github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/docs/generated/sql/bnf/split_index_at.bnf (about)

     1  alter_split_index_stmt ::=
     2  	'ALTER' 'INDEX' table_name '@' index_name 'SPLIT' 'AT' select_stmt
     3  	| 'ALTER' 'INDEX' index_name 'SPLIT' 'AT' select_stmt
     4  	| 'ALTER' 'INDEX' table_name '@' index_name 'SPLIT' 'AT' select_stmt 'WITH' 'EXPIRATION' a_expr
     5  	| 'ALTER' 'INDEX' index_name 'SPLIT' 'AT' select_stmt 'WITH' 'EXPIRATION' a_expr