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Changes between Version 3 and Version 4 of TracTicketsCustomFields


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Timestamp:
Jul 17, 2018, 2:12:14 PM (6 years ago)
Author:
trac
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  • TracTicketsCustomFields

    v3 v4  
    1 = Custom Ticket Fields =
    2 Trac supports adding custom, user-defined fields to the ticket module. Using custom fields, you can add typed, site-specific properties to tickets.
     1= Custom Ticket Fields
     2Trac supports adding custom, user-defined fields to the ticket module. With custom fields you can add typed, site-specific properties to tickets.
    33
    4 == Configuration ==
     4== Configuration
     5
    56Configuring custom ticket fields is done in the [wiki:TracIni trac.ini] file. All field definitions should be under a section named `[ticket-custom]`.
    67
     
    1112 ...
    1213}}}
     14
    1315The example below should help to explain the syntax.
    1416
    15 === Available Field Types and Options ===
     17=== Available Field Types and Options
     18
    1619 * '''text''': A simple (one line) text field.
    1720   * label: Descriptive label.
    1821   * value: Default value.
    19    * order: Sort order placement. (Determines relative placement in forms with respect to other custom fields.)
     22   * order: Sort order placement; this determines relative placement in forms with respect to other custom fields.
    2023   * format: One of:
    2124     * `plain` for plain text
    22      * `wiki` to interpret the content as WikiFormatting (''since 0.11.3'')
     25     * `wiki` to interpret the content as WikiFormatting
    2326     * `reference` to treat the content as a queryable value (''since 1.0'')
    2427     * `list` to interpret the content as a list of queryable values, separated by whitespace (''since 1.0'')
    2528 * '''checkbox''': A boolean value check box.
    2629   * label: Descriptive label.
    27    * value: Default value (0 or 1).
     30   * value: Default value, 0 or 1.
    2831   * order: Sort order placement.
    2932 * '''select''': Drop-down select box. Uses a list of values.
     
    3538   * label: Descriptive label.
    3639   * options: List of values, separated by '''|''' (vertical pipe).
    37    * value: Default value (one of the values from options).
     40   * value: Default value, one of the values from options.
    3841   * order: Sort order placement.
    3942 * '''textarea''': Multi-line text area.
    4043   * label: Descriptive label.
    4144   * value: Default text.
    42    * cols: Width in columns.
     45   * cols: Width in columns. //(Removed in 1.1.2)//
    4346   * rows: Height in lines.
    4447   * order: Sort order placement.
    45    * format: Either `plain` for plain text or `wiki` to interpret the content as WikiFormatting. (''since 0.11.3'')
     48   * format: Either `plain` for plain text or `wiki` to interpret the content as WikiFormatting.
     49 * '''time''': Date and time picker. (''Since 1.1.1.'')
     50   * label: Descriptive label.
     51   * value: Default date.
     52   * order: Sort order placement.
     53   * format: One of:
     54     * `relative` for relative dates.
     55     * `date` for absolute dates.
     56     * `datetime` for absolute date and time values.
    4657
    47 === Sample Config ===
    48 {{{
     58If the `label` is not specified, it will be created by capitalizing the custom field name and replacing underscores with whitespaces.
     59
     60Macros will be expanded when rendering `textarea` fields with format `wiki`, but not when rendering `text` fields with format `wiki`.
     61
     62=== Sample Configuration
     63
     64{{{#!ini
    4965[ticket-custom]
    5066
     
