This section describes how to use the national character data types using the SQL embedded C preprocessor.
The following explains the C language variable types corresponding to the NCHAR type:
Specify the number of characters specified for the NCHAR type multiple by 4, plus 1 for the length of the host variable.
Data Type | Host variable type |
|---|---|
NATIONAL CHARACTER(n) | NCHAR variable name [nx4+1] |
NATIONAL CHARACTER VARYING(n) | NVARCHAR variable name [nx4+1] |
See
Refer to "Handling Character Strings" in "Client Interfaces" in the PostgreSQL documentation for information on using character string types.
