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Update docs for expression defaults (#19685) (#19896) #19897

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Merged
ti-chi-bot merged 2 commits into from
Jan 6, 2025
Merged

Update docs for expression defaults (#19685) (#19896) #19897

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5ba7dec
This is an automated cherry-pick of #19896
ti-chi-bot Jan 6, 2025
bde9160
Update data-type-default-values.md
hfxsd Jan 6, 2025
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2 changes: 1 addition & 1 deletion data-type-default-values.md
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Expand Up @@ -51,7 +51,7 @@ TiDB supports specifying the following expressions as default values in the `DEF
* [`NEXTVAL()`](/functions-and-operators/sequence-functions.md#nextval)
* [`RAND()`](/functions-and-operators/numeric-functions-and-operators.md)
* [`UUID()`](/functions-and-operators/miscellaneous-functions.md#uuid), [`UUID_TO_BIN()`](/functions-and-operators/miscellaneous-functions.md#uuid_to_bin)
* [`VEC_FROM_TEXT()`](/vector-search-functions-and-operators.md#vec_from_text)
* [`VEC_FROM_TEXT()`](/vector-search/vector-search-functions-and-operators.md#vec_from_text)

TiDB supports assigning default values to `BLOB`, `TEXT`, and `JSON` data types. However, you can only use expressions, not literals, to define default values for these data types. The following is an example of `BLOB`:

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