    7692test_six.cols = 60
    7793test_six.rows = 30
     94
     95test_seven = time
     96test_seven.label = A relative date
     97test_seven.format = relative
     98test_seven.value = now
     99
     100test_eight = time
     101test_eight.label = An absolute date
     102test_eight.format = date
     103test_eight.value = yesterday
     104
     105test_nine = time
     106test_nine.label = A date and time
     107test_nine.format = datetime
     108test_nine.value = in 2 hours
    78109}}}
    79110
    80 ''Note: To make entering an option for a `select` type field optional, specify a leading `|` in the `fieldname.options` option.''
     111'''Note''': To make a `select` type field optional, specify a leading `|` in the `fieldname.options` option.
    81112
    82 === Reports Involving Custom Fields ===
     113=== Reports Involving Custom Fields
    83114
    84115Custom ticket fields are stored in the `ticket_custom` table, not in the `ticket` table. So to display the values from custom fields in a report, you will need a join on the 2 tables. Let's use an example with a custom ticket field called `progress`.
    85116
    86 {{{
    87 #!sql
     117{{{#!sql
    88118SELECT p.value AS __color__,
    89119   id AS ticket, summary, owner, c.value AS progress
     
    93123  ORDER BY p.value
    94124}}}
    95 '''Note''' that this will only show tickets that have progress set in them, which is '''not the same as showing all tickets'''. If you created this custom ticket field ''after'' you have already created some tickets, they will not have that field defined, and thus they will never show up on this ticket query. If you go back and modify those tickets, the field will be defined, and they will appear in the query. If that's all you want, you're set.
     125'''Note''': This will only show tickets that have progress set in them. This is '''not the same as showing all tickets'''. If you created this custom ticket field ''after'' you have already created some tickets, they will not have that field defined, and thus they will never show up on this ticket query. If you go back and modify those tickets, the field will be defined, and they will appear in the query.
    96126
    97 However, if you want to show all ticket entries (with progress defined and without), you need to use a `JOIN` for every custom field that is in the query.
    98 {{{
    99 #!sql
     127However, if you want to show all ticket entries (with progress defined and without), you need to use a `JOIN` for every custom field that is in the query:
     128{{{#!sql
    100129SELECT p.value AS __color__,
    101130   id AS ticket, summary, component, version, milestone, severity,
     
    104133   changetime AS _changetime, description AS _description,
    105134   reporter AS _reporter,
    106   (CASE WHEN c.value = '0' THEN 'None' ELSE c.value END) AS progress
     135   (CASE WHEN c.value = '0' THEN 'None' ELSE c.value END) AS progress
    107136  FROM ticket t
    108137     LEFT OUTER JOIN ticket_custom c ON (t.id = c.ticket AND c.name = 'progress')
     
    114143Note in particular the `LEFT OUTER JOIN` statement here.
    115144
    116 === Updating the database ===
     145Note that if your config file uses an '''uppercase''' name:
     146{{{#!ini
     147[ticket-custom]
    117148
    118 As noted above, any tickets created before a custom field has been defined will not have a value for that field. Here's a bit of SQL (tested with SQLite) that you can run directly on the Trac database to set an initial value for custom ticket fields. Inserts the default value of 'None' into a custom field called 'request_source' for all tickets that have no existing value:
    119 
    120 {{{
    121 #!sql
    122 INSERT INTO ticket_custom
    123    (ticket, name, value)
    124    SELECT
    125       id AS ticket,
    126       'request_source' AS name,
    127       'None' AS value
    128    FROM ticket
    129    WHERE id NOT IN (
    130       SELECT ticket FROM ticket_custom
    131    );
     149Progress_Type = text
    132150}}}
    133 
    134 If you added multiple custom fields at different points in time, you should be more specific in the subquery on table {{{ticket}}} by adding the exact custom field name to the query:
    135 
    136 {{{
    137 #!sql
    138 INSERT INTO ticket_custom
    139    (ticket, name, value)
    140    SELECT
    141       id AS ticket,
    142       'request_source' AS name,
    143       'None' AS value
    144    FROM ticket
    145    WHERE id NOT IN (
    146       SELECT ticket FROM ticket_custom WHERE name = 'request_source'
    147    );
    148 }}}
     151you would use '''lowercase''' in the SQL: `AND c.name = 'progress_type'`.
    149152
    150153----