public TablesInterface::isFieldCaseSensitive($field_name)
Determines whether the given field is case sensitive.
This information can only be provided after it was added with addField().
string $field_name: The name of the field.
bool|null TRUE if the field is case sensitive, FALSE if not. Returns NULL when the field did not define if it is case sensitive or not.
public function isFieldCaseSensitive($field_name);
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