syntax, database commands can also be formulated in XML. All commands are surrounded by a <commands/> root element. The following XML script creates a database, adds two documents and performs a query: 

<commands>
  <create-db name='test'/>
  <add>input.xml</add>
  <add path='embedded.xml'><root>Embedded Document</root></add>
  <xquery>count(//text())</xquery>
</commands>

Glob Syntax

For some commands, the glob syntax can be used to address more than one database or user. Question marks and asterisks can be used to match one or more characters, and commas can be used to separate multiple patterns. Some examples:

  • AB? addresses all names with the characters AB and one more character.
  • *AB addresses all names ending with the characters AB.
  • X*,Y*,Z* addresses all names starting with the characters X, Y, or Z.

Valid Names

Both database and user names must follow the same naming constraints. Valid names may contain letters, numbers, underscores and dashes. Names must have at least one character; they also should not be longer than 128 characters, although this is not enforced. A regular expression matching valid names is [-_a-zA-Z0-9]{1,128}.

Aliases

In all commands, the DB keyword can be replaced by DATABASE.

Database Operations

CREATE DB

Syntax CREATE DB [name] ([input])
XML Syntax    <create-db name='[name]'/>
<create-db name='[name]'>[input]</create-db>
Permission CREATE
Summary Creates the database [name] with an optional [input].
The input may either be a reference to a single XML document, a directory, a remote URL, or a string containing XML. [name] must be a valid database name.
Errors The command fails if a database with the specified name is currently used by another process, if one of the documents to be added is not well-formed or if it cannot be parsed for some other reason.
Examples
  • CREATE DB input
    creates an empty database input.
  • CREATE DB xmark http://files.basex.org/xml/xmark.xml
    creates the database xmark, containing a single initial document called xmark.xml.
  • CREATE DB coll /path/to/input
    creates the database coll with all documents found in the input directory.
  • SET INTPARSE false; CREATE DB input input.xml
    creates a database input with input.xml as initial document, which will be parsed with Java's default XML parser.

OPEN

Syntax OPEN [path]
XML Syntax    <open path='[path]'/>
Permission READ
Summary Opens a database or some of its documents. [path] is the name of the database. If the name is further refined by a path, only some of the documents in the database will be opened.
Errors The command fails if the specified database does not exist, is currently being updated by another process, cannot be opened for some other reason.

CHECK

Syntax CHECK [input]
XML Syntax    <check input='[input]'/>
Permission READ/CREATE
Summary This command combines OPEN and CREATE DB: if a database with the name [input] exists, it is opened. Otherwise, it creates a new database and stores the specified input as initial content.
Errors The command fails if the addressed database could neither be opened nor created.

CLOSE

Syntax CLOSE
XML Syntax    <close/>
Permission READ
Summary Closes the currently opened database.
Errors The command fails if the database files could not be closed for some reason.

EXPORT

Syntax EXPORT [path]
XML Syntax    <export path='[path]'/>
Permission CREATE
Summary Exports all documents in the database to the specified [path], using the serializer options specified by the EXPORTER option.
Errors The command fails if no database is opened, if the target path points to a file or is invalid, if the serialization parameters are invalid, or if the documents cannot be serialized for some other reason.

CREATE INDEX

Template:Mark PATH removed as argument; path summary is now updated by OPTIMIZE command

Syntax CREATE INDEX [TEXT|ATTRIBUTE|FULLTEXT]
XML Syntax    attribute|fulltext'/>
Permission WRITE
Summary Creates the specified database index.
Errors The command fails if no database is opened, if the specified index is unknown, or if indexing fails for some other reason.

DROP INDEX

Template:Mark PATH removed as argument; path summary is now always available

Syntax DROP INDEX [TEXT|ATTRIBUTE|FULLTEXT]
XML Syntax    attribute|fulltext'/>
Permission WRITE
Summary Drops the specified database index.
Errors The command fails if no database is opened, if the specified index is unknown, or if it could not be deleted for some other reason.

Administration

ALTER DB

Syntax ALTER DB [name] [newname]
XML Syntax    <alter-db name='[name]' newname='[newname]'/>
Permission CREATE
Summary Renames the database specified by [name] to [newname]. [newname] must be a valid database name.
Errors The command fails if the target database already exists, if the source database does not exist or is currently locked, or if it could not be renamed for some other reason.
Examples
  • ALTER DB db tempdb
    renames the database db into tempdb.

DROP DB

Syntax DROP DB [name]
XML Syntax    <drop-db name='[name]'/>
Permission CREATE
Summary Drops the database with the specified [name]. The Glob Syntax can be used to address more than one database.
Errors The command fails if the specified database does not exist or is currently locked, or if the database could not be deleted for some other reason.

