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Virtuoso Functions Guide

Administration
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Virtuoso Java PL API
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Web & Internet
dav add & update fun...
dav lock manipulatio...
dav manipulation fun...
dav search functions
dav_exp
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serv_queue_top
urlrewrite_create_re...
user_key_load
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webdav users & group...
client_attr
connection_get
connection_id
connection_is_dirty
connection_set
connection_vars
connection_vars_set
dbname
ftp_get
ftp_ls
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get_certificate_info
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http_rewrite
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ses_connect
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ses_read_line
ses_write
tcpip_gethostbyaddr
tcpip_gethostbyname
vsp_calculate_digest
wsdl_import_udt
XML
XPATH & XQUERY

Functions Index

client_attr

returns a varchar containing the requested information from the connection
varchar client_attr (in attr varchar);
Parameters
attr – can by one of the following:
  • client_protocol - returns connection protocol (HTTP/1.0, HTTP/1.1, SQL -- SQL corresponds to ODBC, JDBC, .net, OLEDB).
  • client_ip - returns the IP where the invoking connection originates. 127.0.0.1 for unix domain socket or internal scheduled task, otherwise the ip of the http or sql client.
  • accepting_ip - returns the local listener through which the call came. If unix domain socket or internal scheduled operation, this is 127.0.0.1
  • client_application - returns the application name as sent by the driver. Empty string if unknown or internal.
  • client_ssl - returns one if SSL encrypted connection either for SQL or HTTPS. False if internal or unix domain socket.
  • client_certificate - If certificate based login, returns the certificate, null otherwise.
  • transaction_log - 0 if the transaction log is off (turned on/off by log_enable ()); 1 if on (default) .
Errors
SQLState Error Code Error Text
22005 SR401 Server address not known.
22005 SR402 Cannot allocate temp space. SSL error : xxx
22005 SR403 xxx is not valid client_attr option.