clear
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## clear

### Function Details

    void clear(bool b_truncate=true)

Remove all elements of the vector, make it an empty vector.

This function supports auto-commit.

#### Parameters

##### b_truncate

Same as that of db_vector::assign() .

#### See Also

http://www.cplusplus.com/reference/stl/vector/clear.html

### Class

db_vector

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