CREATE BACKUP

Syntax CREATE BACKUP [name]
XML Syntax    <create-backup name='[name]'/>
Permission CREATE
Summary Creates a zipped backup of the database specified by [name]. The backup file will be suffixed with the current timestamp and stored in the database directory. The Glob Syntax can be used to address more than one database.
Errors The command fails if the specified database does not exist, or if it could not be zipped for some other reason.
Examples
  • BACKUP db
    creates a zip archive of the database db (e.g. db-2011-04-01-12-27-28.zip) in the database directory.

RESTORE

Syntax RESTORE [name]
XML Syntax    <restore name='[name]'/>
Permission CREATE
Summary Restores a database with the specified [name]. The name may include the timestamp of the backup file.
Errors The command fails if the specified backup does not exist, if the database to be restored is currently locked, or if it could not be restored for some other reason.

DROP BACKUP

Syntax DROP BACKUP [name]
XML Syntax    <drop-backup name='[name]'/>
Permission CREATE
Summary Drops all backups of the database with the specified [name]. The Glob Syntax can be used to address more than one database.
Examples
  • DROP BACKUP abc*
    deletes the backups of all databases starting with the characters abc.

SHOW BACKUPS

Syntax SHOW BACKUPS
XML Syntax    <show-backups/>
Permission CREATE
Summary Shows all database backups.

COPY

Syntax COPY [name] [newname]
XML Syntax    <copy name='[name]' newname='[newname]'/>
Permission CREATE
Summary Creates a copy of the database specified by [name]. [newname] must be a valid database name.
Errors The command fails if the target database already exists, or if the source database does not exist.

INFO DB

Syntax INFO DB
XML Syntax    <info-db/>
Permission READ
Summary Shows information on the currently opened database.
Errors The command fails if no database is opened.

INFO INDEX

Syntax INFO INDEX ([TEXT|ATTRIBUTE|FULLTEXT|PATH])
XML Syntax    attname|path|text|attribute|fulltext'/>
Permission READ
Summary Shows information on the existing index structures. The output can be optionally limited to the specified index.
Errors The command fails if no database is opened, or if the specified index is unknown.

INFO STORAGE

Syntax INFO STORAGE [start end] | [query]
XML Syntax    <info-storage/>
<info-storage start='[start]' end='[end]'/>
<info-storage>[query]</info-storage>
Permission READ
Summary Shows the internal main table of the currently opened database. An integer range or a query may be specified as argument.
Errors The command fails if no database is opened, or if one of the specified arguments is invalid.

Querying

LIST

Syntax LIST ([path])
XML Syntax    <list/>
<list path='[path]'/>
Permission NONE
Summary Lists all available databases, or the documents in a database. [path] is the name of the database, optionally followed by a path to the requested documents.
Errors The command fails if the optional database cannot be opened, or if the existing databases cannot be listed for some other reason.

XQUERY

Syntax XQUERY [query]
XML Syntax    <xquery>[query]</xquery>
Permission depends on query
Summary Runs the specified [query] and prints the result.
Errors The command fails if the specified query is invalid.
Examples
  • XQUERY 1 to 10
    returns the sequence (1, 2, 3, 4, 5, 6, 7, 8, 9, 10).
  • SET RUNS 10; XQUERY 1 to 10
    runs the query 10 times, returns the result and prints the average execution time.
  • SET XMLPLAN true; XQUERY 1 to 10
    returns the result and prints the query plan as XML.

RETRIEVE

Syntax RETRIEVE [path]
XML Syntax    <retrieve path='[path]'/>
Permission READ
Summary Retrieves raw data from the specified database [path].
Errors The command fails if no database is opened, if the source path is invalid or if the data cannot not be retrieved for some other reason.

RUN

Syntax RUN [file]
XML Syntax    <run file='[file]'/>
Permission depends on query
Summary Runs the query contained in [file] and prints the result.
Errors The command fails if the specified file does not exist, or if the retrieved query is invalid.

FIND

Syntax FIND [keywords]
XML Syntax    <find>[keywords]</find>
Permission READ
Summary Builds and runs a query for the specified [keywords]. Keywords can be enclosed in quotes to look for phrases. The following modifiers can be used to further limit search:

= looks for exact text nodes
~ looks for approximate hits
@= looks for exact attribute values
@ looks for attributes

Errors The command fails if no database is opened.

CS

Syntax CS [query]
XML Syntax    <cs>[query]</cs>
Permission depends on query
Summary Evaluates the specified [query] and sets the result as new context set.
Errors The command fails if no database is opened, if the specified query is invalid or if it does not return nodes of the currently opened database.

