mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

quick doc cleanup for libpgtcl from D'Arcy

Browse Source
This commit is contained in:
Marc G. Fournier 1996-11-08 01:10:15 +00:00
parent 026387013e
commit d79bb2fd0e
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
doc/libpgtcl.doc
View File

@ -17,6 +17,7 @@ The pgtcl package provides the following commands.
pg_connect - opens a connection to the backend server pg_connect - opens a connection to the backend server
pg_disconnect - closes a connection pg_disconnect - closes a connection
pg_exec - send a query to the backend pg_exec - send a query to the backend
pg_select - loop over the result of a select statement
pg_result - manipulate the results of a query pg_result - manipulate the results of a query
pg_lo_creat - create a large object pg_lo_creat - create a large object
@ -54,7 +55,25 @@ The pgtcl package provides the following commands.
the return result is either an error message or a handle for a query the return result is either an error message or a handle for a query
result. Handles start with the prefix "pgp" result. Handles start with the prefix "pgp"
4) pg_result: get information about a query result 4) pg_select: loop over the result of a select statement
syntax:
pg_select connection query var proc
The query must be a select statement. Anything else returns an error.
The var variable is an array name used in the loop. It is filled
out with the result of the query for each tuple using the field
names as the associative indeces. Proc is the procedure that is
run for each tuple found.
example: (DB is set to database name)
set conn [pg_connect $DB]
pg_select $conn "SELECT * from table" array {
puts [format "%5d %s" array(control) array(name)]
}
pg_disconnect $conn
5) pg_result: get information about a query result
syntax: syntax:
pg_result result ?option? pg_result result ?option?