tsearch2::trunc_to_max (private)

 tsearch2::trunc_to_max txt

Defined in packages/tsearch2-driver/tcl/tsearch2-driver-procs.tcl

tsearch has (at least up to PostgreSQL 10) the limitation that the length of tsvector is 1MB. so make sure, we do not raise errors, when this happens. https://www.postgresql.org/docs/current/static/textsearch-limitations.html

Parameters:

txt

Partial Call Graph (max 5 caller/called nodes):

Testcases:

No testcase defined.

Source code:

    set max_size_to_index [parameter::get  -package_id [apm_package_id_from_key tsearch2-driver]  -parameter max_size_to_index  -default 1048575]
    if {$max_size_to_index == 0} {
        set max_size_to_index 1048575
    }
    if {$max_size_to_index > 0 && [string length $txt] > $max_size_to_index} {
        ns_log notice "tsearch2: truncate overlong string to $max_size_to_index bytes"
        set txt [string range $txt 0 $max_size_to_index-1]
    }
    return $txt

XQL Not present:

Generic, Oracle

PostgreSQL XQL file:

packages/tsearch2-driver/tcl/tsearch2-driver-procs-postgresql.xql