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INSERT

该语句用于向表中插入新行。

概要

InsertIntoStmt
INSERT TableOptimizerHints PriorityOpt IgnoreOptional IntoOpt TableName PartitionNameListOpt InsertValues OnDuplicateKeyUpdate
TableOptimizerHints
hintComment
PriorityOpt
LOW_PRIORITY HIGH_PRIORITY DELAYED
IgnoreOptional
IGNORE
IntoOpt
INTO
TableName
Identifier . Identifier
PartitionNameListOpt
PARTITION ( Identifier , )
InsertValues
( ColumnNameListOpt ) ValueSym ValuesList SelectStmt ( SelectStmt ) UnionStmt SelectStmt ) ValueSym ValuesList SelectStmt UnionStmt SET ColumnSetValue , ColumnSetValue
OnDuplicateKeyUpdate
ON DUPLICATE KEY UPDATE AssignmentList

示例

mysql> CREATE TABLE t1 (a INT);
Query OK, 0 rows affected (0.11 sec)

mysql> CREATE TABLE t2 LIKE t1;
Query OK, 0 rows affected (0.11 sec)

mysql> INSERT INTO t1 VALUES (1);
Query OK, 1 row affected (0.02 sec)

mysql> INSERT INTO t1 (a) VALUES (1);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO t2 SELECT * FROM t1;
Query OK, 2 rows affected (0.01 sec)
Records: 2  Duplicates: 0  Warnings: 0

mysql> SELECT * FROM t1;
+------+
| a    |
+------+
|    1 |
|    1 |
+------+
2 rows in set (0.00 sec)

mysql> SELECT * FROM t2;
+------+
| a    |
+------+
|    1 |
|    1 |
+------+
2 rows in set (0.00 sec)

mysql> INSERT INTO t2 VALUES (2),(3),(4);
Query OK, 3 rows affected (0.02 sec)
Records: 3  Duplicates: 0  Warnings: 0

mysql> SELECT * FROM t2;
+------+
| a    |
+------+
|    1 |
|    1 |
|    2 |
|    3 |
|    4 |
+------+
5 rows in set (0.00 sec)

MySQL 兼容性

TiDB 中的 INSERT 语句与 MySQL 完全兼容。如果你发现任何兼容性差异,请报告一个 bug。

相关链接