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DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT PRIMARY KEY,
b CHAR(8)
) ENGINE=rocksdb;
SHOW KEYS IN t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a A # NULL NULL LSMTREE
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b');
INSERT INTO t1 (a,b) VALUES (1,'c');
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
DROP TABLE t1;
CREATE TABLE t1 (a INT PRIMARY KEY,
b CHAR(8) PRIMARY KEY
) ENGINE=rocksdb;
ERROR 42000: Multiple primary key defined
CREATE TABLE t1 (a INT,
b CHAR(8),
PRIMARY KEY (a,b)
) ENGINE=rocksdb;
SHOW INDEX IN t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a A # NULL NULL LSMTREE
t1 0 PRIMARY 2 b A # NULL NULL LSMTREE
INSERT INTO t1 (a,b) VALUES (1,'a'),(1,'b'),(2,'a'),(2,'b');
INSERT INTO t1 (a,b) VALUES (1,'b');
ERROR 23000: Duplicate entry '1-b' for key 'PRIMARY'
DROP TABLE t1;
CREATE TABLE t1 (a INT KEY,
b CHAR(8),
KEY (b)
) ENGINE=rocksdb;
SHOW INDEX IN t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a A # NULL NULL LSMTREE
t1 1 b 1 b A # NULL NULL YES LSMTREE
DROP TABLE t1;
CREATE TABLE t1 (a INT,
b CHAR(8) PRIMARY KEY
) ENGINE=rocksdb;
SHOW INDEX IN t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 b A # NULL NULL LSMTREE
ALTER TABLE t1 ADD CONSTRAINT PRIMARY KEY pk (a);
ERROR 42000: Multiple primary key defined
SHOW KEYS IN t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 b A # NULL NULL LSMTREE
DROP TABLE t1;
set global rocksdb_large_prefix=0;
CREATE TABLE t1 (
a BLOB(1024),
PRIMARY KEY (a(767))
) ENGINE=rocksdb;
DROP TABLE t1;
CREATE TABLE t1 (
a BLOB(1024),
PRIMARY KEY (a(768))
) ENGINE=rocksdb;
ERROR 42000: Specified key was too long; max key length is 767 bytes
set global rocksdb_large_prefix=1;
CREATE TABLE t1 (
a BLOB(4096),
PRIMARY KEY (a(3072))
) ENGINE=rocksdb;
DROP TABLE t1;
CREATE TABLE t1 (
a BLOB(4096),
PRIMARY KEY (a(3073))
) ENGINE=rocksdb;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
set global rocksdb_large_prefix=DEFAULT;
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