After setting the maximum length of a text field you cannot change it.

The request

1. Enable increasing the value;
2. When arrempting to decrease, warn the user for possible loss of data (but let her indeed make the change).

A temporary work around

1. In text.module look for the words "todo: If $has_data, add a validate handler that only allows max_length to increase" and comment the line following: '#disabled' => $has_data
2. In field_sql_storage.module look for function field_sql_storage_field_update_forbid and comment the whole condition.
See #3

CommentFileSizeAuthor
#22 after2.png141.39 KBNitinLama
#22 after1.png100.79 KBNitinLama
#22 before2.png142.16 KBNitinLama
#22 before1.png100.57 KBNitinLama
#20 interdiff_6_20.txt4.42 KBNitinLama
#20 increasing_max_length_textfield-1368450-20.patch4.42 KBNitinLama
#6 1368450-d7-enable_increasing_max_length_of_ a_text_field.patch2.63 KBPatchRanger
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Comments

IWasBornToWin’s picture

IWasBornToWin CreditAttribution: IWasBornToWin commented

I tried commenting out the condition for #2 so I can decrease some of my title text fields but it still keeps them locked and un-editable.

ianthomas_uk’s picture

ianthomas_uk
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Primary language English
Location Brighton, UK
CreditAttribution: ianthomas_uk commented
Version: 7.x-dev » 8.x-dev

This will need to be fixed on Drupal 8 before a patch would even be considered for Drupal 7. Relevant code is at http://drupalcode.org/project/drupal.git/blob?f=core/modules/text/text.m...

ianthomas_uk’s picture

ianthomas_uk
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Primary language English
Location Brighton, UK
CreditAttribution: ianthomas_uk commented

This is actually more complicated that the above implies, as tables are completely dropped and recreated if they don't have data. The above steps will disable the warning and tell you your field is larger, but won't actually change the underlying database tables. That needs to be done in the second half of field_sql_storage_field_storage_update_field.

ianthomas_uk’s picture

ianthomas_uk
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Primary language English
Location Brighton, UK
CreditAttribution: ianthomas_uk commented
Issue summary: View changes

typo

ianthomas_uk’s picture

ianthomas_uk
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Primary language English
Location Brighton, UK
CreditAttribution: ianthomas_uk commented
Issue summary: View changes

cross out temporary work around

ianthomas_uk’s picture

ianthomas_uk
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Primary language English
Location Brighton, UK
CreditAttribution: ianthomas_uk commented
Issue summary: View changes

Fix deleted text style

PatchRanger’s picture

PatchRanger CreditAttribution: PatchRanger as a volunteer commented

As temporary workaround for D7 could be Field maxlength alter module.

PatchRanger’s picture

PatchRanger CreditAttribution: PatchRanger as a volunteer commented
FileSize
1368450-d7-enable_increasing_max_length_of_ a_text_field.patch2.63 KB

It appears Field maxlength alter module is not enough: see #2008750: FieldUpdateForbiddenException.
I am aware of precedence (it must be fixed in Drupal 8 first), but it is crucial for me to get it fixed now in Drupal 7 - so here it is a patch for D7 that does what is intended: avoid update blocking if the only change is increasing length of the field. Not setting to "Needs review" as it is not D8 patch. I guess, someone could forward-port it to D8 in order to get it committed.

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gnuget’s picture

gnuget
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CreditAttribution: gnuget as a volunteer and at Agaric commented
Version: 8.4.x-dev » 8.5.x-dev

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drumm’s picture

drumm
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CreditAttribution: drumm at Drupal Association commented
Issue tags: +affects drupal.org

For documentation on Drupal.org, we have a summary field, which got a maximum length of 140 characters. This is not enough when translating content. Being able to increase the field size would be good to do.

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NitinLama CreditAttribution: NitinLama as a volunteer and at OpenSense Labs commented
Assigned: Unassigned » NitinLama
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NitinLama CreditAttribution: NitinLama as a volunteer and at OpenSense Labs commented
Assigned: NitinLama » Unassigned
Status: Active » Needs review
FileSize
increasing_max_length_textfield-1368450-20.patch4.42 KB
interdiff_6_20.txt4.42 KB

Can someone help with this error fix.

Status: Needs review » Needs work

The last submitted patch, 20: increasing_max_length_textfield-1368450-20.patch, failed testing. View results
- codesniffer_fixes.patch Interdiff of automated coding standards fixes only.

NitinLama’s picture

NitinLama CreditAttribution: NitinLama as a volunteer and at OpenSense Labs commented
FileSize
before1.png100.57 KB
before2.png142.16 KB
after1.png100.79 KB
after2.png141.39 KB

Attaching the ss

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