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PostgreSQL Type Mapping
The following table shows the mapping between PostgreSQL (source) data types and MySQL data types.
| Source Type | MySQL Type | Comment |
|---|---|---|
| INT | INT | |
| SMALLINT | SMALLINT | |
| BIGINT | BIGINT | |
| SERIAL | INT | Sets AUTO_INCREMENT in its table definition. |
| SMALLSERIAL | SMALLINT | Sets AUTO_INCREMENT in its table definition. |
| BIGSERIAL | BIGINT | Sets AUTO_INCREMENT in its table definition. |
| BIT | BIT | |
| BOOLEAN | TINYINT(1) | |
| REAL | FLOAT | |
| DOUBLE PRECISION | DOUBLE | |
| NUMERIC | DECIMAL | |
| DECIMAL | DECIMAL | |
| MONEY | DECIMAL(19,2) | |
| CHAR |
CHAR LONGTEXT |
Depending on its length. MySQL Server 5.6 and higher can have CHAR columns with a length up to 255 characters. Anything larger is migrated as LONGTEXT. |
|
NATIONAL CHARACTER |
CHAR LONGTEXT |
Depending on its length. MySQL Server 5.6 and higher can have VARCHAR columns with a length up to 65535 characters. Anything larger is migrated to one of the TEXT blob types. In MySQL, a character set of strings depends on the column character set instead of the data type. |
| VARCHAR |
VARCHAR MEDIUMTEXT LONGTEXT |
Depending on its length. MySQL Server 5.6 and higher can have VARCHAR columns with a length up to 65535 characters. Anything larger is migrated to one of the TEXT blob types. |
|
NATIONAL CHARACTER VARYING |
VARCHAR MEDIUMTEXT LONGTEXT |
Depending on its length. MySQL Server 5.6 and higher can have VARCHAR columns with a length up to 65535 characters. Anything larger is migrated to one of the TEXT blob types. In MySQL, a character set of strings depends on the column character set instead of the data type. |
| DATE | DATE | |
| TIME | TIME | |
| TIMESTAMP | DATETIME | |
| INTERVAL | TIME | |
| BYTEA | LONGBLOB | |
| TEXT | LONGTEXT | |
| CIDR | VARCHAR(43) | |
| INET | VARCHAR(43) | |
| MACADDR | VARCHAR(17) | |
| UUID | VARCHAR(36) | |
| XML | LONGTEXT | |
| JSON | LONGTEXT | |
| TSVECTOR | LONGTEXT | |
| TSQUERY | LONGTEXT | |
| ARRAY | LONGTEXT | |
| POINT | POINT | |
| LINE | LINESTRING | Although LINE length is infinite, and LINESTRING is finite in MySQL, it is approximated. |
| LSEG | LINESTRING | A LSEG is like a LINESTRING with only two points. |
| BOX | POLYGON | A BOX is a POLYGON with five points and right angles. |
| PATH | LINESTRING | |
| POLYGON | POLYGON | |
| CIRCLE | POLYGON | A POLYGON is used to approximate a CIRCLE. |
| TXID_SNAPSHOT | VARCHAR |
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