REPO INSTALL

Syntax REPO INSTALL [path]
XML Syntax    <repo-install path='[path]'/>
Permission CREATE (Template:Mark: ADMIN)
Summary Installs the package with path [path].
Errors The command fails in the following cases:
  • The package to be installed is not a xar file.
  • The package to be installed does not exist or is already installed.
  • The package descriptor is with invalid syntax.
  • The package to be installed depends on a package which is not installed.
  • The package is not supported by the current version of BaseX.
  • A component of the package is already installed as part of another package.

REPO LIST

Syntax REPO LIST
XML Syntax    <repo-list/>
Permission READ (Template:Mark: ADMIN)
Summary Lists all installed packages.

REPO DELETE

Syntax REPO DELETE [name]
XML Syntax    <repo-delete name='[name]'/>
Permission CREATE (Template:Mark: ADMIN)
Summary Deletes the package with name [name], optionally followed by a version.
Errors The command fails if the package to be deleted participates in a dependency.

Updates

ADD

Syntax ADD (TO [path]) [input]
XML Syntax    <add>[input]</add>
<add path='[path]'>[input]</add>
Permission WRITE
Summary Adds the files, directory or XML string specified by [input] to the currently opened database at the specified [path].
[input] may either be a single XML document, a directory, a remote URL or a plain XML string. If the path denotes a directory, it needs to be suffixed with a slash (/).
Errors The command fails if no database is opened, if one of the documents to be added is not well-formed, or if it could not be parsed for some other reason.
Examples
  • ADD input.xml
    adds the file input.xml to the database.
  • ADD TO temp/one.xml input.xml
    adds input.xml to the database and moves it to temp/one.xml.
  • ADD TO target/ xmldir
    adds all files from the xmldir directory to the database in the target path.

DELETE

Syntax DELETE [path]
XML Syntax    <delete path='[path]'/>
Permission WRITE
Summary Deletes all documents from the currently opened database that start with the specified [path].
Errors The command fails if no database is opened.

RENAME

Syntax RENAME [path] [newpath]
XML Syntax    <rename path='[path]' newpath='[newpath]'/>
Permission WRITE
Summary Renames all document paths in the currently opened database that start with the specified [path]. The command may be used to either rename single documents or directories.
Errors The command fails if no database is opened, or if the target path is empty.
Examples
  • RENAME one.xml two.xml
    renames the document one.xml to two.xml.
  • RENAME / TOP
    moves all documents to a TOP root directory.

REPLACE

Syntax REPLACE [path] [input]
XML Syntax    <replace path='[path]'>[input]</replace>
Permission WRITE
Summary Replaces the documents in the currently opened database, addressed by [path], with the file or XML string specified by [input]. The original file name and path is preserved by the operation.
Errors The command fails if no database is opened, if the specified path points to a database directory, or if the input is not found.
Examples
  • REPLACE one.xml input.xml
    replaces the document one.xml with the contents of the file input.xml.
  • REPLACE top.xml <xml/>
    replaces the document top.xml with the document <xml/>.

STORE

Syntax STORE (TO [path]) [input]
XML Syntax    <store>[input]</store>
<store path='[path]'>[input]</store>
Permission WRITE
Summary Stores raw data to the specified [path]. [input] may either be a file reference, a remote URL, or a plain string. If the path denotes a directory, it needs to be suffixed with a slash (/).
Errors The command fails if no database is opened, if the specified resource is not found, if the target path is invalid or if the data cannot not be written for some other reason.

OPTIMIZE

Syntax OPTIMIZE (ALL)
XML Syntax    <optimize/>
<optimize-all/>
Permission WRITE
Summary Optimizes the index structures, meta data and statistics of the currently opened database. If the ALL flag is specified, the internal database structures are completely rebuilt; this often leads to a reduction of the total database size.
Errors The command fails if no database is opened, or if the currently opened database is a main-memory instance.

FLUSH

Syntax FLUSH
XML Syntax    <flush/>
Permission WRITE
Summary Explicitly flushes the buffers of the currently opened database to disk. This command is applied if the AUTOFLUSH option has been set to false.
Errors The command fails if no database is opened.

Server Administration

SHOW DATABASES

Syntax SHOW DATABASES
XML Syntax    <show-databases/>
Permission ADMIN
Summary Shows all databases that are opened in the current server instance.

SHOW SESSIONS

Syntax SHOW SESSIONS
XML Syntax    <show-sessions/>
Permission ADMIN
Summary Shows all sessions that are connected to the current server instance.

SHOW USERS

Syntax SHOW USERS (ON [database])
XML Syntax    <show-users/>
<show-users database='[database]'/>
Permission ADMIN
Summary Shows all users that are registered in the database. If a [database] is specified, local users are shown.
Errors The command fails if the optional database could not be opened.

