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Adds documentation for the new portable stringAgg() method, covering per-driver translation and supported ordering.
# Conflicts: # docs/en/appendices/5-4-migration-guide.md
markstory
approved these changes
Apr 16, 2026
| `stringAgg()` | ||
| Aggregate string values using a separator. Translates to `STRING_AGG()`, | ||
| `GROUP_CONCAT()`, or `LISTAGG()` depending on the database driver. | ||
| `Assumes the first argument is a literal value.` |
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Why is this formatted as code? Wouldn't bold be more appropriate?
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All of them on this page already are like this.
I assume the rst to md conversion did that. We will have to go through all pages and check where this was messed up by the script then :)
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I told my virtual house slave to clean up. Looks about right.
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Well, as I thought: 5.x is also already affected, cleanup PR: #8283
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Summary
Documents the new portable
FunctionsBuilder::stringAgg()method added incakephp/cakephp#19386.
stringAgg()to the function list in the Query Builder pageSTRING_AGG/GROUP_CONCAT) and versionsupport for aggregate-local ordering