Gorm Support escaping double quotes in struct tags

Describe the feature

Support escaping double quotes in struct tags.

Motivation

I have the following object and want to do a PostgreSQL full text search index on the column Name:

type Object struct {
    Key uuid.UUID `gorm:"primaryKey;type:uuid;default:gen_random_uuid()"`
    Name string `gorm:"not null"`
}

In SQL this would be:

CREATE INDEX idx_Object_Name ON "Object" USING GIN (to_tsvector('english', "Name"));

To do this in a GORM struct tag, I need to be able to put to_tsvector('english', "Name") with double quotes as the expression parameter. However, this doesn't seem to be supported or at least documented.

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