KILL

Syntax KILL [target]
XML Syntax    <kill target='[target]'/>
Permission ADMIN
Summary Kills sessions of a user or an IP:port combination, specified by [target]. The Glob Syntax can be used to address more than one user.
Errors The command fails if a user tried to kill his/her own session.

CREATE EVENT

Syntax CREATE EVENT [NAME]
XML Syntax    <create-event name='[name]'/>
Permission ADMIN
Summary Creates the specified event.
Errors The command fails if event already exists.

SHOW EVENTS

Syntax SHOW EVENTS
XML Syntax    <show-events/>
Permission ADMIN
Summary Shows all events that have been registered in the database.

DROP EVENT

Syntax DROP EVENT [NAME]
XML Syntax    <drop-event name='[name]'/>
Permission ADMIN
Summary Drops the specified event.
Errors The command fails if the event doesn't exist.

User Management

CREATE USER

Syntax CREATE USER [name] ([password])
XML Syntax    <create-user name='[name]'/>
<create-user name='[name]' password='[password]'/>
Permission ADMIN
Summary Creates a user with the specified [name] and [password]. [name] must be a valid user name. The password must be a valid MD5 hash value. If no password is specified in the console mode, it is requested via standard input.
Errors The command fails if the specified user already exists, or if the password is no valid MD5 hash value.

ALTER USER

Syntax ALTER USER [name] ([password])
XML Syntax    <alter-user name='[name]'/>
<alter-user name='[name]' password='[password]'/>
Permission ADMIN
Summary Alters the [password] of the user specified by [name]. The password must be a valid MD5 hash value. If no password is specified in the console mode, it is requested via standard input.
Errors The command fails if the specified user does not exist, or if the password is no valid MD5 hash value.

DROP USER

Syntax DROP USER [name] (ON [database]):
XML Syntax    <drop-user name='[name]'/>
<drop-user name='[name]' database='[database]'/>
Permission ADMIN
Summary Drops the user with the specified [name]. If a [database] is specified, the user is only dropped locally. The Glob Syntax can be used to address more than one database or user.
Errors The command fails if admin is specified as user name, if the specified user does not exist or is logged in, or if the optional database could not be opened for modification.

GRANT

Syntax GRANT [NONE|READ|WRITE|CREATE|ADMIN] (ON [database]) TO [user]
XML Syntax    read|write|create|admin'/>
<grant name='[name]' database='[database]' permission='none|read|write|create|admin'/>
Permission ADMIN
Summary Grants the specified permission to the specified [user]. If a [database] is specified, the permissions are only granted locally. The Glob Syntax can be used to address more than one database or user.
Errors The command fails if admin is specified as user name, if the specified user does not exist, or if the optional database could not be opened for modification.
Examples
  • GRANT READ TO JoeWinson
    grants READ permission to the user JoeWinson.
  • GRANT WRITE ON Wiki TO editor*
    grants WRITE permissions on the Wiki database to all users starting with the characters editor*.

PASSWORD

Syntax PASSWORD ([password])
XML Syntax    <password/>
<password>[password]</password>
Permission NONE
Summary Changes the [password] of the current user. The password must be a valid MD5 hash value. If no password is specified in the console mode, it is requested via standard input.
Errors The command fails if the password is no valid MD5 hash value.

General Commands

GET

Template:Mark permission changed from READ to NONE

Syntax GET [option]
XML Syntax    <get option='[option]'/>
Permission NONE
Summary Returns the current value of the Option specified via [key].
Errors The command fails if the specified option is unknown.

SET

Template:Mark permission changed from READ to NONE

Syntax SET [option] ([value])
XML Syntax    <set option='[option]'/>
<set option='[option]'>[value]</set>
Permission NONE
Summary Sets the Option with the specified [key] to a new [value]. If no value is specified, and if the value is boolean, it will be inverted.
Errors The command fails if the specified option is unknown or if the specified value is invalid.

INFO

Syntax INFO
XML Syntax    <info/>
Permission READ
Summary Shows global information.

HELP

Syntax HELP ([command])
XML Syntax    <help/>
<help>[command]</help>
Permission NONE
Summary If [command] is specified, information on the specific command is printed; otherwise, all commands are listed.
Errors The command fails if the specified command is unknown.

EXIT

Syntax EXIT
XML Syntax    <exit/>
Permission NONE
Summary Exits the console mode.

Changelog

Version 7.3
  • Added: XML Syntax added
Version 7.2.1
  • Updated: permissions for GET and SET changed from READ to NONE
Version 7.2
Version 7.1
  • Updated: KILL (killing sessions by specifying IP:port)
Version 7.0
Retrieved from "http://docs.basex.org/index.php?title=Commands&oldid=7564"