sb::get_indexes (public)

 sb::get_indexes table_name [ html_anchors_p ] [ pki ]

Defined in packages/schema-browser/tcl/schema-browser-procs-postgresql.tcl

Create statements for indexes on table_name.

Parameters:
table_name (required)
html_anchors_p (optional, defaults to "f")
pki (optional)

Partial Call Graph (max 5 caller/called nodes):
%3 sb::get_table_description sb::get_table_description (public) sb::get_indexes sb::get_indexes sb::get_table_description->sb::get_indexes db_foreach db_foreach (public) sb::get_indexes->db_foreach db_list_of_lists db_list_of_lists (public) sb::get_indexes->db_list_of_lists

Testcases:
No testcase defined.
Source code:


    set return_string "\n"
    set prev_index ""

    set indexes [db_list_of_lists sb_get_indexes_select_1 {
        select
          relname as index_name,
          case when indisunique then ' UNIQUE' else NULL end as uniqueness,
          amname as index_type,
          indkey
        from
          pg_index i join (select oid from pg_class where relname = lower(:table_name)) c
            on (i.indrelid = c.oid)
          join pg_class index_class on (index_class.oid = i.indexrelid and not i.indisprimary)
          join pg_am a on (index_class.relam = a.oid)
        order by index_name}]

    if {$pki ne ""} {
        lappend indexes [list {PRIMARY KEY} { UNIQUE} {} $pki]
    }

    foreach index $indexes {
        lassign $index index_name uniqueness index_type indkey

        set index_clause "([join [split $indkey " "] ","])"

        append return_string "\nCREATE$uniqueness INDEX [string tolower $index_name] ON [string tolower $table_name] ("
        set sep ""

        # JCD: need to preserve the order of the index columns
        # since it matters a lot.

        db_foreach sb_get_indexes_select_2 "
            select
              a.attname as column_name, a.attnum
            from
              (select oid from pg_class where relname = lower(:table_name)) c
              join pg_attribute a on (c.oid = a.attrelid)
            where a.attnum in $index_clause
        " {
            set cname($attnum$column_name
        }


        foreach indid [split $indkey " "] {
            if {[info exists cname($indid)]} {
                append return_string $sep$cname($indid)
                set sep ", "
            }
        }
        append return_string ");"
        unset -nocomplain cname
    }

    return $return_string
XQL Not present:
Generic, PostgreSQL, Oracle
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